Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
renei.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 06:24:47 UTC · ↺ Refresh
MX Hostnames
- mail.svethostingu.cz
MX Priorities
- mail.svethostingu.cz: 10
A / AAAA Records
- 83.167.244.201 ↩ px01.svethostingu.cz
- 83.167.244.202 ↩ px02.svethostingu.cz
Mail Server IPs
- 77.93.218.4 ↩ smtp-gw1.svethostingu.cz
- 212.158.159.120 ↩ smtp-gw2.svethostingu.cz
SOA Record
Raw SOA
ns1.svethostingu.cz dnsmaster.svethostingu.cz 2018092101 14400 3600 1209600 300
Primary NS (mname)
ns1.svethostingu.cz
Admin Email (rname)
dnsmaster@svethostingu.cz
Serial
2018092101
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns3.svethostingu.eu
ns2.svethostingu.cz
ns1.svethostingu.cz
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
No TXT records found.
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