Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jjpenner.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 20:57:01 UTC · ↺ Refresh
MX Hostnames
- mail.swd.ca
MX Priorities
- mail.swd.ca: 10
A / AAAA Records
- 4.206.203.86 (no PTR)
Mail Server IPs
- 199.246.24.108 ↩ mail.swd.ca
SOA Record
Raw SOA
ns1.spelunking.mb.ca admin.spelunking.mb.ca 26 3600 600 604800 5
Primary NS (mname)
ns1.spelunking.mb.ca
Admin Email (rname)
admin@spelunking.mb.ca
Serial
26
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
5s
Nameservers (NS)
ns2.spelunking.mb.ca
ns1.spelunking.mb.ca
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:199.246.24.108/32 a:mail2.swd.ca -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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
1 record- SPFv=spf1 mx ip4:199.246.24.108/32 a:mail2.swd.ca -all
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