Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
linet.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 20:00:54 UTC · ↺ Refresh
MX Hostnames
- linet-com.mail.protection.outlook.com
MX Priorities
- linet-com.mail.protection.outlook.com: 10
A / AAAA Records
- 92.62.124.75 (no PTR)
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.websupport.cz admin.websupport.cz 1770219214 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1770219214
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.websupport.cz
ns3.websupport.eu
ns1.websupport.cz
SPF Record
✓ Strict (-all)
v=spf1 a:mail.nemosnet.cz a:smtp.sparkpostmail.com include:servers.mcsv.net include:mailkit.eu include:spf.protection.outlook.com include:customerspf.sitecore.net include:aspmx.pardot.com ip4:89.24.124.131/32 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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- SPFv=spf1 a:mail.nemosnet.cz a:smtp.sparkpostmail.com include:servers.mcsv.net include:mailkit.eu include:spf.protection.outlook.com include:customerspf.sitecore.net include:aspmx.pardot.com ip4:89.24.124.131/32 -all
- MS=ms49299172
- rgt1r2fryw8500dsjgtn4styj7mhhnf1
- google-site-verification=FkzYMZN8c19FpYHGg0FTMNi_DZl4vgWk2l1up4FM5y8
- pardot781733=1518a3754a22f1c221e8c60c14f50be847e238dbbb1171b57fab2cfd7caa0534
- fDHNNBTpQIkZkT5Lh/td5I372yNYbYNoavJ5MzoUPOqQGZBlP68SIHZAPWpnlS1PwouVPiNG2mPaAGN0Vmrchw==
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