online.de

Valid Email Server
Domain Lookup › online.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
online.de
Yes
✓ Yes
Unknown
No
Yes
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 07:47:46 UTC · ↺ Refresh

MX Hostnames

  • mx01.emig.kundenserver.de
  • mx00.emig.kundenserver.de

MX Priorities

  • mx00.emig.kundenserver.de: 10
  • mx01.emig.kundenserver.de: 10

A / AAAA Records

  • 212.227.0.72 (no PTR)

Mail Server IPs

  • 212.227.15.40 ↩ mx00.emig.kundenserver.de
  • 217.72.192.66 ↩ mx01.emig.kundenserver.de

SOA Record

Raw SOA ns1023.ui-dns.de hostmaster.1und1.com 2017098410 28800 7200 604800 600
Primary NS (mname)
ns1023.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017098410
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1073.ui-dns.biz
ns1023.ui-dns.de
ns1077.ui-dns.com
ns1049.ui-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.kundenserver.de ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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

8 records
  • s42582890._domainkey.oneline.de
  • q42582890._domainkey.oneline.de
  • google-site-verification=-qyKhlvoCAobDl5fnThGnSTo8q7JHtEJl101AGQ4v5g
  • SPFv=spf1 include:_spf.kundenserver.de ~all
  • _d8ji46k36r3rhc44pcxcaxvhq3o0ygo
  • _iyf7q3dh50i2cd6hk1eehxwsn0i5tvv
  • hl7mv5qkd1bj28xmc7qknxlp9p0gpvrt
  • pg2jcc97ckl2647yh3c76pc1m0hlxqlv
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