Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
domainsunder.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 03:52:46 UTC · ↺ Refresh
MX Hostnames
- domainsunder.com
MX Priorities
- domainsunder.com: 0
A / AAAA Records
- 66.209.180.47 ↩ server16.domainsunder.ca
Mail Server IPs
- 66.209.180.47 ↩ server16.domainsunder.ca
SOA Record
Raw SOA
ns66.domainsunder.ca root.server16.domainsunder.ca 2026020701 3600 1800 1209600 86400
Primary NS (mname)
ns66.domainsunder.ca
Admin Email (rname)
root@server16.domainsunder.ca
Serial
2026020701
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns10.domainsunder.ca
ns66.domainsunder.ca
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:66.209.180.47 +a +mx +ip4:23.111.71.200 +ip4:67.231.19.30 +ip4:104.193.173.56 +ip4:104.193.173.57 +ip4:104.206.168.135 +ip4:23.90.5.221 +ip4:204.209.44.220 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:66.209.180.47 +a +mx +ip4:23.111.71.200 +ip4:67.231.19.30 +ip4:104.193.173.56 +ip4:104.193.173.57 +ip4:104.206.168.135 +ip4:23.90.5.221 +ip4:204.209.44.220 ~all
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