Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
felixhorn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 16:30:37 UTC · ↺ Refresh
MX Hostnames
- hornox.net
MX Priorities
- hornox.net: 10
A / AAAA Records
- 152.53.149.2 ↩ hornox.net
Mail Server IPs
- 152.53.149.2 ↩ hornox.net
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2025101608 28800 7200 1209600 600
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2025101608
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
second-dns.netcup.net
third-dns.netcup.net
root-dns.netcup.net
SPF Record
✓ Strict (-all)
v=spf1 a -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a -all
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