buerocenter-butzbach.de

Valid Email Server
Domain Lookup › buerocenter-butzbach.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
buerocenter-butzbach.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 06:15:47 UTC · ↺ Refresh

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MX Hostnames

  • buerocenterbutzbach-de02i.mail.protection.outlook.com

MX Priorities

  • buerocenterbutzbach-de02i.mail.protection.outlook.com: 0

A / AAAA Records

  • 62.216.169.36 ↩ mail.c.srvmk.de
  • 2001:1a50:100:1::21 ↩ mail.c.srvmk.de

Mail Server IPs

  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.srvmk.de hostmaster.ns1.srvmk.de 2026020673 43200 7200 1814400 7200
Primary NS (mname)
ns1.srvmk.de
Admin Email (rname)
hostmaster@ns1.srvmk.de
Serial
2026020673
Refresh
43200s
Retry
7200s
Expire
1814400s
Minimum TTL
7200s

Nameservers (NS)

ns1.srvmk.de
ns2.srvmk.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.bueroring.de include:_spf.srvmk.de ip4:62.216.172.196 -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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

2 records
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.bueroring.de include:_spf.srvmk.de ip4:62.216.172.196 -all
  • MS=ms82846434
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