Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
express-regensburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 03:25:37 UTC · ↺ Refresh
MX Hostnames
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
- mx01.hornetsecurity.com
MX Priorities
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
- mx04.hornetsecurity.com: 40
- mx01.hornetsecurity.com: 10
A / AAAA Records
- 62.153.239.228 (no PTR)
Mail Server IPs
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026011400 86400 10800 3600000 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026011400
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.first-ns.de
robotns2.second-ns.de
robotns3.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com ip4:62.153.239.232 include:spf_3a.oracleindustry.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- MS=ms21251881
- amazon-business-verification=dba67eb662b27ba843f33550046f48282b984e43e93151089a393920e9c512f8
- apple-domain-verification=rWjVE9ciiFAh2GCu
- SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com ip4:62.153.239.232 include:spf_3a.oracleindustry.com -all
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