Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hamburgnet.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 15:36:58 UTC · ↺ Refresh
MX Hostnames
- mail.hamburgnet.de
MX Priorities
- mail.hamburgnet.de: 10
A / AAAA Records
- 185.8.10.77 (no PTR)
Mail Server IPs
- 185.8.10.75 ↩ mail.hamburgnet.de
SOA Record
Raw SOA
a.ns.hamburgnet.de tech.hamburgnet.de 3070130862 3600 900 1209600 1800
Primary NS (mname)
a.ns.hamburgnet.de
Admin Email (rname)
tech@hamburgnet.de
Serial
3070130862
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
c.ns.hamburgnet.de
a.ns.hamburgnet.de
b.ns.hamburgnet.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:185.8.10.75 include:spf.protection.outlook.com include:spf.crsend.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 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
2 records- SPFv=spf1 mx ip4:185.8.10.75 include:spf.protection.outlook.com include:spf.crsend.com -all
- MS=ms69074834
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