sundk.de

Valid Email Server
Domain Lookup › sundk.de

Domain Overview

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

Checked via [email protected] · 2026-03-27 19:11:35 UTC · ↺ Refresh

MX Hostnames

  • mail.sundk.de

MX Priorities

  • mail.sundk.de: 10

A / AAAA Records

  • 217.160.0.209 ↩ 217-160-0-209.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2e2 ↩ 2001-08d8-100f-f000-0000-0000-0000-02e2.elastic-ssl.ui-r.com

Mail Server IPs

  • 62.153.172.75 ↩ mail.sundk.de

SOA Record

Raw SOA ns1061.ui-dns.org hostmaster.1und1.de 2017011784 28800 7200 604800 300
Primary NS (mname)
ns1061.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2017011784
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1061.ui-dns.de
ns1061.ui-dns.biz
ns1061.ui-dns.org
ns1061.ui-dns.com

SPF Record

✓ Strict (-all)
v=spf1 mx a:mout.kundenserver.de ip4:217.7.209.149 include:spf.protection.outlook.com include:spf.emailsys.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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

11 records
  • facebook-domain-verification=pkbncc4r5qj69v2gqvjyo0oaj3o6bt
  • swisssign-check=_L2oKzQAwebI9zli_ulzthOmzT4
  • google-site-verification=a9KMrg76Vw1UCI69cG6eU7fUgJIichUZAxKyrOznBZo
  • MS=ms33799414
  • apple-domain-verification=j4CQnN6EI9511yOA
  • 6a91220mnmfjtrhn56nfmkvt1v
  • _acme-challenge.sundk.de=ffxIFmBz604KvQ4EPBJ5Yd6-8M-5_tlfQxE_66YjN_0
  • SPFv=spf1 mx a:mout.kundenserver.de ip4:217.7.209.149 include:spf.protection.outlook.com include:spf.emailsys.net -all
  • google-site-verification=UX-aUJ5ohjlbs9T0j-sGdLdEyuyod4Dn4HN7IAoh9fE
  • oqq4xoly786qqpe7xb7ccb0vfqicrdjl
  • Foxit-domain-verification=868120a662745790e5d4ca3088ebfa93
Full email verification for sundk.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits