CONTINUOUS INTERNET TELEMETRY24H DRIFT1,719 material changesacross 1,519 domains · +297 vs yesterdayDNS DRIFT6 domains changed DNS providertop destination parity.domains · -15 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination outlook.com · -2 vs yesterdayNOW922 curated domains not answering+212 vs yesterdayERRORS4,293 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED7,849 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERtiktok.comDMARC enforcement downgraded: p=reject → no DMARC record24H DRIFT1,719 material changesacross 1,519 domains · +297 vs yesterdayDNS DRIFT6 domains changed DNS providertop destination parity.domains · -15 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination outlook.com · -2 vs yesterdayNOW922 curated domains not answering+212 vs yesterdayERRORS4,293 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED7,849 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERtiktok.comDMARC enforcement downgraded: p=reject → no DMARC record

hogrefe.com

Observed 2026-07-17T14:07:03.250502670+00:00 (17h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs on23M
Secured byLet's Encrypt
Registered withInterNetX GmbH
Also usesGoogle Search Console
IPv6 · 3 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat hogrefe.com actually stands on - every host below is a signed observation
hogrefe.com
A / AAAA
194.6.208.1552a00:f48:1008::208:155:10
23Mserves the site
NS
d.ns14.neta.ns14.netc.ns14.netb.ns14.net
ns14.netanswers its DNS
MX
mx.hogrefe.de
hogrefe.dereceives its email
TLS
hogrefe.com
Let's Encryptissued its certificate

DNS Records

A 1

  • 194.6.208.155

AAAA 1

  • 2a00:f48:1008::208:155:10

MX 1

  • 10mx.hogrefe.de

TXT 8

  • asv=997ee2d3d7530188da8c82d445959d20
  • twilio-domain-verification=cdbf50d3d97c8a0301f75d7120071dd2
  • google-site-verification=kMsqW5Ts91XbwecJadXvkzVO5FwOPcct6WoZgNj8Z7E
  • google-site-verification=fGUydcro2VhHeqc_6ZSQkcNi1r9ZDU_XErUoH-HumRo
  • openai-domain-verification=dv-KqQKIAsWzEgZGGql8Bq2ZbS5
  • fou0i072fVqMTJCqsboKppFopu0tij/+HW0h+BKuTQiUBnJXNzBKSB9K5scNdLUjr8c6Rk13UDTGW+P95pqPfw==
  • v=spf1 a mx ip4:88.99.64.201 ip4:116.202.200.189 ip4:91.223.204.0/24 ip4:65.156.0.0/23 ip4:62.113.228.174 ip4:185.88.212.248/29 ip4:93.90.178.115 ip4:185.88.214.32 ip4:194.6.208.156 ip4:194.6.208.157 ip6:2a00:f48:1008::212:254:10 ip6:2a00:f48:1008::212:252:10 ip6:2a00:f48:1008::228:174:10 ip6:2a00:f48:1008::208:156:10 include:spf.topdesk.net include:spf.literatumonline.com include:spf.protection.outlook.com -all
  • v=DMARC1; p=quarantine; rua=mailto:c8t3egmm@ag.eu.dmarcadvisor.com,mailto:dmarc_agg@vali.email; ruf=mailto:c8t3egmm@fr.eu.dmarcadvisor.com

NS 4

  • d.ns14.net
  • a.ns14.net
  • c.ns14.net
  • b.ns14.net

SOA 1

  • a.ns14.net hostmaster.goetel.net

CAA 7

  • issue "pki.goog"
  • issuewild "sectigo.com"
  • issue "sectigo.com"
  • issuewild "amazon.com"
  • issue "amazonaws.com"
  • issue "digicert.com"
  • issue "letsencrypt.org"

TLS Certificates (4)

Common NameIssuerExpires
hogrefe.com C=US, O=Let's Encrypt, CN=YE2 Thu, 01 Oct 2026 06:39:07 +0000
YE2 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 (3)

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 hogrefe.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
1e595111-26ab-4a3d-b184-2fcaaf537e5d
Output Hash
de9302f1e5349aa29150c0020caed3f7140b99ea65ff40bf17267508d1f38611
Signature
ed25519:0c40ff0904d8bba14b2148e6162eef76b670b3b43cac62cf796768c350aa39e7d48101cb087f4e7ec85ae2ca28f24b1cc17104d1e2868953dde7eb1a88168409
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser