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alphabooks.vn

Observed Jul 25, 2026, 21:40 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
Email byGoogle (SPF sender)
Secured byLet's Encrypt
Also usesFacebook/MetaGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat alphabooks.vn actually stands on - every host below is a signed observation
alphabooks.vn
A / AAAA
210.245.8.139
unattributedserves the site
NS
nsbak.dotvndns.comns1.dotvndns.vnns2.dotvndns.vn
dotvndns.com + dotvndns.vnanswers its DNS
MX
mail23516.maychuemail.com
Google (SPF sender)receives its email
TLS
alphabooks.vn
Let's Encryptissued its certificate

DNS Records

A 1

  • 210.245.8.139

MX 1

  • 20mail23516.maychuemail.com

TXT 8

  • v=spf1 include:_spf.google.com include:amazonses.com ~all
  • google-site-verification=3yjQ2NfNNw8RnCk-lCZd5yYOhd6bIeIBDdBllk2MnvQ
  • ahrefs-site-verification_2371fe3716ea73c2f1fd7c0c9dfbdb4721993785368cedd907f6620adfa0b415
  • v=spf1 a mx include:spf.maychuemail.com include:_spf.vhost.vn include:_spf.elasticemail.com include:spf.protection.outlook.com include:amazonses.com ~all
  • verification-code-site-App_lark=SHLK67OMsefL7SSN3uFK
  • facebook-domain-verification=e0vld8amni818zpnhke1q86qyu08aj
  • v=DMARC1; p=none;
  • v=DMARC1;p=none;pct=100;rua=mailto:youremailaddress@yourdomain.com;ruf=mailto:youremailaddress@yourdomain.com

NS 3

  • nsbak.dotvndns.com
  • ns1.dotvndns.vn
  • ns2.dotvndns.vn

SOA 1

  • ns1.pavietnam.vn hostmaster.alphabooks.vn

TLS Certificates (3)

Common NameIssuerExpires
alphabooks.vn C=US, O=Let's Encrypt, CN=YR1 Mon, 21 Sep 2026 14:17:16 +0000
YR1 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 receipt

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

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

Ed25519 Receipt

Receipt ID
rcpt_aef86186a933d0f7
Output Hash
810b7aea87e2ed4ebd10ba5258ce1bfe2ef9878b61e1f2188a272e6ed44be17a
Signature
ed25519:158e8362dc65e97b2c096065955e79d8a1c109e65c58fe9670e9a598eecfffb79c6eada580e597587426d99841da3491b49ddec69f6b36fbce193bc2dbf34208
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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