Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sdmed.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 08:30:53 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx02.hornetsecurity.com: 20
- mx04.hornetsecurity.com: 40
- mx01.hornetsecurity.com: 10
- mx03.hornetsecurity.com: 30
A / AAAA Records
- 83.138.85.158 ↩ xetafi.han-solo.net
Mail Server IPs
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
pns.dtag.de dns.telekom.de 2025100700 10800 3600 2419200 3600
Primary NS (mname)
pns.dtag.de
Admin Email (rname)
dns@telekom.de
Serial
2025100700
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns1.telekom.net
pns.dtag.de
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:109.69.68.113 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf.u2d.de include:spf-de.emailsignatures365.com include:mail.eventumlive.de include:xetafi.han-solo.net -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; 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
3 records- MS=B6E0378D0233BB6709296F873B0D3FD699C94B0B
- MS=ms32591646
- SPFv=spf1 mx a ip4:109.69.68.113 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf.u2d.de include:spf-de.emailsignatures365.com include:mail.eventumlive.de include:xetafi.han-solo.net -all
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