Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gukom.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 05:37:41 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx04.hornetsecurity.com: 40
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
A / AAAA Records
- 217.160.0.146 ↩ 217-160-0-146.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::285 ↩ 2001-08d8-100f-f000-0000-0000-0000-0285.elastic-ssl.ui-r.com
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
SOA Record
Raw SOA
ns1125.ui-dns.com hostmaster.1und1.de 2017061345 28800 7200 604800 300
Primary NS (mname)
ns1125.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2017061345
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1125.ui-dns.de
ns1125.ui-dns.org
ns1125.ui-dns.biz
ns1125.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:_spf.zimpel.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
default._domainkey
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:_spf.zimpel.de ~all
- google-site-verification=SdKypNd_6yfwGlgK1UCQIUQ7luzRjpMZX6PJTD-9RnM
- v=verifydomain MS=8526058
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