guardrails.io
Observed Jul 24, 2026, 02:47 UTC (2m ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.
Up right now
Runs onAmazon
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesAtlassianGoogle Search ConsoleStripe
cybersecurity_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat guardrails.io actually stands on - every host below is a signed observation
guardrails.io
A / AAAA
76.76.21.21
Amazonserves the site
NS
dean.ns.cloudflare.comlinda.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
guardrails.io
Let's Encryptissued its certificate
DNS Records
A 1
76.76.21.21
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 8
MS=28E68EAB0EF5818B656091A5979821350465133Datlassian-domain-verification=BOiHlMEpXxgcJwKXhbjhuJHlPxxi32yOD1ueNMKDKPgImDBp9RNskeqrxpkFq7Isgoogle-site-verification=HTPoHabKEyxHjeOoX9W7637P3kteEN8Dt2M2PDQRC54google-site-verification=qkm0P93hGhz8Rqgb-oFe78WlbrAvbXwik9U3xiAHes8google-site-verification=sQjV1rQMXM3vEn1bpgZ8pgx_TUGq9Q6lNUXv6zbP6U8stripe-verification=2287d15cd706830c39fc7c2ede69bb9a44d0320e88d408059b5547f0a6ee1db7v=spf1 include:zcsend.net include:transmail.net include:_spf.google.com ~allv=DMARC1; p=none; rua=mailto:security@guardrails.io
NS 2
dean.ns.cloudflare.comlinda.ns.cloudflare.com
SOA 1
dean.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
guardrails.io |
C=US, O=Let's Encrypt, CN=YR2 | Mon, 14 Sep 2026 06:53:08 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (0)
None observed.
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
rcpt_addd416564986752- Output Hash
4d76e260030b27c88a234b60885bf06d5d4978091d77b96d39aa24f1f95d55e3- Signature
ed25519:1d6ed3229e5313d5d134c92217ab6f8f291fa06f4beed66920c173591cb60994f795eb7161567919899d5ae86c60b004a60bffd0294e25e3a369f7153cf09a09- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast