Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tf-network.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 02:12:09 UTC · ↺ Refresh
MX Hostnames
- mx3.tf-network.de
MX Priorities
- mx3.tf-network.de: 10
A / AAAA Records
- 93.186.202.221 ↩ yamato.tf-network.de
- 2001:4ba0:ffa0:1b::221 ↩ yamato.tf-network.de
Mail Server IPs
- 93.186.202.221 ↩ yamato.tf-network.de
- 2001:4ba0:ffa0:1b::221 ↩ yamato.tf-network.de
SOA Record
Raw SOA
ns1.derserverraum.de hostmaster.tf-network.de 1773769803 16384 2048 1209600 2560
Primary NS (mname)
ns1.derserverraum.de
Admin Email (rname)
hostmaster@tf-network.de
Serial
1773769803
Refresh
16384s
Retry
2048s
Expire
1209600s
Minimum TTL
2560s
Nameservers (NS)
ns3.derserverraum.de
ns1.derserverraum.de
ns2.derserverraum.de
SPF Record
✓ Strict (-all)
v=spf1 a ip4:217.79.214.250 include:_spf.derserverraum.de include:x-mailer.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=s; aspf=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo 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
5 records- _globalsign-domain-verification=lBR8_lS3zcRILlx5hlAKta99JYM7OC_RWGXzAkNcH0
- apple-domain-verification=HlLGvcHgni3P7rTMywmBCWJXigVft9ZBX3bBbVbXl3E
- google-site-verification=87uyxLd-DmD6344mstmDnm43fc42XfdD_BLC1wQST00
- SPFv=spf1 a ip4:217.79.214.250 include:_spf.derserverraum.de include:x-mailer.de -all
- google-site-verification=AVCRHu8lNNdxW_73WxJBAJn-zwxxQK7b2ytx-Plc0PI
Full email verification for tf-network.de
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