utexas.edu
Observed Jul 18, 2026, 12:06 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onFastly
Secured byLet's Encrypt
Also usesDocuSign
IPv6 · 1 subdomain · education_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat utexas.edu actually stands on - every host below is a signed observation
utexas.edu
A / AAAA
23.185.0.42620:12a:8000::42620:12a:8001::4
Fastlyserves the site
NS
marianas.its.utexas.eduglass.its.utexas.educhisos.ots.utexas.edu
utexas.eduanswers its DNS
MX
inbound.mail.utexas.edu
utexas.edureceives its email
TLS
utexas.edu
Let's Encryptissued its certificate
DNS Records
A 1
23.185.0.4
AAAA 2
2620:12a:8000::42620:12a:8001::4
MX 1
10inbound.mail.utexas.edu
TXT 15
openai-domain-verification=dv-V9eTgezTwIm82UoEoJwtJrWYcoursera-domain-verification=1JEi4zxbmn5JIG6hxViDbViDgsxv7bwl5vIaOPCWMd26Tlw2PoFUBLKkrT5hm3dgE09E81A326BD6B01247EB7339DFD1872puybXBnQlfP7zU5AkBfAOxyd7AtVbW0V7le/PLDTDFjAn0vCwsku+yphyGvHnsOPRDPoOCIvSWMpKbCVfqpsZw==MS=ms80175920fastly-domain-delegation-FeZhCxeLqx-311421-2020-11-11_globalsign-domain-verification=AmgTovmK8NOFj6S848ssOdeA5Bd3_iMnjIqO-PlLlhfastly-domain-delegation-aX3Cv1R0n0jutdbKIYiu-08192020v=spf1 include:_spf-m365-gmail.mail.utexas.edu include:utexas-edu.spf.smtp25.com include:_spf.qualtrics.com -alldocusign=18aab780-e4ba-4f25-bd82-4fd000223e23
NS 3
marianas.its.utexas.eduglass.its.utexas.educhisos.ots.utexas.edu
SOA 1
infoblox-aws-p02.gw.utexas.edu hostmaster.utexas.edu
CAA 1
contactemail "net-tech@its.utexas.edu"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
utexas.edu |
C=US, O=Let's Encrypt, CN=YR1 | Tue, 01 Sep 2026 17:35:46 +0000 |
YR1 |
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 (1)
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
2cd97b81-42c8-4fa1-9561-7f34407de520- Output Hash
274ceec0f13a2387d3f393ff8a8a6b46cf28c477853afc1378b022a533616d02- Signature
ed25519:698f6dffad3678f1218be6726b372202cd4f56d3c01d09e8e5fdd1f73a163dc5fb6cd2f37859bc33429e79756cffbcc9f282310b7334b02517ca25224462540d- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast