Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
elixirstudio.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 23:59:32 UTC · ↺ Refresh
MX Hostnames
- mailin2.elixirstudio.cz
- mailin1.elixirstudio.cz
MX Priorities
- mailin1.elixirstudio.cz: 10
- mailin2.elixirstudio.cz: 100
A / AAAA Records
- 52.28.24.127 ↩ ec2-52-28-24-127.eu-central-1.compute.amazonaws.com
Mail Server IPs
- 45.13.137.109 ↩ m1-u5-mx.websupport.sk
- 2a00:4b40:aaaa:2101:45:13:137:111 (no PTR)
- 45.13.137.114 ↩ m1-u7-mx.websupport.hu
- 2a00:4b40:aaaa:2101:45:13:137:104 ↩ mx20.websupport.cz
SOA Record
Raw SOA
ns1.websupport.cz admin.websupport.cz 1764544374 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1764544374
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.websupport.cz
ns3.websupport.eu
ns1.websupport.cz
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.smartemailing.cz include:clevermonitor.net include:_spf.m1.websupport.sk ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:spf.smartemailing.cz include:clevermonitor.net include:_spf.m1.websupport.sk ~all
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