dbfk.de

Valid Email Server
Domain Lookup › dbfk.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dbfk.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 21:40:21 UTC · ↺ Refresh

MX Hostnames

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

  • 217.160.0.172 ↩ 217-160-0-172.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2a3 ↩ 2001-08d8-100f-f000-0000-0000-0000-02a3.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.57.183.85 ↩ ec2-52-57-183-85.eu-central-1.compute.amazonaws.com
  • 18.159.80.41 ↩ ec2-18-159-80-41.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA ns1030.ui-dns.de hostmaster.1und1.de 2017071551 28800 7200 604800 300
Primary NS (mname)
ns1030.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017071551
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1030.ui-dns.com
ns1030.ui-dns.biz
ns1030.ui-dns.de
ns1030.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 ip4:212.87.44.36/30 ip4:212.87.44.44/30 ip4:85.158.1.64/27 ip4:87.106.15.197 include:_spf.kundenserver.de include:_spf.zimpel.de include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com include:vpn-rz.dbfk.de a:mail01.mailservices-sc.de include:spf-de.emailsignatures365.com a:mail02.mailservices-sc.de a:mail01.mailservices-fw.de a:mail02.mailservices-fw.de -all
📊 DNS lookups: 10/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ 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

5 records
  • sophos-domain-verification=93c31396e713710f77b02e2a84762634570173ad
  • SPFv=spf1 ip4:212.87.44.36/30 ip4:212.87.44.44/30 ip4:85.158.1.64/27 ip4:87.106.15.197 include:_spf.kundenserver.de include:_spf.zimpel.de include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com include:vpn-rz.dbfk.de a:mail01.mailservices-sc.de include:spf-de.emailsignatures365.com a:mail02.mailservices-sc.de a:mail01.mailservices-fw.de a:mail02.mailservices-fw.de -all
  • sophos-domain-verification=bf9dd1c369747987018c76e932a4d48c534de1c1dbe8f66e95cdc7d135e38838
  • ms-domain-verification=683d4b4b-8fcf-4947-8f96-bfc85b121ec7
  • v=verifydomain MS=7662921
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