Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cheb.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 03:10:18 UTC · ↺ Refresh
MX Hostnames
- cx.spamfree.cz
- bx.virusfree.cz
- dx.spamfree.cz
- ax.virusfree.cz
MX Priorities
- cx.spamfree.cz: 12833
- dx.spamfree.cz: 12849
- ax.virusfree.cz: 12801
- bx.virusfree.cz: 12817
A / AAAA Records
- 78.156.158.199 ↩ webhouse.cz
- 2a00:d940::3:0:0:0:199 ↩ webhouse.cz
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.sk admin.websupport.sk 1771420357 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.sk
Admin Email (rname)
admin@websupport.sk
Serial
1771420357
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns3.websupport.sk
ns1.websupport.sk
ns2.websupport.sk
SPF Record
✓ Strict (-all)
v=spf1 include:spfhard.virusfree.cz include:spf.protection.outlook.com ip4:77.104.245.59 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
8 records- ppe-63c22ca7986e4e99445c83f994ed252dc4ba3b06
- domain-verification=xfLbYSC9GvrV87Og1J4YSFsAKGnJ6xkRRSiCUcaEp2ZeYKUzqX
- ROxUnqfXUEKNN8W+CNi3q5CYT0r5f4sdgP99Wbo4a8yk+LlU9bcbyj4LCvzW3j93HGWPtEkxOMlAACBoSZHUpQ==
- SPFv=spf1 include:spfhard.virusfree.cz include:spf.protection.outlook.com ip4:77.104.245.59 -all
- MS=ms49453489
- MS=ms54965572
- MS=ms88645834
- MS=EDB8E8F230EDFFDB880D2147A76143C73A04709B
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