relmag.cz

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
relmag.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 03:33:33 UTC · ↺ Refresh

MX Hostnames

  • bx.virusfree.cz
  • cx.spamfree.cz
  • ax.virusfree.cz
  • dx.spamfree.cz

MX Priorities

  • bx.virusfree.cz: 817
  • cx.spamfree.cz: 833
  • dx.spamfree.cz: 849
  • ax.virusfree.cz: 801

A / AAAA Records

  • 91.239.200.57 ↩ kocour.thinline.cz
  • 2001:67c:e94::1:5bef:c839:1 ↩ kocour.thinline.cz

Mail Server IPs

  • 89.187.156.46 ↩ bq.virusfree.cz
  • 2001:67c:15a2::b1 ↩ bx.virusfree.cz
  • 195.24.76.170 ↩ dq.spamfree.cz
  • 2001:67c:15a3::d1 ↩ dx.spamfree.cz
  • 31.7.241.24 ↩ ax.virusfree.cz
  • 2001:67c:15a1::a1 ↩ ax.virusfree.cz

SOA Record

Raw SOA ns1.thinline.cz hostmaster.relmag.cz 1533053932 86400 300 604800 1800
Primary NS (mname)
ns1.thinline.cz
Admin Email (rname)
hostmaster@relmag.cz
Serial
1533053932
Refresh
86400s
Retry
300s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns3.cesky-hosting.eu
ns1.thinline.cz
ns2.thinline.cz

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=spfsoft.virusfree.cz
📊 DNS lookups: 1/10

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 redirect=spfsoft.virusfree.cz
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