yulingyao.com
Observed Jul 27, 2026, 04:03 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
Runs onCloudflare
Secured byGoogle Trust Services
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yulingyao.com actually stands on - every host below is a signed observation
yulingyao.com
A / AAAA
104.21.57.148172.67.146.1652606:4700:3031::ac43:92a52606:4700:3032::6815:3994
Cloudflareserves the site
NS
erin.ns.cloudflare.comwells.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
route2.mx.cloudflare.netroute1.mx.cloudflare.netroute3.mx.cloudflare.net
cloudflare.netreceives its email
TLS
yulingyao.com
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.57.148172.67.146.165
AAAA 2
2606:4700:3031::ac43:92a52606:4700:3032::6815:3994
MX 3
3route2.mx.cloudflare.net20route1.mx.cloudflare.net56route3.mx.cloudflare.net
TXT 1
v=spf1 include:_spf.mx.cloudflare.net ~all
NS 2
erin.ns.cloudflare.comwells.ns.cloudflare.com
SOA 1
erin.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
yulingyao.com |
C=US, O=Google Trust Services, CN=WE1 | Thu, 03 Sep 2026 02:41:02 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +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_3b311d2909079c45- Output Hash
5f79df6a073db11eec0155f274cddf4e7d61c78865751e411a706d281af4ae8d- Signature
ed25519:59caaf8e18e51d902bc2e3bd201b136410600c39aa10004a4776f53dc61e357b025f2dab2e73ad46f268534cd120d75fcc14dd1f3813ded9948645803fc5a506- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast