Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
clarkbuilders.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 15:03:35 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 199.60.103.22 (no PTR)
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns1.webnames.ca postmaster.webnames.ca 1758820126 10800 180 1209600 3600
Primary NS (mname)
ns1.webnames.ca
Admin Email (rname)
postmaster@webnames.ca
Serial
1758820126
Refresh
10800s
Retry
180s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.webnames.ca
ns3.webnames.ca
ns2.webnames.ca
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:66.244.217.160/27 include:cmail1.com include:us._netblocks.mimecast.com include:_spf.salesforce.com include:spf.salesforce.com include:22637921.spf06.hubspotemail.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- google-site-verification=lZUvVm5dNIK7k1eaM5YZbedH1fbdY6uZ9OmErBZIpu8
- ZOOM_verify_5dzMjSztS2q-4BNBBQA4qw
- knowbe4-site-verification=2b66e91430f5450ba0230585983054a1
- iqIt4lfR8gdfS5SO2MkLSn2FxoEBhiQto8/PfR6UUVRGyWSeg9hTIbJjQErEK2u1YHrauMcnET19erXzOucjMQ==
- google-site-verification=bmLnxd1dWmmUxgViG5zX2l3ZviEI81Um4FEv-lX9Hvg
- MS=ms30215290
- docusign=0d81cb8a-a319-4004-8b6d-b83be3ee83aa
- openai-domain-verification=dv-pCWzjcB01L52QVFdDzCUv9JG
- miro-verification=f44211d1438b19dfba16109e8f2da67b68ee273f
- _s9f6rxj9gakr0zaanxv9alcvfiiz2po
- _6ai17nofjdtjpzdtwdt9eu4ly5jmi9y
- IGg/QSYJWRaTuC/vcBInULr0Uc+xTbIjYLinC+DGWW+E+7oebrkZS4jm6n+ZzjYrn+timDM2glUQ7q/gOxLlEA==
- SPFv=spf1 ip4:66.244.217.160/27 include:cmail1.com include:us._netblocks.mimecast.com include:_spf.salesforce.com include:spf.salesforce.com include:22637921.spf06.hubspotemail.net ~all
Full email verification for clarkbuilders.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits