Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ext-com.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 06:52:41 UTC · ↺ Refresh
MX Hostnames
- mx04.hornetsecurity.com
- mx01.hornetsecurity.com
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
MX Priorities
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 85.13.167.99 ↩ dd55120.kasserver.com
Mail Server IPs
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
ns1.contabo.net hostmaster.contabo.de 1774680758 10800 3600 604800 3600
Primary NS (mname)
ns1.contabo.net
Admin Email (rname)
hostmaster@contabo.de
Serial
1774680758
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.contabo.net
ns3.contabo.net
ns2.contabo.net
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=ext-com.de.spf.hornetdmarc.com
📊 DNS lookups: 1/10
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
13 records- _1fcqjiosg9egew6zsgxe5vqh106r1pk
- apple-domain-verification=TRHIzpyBdIOfX7Xl
- google-site-verification=uATBD1bslTvyN04Rh2FLcibayfbiwkILbi_59FpgzIM
- _to8h08lbkcfusydc2gddbd01um0telv
- 10b43qkvcf3bzrpb3k3h7x1cv9pyqbm3
- Sendinblue-code:109875d1155e484245b35f6273da2121
- jmdjr6r4l0km6dy2520mndbz9jyfrw51
- atlassian-domain-verification=Pmu3RMcrW9twlkrBYDL33mopcZ36FFvKdnROpFwMi9ubg8pzyyFizDASimLZMcHj
- facebook-domain-verification=sauemouey06z7wci21nkl3en635t48
- MS=ms13192372
- 83nzdmzszlhl20vd1j2tf7s126kg2ts6
- SPFv=spf1 redirect=ext-com.de.spf.hornetdmarc.com
- bw=jIAIcZkXhk5xkjpLSUXdWP9FjjRCojPKy2K9GaETLUjt
Full email verification for ext-com.de
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