sk-sb.de

Valid Email Server
Domain Lookup › sk-sb.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sk-sb.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 21:22:52 UTC · ↺ Refresh

MX Hostnames

  • y01es.mail.s-web.de
  • y02es.mail.s-web.de

MX Priorities

  • y01es.mail.s-web.de: 10
  • y02es.mail.s-web.de: 10

A / AAAA Records

  • 195.140.53.9 (no PTR)

Mail Server IPs

  • 195.140.96.82 ↩ y01es.mail.s-web.de
  • 195.140.96.83 ↩ y02es.mail.s-web.de

SOA Record

Raw SOA ns1.s-fg-net.de domreg.f-i.de 64 10800 3600 2419200 1800
Primary NS (mname)
ns1.s-fg-net.de
Admin Email (rname)
domreg@f-i.de
Serial
64
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
1800s

Nameservers (NS)

ns4.s-fg-net.de
ns3.s-fg-net.eu
ns1.s-fg-net.de
ns2.s-fg-net.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.mail.s-web.de include:spf.emma.sparkasse.de ip4:194.55.112.64 ip4:194.55.112.66 ip4:80.146.239.12 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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
  • MS=ms92745850
  • cisco-ci-domain-verification=777f713b4cc27a7ba2fdc1e6bc1dfc6cdcd4f83b291e60831b661d44b29a28c6
  • SPFv=spf1 include:spf.mail.s-web.de include:spf.emma.sparkasse.de ip4:194.55.112.64 ip4:194.55.112.66 ip4:80.146.239.12 -all
  • _cot32dt62ijh074hkoctf40oxqc04re
  • _s462w0r4em7g6tau3ga857cynzbifv6
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