Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
classicline-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 10:04:45 UTC · ↺ Refresh
MX Hostnames
- mail.classicline-gmbh.de
MX Priorities
- mail.classicline-gmbh.de: 10
A / AAAA Records
- 202.61.233.231 ↩ ae9e7.netcup.net
- 2a03:4000:61:ee1d::23:2548 (no PTR)
Mail Server IPs
- 87.128.22.243 ↩ mail.classicline-gmbh.de
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2026011438 28800 7200 1209600 86400
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2026011438
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
✓ Strict (-all)
v=spf1 ip4:87.128.22.243 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 ip4:87.128.22.243 -all
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