zahn-steuerberater.de

Valid Email Server
Domain Lookup › zahn-steuerberater.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
zahn-steuerberater.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 10:50:25 UTC · ↺ Refresh

MX Hostnames

  • mx-02-eu-central-1.prod.hydra.sophos.com
  • mx-01-eu-central-1.prod.hydra.sophos.com

MX Priorities

  • mx-02-eu-central-1.prod.hydra.sophos.com: 20
  • mx-01-eu-central-1.prod.hydra.sophos.com: 10

A / AAAA Records

  • 217.160.0.195 ↩ 217-160-0-195.elastic-ssl.ui-r.com

Mail Server IPs

  • 18.159.237.67 ↩ ec2-18-159-237-67.eu-central-1.compute.amazonaws.com
  • 52.57.79.230 ↩ ec2-52-57-79-230.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA ns1039.ui-dns.org hostmaster.schlund.de 2016041926 28800 7200 604800 300
Primary NS (mname)
ns1039.ui-dns.org
Admin Email (rname)
hostmaster@schlund.de
Serial
2016041926
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1039.ui-dns.biz
ns1039.ui-dns.com
ns1039.ui-dns.org
ns1039.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com a:mail.fp-sign.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

4 records
  • duo_sso_verification=o0QIsdVxhmQhrD6Opnvlkxh6XQpzCTQ6beoQo1GL2ee5ltF7PPLcAt43fdLhsYqw
  • MS=ms89972531
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com a:mail.fp-sign.com -all
  • sophos-domain-verification=5362bc833adc0df96e9cbff29b1ca2e3cc3ba41a
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