CONTINUOUS INTERNET TELEMETRY24H DRIFT2,517 material changesacross 2,288 domains · -881 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.com · -11 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT5 domains switched issuing CA24h · -2 vs yesterdayNOW3,327 curated domains not answering-6,391 vs yesterdayERRORS10,916 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,517 material changesacross 2,288 domains · -881 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.com · -11 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT5 domains switched issuing CA24h · -2 vs yesterdayNOW3,327 curated domains not answering-6,391 vs yesterdayERRORS10,916 responded with an errorlast probe · 5xx / 404 / 429 / 403

offensive-security.com

Observed 2026-07-13T18:20:30.917Z (5h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byGoogle Workspace
Registered withGandi SAS
Also uses1PasswordAtlassianGoogle Search ConsoleHubSpot
9 subdomains · cybersecurity_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat offensive-security.com actually stands on - every host below is a signed observation
offensive-security.com
A / AAAA
192.124.249.5
Cloudflareserves the site
NS
ns-185-c.gandi.netns-34-a.gandi.netns-182-b.gandi.net
gandi.netanswers its DNS
MX
ALT1.ASPMX.L.GOOGLE.comALT3.ASPMX.L.GOOGLE.comALT4.ASPMX.L.GOOGLE.comASPMX.L.GOOGLE.com+1 more
Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.offsec.com/
HTTP status301
Servercloudflare
TLS protocolHTTP/3
TLS issuernot observed
Behind Cloudflareyes
Response time48 ms
DNS resolutionNOERROR
Redirect chain
https://www.offsec.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

  • 192.124.249.5

MX 5

  • 5ALT1.ASPMX.L.GOOGLE.com
  • 10ALT3.ASPMX.L.GOOGLE.com
  • 10ALT4.ASPMX.L.GOOGLE.com
  • 1ASPMX.L.GOOGLE.com
  • 5ALT2.ASPMX.L.GOOGLE.com

TXT 10

  • 00D1U000000pjoo=1TBQo0000000BzZ
  • 1password-site-verification=7U77TBNLUVEUJAB6NNRME527QI
  • have-i-been-pwned-verification=60f09bd2651deea7ae81a0920f4b750d
  • Mosyle-verification-1733523063
  • atlassian-domain-verification=ApdEbmai7KmHo/WS12XIcDtaZrNg28MJ6rN4S7dFbPBqKZd7mpjOQbcCkfa/txm3
  • google-site-verification=fMiXc31iHNFO0TAdZ4C_S3Aa1ygs-9_g0wbpzPfkF1c
  • apple-domain-verification=vqNzKqtyTbMzlRkf
  • v=spf1 ip4:54.84.169.62 ip4:192.99.122.209 include:sendgrid.net include:_spf.salesforce.com include:_spf.google.com include:_external_spf.offsec.com include:5852453.spf02.hubspotemail.net -all
  • v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:cu3rgqiu@ag.dmarcian.com; ruf=mailto:cu3rgqiu@fr.dmarcian.com; fo=1; adkim=s; aspf=r;
  • v=DKIM1; (detected)

NS 3

  • ns-185-c.gandi.net
  • ns-34-a.gandi.net
  • ns-182-b.gandi.net

SOA 1

  • ns1.gandi.net hostmaster.gandi.net

CAA 7

  • issue letsencrypt.org
  • issue digicert.com
  • issuewild sectigo.com
  • issue sectigo.com
  • issuewild letsencrypt.org
  • issue starfieldtech.com
  • issue godaddy.com

TLS Certificates (0)

None.

Subdomains (9)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for offensive-security.com. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for offensive-security.com <a href="https://domaindrift.io/t/offensive-security.com"> <img src="https://domaindrift.io/badge/offensive-security.com.svg" width="300" height="64" alt="DomainDrift signed observations for offensive-security.com"> </a>

Ed25519 Receipt

Receipt ID
81602422-67e6-4655-92ba-81d6d8aa593b
Output Hash
a4a742451972172d1231efbb587f1dea97c19645fc3f17a8889864ec72d7b13a
Signature
ed25519:2ccb5c5158c19cfa6dcdcaaedfeda2fe59e4858c4dd25fbeace347632b82f82dfe50bacaf28f1afe2a3c9cc10524a4799e25675c296f0ee0a60221f441131503
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser