tec-rrnetz.de

Registration

Updated

2025-07-30

Name servers

• ns1.first-ns.de.
• robotns2.second-ns.de.
• robotns3.second-ns.com.

DNS records live

NS

• ns1.first-ns.de
• robotns2.second-ns.de
• robotns3.second-ns.com

MX

• 10 mail00.tec-rrnetz.de

Email authentication weak

SPF

not published

DMARC

not published

DKIM

• default: v=DKIM1; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6d9H5VK2CivZ1YNkQdfHulPoUJiR3+bMvccSQ0PQLZHr/9NRNeFHLuFf04vXaBa1KPF2hhdktPAruqr3…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗