ftk.de

Valid Email Server
Domain Lookup › ftk.de

Domain Overview

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

Checked via [email protected] · 2026-04-02 08:45:17 UTC · ↺ Refresh

MX Hostnames

  • mailx.ftk.de
  • mail2.ftk.de

MX Priorities

  • mailx.ftk.de: 10
  • mail2.ftk.de: 20

A / AAAA Records

  • 78.47.213.233 ↩ fountain.webservices.ftk.de

Mail Server IPs

  • 188.40.135.30 ↩ mailx.ftk.de
  • 144.76.6.198 ↩ mail2.ftk.de

SOA Record

Raw SOA ns1.first-ns.de dns.hetzner.com 2026032508 14400 1800 604800 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026032508
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

robotns3.second-ns.com
ns1.first-ns.de
robotns2.second-ns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:horizonsmile.eu ip4:188.40.135.22 ip4:78.47.213.232/29 ip4:93.184.132.24 ip4:188.40.135.35 ip4:88.198.254.160/29 ip4:144.76.6.198 ip4:136.243.239.216/29 ip4:136.243.17.73 ip4:188.40.135.36 ip4:188.40.135.37 ip4:188.245.227.162 ip6:2a01:4f8:c013:71c3::1 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=none; pct=100; ri=86400; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

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

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

All TXT Records

4 records
  • SPFv=spf1 mx include:horizonsmile.eu ip4:188.40.135.22 ip4:78.47.213.232/29 ip4:93.184.132.24 ip4:188.40.135.35 ip4:88.198.254.160/29 ip4:144.76.6.198 ip4:136.243.239.216/29 ip4:136.243.17.73 ip4:188.40.135.36 ip4:188.40.135.37 ip4:188.245.227.162 ip6:2a01:4f8:c013:71c3::1 ~all
  • MS=ms51476864
  • google-site-verification=FJk9IOKqJiFDn5f_0LajW0kgScHzwZ7IMkUfrz2C71w
  • google-site-verification=yKFHE1fVe6yohML-I-YBGmtG6Jf_eZlD2JYY2PH2MVA
Full email verification for ftk.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits