Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
h39.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 13:31:06 UTC · ↺ Refresh
MX Hostnames
- mail.h39.de
- mx2f50.netcup.net
MX Priorities
- mx2f50.netcup.net: 50
- mail.h39.de: 10
A / AAAA Records
- 188.68.47.78 ↩ a2f4e.netcup.net
- 2a03:4000:30:6a80::12:7367 (no PTR)
Mail Server IPs
- 188.68.47.80 ↩ mx2f50.netcup.net
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2024111333 28800 7200 1209600 86400
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2024111333
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
third-dns.netcup.net
second-dns.netcup.net
root-dns.netcup.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:_spf.webhosting.systems ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a include:_spf.webhosting.systems ~all
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