Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cullumdrywallsystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 04:17:31 UTC · ↺ Refresh
MX Hostnames
- cullumdrywallsystems-com.mail.protection.outlook.com
MX Priorities
- cullumdrywallsystems-com.mail.protection.outlook.com: 0
A / AAAA Records
- 65.181.111.23 ↩ s822.use1.mysecurecloudhost.com
Mail Server IPs
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.meganameservers.com postmaster.meganameservers.com 2024090618 86400 86400 3600000 86400
Primary NS (mname)
ns1.meganameservers.com
Admin Email (rname)
postmaster@meganameservers.com
Serial
2024090618
Refresh
86400s
Retry
86400s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns3.meganameservers.com
ns2.meganameservers.com
ns1.meganameservers.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf-westus.emailsignatures365.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ 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
2 records- SPFv=spf1 include:spf-westus.emailsignatures365.com include:spf.protection.outlook.com ~all
- MS=ms50818452
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