dfkgt.de

Valid Email Server
Domain Lookup › dfkgt.de

Domain Overview

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

Checked via [email protected] · 2026-04-03 13:46:54 UTC · ↺ Refresh

MX Hostnames

  • mx2.core-networks.eu
  • mx3.core-networks.com
  • mx1.core-networks.de

MX Priorities

  • mx2.core-networks.eu: 20
  • mx3.core-networks.com: 30
  • mx1.core-networks.de: 10

A / AAAA Records

  • 85.215.223.10 (no PTR)

Mail Server IPs

  • 194.213.5.212 ↩ mx2.core-networks.de
  • 2001:1bc0:d::2:12 ↩ mx2.core-networks.de
  • 82.96.72.7 ↩ mail.core-networks.de
  • 2001:1bc0:d::4:9 ↩ mail.core-networks.de

SOA Record

Raw SOA ns1.core-networks.de hostmaster.core-networks.de 2024092306 28800 7200 604800 86400
Primary NS (mname)
ns1.core-networks.de
Admin Email (rname)
hostmaster@core-networks.de
Serial
2024092306
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.core-networks.de
ns2.core-networks.eu
ns3.core-networks.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spf.core-networks.de include:continum.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

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

All TXT Records

2 records
  • google-site-verification=zhYb_hSEb8MmrAWiUz1K1_X662AUwTV1-AMQ1xi9Vp0
  • SPFv=spf1 a mx include:spf.core-networks.de include:continum.net ~all
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