lbst.de

Valid Email Server
Domain Lookup › lbst.de

Domain Overview

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

Checked via [email protected] · 2026-03-25 00:02:17 UTC · ↺ Refresh

MX Hostnames

  • sw2.btw-cloud.de

MX Priorities

  • sw2.btw-cloud.de: 10

A / AAAA Records

  • 217.160.0.42 ↩ 217-160-0-42.elastic-ssl.ui-r.com

Mail Server IPs

  • 178.63.206.27 ↩ sw2.btw-cloud.de

SOA Record

Raw SOA ns1034.ui-dns.org hostmaster.1und1.de 2017053048 28800 7200 604800 300
Primary NS (mname)
ns1034.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2017053048
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1034.ui-dns.de
ns1034.ui-dns.org
ns1034.ui-dns.com
ns1034.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
  • sophos-domain-verification=abfe8d2a444a97a91b79a41b12976d932349bce41ac6221e3e3f101bc57c7b39
  • SPFv=spf1 include:spf.protection.outlook.com -all
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