Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
simka.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 03:42:39 UTC · ↺ Refresh
MX Hostnames
- mail.simka.net
MX Priorities
- mail.simka.net: 0
A / AAAA Records
- 38.242.246.181 ↩ vmi2433051.contaboserver.net
Mail Server IPs
- 38.242.246.181 ↩ vmi2433051.contaboserver.net
SOA Record
Raw SOA
bjorn.ns.cloudflare.com dns.cloudflare.com 2394293655 10000 2400 604800 1800
Primary NS (mname)
bjorn.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2394293655
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
bjorn.ns.cloudflare.com
wren.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:38.242.246.181 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 ip4:38.242.246.181 -all
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