Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
svn.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 02:06:58 UTC · ↺ Refresh
MX Hostnames
- dx.spamfree.cz
- ax.virusfree.cz
- bx.virusfree.cz
- cx.spamfree.cz
MX Priorities
- dx.spamfree.cz: 12849
- ax.virusfree.cz: 12801
- bx.virusfree.cz: 12817
- cx.spamfree.cz: 12833
A / AAAA Records
- 37.9.175.211 (no PTR)
- 2a00:4b40:aaaa:2011::5 (no PTR)
Mail Server IPs
- 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
- 89.187.156.46 ↩ bq.virusfree.cz
- 2001:67c:15a2::b1 ↩ bx.virusfree.cz
SOA Record
Raw SOA
ns1.websupport.cz admin.websupport.cz 1773044204 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1773044204
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.websupport.cz
ns3.websupport.eu
ns1.websupport.cz
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.m1.websupport.sk redirect=spfhard.virusfree.cz
📊 DNS lookups: 2/10
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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
3 records- SPFv=spf1 include:_spf.m1.websupport.sk redirect=spfhard.virusfree.cz
- MS=ms52323730
- vnk3frbip04trnai68e7jsde9f.
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