s-os.de

Valid Email Server
Domain Lookup › s-os.de

Domain Overview

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

Checked via [email protected] · 2026-03-25 01:59:44 UTC · ↺ Refresh

MX Hostnames

  • r01es.mail.s-web.de
  • r02es.mail.s-web.de
  • q02es.mail.s-web.de
  • q01es.mail.s-web.de

MX Priorities

  • r01es.mail.s-web.de: 10
  • q02es.mail.s-web.de: 10
  • q01es.mail.s-web.de: 10
  • r02es.mail.s-web.de: 10

A / AAAA Records

  • 62.181.151.53 (no PTR)

Mail Server IPs

  • 62.181.146.48 ↩ r01es.mail.s-web.de
  • 62.181.146.47 ↩ q02es.mail.s-web.de
  • 62.181.146.46 ↩ q01es.mail.s-web.de
  • 62.181.146.49 ↩ r02es.mail.s-web.de

SOA Record

Raw SOA ns1.s-fg-net.de domreg.f-i.de 68 10800 3600 2419200 1800
Primary NS (mname)
ns1.s-fg-net.de
Admin Email (rname)
domreg@f-i.de
Serial
68
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
1800s

Nameservers (NS)

ns4.s-fg-net.de
ns1.s-fg-net.de
ns2.s-fg-net.com
ns3.s-fg-net.eu
ns5.s-fg-net.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.mail.s-web.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ 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

7 records
  • cisco-ci-domain-verification=580bb52c7bc0d4364fbbbdba33420380cb8549b7abc948009c351f16cc976114
  • _qo3tsawta642lrnlapdld0cg0cri32y
  • _a81difzzdxc2ykd34uh8zwh701qxfnf
  • adobe-idp-site-verification=7f90187d9a09b9d6131b318725bf0dc3d27b0737767d213ac206546508bd56a8
  • SPFv=spf1 include:spf.mail.s-web.de -all
  • _xv015jbhnwrtc9y532noke6tdpo8acg
  • _jmywn97mdopfbevko1zzudwt8b985f2
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