theis-boeger.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
theis-boeger.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 13:41:41 UTC · ↺ Refresh

MX Hostnames

  • mx03.hornetsecurity.com
  • mx02.hornetsecurity.com
  • mx04.hornetsecurity.com
  • mx01.hornetsecurity.com

MX Priorities

  • mx02.hornetsecurity.com: 20
  • mx04.hornetsecurity.com: 40
  • mx03.hornetsecurity.com: 30
  • mx01.hornetsecurity.com: 10

A / AAAA Records

  • 217.160.0.120 ↩ 217-160-0-120.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::279 ↩ 2001-08d8-100f-f000-0000-0000-0000-0279.elastic-ssl.ui-r.com

Mail Server IPs

  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com

SOA Record

Raw SOA ns1083.ui-dns.org hostmaster.1und1.com 2017060144 28800 7200 604800 600
Primary NS (mname)
ns1083.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060144
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1069.ui-dns.com
ns1058.ui-dns.biz
ns1083.ui-dns.org
ns1085.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:185.18.128.162/30 include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

3 records
  • brevo-code:303cb2d731d34ecb5e6ca42507141b21
  • SPFv=spf1 ip4:185.18.128.162/30 include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
  • MS=ms61281607
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