Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nrm-netzdienste.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 04:32:37 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx01.hornetsecurity.com
- mx02.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
- mx04.hornetsecurity.com: 40
- mx03.hornetsecurity.com: 30
A / AAAA Records
- 194.127.225.54 (no PTR)
Mail Server IPs
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
ns.mainova.de soc.mainova.de 2012125079 14400 1800 604800 600
Primary NS (mname)
ns.mainova.de
Admin Email (rname)
soc@mainova.de
Serial
2012125079
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns2.mainova.de
b.ns14.net
ns.mainova.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:194.127.224.0/24 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=s; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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 mx ip4:194.127.224.0/24 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.hornetsecurity.com -all
- atlassian-domain-verification=HpaCgHXPaswNnsHhqIOVSazhLoFKXAu6VXTdapr5UI6acAag5g2Qqz4KdNfEzfDR
- miro-verification=33cfdbd3c33b267d77074cfd6e2a7c4ea8281f84
- cisco-ci-domain-verification=5965ed6aad8f38e6f569463592750a6ee7d56f9873a8c4e456f3a3cd54079e4b
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