fvk-cottbus.de

Valid Email Server
Domain Lookup › fvk-cottbus.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fvk-cottbus.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 23:55:41 UTC · ↺ Refresh

MX Hostnames

  • fvk-cottbus.de
  • fvkcottbus-de0i.mail.protection.outlook.com

MX Priorities

  • fvk-cottbus.de: 10
  • fvkcottbus-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 185.5.12.48 ↩ web.homepagesysteme.de

Mail Server IPs

  • 185.5.12.48 ↩ web.homepagesysteme.de
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.first-ns.de guenther\.hiebel.fvk-cottbus.de 2026011906 3600 3600 1209600 3600
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
guenther\@hiebel.fvk-cottbus.de
Serial
2026011906
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

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

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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