Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
unitedconst.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 03:02:19 UTC · ↺ Refresh
MX Hostnames
- unitedconst-com.mail.protection.outlook.com
MX Priorities
- unitedconst-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.215.218.144 ↩ 6858921.jajo.agency
Mail Server IPs
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns35.worldnic.com namehost.worldnic.com 125121715 10800 3600 604800 3600
Primary NS (mname)
ns35.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121715
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns35.worldnic.com
ns36.worldnic.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
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- ms=ms73381143
- SPFv=spf1 include:spf.protection.outlook.com -all
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