Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dlhnet.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 12:27:42 UTC · ↺ Refresh
MX Hostnames
- mail.dlhnet.de
MX Priorities
- mail.dlhnet.de: 0
A / AAAA Records
- 84.39.110.98 ↩ mailcow.dlhnet.de
Mail Server IPs
- 84.39.110.98 ↩ mailcow.dlhnet.de
- 2a01:b1c0::44ca:22ff:fe9b:798c ↩ mailcow.dlhnet.de
SOA Record
Raw SOA
ns1.opteamax.de hostmaster.opteamax.de 2022071700 14400 3600 1209600 86400
Primary NS (mname)
ns1.opteamax.de
Admin Email (rname)
hostmaster@opteamax.de
Serial
2022071700
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.opteamax.de
ns3.opteamax.de
ns1.opteamax.de
SPF Record
✓ Strict (-all)
v=spf1 a:mx2.opteamax.de ip4:84.39.110.98/32 ip6:2a01:b1c0::44ca:22ff:fe9b:798c/128 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a:mx2.opteamax.de ip4:84.39.110.98/32 ip6:2a01:b1c0::44ca:22ff:fe9b:798c/128 -all
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