fz-u.de

Valid Email Server
Domain Lookup › fz-u.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fz-u.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-28 10:19:09 UTC · ↺ Refresh

MX Hostnames

  • mx01.connectline.de

MX Priorities

  • mx01.connectline.de: 10

A / AAAA Records

  • 212.122.43.46 ↩ ssl.connectline.de

Mail Server IPs

  • 212.122.43.170 ↩ metis-ng.rz1.connectline.net
  • 2a02:238:f002::170 ↩ metis-ng.rz1.connectline.net

SOA Record

Raw SOA ns1.connectline.de domservice.connectline.de 2021033002 10800 1800 604800 86400
Primary NS (mname)
ns1.connectline.de
Admin Email (rname)
domservice@connectline.de
Serial
2021033002
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.connectline.de
ns1.connectline.de

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

1 record
  • MS=ms79845216
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