obsec.us
Observed Jul 24, 2026, 03:42 UTC (4h 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 onCloudflare
Email bySendGrid
Secured byGoogle Trust Services
Registered withSquarespace Domains II LLC
Also usesGoogle Search Console
IPv6 · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat obsec.us actually stands on - every host below is a signed observation
obsec.us
A / AAAA
104.18.12.148104.18.13.1482606:4700::6812:c942606:4700::6812:d94
Cloudflareserves the site
NS
may.ns.cloudflare.comrajeev.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mx.sendgrid.net
SendGridreceives its email
TLS
obsec.us
Google Trust Servicesissued its certificate
DNS Records
A 2
104.18.12.148104.18.13.148
AAAA 2
2606:4700::6812:c942606:4700::6812:d94
MX 1
1mx.sendgrid.net
TXT 4
v=spf1 include:sendgrid.net include:in.dev.obsec.us ~allgoogle-site-verification=DM7uy5WV759TU9BkHrgNVTgbltiGx9ikQrptbAdP4hkgoogle-site-verification=yBmnGnPu3N-U6QawahJMeeyJ9xkEsF6U0MrZuonn1m4v=DMARC1; p=reject; rua=mailto:09bf552868b5421a816dac6ba4913ac3@dmarc-reports.cloudflare.net;
NS 2
may.ns.cloudflare.comrajeev.ns.cloudflare.com
SOA 1
may.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
obsec.us |
C=US, O=Google Trust Services, CN=WE1 | Mon, 07 Sep 2026 19:06:43 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +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_3525d3542edc53a3- Output Hash
1df7faefb90bb21da0ef20573adf313a3371e202db1e52d7295da484bcc1020d- Signature
ed25519:ec76016ce53de69c1cc11bfd80c0222e7e9425c896c1e7714853fb4518729b5663c8c9267ceef3291eabdacae723a97ad7acddd27190db6ceb48de020474fc09- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast