securityheaders.io homepage screenshot

securityheaders.io website report

Just a moment...

Securityheaders was registered 11 years 8 months ago, is ranked #584,853 worldwide (top 18%), has an estimated value of $2,603. It may earn around $308 per month from advertising.

Technology & Computing Catalan; Valencian Cloudflare

Last updated

Estimated worth
$2,603
Automated valuation
Global rank
#584,853
Improving
Monthly visitors
3,227
161K page views
Domain age
11 years 8 months
Since Feb 1, 2015
Hosted in
United States
CloudFlare
Security headers
69/100
Response 0.19 s

Key facts about securityheaders.io

Domain
securityheaders.io
Website name
Just a moment...
Category
Technology & Computing
Estimated worth
$2,603
Global rank
#584,853 (top 18% of 3.3M ranked sites)
Monthly visitors (est.)
3,227 · 161K page views
Registered
February 1, 2015 (11 years 8 months ago)
Expires
February 1, 2027
Registrar
Cloudflare, Inc
Server location
United States
Network
CloudFlare AS13335
CDN
Cloudflare
Email provider
Fastmail
Language
Catalan; Valencian
Data updated

Estimated traffic & revenue

Page viewsVisitorsAd revenue
Daily5,378108$10
Monthly161,3513,227$308
Yearly1,936,21238,724$3,696

Modelled from the global rank — not measured analytics. Use them to compare sites, not as exact figures.

Global rank history

#585K #19.1M #37.6M 2026-06: #37,642,016 Jun 26 2026-07: #584,853 Jul 26
Monthly values
MonthGlobal rank
2026-06#37,642,016
2026-07#584,853

Source: Rankeez (Tranco, Majestic, DomCop, Cisco Umbrella).

How we estimate securityheaders.io's value

$2,603

The estimate is the higher of two independent approaches, both computed automatically from public data.

  • Traffic value: $2,603Driven by the global rank #584,853 (≈161K page views / month) plus a capped age bonus.
  • Activity value: $883Domain age plus observable signs of an active, professionally run website.

Activity signals found

Domain age (11 years 8 months)$201
Active website with metadata+$150
Professional email (Fastmail)+$150
Email authentication (SPF)+$50
CDN / performance layer (Cloudflare)+$100
Security headers (69/100)+$207
IPv6 enabled+$25

Revenue, sales or private analytics are not public and are not included. This is not an appraisal or a sale price.

On-page SEO

TitleJust a moment...
16 chars
Meta descriptionMissing
Meta keywordsNone
LanguageCatalan; Valencian
Response time0.19 s Fast

Homepage structure

The homepage content is rendered with JavaScript, so no headings, paragraphs or links were found in the server HTML. Search engines that do not run JavaScript see an almost empty page.

Technology & infrastructure

CDN / proxyCloudflare
Web servercloudflare
Platform / languageNot disclosed
DNS providerCloudflare
Email providerFastmail
SPF recordv=spf1 include:spf.messagingengine.com -all
IPv6 (AAAA) Yes
CAA record Yes

Services verified in DNS

Google Search Console

Detected from TXT verification and SPF records published by the domain owner.

Domain name

Extension.io — the country code of the British Indian Ocean Territory, widely used by tech start-ups
Name length15 characters Long
Hyphens / digitsNo hyphen · no digits

Security headers

69
5 passed · 1 to improve · 2 missing
Collected with an older method; a fresh check is running and will appear on your next visit.
  • HTTPSThe homepage is not served over HTTPS.
  • Strict-Transport-Security (HSTS)Not set: browsers may still try plain HTTP first.
  • Content-Security-PolicyPresent but allows 'unsafe-eval', which weakens XSS protection.
  • Clickjacking protectionX-Frame-Options: SAMEORIGIN prevents the site from being framed by others.
  • X-Content-Type-Optionsnosniff: browsers will not guess content types.
  • Referrer-Policysame-origin
  • Permissions-PolicyRestricts powerful browser features (camera, microphone, geolocation…).
  • Software version disclosureNo software version numbers disclosed in headers.
Raw HTTP response headers
HTTP/2 403 
date: Fri, 17 Jul 2026 16:56:54 GMT
content-type: text/html; charset=UTF-8
content-length: 5602
accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cf-mitigated: challenge
content-security-policy: default-src 'none'; script-src 'nonce-DNCFiLf4W5KPMI7jau6CN5' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
server: cloudflare
critical-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: same-origin
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*
referrer-policy: same-origin
server-timing: chlray;desc="a1cac85f0d667853"
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
cf-ray: a1cac85f0d667853-CDG

Hosting

IP address104.21.21.50
Location United States
Network (ISP)CloudFlare
Autonomous systemAS13335 CloudFlare, Inc.
Server softwarecloudflare

Nameservers

HostIPCountry
karl.ns.cloudflare.com172.64.33.190 United States
adrian.ns.cloudflare.com173.245.58.57 United States

Domain registration (WHOIS)

RegistrarCloudflare, Inc
CreatedFebruary 1, 2015 11 years 8 months ago
UpdatedJanuary 7, 2026
ExpiresFebruary 1, 2027 in 96 days
StatusclientTransferProhibited
Raw WHOIS record
Domain Name: securityheaders.io
Registry Domain ID: REDACTED
Registrar WHOIS Server: http://whois.cloudflare.com
Registrar URL: http://cloudflare.com
Updated Date: 2026-01-07T04:07:06Z
Creation Date: 2015-02-01T01:57:14Z
Registry Expiry Date: 2027-02-01T01:57:14Z
Registrar: Cloudflare, Inc
Registrar IANA ID: 1910
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.4153195717
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED
Registrant Name: REDACTED
Registrant Organization: Probe.ly, SA
Registrant Street: REDACTED
Registrant City: REDACTED
Registrant State/Province: Porto
Registrant Postal Code: REDACTED
Registrant Country: PT
Registrant Phone: REDACTED
Registrant Phone Ext: REDACTED
Registrant Fax: REDACTED
Registrant Fax Ext: REDACTED
Registrant Email: REDACTED
Registry Admin ID: REDACTED
Admin Name: REDACTED
Admin Organization: REDACTED
Admin Street: REDACTED
Admin City: REDACTED
Admin State/Province: REDACTED
Admin Postal Code: REDACTED
Admin Country: REDACTED
Admin Phone: REDACTED
Admin Phone Ext: REDACTED
Admin Fax: REDACTED
Admin Fax Ext: REDACTED
Admin Email: REDACTED
Registry Tech ID: REDACTED
Tech Name: REDACTED
Tech Organization: REDACTED
Tech Street: REDACTED
Tech City: REDACTED
Tech State/Province: REDACTED
Tech Postal Code: REDACTED
Tech Country: REDACTED
Tech Phone: REDACTED
Tech Phone Ext: REDACTED
Tech Fax: REDACTED
Tech Fax Ext: REDACTED
Tech Email: REDACTED
Name Server: karl.ns.cloudflare.com
Name Server: adrian.ns.cloudflare.com
DNSSEC: signedDelegation
URL of the ICANN Whois Inaccuracy Complaint Form: https://icann.org/wicf/
>>> Last update of WHOIS database: 2026-07-17T16:56:53Z <<<

For more information on Whois status codes, please visit https://icann.org/epp

Terms of Use: Access to WHOIS information is provided to assist persons in determining the contents of a domain name registration record in the registry database. The data in this record is provided by Identity Digital or the Registry Operator for informational purposes only, and accuracy is not guaranteed. This service is intended only for query-based access. You agree that you will use this data only for lawful purposes and that, under no circumstances will you use this data to (a) allow, enable, or otherwise support the transmission by e-mail, telephone, or facsimile of mass unsolicited, commercial advertising or solicitations to entities other than the data recipient's own existing customers; or (b) enable high volume, automated, electronic processes that send queries or data to the systems of Registry Operator, a Registrar, or Identity Digital except as reasonably necessary to register domain names or modify existing registrations. When using the Whois service, please consider the following: The Whois service is not a replacement for standard EPP commands to the SRS service. Whois is not considered authoritative for registered domain objects. The Whois service may be scheduled for downtime during production or OT&E maintenance periods. Queries to the Whois services are throttled. If too many queries are received from a single IP address within a specified time, the service will begin to reject further queries for a period of time to prevent disruption of Whois service access. Abuse of the Whois system through data mining is mitigated by detecting and limiting bulk query access from single sources. Where applicable, the presence of a [Non-Public Data] tag indicates that such data is not made publicly available due to applicable data privacy laws or requirements. Should you wish to contact the registrant, please refer to the Whois records available through the registrar URL listed above. Access to non-public data may be provided, upon request, where it can be re
asonably confirmed that the requester holds a specific legitimate interest and a proper legal basis for accessing the withheld data. Access to this data provided by Identity Digital can be requested by submitting a request via the form found at https://www.identity.digital/about/policies/whois-layered-access/. The Registrar of Record identified in this output may have an RDDS service that can be queried for additional information on how to contact the Registrant, Admin, or Tech contact of the queried domain name. Identity Digital Inc. and Registry Operator reserve the right to modify these terms at any time. By submitting this query, you agree to abide by this policy.

DNS records

TypeHostValueTTL
Asecurityheaders.ioip: 104.21.21.50298
Asecurityheaders.ioip: 172.67.196.107298
NSsecurityheaders.iotarget: adrian.ns.cloudflare.com86398
NSsecurityheaders.iotarget: karl.ns.cloudflare.com86398
SOAsecurityheaders.iomname: adrian.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2408981976
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800
1800
MXsecurityheaders.iopri: 20
target: in2-smtp.messagingengine.com
300
MXsecurityheaders.iopri: 10
target: in1-smtp.messagingengine.com
300
TXTsecurityheaders.iotxt: v=spf1 include:spf.messagingengine.com -all300
TXTsecurityheaders.iotxt: keybase-site-verification=36kRxygqDNby_83957VhO1OKAkrU-JQeY1apzZL3HTE300
TXTsecurityheaders.iotxt: google-site-verification=Ope15tGgC-fqidRzJOi3pJfLYAUjg-fC1BzWgKHciJY300
TXTsecurityheaders.iotxt: blitz=mu-d15e2e49-bd72d4fd-b5efada7-c5904cb1300
AAAAsecurityheaders.ioipv6: 2606:4700:3033::6815:1532298
Show all 24 records
AAAAsecurityheaders.ioipv6: 2606:4700:3036::ac43:c46b298
CAAsecurityheaders.ioflags: 0
tag: issuewild
value: comodoca.com
300
CAAsecurityheaders.ioflags: 0
tag: issuewild
value: ssl.com
300
CAAsecurityheaders.ioflags: 0
tag: issuewild
value: pki.goog; cansignhttpexchanges=yes
300
CAAsecurityheaders.ioflags: 0
tag: issue
value: ;
300
CAAsecurityheaders.ioflags: 0
tag: issue
value: ssl.com
300
CAAsecurityheaders.ioflags: 0
tag: issuewild
value: digicert.com; cansignhttpexchanges=yes
300
CAAsecurityheaders.ioflags: 0
tag: issuewild
value: letsencrypt.org
300
CAAsecurityheaders.ioflags: 0
tag: issue
value: pki.goog; cansignhttpexchanges=yes
300
CAAsecurityheaders.ioflags: 0
tag: issue
value: digicert.com; cansignhttpexchanges=yes
300
CAAsecurityheaders.ioflags: 0
tag: issue
value: comodoca.com
300
CAAsecurityheaders.ioflags: 0
tag: issue
value: letsencrypt.org
300

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Questions about securityheaders.io

When was securityheaders.io registered?

Securityheaders.io was registered on February 1, 2015, making it 11 years 8 months old.

Who is the domain registrar for securityheaders.io?

Securityheaders.io is registered through Cloudflare, Inc.

Where is securityheaders.io hosted?

Securityheaders.io's server (IP 104.21.21.50) is located in United States.

How much is securityheaders.io worth?

We estimate securityheaders.io is worth $2,603. This is an automated estimate based on the site's global traffic rank, domain age and observable activity signals (professional email, business services, security, CDN) — not a professional appraisal or a real sale price.

How much traffic does securityheaders.io get?

Based on its rank, securityheaders.io receives roughly 3,227 unique visitors and 161K page views per month. These figures are modelled from the rank, not measured.

What is securityheaders.io's global rank?

Securityheaders.io has an estimated global rank of 584,853, sourced from Rankeez.com, which aggregates the Tranco, Majestic, DomCop and Cisco Umbrella rankings. Its rank has improved over the tracked period. This is an independent estimate, not affiliated with Amazon Alexa, which discontinued its own ranking service in 2022.

Who hosts securityheaders.io?

Securityheaders.io resolves to 104.21.21.50, on the network of CloudFlare (AS13335), and is served through Cloudflare. Its DNS is managed by Cloudflare.

What email provider does securityheaders.io use?

According to its MX records, securityheaders.io receives email with Fastmail. It publishes an SPF record to authenticate its outgoing mail.

When does securityheaders.io expire?

The domain registration of securityheaders.io is valid until February 1, 2027 (in 96 days), at Cloudflare, Inc. Owners usually renew before that date.

What websites are similar to securityheaders.io?

Popular websites in the same category as securityheaders.io include justbreatheyogastudio.com, rileysfarm.com, 3mv.ru, 1shortlink.com, 123movie.cc.

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securityheaders.io on StatMemory

Shows your live global rank. To cite this report: “StatMemory, securityheaders.io website report, https://statmemory.com/securityheaders.io”.

StatMemory is not affiliated with securityheaders.io. This report shows publicly available data (DNS, WHOIS, HTTP headers, public top-site lists) and automated estimates for information purposes.