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51dns.com

Observed Jul 21, 2026, 16:45 UTC (2d 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 onCHINANET Guangdong province network
Secured byAsseco Data Systems S.A.
IPv6 · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat 51dns.com actually stands on - every host below is a signed observation
51dns.com
A / AAAA
211.99.99.89240e:97d:10:1402:0:1:0:2
CHINANET Guangdong province networkserves the site
NS
m1.51dns.comm2.51dns.com
51dns.comanswers its DNS
MX
mxbiz1.qq.commxbiz2.qq.com
qq.comreceives its email
TLS
*.51dns.com
Asseco Data Systems S.A.issued its certificate

DNS Records

A 1

  • 211.99.99.89

AAAA 1

  • 240e:97d:10:1402:0:1:0:2

MX 2

  • 5mxbiz1.qq.com
  • 10mxbiz2.qq.com

TXT 2

  • v=spf1 include:spf.mail.qq.com ~all
  • 864335953-309712597

NS 2

  • m1.51dns.com
  • m2.51dns.com

SOA 1

  • m1.51dns.com admin.51dns.com

TLS Certificates (4)

Common NameIssuerExpires
*.51dns.com C=PL, O=Asseco Data Systems S.A., CN=Certum DV TLS G2 R39 CA Sat, 30 Jan 2027 06:20:58 +0000
Certum DV TLS G2 R39 CA C=PL, O=Asseco Data Systems S.A., 2.5.4.11=Certum Certification Authority, CN=Certum Trusted Root CA Sun, 05 Jun 2039 07:41:22 +0000
Certum Trusted Root CA C=PL, O=Unizeto Technologies S.A., 2.5.4.11=Certum Certification Authority, CN=Certum Trusted Network CA Tue, 19 Sep 2028 10:00:00 +0000
Certum Trusted Network CA C=PL, O=Unizeto Technologies S.A., 2.5.4.11=Certum Certification Authority, CN=Certum Trusted Network CA Mon, 31 Dec 2029 12:07:37 +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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for 51dns.com. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for 51dns.com <a href="https://domaindrift.io/t/51dns.com"> <img src="https://domaindrift.io/badge/51dns.com.svg" width="300" height="64" alt="DomainDrift signed observations for 51dns.com"> </a>

Ed25519 Receipt

Receipt ID
rcpt_162a5ba695031299
Output Hash
049e1838f04cd35ab84400ace871ec850b62cdd71dfab414a98fce3f13ad281a
Signature
ed25519:e1cb4060a7ab614bd4cdde3835aa59f65a0a423f2cbacf4466809fb975c7ede32ef0ead3f48ffca5b900eb292e84d2cbe7cc13f3060870b725b958438b354a0d
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser