Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
agj-freiburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 01:53:59 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx01.hornetsecurity.com
- mx02.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 217.160.0.62 ↩ 217-160-0-62.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::22d ↩ 2001-08d8-100f-f000-0000-0000-0000-022d.elastic-ssl.ui-r.com
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
ns3.kundenserver.de hostmaster.kundenserver.de 2016110513 28800 7200 604800 300
Primary NS (mname)
ns3.kundenserver.de
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016110513
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns4.kundenserver.de
ns3.kundenserver.de
SPF Record
✓ Strict (-all)
v=spf1 a a:mailin100.dcpserver.de ip4:217.7.175.80/29 ip4:159.69.92.90 include:spf.dcpserver.de include:turbo-smtp.com include:_spf.kundenserver.de include:spf.protection.outlook.com include:spf.hornetsecurity.com include:agenturserver.de -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._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
4 records- SPFv=spf1 a a:mailin100.dcpserver.de ip4:217.7.175.80/29 ip4:159.69.92.90 include:spf.dcpserver.de include:turbo-smtp.com include:_spf.kundenserver.de include:spf.protection.outlook.com include:spf.hornetsecurity.com include:agenturserver.de -all
- MS=ms72087952
- apple-domain-verification=jg0D4XWQEqzZuMnv
- swisssign-check=La19JoTrzxIHNAZGa2QKlqDqdYo
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