packtpub.com
Observed Jul 22, 2026, 00:24 UTC (6h 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.
Guarded by a firewall
Runs onCloudflare
Email byMicrosoft 365
Secured byLet's Encrypt
Registered withAmazon Registrar, Inc.
Also usesFacebook/MetaGoogle Search Console
IPv6 · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat packtpub.com actually stands on - every host below is a signed observation
packtpub.com
A / AAAA
104.18.18.57104.18.19.572606:4700::6812:12392606:4700::6812:1339
Cloudflareserves the site
NS
eva.ns.cloudflare.commax.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
packtpub-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
packtpub.com
Let's Encryptissued its certificate
DNS Records
A 2
104.18.18.57104.18.19.57
AAAA 2
2606:4700::6812:12392606:4700::6812:1339
MX 1
0packtpub-com.mail.protection.outlook.com
TXT 11
MS=ms77079791google-gws-recovery-domain-verification=67085002facebook-domain-verification=m4iqhvdyzgnt1rtxtdfzrsypf63gi8google-site-verification=4IqRPigqD2-cUnB7oyC8vW9hJVPD-1CklhbG2CzYcKkgoogle-site-verification=EhrsgJ1xswy57ujWukxssZc7LkxKzr_k5GCWDF68sgkgoogle-site-verification=aYn6H9fduNTMAWna17iNt1G1VNPxaakxn2Vta5qgok0_globalsign-domain-verification=6RYPIPUO2OQDU0pqaDmaEeWmISV7Tz3QQBCYgOv3br_globalsign-domain-verification=HYZk2Fhot5-PhJD3xTIrZBWcnuIiOpkPMyjRmQ2z5L_globalsign-domain-verification=Iiihy-iv_vLdlIMtHvh-aCdqO2T53oCoknhW44njXnv=spf1 a:zgateway.zuora.com include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com include:sendgrid.net include:amazonses.com -all
NS 2
eva.ns.cloudflare.commax.ns.cloudflare.com
SOA 1
eva.ns.cloudflare.com dns.cloudflare.com
CAA 12
iodef "mailto:caa.notification@packt.com"issue "amazon.com"issue "amazonaws.com"issue "amazontrust.com"issue "awstrust.com"issue "letsencrypt.org"issue "pki.goog; cansignhttpexchanges=yes"issuewild "amazon.com"issuewild "amazonaws.com"issuewild "amazontrust.com"
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
packtpub.com |
C=US, O=Let's Encrypt, CN=YE1 | Wed, 09 Sep 2026 02:49:21 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
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_cec37e52626def82- Output Hash
850aae3d346ad33ac8a35061ae944a1d89adfc998b7c05123be6045b5961d0dc- Signature
ed25519:476a329a2d35be271c910576709873724e3701c2b449521df8f4b11beab01df05b9d8c3d1bcbd4bacaf7bc12bdc8451612ca30f6add3d1ce909ea4991ec8db01- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast