Domain Overview
DNS: ✓ 7h ago
Checker: ✓ 7h ago
resistine.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-02 11:18:31 UTC · ↺ Refresh
MX Hostnames
- mail.gigaserver.cz
MX Priorities
- mail.gigaserver.cz: 50
A / AAAA Records
- 104.21.23.251 (no PTR)
- 172.67.214.187 (no PTR)
- 2606:4700:3035::6815:17fb (no PTR)
- 2606:4700:3031::ac43:d6bb (no PTR)
Mail Server IPs
- 185.66.36.222 ↩ mail.gigaserver.cz
SOA Record
Raw SOA
naomi.ns.cloudflare.com dns.cloudflare.com 2407657712 10000 2400 604800 1800
Primary NS (mname)
naomi.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2407657712
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
osmar.ns.cloudflare.com
naomi.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:smtp-gw.gigaserver.cz ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=ceXXQ0Z_CavU-9-JvBhgsuQr0lRyH0SLm6sTqKF8b7o
- google-site-verification=wqI1Jv_Y8moy9llRVlzCmairlU-C-DydT6QxRf7n4pM
- SPFv=spf1 mx a include:smtp-gw.gigaserver.cz ~all
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