fortex-ags.cz

Valid Email Server
Domain Lookup › fortex-ags.cz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fortex-ags.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 02:20:49 UTC · ↺ Refresh

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MX Hostnames

  • mail2.usovsko.cz
  • proxy.fortex-ags.cz
  • relay.contactel.cz
  • mail.fortex.cz

MX Priorities

  • mail.fortex.cz: 20
  • proxy.fortex-ags.cz: 25
  • relay.contactel.cz: 100
  • mail2.usovsko.cz: 10

A / AAAA Records

  • 37.9.175.213 (no PTR)
  • 2a00:4b40:aaaa:2011::5 (no PTR)

Mail Server IPs

  • 88.103.226.5 ↩ 88-103-226-5.rci.o2.cz
  • 37.9.175.211 (no PTR)
  • 2a00:4b40:aaaa:2011::6 (no PTR)
  • 193.85.201.247 ↩ bb-prg.eunet.cz
  • 85.163.234.242 ↩ mail2.usovsko.cz

SOA Record

Raw SOA ns1.websupport.cz admin.websupport.cz 1764159158 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1764159158
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

ns2.websupport.cz
ns3.websupport.eu
ns1.websupport.cz

SPF Record

✓ Strict (-all)
v=spf1 MX ptr IP4:85.163.234.242 include:_spf.m1.websupport.sk -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

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

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

All TXT Records

1 record
  • SPFv=spf1 MX ptr IP4:85.163.234.242 include:_spf.m1.websupport.sk -all
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