mathjobs.org
Observed Aug 16, 2026, 11:30 UTC (1h 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 byMicrosoft 365
Microsoft 365Secured byInternet2
Registered withSafeNames Ltd.
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat mathjobs.org actually stands on - every host below is a signed observation
mathjobs.org
A / AAAA
152.3.99.226
unattributedserves the site
NS
dns-nc1-01.oit.duke.edudns-auth-02.oit.duke.edudns-auth-01.oit.duke.edu
duke.eduanswers its DNS
MX
mathjobs-org.mail.protection.outlook.com
Microsoft 365receives its email
TLS
academicjobsonline.org
Internet2issued its certificate
DNS Records
A 1
152.3.99.226
MX 1
10mathjobs-org.mail.protection.outlook.com
TXT 3
0ed1fe018a18088f6b211d41ca9b7d47609c00aa40MS=ms46706281v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ip4:152.3.99.226 ip4:152.3.96.162 ip4:152.3.189.224/27 include:us._netblocks.mimecast.com ~all
NS 3
dns-nc1-01.oit.duke.edudns-auth-02.oit.duke.edudns-auth-01.oit.duke.edu
SOA 1
dns-auth-01.oit.duke.edu datacom-hostmaster.duke.edu
DMARC_RECORDS 1
v=DMARC1;p=quarantine;pct=100;rua=mailto:root@academicjobsonline.org
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
academicjobsonline.org |
C=US, O=Internet2, CN=InCommon RSA Server CA 2 | Wed, 11 Nov 2026 23:59:59 +0000 |
InCommon RSA Server CA 2 |
C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority | Mon, 15 Nov 2032 23:59:59 +0000 |
USERTrust RSA Certification Authority |
C=GB, ST=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=AAA Certificate Services | Sun, 31 Dec 2028 23:59:59 +0000 |
AAA Certificate Services |
C=GB, ST=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=AAA Certificate Services | Sun, 31 Dec 2028 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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_95302f0e637ed840- Output Hash
d9a092f1fce59058a48079c5eb9f7113b5e634048f2e9e8efb7b0fb433df01cc- Signature
ed25519:8ceafc908bde92c9a5c380617d03f11775df8d11d156af20cb031de5c8a9196f2997c11ff05fea72eb342751ca74f73290d2fbbc62aad0b109d2cac8be08f208- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast