Domain

heade.rs

Hosted by Cloudflare in the United States. Only the country is known, which is common for anycast and CDN addresses.

Location

United States

United States

Country level only

Network Every network on the internet has an autonomous system number (ASN). This is the one that announces this address.

AS13335

Cloudflare

Cloudflare, Inc.

BGP prefix The block of addresses this IP is announced in to the rest of the internet. RPKI valid means the block's owner signed off on the network announcing it.

RPKI valid

104.21.80.0/20

Seen by 3,397 peers

Latency Round trip for an HTTPS request from your browser to the site and back, including the server's reply time.

— ms

Measuring from your browser…

Route

From Columbus on Anthropic, PBC

There's no location for this address, so it can't be drawn on a map.

Tracing the route from a probe near you…

    Details

    Network

    IPv4
    104.21.81.98
    ASNThe autonomous system number of the network that announces this address.
    AS13335
    Operator
    Cloudflare, Inc.
    PrefixThe block of addresses announced over BGP that contains this address.
    104.21.80.0/20
    RPKIWhether a signed record (ROA) authorizes this network to announce this prefix.
    Valid
    VisibilityHow many bgp.tools peers carry this announcement.
    3,397 peers
    Type
    Content
    Registry
    ARIN

    Location

    Country level
    Country
    United StatesUnited States
    Continent
    North America

    Registration

    WHOIS
    Registrar
    Webglobe d.o.o.
    Registered
    Sep 25, 2026today
    Expires
    Sep 25, 2027in 11 months
    Updated
    Sep 25, 2026
    StatusRegistry flags on the domain, such as locks that stop unauthorized transfers or changes.
    ActiveclientUpdateProhibitedpendingUpdate
    DNSSECDNSSEC signs DNS answers so they can't be forged on the way to you.
    Unsigned
    Name servers
    andy.ns.cloudflare.comsue.ns.cloudflare.com
    Registrant
    Individual

    DNS records

    11 records · name servers at Cloudflare

    TypeNameValueTTL
    Aheade.rs104.21.81.985 min
    Aheade.rs172.67.189.175 min
    AAAAheade.rs2606:4700:3034::ac43:bd115 min
    AAAAheade.rs2606:4700:3031::6815:51625 min
    NSheade.rsandy.ns.cloudflare.com1 day
    NSheade.rssue.ns.cloudflare.com1 day
    MXheade.rs100 route2.mx.cloudflare.net5 min
    MXheade.rs3 route3.mx.cloudflare.net5 min
    MXheade.rs66 route1.mx.cloudflare.net5 min
    TXTheade.rs"v=spf1 include:_spf.mx.cloudflare.net ~all"5 min
    HTTPSheade.rs1 . alpn=h3,h2 ipv4hint=104.21.81.98,172.67.189.17 ech=AEX+DQBBZAAgACD7U6Bp3UF9yPEB9CBJVUlN9PH88Ux2OvS0YciffWyPQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5162,2606:4700:3034::ac43:bd115 min

    HTTPS

    https://heade.rs/

    Certificate

    Valid
    Issuer
    Google Trust Services
    Issuing CA
    WE1
    Covers
    *.www.heade.rs, heade.rs, www.heade.rs
    Issued
    Sep 25, 2026
    Expires
    Dec 24, 2026 · in 2 months
    Lifetime
    90 days
    Also validOther unexpired certificates for this name, found in Certificate Transparency logs.
    4 more certificates

    From Certificate Transparency logs, via Cert Spotter.

    Response headers

    200 OK481 ms from CMH
    HTTP → HTTPSWhether the plain http:// address redirects visitors to the secure one.
    Doesn't redirect
    HTTP/3Advertised through the alt-svc header; browsers switch to it on later requests.
    Not advertised
    cache-control
    public, max-age=0, must-revalidate
    cf-cache-status
    HIT
    cf-ray
    a40d18ca19ef224d-CMH
    connection
    close
    content-type
    text/html
    date
    Fri, 25 Sep 2026 21:24:37 GMT
    nel
    {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
    permissions-policy
    camera=(), microphone=(), geolocation=(), browsing-topics=()
    referrer-policy
    strict-origin-when-cross-origin
    report-to
    {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=Zzmu9HcKi88oq7Q%2BnDu7XorO9mQKdHtL9Y0s0IddZTFmVU1C33qz7xoMdic%2BXMOQ1IPBBYZEf2xFHdz0Nw%2FfeUgVIDsucfiAqPVz6kT4viDQ%2FAQIKgoLGbbKg6MoE%2BkMiaA%2Fk44ohA%3D%3D"}]}
    server
    cloudflare
    strict-transport-security
    max-age=63072000; includeSubDomains
    transfer-encoding
    chunked
    x-content-type-options
    nosniff
    x-frame-options
    DENY
    Security headers 5 of 6
    • HSTSpresent
    • CSPmissing
    • No sniffingpresent
    • Framingpresent
    • Referrerpresent
    • Permissionspresent