fehrmann.de

Valid Email Server
Domain Lookup › fehrmann.de

Domain Overview

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

Checked via [email protected] · 2026-03-26 20:58:13 UTC · ↺ Refresh

MX Hostnames

  • mailrelay.nethinks.com

MX Priorities

  • mailrelay.nethinks.com: 5

A / AAAA Records

  • 185.243.11.133 ↩ rw0b85.webhosting.systems
  • 2a03:4000:2c:715:18:7657::2 ↩ rw0b85.webhosting.systems

Mail Server IPs

  • 212.218.18.102 ↩ mailrelay01.fd2.nethinks.com
  • 2001:4cd8:1:a001::66 (no PTR)

SOA Record

Raw SOA dns9.nethinks.com hosting.nethinks.com 2026032600 3600 1800 1209600 86400
Primary NS (mname)
dns9.nethinks.com
Admin Email (rname)
hosting@nethinks.com
Serial
2026032600
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

dns10.nethinks.com
dns9.nethinks.com

SPF Record

✓ Strict (-all)
v=spf1 +a +mx +ip4:212.218.193.6 +ip4:212.218.193.67 +a:mail.fehrmann.de +ip4:185.243.11.133 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 +a +mx +ip4:212.218.193.6 +ip4:212.218.193.67 +a:mail.fehrmann.de +ip4:185.243.11.133 -all
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