3m.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-04 · error crawled 2026-06-04 5 attempts

US · 3.141.225.30 · AS16509 Amazon.com, Inc.

Reputation 90/100 crawl error

http error: All connection attempts failed

Registration

Registrar
REG-IPMIRROR
Created
1999-02-15
Expires
2026-10-06 123 days left
Updated
2024-05-03
Name servers
  • a.ns.3m.com
  • b.ns.3m.com

DNS records live

NS
  • a.ns.3m.com
  • b.ns.3m.com
Verified for
  • Google

Email authentication no MX

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;
policy: quarantine
DKIM
no key found at common selectors

Certificates

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Linked from (2)