Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
chrisdundas.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 20:16:53 UTC · ↺ Refresh
MX Hostnames
- m3-az-mx201.srvr.media3.us
MX Priorities
- m3-az-mx201.srvr.media3.us: 30
A / AAAA Records
- 20.10.212.212 ↩ m3-az-cf231.srvr.media3.us
Mail Server IPs
- 52.179.234.59 ↩ m3-az-mx201.srvr.media3.us
SOA Record
Raw SOA
ns75.worldnic.com namehost.worldnic.com 124081516 10800 3600 604800 3600
Primary NS (mname)
ns75.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
124081516
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns75.worldnic.com
ns76.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.media3.us ~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
1 record- SPFv=spf1 a mx include:spf.media3.us ~all
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