indexo.dev

isbn.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-15 · error HTTP 403 crawled 2026-05-20 5 attempts

DE · 116.202.52.178 · AS24940 Hetzner Online GmbH

Reputation 90/100 crawl error

Classifying

via Internet Archive Data from 2026-01-01 — live crawl blocked by site

HTML metadata

Title
ISBN.de - Bücher | Einfach | Finden
Description
ISBN-Nr. Ihr Buchverzeichnis lieferbarer Bücher. Hier finden Sie Neuerscheinungen, Restposten und Gebrauchtbücher mit der passenden ISBN-Nr.
Language
de-DE

Registration

Updated
2017-04-12
Name servers
  • a.ns14.net.
  • b.ns14.net.
  • c.ns14.net.
  • d.ns14.net.

DNS records live

NS
  • a.ns14.net
  • b.ns14.net
  • c.ns14.net
  • d.ns14.net
MX
  • 10 mail.mwmx.de

Email authentication strong

SPF
v=spf1 mx a -all
strict (-all)
DMARC
v=DMARC1; p=reject; pct=90; rua=mailto:dmarc@mwg.de; ruf=mailto:dmarc@mwg.de;
policy: reject (enforced) · pct=90
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-05-18 to 2026-08-16
Expires in 87 days

Full certificate history on crt.sh ↗

Linked from (2)