Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stapro.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 03:47:14 UTC · ↺ Refresh
MX Hostnames
- ax.virusfree.cz
- cx.spamfree.cz
- dx.spamfree.cz
- bx.virusfree.cz
MX Priorities
- ax.virusfree.cz: 12801
- bx.virusfree.cz: 12817
- cx.spamfree.cz: 12833
- dx.spamfree.cz: 12849
A / AAAA Records
- 83.167.244.201 ↩ px01.svethostingu.cz
- 83.167.244.202 ↩ px02.svethostingu.cz
- 2a01:430:53::8300:202 (no PTR)
- 2a01:430:53::8300:201 (no PTR)
Mail Server IPs
- 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
- 195.24.76.170 ↩ dq.spamfree.cz
- 2001:67c:15a3::d1 ↩ dx.spamfree.cz
SOA Record
Raw SOA
ns2.ignum.cz root.ignum.eu 2026030403 28800 7200 604800 3600
Primary NS (mname)
ns2.ignum.cz
Admin Email (rname)
root@ignum.eu
Serial
2026030403
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.ignum.eu
ns1.ignum.eu
ns2.ignum.eu
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:62.77.77.0/24 ip4:77.236.205.154/32 ip6:2001:af0:8002:102::3e4d:4d00/120 include:spf.protection.outlook.com include:onmicrosoft.virusfree.cz -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- IEgL409c8IZWvBhZXiGQHEKhf5Nb9bIh03nezAQawSgHz4XrGvpjAD+hWpyOIjcvxNFtjMSCFy+GZJGwVbCx7A==
- google-site-verification=E7XeSxyr-CP8-p3QMkEB8pI6gQ6SHn-1Tc6tC5RdNTo
- SPFv=spf1 mx ip4:62.77.77.0/24 ip4:77.236.205.154/32 ip6:2001:af0:8002:102::3e4d:4d00/120 include:spf.protection.outlook.com include:onmicrosoft.virusfree.cz -all
- Stapro s.r.o. Pardubice Czech republic
- MS=ms78035560
- MS=1903150DF5416E22ECC52C15FCE53A1CB28196DD
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