Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hno-zentrum-frankfurt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 19:08:58 UTC · ↺ Refresh
MX Hostnames
- mail.hno-doktor.de
MX Priorities
- mail.hno-doktor.de: 100
A / AAAA Records
- 83.138.88.99 ↩ kurulu.han-solo.net
Mail Server IPs
- 80.151.21.157 ↩ mail.hno-doktor.de
- 2003:a:147f:959d:250:56ff:fe9f:71dd ↩ mail.hno-doktor.de
SOA Record
Raw SOA
ns81.domaincontrol.com dns.jomax.net 2026011601 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026011601
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns82.domaincontrol.com
ns81.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ 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
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx -all
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