CONTINUOUS INTERNET TELEMETRY24H DRIFT3,472 material changesacross 3,216 domains · +2,563 vs yesterdayDNS DRIFT216 domains changed DNS providertop destination parity.domains · +190 vs yesterdayEMAIL DRIFT45 domains switched email providertop destination outlook.com · +37 vs yesterdayCERT DRIFT87 domains switched issuing CA24h · +64 vs yesterdayNOW2,284 curated domains not answering-426 vs yesterdayERRORS22,609 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED91,341 throttled or blocked our scanner429 rate-limit / 403 bot-block

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

  • 104.18.18.57
  • 104.18.19.57

AAAA 2

  • 2606:4700::6812:1239
  • 2606:4700::6812:1339

MX 1

  • 0packtpub-com.mail.protection.outlook.com

TXT 11

  • MS=ms77079791
  • google-gws-recovery-domain-verification=67085002
  • facebook-domain-verification=m4iqhvdyzgnt1rtxtdfzrsypf63gi8
  • google-site-verification=4IqRPigqD2-cUnB7oyC8vW9hJVPD-1CklhbG2CzYcKk
  • google-site-verification=EhrsgJ1xswy57ujWukxssZc7LkxKzr_k5GCWDF68sgk
  • google-site-verification=aYn6H9fduNTMAWna17iNt1G1VNPxaakxn2Vta5qgok0
  • _globalsign-domain-verification=6RYPIPUO2OQDU0pqaDmaEeWmISV7Tz3QQBCYgOv3br
  • _globalsign-domain-verification=HYZk2Fhot5-PhJD3xTIrZBWcnuIiOpkPMyjRmQ2z5L
  • _globalsign-domain-verification=Iiihy-iv_vLdlIMtHvh-aCdqO2T53oCoknhW44njXn
  • v=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.com
  • max.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 NameIssuerExpires
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 receipt

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

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

Ed25519 Receipt

Receipt ID
rcpt_cec37e52626def82
Output Hash
850aae3d346ad33ac8a35061ae944a1d89adfc998b7c05123be6045b5961d0dc
Signature
ed25519:476a329a2d35be271c910576709873724e3701c2b449521df8f4b11beab01df05b9d8c3d1bcbd4bacaf7bc12bdc8451612ca30f6add3d1ce909ea4991ec8db01
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser