Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mjkconstruction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 17:46:53 UTC · ↺ Refresh
MX Hostnames
- mjkconstruction-com.mail.protection.outlook.com
MX Priorities
- mjkconstruction-com.mail.protection.outlook.com: 10
A / AAAA Records
- 167.172.115.127 ↩ 382701.cloudwaysapps.com
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.worldnic.com namehost.worldnic.com 126031712 10800 3600 604800 3600
Primary NS (mname)
ns1.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031712
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.worldnic.com
ns2.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:208.82.141.199 ip4:208.82.141.73 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- duo_sso_verification=Ap7n5OVTXAONLCt0o5nUYQWP25YKeulwSNQ6Kn1DGRsMUG4NSyfgX8q1hJ5KYStN
- ppe-095cb8033eb90d4ac0ead661ddb301d6e1ef8f6c
- apple-domain-verification=5yxGNTa6zJukYU7c
- SPFv=spf1 include:spf.protection.outlook.com ip4:208.82.141.199 ip4:208.82.141.73 -all
- MS=ms36212848
Full email verification for mjkconstruction.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits