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.com10ALT3.ASPMX.L.GOOGLE.com10ALT4.ASPMX.L.GOOGLE.com1ASPMX.L.GOOGLE.com5ALT2.ASPMX.L.GOOGLE.com
TXT 10
00D1U000000pjoo=1TBQo0000000BzZ1password-site-verification=7U77TBNLUVEUJAB6NNRME527QIhave-i-been-pwned-verification=60f09bd2651deea7ae81a0920f4b750dMosyle-verification-1733523063atlassian-domain-verification=ApdEbmai7KmHo/WS12XIcDtaZrNg28MJ6rN4S7dFbPBqKZd7mpjOQbcCkfa/txm3google-site-verification=fMiXc31iHNFO0TAdZ4C_S3Aa1ygs-9_g0wbpzPfkF1capple-domain-verification=vqNzKqtyTbMzlRkfv=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 -allv=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.netns-34-a.gandi.netns-182-b.gandi.net
SOA 1
ns1.gandi.net hostmaster.gandi.net
CAA 7
issue letsencrypt.orgissue digicert.comissuewild sectigo.comissue sectigo.comissuewild letsencrypt.orgissue starfieldtech.comissue 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 receiptEd25519 Receipt
- Receipt ID
81602422-67e6-4655-92ba-81d6d8aa593b- Output Hash
a4a742451972172d1231efbb587f1dea97c19645fc3f17a8889864ec72d7b13a- Signature
ed25519:2ccb5c5158c19cfa6dcdcaaedfeda2fe59e4858c4dd25fbeace347632b82f82dfe50bacaf28f1afe2a3c9cc10524a4799e25675c296f0ee0a60221f441131503- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast