rru.ac.th
Observed Jul 27, 2026, 23:03 UTC (9h 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
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rru.ac.th actually stands on - every host below is a signed observation
rru.ac.th
A / AAAA
202.28.82.208
unattributedserves the site
NS
ns2.rru.ac.thns1.rru.ac.th
ac.thanswers its DNS
MX
alt1.aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comalt2.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
rru.ac.th
Let's Encryptissued its certificate
DNS Records
A 1
202.28.82.208
MX 5
20alt1.aspmx.l.google.com30aspmx2.googlemail.com30aspmx3.googlemail.com20alt2.aspmx.l.google.com10aspmx.l.google.com
TXT 6
v=spf1 include:_spf.google.com ~allMS=ms86000419google-site-verification=RSgo0c4gZUjmILOJrzezmW3ehH63JGCCh3TbnzFF7jAv=spf1 a mx:1413704259.mail.outlook.com ~allFoxit-domain-verification=148bfc7ce2d896afb623476fd0837360google-site-verification=Fj3xAIoK_-IH0J_G2PrYDF4CGAFc1Fp5XBwy9TAypjY
NS 2
ns2.rru.ac.thns1.rru.ac.th
SOA 1
dns01 hostmaster
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
rru.ac.th |
C=US, O=Let's Encrypt, CN=YR2 | Sat, 12 Sep 2026 14:34:40 +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 (2)
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_611255e3d10fd271- Output Hash
caab6a130fb796c28ea406ffa46b315e0aab53dc1db7631941806d786c345171- Signature
ed25519:a4493293736ff2befb2c2d9f8f42046c968d25924f4b788ad9e4048f0142728804d134140b27aff2632b5db99f263f9cb5325f6a3a72228b1904683986403e05- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast