ucco.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ucco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 03:38:51 UTC · ↺ Refresh

MX Hostnames

  • ucco-com.mail.protection.outlook.com

MX Priorities

  • ucco-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.18.130.113 (no PTR)
  • 104.18.129.113 (no PTR)

Mail Server IPs

  • 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1579.awsdns-05.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1579.awsdns-05.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1265.awsdns-30.org
ns-1579.awsdns-05.co.uk
ns-497.awsdns-62.com
ns-880.awsdns-46.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:8.24.204.8/29 ip4:8.24.204.16/31 ip4:8.24.204.18/32 ip4:168.245.14.77/32 ip4:168.245.126.209/32 ip4:168.245.121.127/32 ip4:50.31.61.116/32 ip4:198.21.1.78/32 ip4:52.100.0.0/14 ip4:216.80.59.162/27 include:authsmtp.com include:sendgrid.net include:_spf1.mailgun.org include:_spf2.mailgun.org include:_spf.eu.mailgun.org include:spf.protection.outlook.com include:_spf.salesforce.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; ruf=mailto:[email protected]; rua=mailto:[email protected]; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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

3 records
  • MS=ms32843811
  • google-site-verification=hHvv1DAGxK6sVTj5KA6s0pxuEgY7sBVBrQD5spKrKuA
  • SPFv=spf1 ip4:8.24.204.8/29 ip4:8.24.204.16/31 ip4:8.24.204.18/32 ip4:168.245.14.77/32 ip4:168.245.126.209/32 ip4:168.245.121.127/32 ip4:50.31.61.116/32 ip4:198.21.1.78/32 ip4:52.100.0.0/14 ip4:216.80.59.162/27 include:authsmtp.com include:sendgrid.net include:_spf1.mailgun.org include:_spf2.mailgun.org include:_spf.eu.mailgun.org include:spf.protection.outlook.com include:_spf.salesforce.com -all
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