Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cmegconstruction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 23:23:55 UTC · ↺ Refresh
MX Hostnames
- cmegconstruction-com.mail.protection.outlook.com
MX Priorities
- cmegconstruction-com.mail.protection.outlook.com: 0
A / AAAA Records
- 52.37.217.244 ↩ ec2-52-37-217-244.us-west-2.compute.amazonaws.com
- 52.37.218.59 ↩ ec2-52-37-218-59.us-west-2.compute.amazonaws.com
Mail Server IPs
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns51.1and1.com hostmaster.1and1.com 2016040412 28800 7200 604800 300
Primary NS (mname)
ns51.1and1.com
Admin Email (rname)
hostmaster@1and1.com
Serial
2016040412
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns52.1and1.com
ns51.1and1.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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.protection.outlook.com -all
- MS=ms61061019
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