urcmich.org
Observed Jul 27, 2026, 05:02 UTC (6d 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 byProofpoint
Secured byLet's Encrypt
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat urcmich.org actually stands on - every host below is a signed observation
urcmich.org
A / AAAA
75.98.175.111
unattributedserves the site
NS
ns1.msu.eduns2.msu.eduns3.msu.edu
msu.eduanswers its DNS
MX
mxb-00165801.gslb.pphosted.commxa-00165801.gslb.pphosted.com
Proofpointreceives its email
TLS
*.org.tc0xbmip.a2hosted.com
Let's Encryptissued its certificate
DNS Records
A 1
75.98.175.111
MX 2
10mxb-00165801.gslb.pphosted.com5mxa-00165801.gslb.pphosted.com
TXT 4
v=spf1 ip4:35.9.75.0/24 ip4:148.163.147.0/24 ip4:148.163.143.0/24 include:spf-00165801.pphosted.com include:spf.protection.outlook.com ~allbrevo-code:002d09044edbcb06cdb05434cfb1883fMS=ms99621246v=DMARC1;p=none;rua=mailto:rua@dmarc.brevo.com
NS 3
ns1.msu.eduns2.msu.eduns3.msu.edu
SOA 1
cr-ib-pri.net.msu.edu hostmaster.msu.edu
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.org.tc0xbmip.a2hosted.com |
C=US, O=Let's Encrypt, CN=YR2 | Fri, 25 Sep 2026 20:23:45 +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 (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
rcpt_942a281fa36eebfd- Output Hash
732dcd0aca5903af940898455c66e8d4dd261888106caa0f02a4d3be6e2ba20a- Signature
ed25519:517633d2b3f2b320c7b229dbf9c06b66603a858a3b8e2eff9cd0a7790ffd66373ad8586bb3090326d439277a20d978179546d318dce85c538e180d0c94090f04- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast