sstb.de

Valid Email Server
Domain Lookup › sstb.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 13:40:43 UTC · ↺ Refresh

MX Hostnames

  • maildomain.datevnet.com
  • maildomain.datevnet.de

MX Priorities

  • maildomain.datevnet.com: 20
  • maildomain.datevnet.de: 10

A / AAAA Records

  • 217.160.0.14 ↩ 217-160-0-14.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::221 ↩ 2001-08d8-100f-f000-0000-0000-0000-0221.elastic-ssl.ui-r.com

Mail Server IPs

  • 193.27.49.207 ↩ maildomain.datevnet.com
  • 193.27.49.221 ↩ maildomain.datevnet.com
  • 2a00:e50:f155:7::dd ↩ maildomain.datevnet.com
  • 2a00:e50:f155:7::cf ↩ maildomain.datevnet.com
  • 193.27.49.220 ↩ maildomain.datevnet.de
  • 193.27.49.206 ↩ maildomain.datevnet.de
  • 2a00:e50:f155:7::dc ↩ maildomain.datevnet.de
  • 2a00:e50:f155:7::ce ↩ maildomain.datevnet.de

SOA Record

Raw SOA ns1065.ui-dns.org hostmaster.1und1.com 2017060126 28800 7200 604800 600
Primary NS (mname)
ns1065.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060126
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1123.ui-dns.biz
ns1045.ui-dns.com
ns1065.ui-dns.org
ns1091.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 a mx include:maildomain._spf.datev.de include:datevnet._spf.datev.de include:spf.protection.outlook.com include:spf.mxg.cloud -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • MS=ms50922733
  • SPFv=spf1 a mx include:maildomain._spf.datev.de include:datevnet._spf.datev.de include:spf.protection.outlook.com include:spf.mxg.cloud -all
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