ducthinh.net
Observed Jul 27, 2026, 09:01 UTC (5d 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
Email byGoogle (SPF sender)
Secured byGoogle Trust Services
Also usesGoogle Search Console
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ducthinh.net actually stands on - every host below is a signed observation
ducthinh.net
A / AAAA
104.21.44.186172.67.202.2232606:4700:3033::ac43:cadf2606:4700:3033::6815:2cba
Cloudflareserves the site
NS
kia.ns.cloudflare.comsam.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mx1.forwardemail.netmx2.forwardemail.net
Google (SPF sender)receives its email
TLS
ducthinh.net
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.44.186172.67.202.223
AAAA 2
2606:4700:3033::ac43:cadf2606:4700:3033::6815:2cba
MX 2
10mx1.forwardemail.net20mx2.forwardemail.net
TXT 5
anthropic-domain-verification-9rmn1p=xeNcnxJtQIA783tkuratsunWnanthropic-domain-verification-zfgh1y=SqzH62XrOQA7TMP9HsCLkgitWforward-email=nguyen:thinhnd.ict@gmail.comgoogle-site-verification=d9QH-psgnuwJ1jgjqqPFKPmQe7He_CTTpcqPtcC73VAv=spf1 a mx include:spf.forwardemail.net include:_spf.google.com ~all
NS 2
kia.ns.cloudflare.comsam.ns.cloudflare.com
SOA 1
kia.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
ducthinh.net |
C=US, O=Google Trust Services, CN=WE1 | Mon, 05 Oct 2026 20:48:38 +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
- Output Hash
c4a93c566983595ccabd283e0a4842464982671ed1dd43b5645698f16c0128b9- Signature
(receipt not held at this host)- Public Key
connor-fast-v0.13.0- Parent
(genesis)- Plane
- fast