Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nexttel.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 13:26:40 UTC · ↺ Refresh
MX Hostnames
- server52.de
- mail.server52.de
MX Priorities
- server52.de: 10
- mail.server52.de: 11
A / AAAA Records
- 24.134.59.125 ↩ server52.de
- 2a02:8106:264:9b00::1 ↩ server52.de
Mail Server IPs
- 24.134.59.125 ↩ server52.de
- 2a02:8106:264:9b00::1 ↩ server52.de
SOA Record
Raw SOA
ns1018.ui-dns.com hostmaster.1und1.com 2017060103 28800 7200 604800 600
Primary NS (mname)
ns1018.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060103
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1027.ui-dns.de
ns1018.ui-dns.com
ns1041.ui-dns.biz
ns1114.ui-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:server52.de ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=20; adkim=r; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
⚠ Policy applies to 20% of failing messages only
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
2 records- SPFv=spf1 mx include:server52.de ?all
- 6Dm6McHVAl6RYqpNO62W
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