Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ucx.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 02:02:26 UTC · ↺ Refresh
MX Hostnames
- ucx-com.mail.protection.outlook.com
MX Priorities
- ucx-com.mail.protection.outlook.com: 0
A / AAAA Records
- 159.89.32.185 ↩ ucx.com
Mail Server IPs
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns55.worldnic.com namehost.worldnic.com 125123008 10800 3600 604800 3600
Primary NS (mname)
ns55.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125123008
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns56.worldnic.com
ns55.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:8.28.3.0/24 ip4:40.142.53.164 ip4:40.142.53.177 ip4:50.236.114.90 ip4:208.255.88.148 include:spf-us.emailsignatures365.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:mailgun.org -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
4 records- MS=ms12615649
- SPFv=spf1 ip4:8.28.3.0/24 ip4:40.142.53.164 ip4:40.142.53.177 ip4:50.236.114.90 ip4:208.255.88.148 include:spf-us.emailsignatures365.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:mailgun.org -all
- ZOOM_verify_lLjY5Ztb9db6CvESVPGCbR
- knowbe4-site-verification=09ce9328a3fdd8b93ee2623ba8068b93
Full email verification for ucx.com
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