maerz-network.de

Valid Email Server
Domain Lookup › maerz-network.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
maerz-network.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 00:34:54 UTC · ↺ Refresh

MX Hostnames

  • relay.maerz-network.de
  • mail.maerz-network.de

MX Priorities

  • relay.maerz-network.de: 10
  • mail.maerz-network.de: 20

A / AAAA Records

  • 217.160.234.42 (no PTR)

Mail Server IPs

  • 212.144.37.222 ↩ relay.maerz-network.de
  • 212.144.37.195 (no PTR)

SOA Record

Raw SOA docks16.rzone.de hostmaster.strato-rz.de 2020052454 86400 7200 604800 300
Primary NS (mname)
docks16.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020052454
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades12.rzone.de
docks16.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:_spf.salesforce.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

9 records
  • atlassian-domain-verification=6Oj2Q3bfuOqwupPjSntgIgUETM4xMalGuwZeDawvAWDXoRPqXnZVGSyK21TR1VgE
  • knowbe4-site-verification=e14bc8039039ef73b5f45c5df9bdd9f8
  • apple-domain-verification=rOjNiSE2Bzc0S3ID
  • google-site-verification=yJ4txHjTZBfnRu0TX3-An-ErWwEontpedluSLADnSyI
  • SPFv=spf1 mx include:spf.protection.outlook.com include:_spf.salesforce.com include:_spf.psm.knowbe4.com -all
  • C2C3wPD36KYUOMIb4h2kRVuRF1tZ6ZzTQVlyLLxqBS/jHTuenMuosBCMsfhiaaQ7J2MSuj5KrkjKS+k63eqCJw==
  • brevo-code:0536c92106332cd71947ffd75013f497
  • google-site-verification=4-AQO1scG21ddbdS25H1LkiEwVStusXE0lpIu1ePZk0
  • linkedin-site-verification=c117d4e2-7034-4f4f-ba3f-3691ede38c3d
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