checkinsystem.cz

Disposable Domain
Domain Lookup › checkinsystem.cz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
checkinsystem.cz
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 03:10:27 UTC · ↺ Refresh

MX Hostnames

  • mail.parktons.com

MX Priorities

  • mail.parktons.com: 10

A / AAAA Records

  • 78.141.227.75 ↩ 78.141.227.75.vultrusercontent.com

Mail Server IPs

  • 155.138.212.151 ↩ 155.138.212.151.vultrusercontent.com

SOA Record

Raw SOA ns.parktons.com root.parktons.com 2617179285 86400 7200 1209600 1800
Primary NS (mname)
ns.parktons.com
Admin Email (rname)
root@parktons.com
Serial
2617179285
Refresh
86400s
Retry
7200s
Expire
1209600s
Minimum TTL
1800s

Nameservers (NS)

alpha1.rdrhost.com
alpha2.rdrhost.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim

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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