yisd.net
Observed Aug 2, 2026, 22:23 UTC (10h 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
Secured byLet's Encrypt
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yisd.net actually stands on - every host below is a signed observation
yisd.net
A / AAAA
34.238.178.141
unattributedserves the site
NS
altproxy.yisd.netib-az.yisd.netpriproxy.yisd.net
yisd.netanswers its DNS
MX
mailrelay2.yisd.netmailrelay.yisd.netyisd-net.mail.protection.outlook.com
Microsoft 365receives its email
TLS
yisd.net
Let's Encryptissued its certificate
DNS Records
A 1
34.238.178.141
MX 3
50mailrelay2.yisd.net30mailrelay.yisd.net10yisd-net.mail.protection.outlook.com
TXT 9
6y0dfmj8lzzt2gl2mnr4dt1b6n0j5d58:google-site-verification=240u8jnz6DwDfT3xcpAta9pgxPsgCVZJSB6ltWcURVkgoogle-site-verification=d-rvqaPsLDP9r2FugqxD6pwz53GQCzqcVGhsc8qb0pcapple-domain-verification=phQoZ1FIgd9PGwYNxvrxstq8khf1lw2pz5gzhhyycrlsfkcsv=spf1 ip4:192.230.230.0/25 ip4:69.196.241.0/28 ip4:104.47.56.138 ip4:216.45.16.0/24 include:spf.protection.outlook.com include:_spf.bbnotify.net include:spf.happyfox.com include:_spf.psm.knowbe4.com include:spf.gaggle.net include:sendgrid.net ~allh5h9tlq354tq1r6419j0yy1jlbrnwjwxv=TLSRPTv1;rua=mailto:mailadmin@yisd.net,https://mailadmin@yisd.net;logmein-verification-code=777a04be-e4b3-4ed2-867b-67e5353fb9ba
NS 3
altproxy.yisd.netib-az.yisd.netpriproxy.yisd.net
SOA 1
priproxy.yisd.net admin.yisd.net
DMARC_RECORDS 1
v=DMARC1; p=reject;pct=100; aspf=s; ri=3600; rua=mailto:mailadmin@yisd.net; ruf=mailto:mailadmin@yisd.net
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
yisd.net |
C=US, O=Let's Encrypt, CN=YR2 | Wed, 02 Sep 2026 04:27:00 +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 (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_9b1b1e5f571e3b14- Output Hash
9e1ed16ae223871ae8a534f3b4a81da1f22e5a2f03508509ae348a51e72b2ede- Signature
ed25519:0b25a36e8f8525e156049fea54c48c16d234dbd0c5b7718d1b815a255f55b7c2db581e59858b8a2476c7a1f8095276b0393b2352acd558024ae657d8d8a75800- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast