Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jwc-construction.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 02:26:15 UTC · ↺ Refresh
MX Hostnames
- mail.jwc-construction.ca
MX Priorities
- mail.jwc-construction.ca: 10
A / AAAA Records
- 72.57.103.20 ↩ strontium2.namespro.ca
Mail Server IPs
- 72.57.103.20 ↩ strontium2.namespro.ca
SOA Record
Raw SOA
ns55.namespro.ca gp.poolenet.ca 1770676913 10800 3600 604800 10800
Primary NS (mname)
ns55.namespro.ca
Admin Email (rname)
gp@poolenet.ca
Serial
1770676913
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns55.namespro.ca
ns56.namespro.ca
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
No TXT records found.
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