Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mzp.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 02:17:02 UTC · ↺ Refresh
MX Hostnames
- mx1.mzp.cz
- mx2.mzp.cz
MX Priorities
- mx1.mzp.cz: 5
- mx2.mzp.cz: 10
A / AAAA Records
- 193.84.245.35 (no PTR)
- 2001:af0:8001:2e2e::35 (no PTR)
Mail Server IPs
- 23.90.110.118 ↩ esa1.hc1982-32.eu.iphmx.com
- 23.90.105.186 ↩ esa2.hc1982-32.eu.iphmx.com
- 2620:101:2012:300::20 ↩ esa2.hc1982-32.eu.iphmx.com
- 2620:101:2011:300::21 ↩ esa1.hc1982-32.eu.iphmx.com
SOA Record
Raw SOA
ns.env.cz hostmaster.env.cz 2026010987 10800 3600 3600000 86400
Primary NS (mname)
ns.env.cz
Admin Email (rname)
hostmaster@env.cz
Serial
2026010987
Refresh
10800s
Retry
3600s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns.env.cz
ns2.gts.cz
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.env.cz include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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
4 records- MS=ms27432336
- SPFv=spf1 include:_spf.env.cz include:spf.protection.outlook.com -all
- MS=A776DBE49127172E06C00D7091C4880BDA8511B7
- cisco-ci-domain-verification=bb2117ccb9d8b9a0fbe7206efc83186b427c4e90c0ecd593cfc389fff0ff0e
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