erf.ch

.ch dns

First seen 2026-05-22 · Last seen 2026-05-28 · ok HTTP 200 1524 ms crawled 2026-05-28

CH · 95.143.52.32 · AS8758 Iway AG

Reputation 87/100 weak security headers no dmarc policy

DNS records live

NS
  • ns1.alixon.ch
  • ns2.alixon.ch
MX
  • 10 mail01.erf.ch
  • 20 mail02.erf.ch
Verified for
  • 1Password
  • Adobe
  • Anthropic
  • Canva
  • Google
  • Microsoft 365
  • OpenAI

Email authentication weak

SPF
v=spf1 +a ip4:31.10.252.41 ip4:31.10.252.42 ip4:31.10.252.49 ip4:81.63.173.235 ip4:194.246.118.141 ip4:194.246.118.158 ip4:159.183.91.5 +mx include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-06 to 2026-07-05
Expires in 34 days