umc.com

Valid Email Server
Domain Lookup › umc.com

Domain Overview

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

Checked via [email protected] · 2026-03-21 01:51:23 UTC · ↺ Refresh

MX Hostnames

  • dns.umc.com
  • mxa.umc.com

MX Priorities

  • mxa.umc.com: 40
  • dns.umc.com: 50

A / AAAA Records

  • 104.18.24.116 (no PTR)
  • 104.18.25.116 (no PTR)

Mail Server IPs

  • 203.66.246.68 ↩ mxa.umc.com
  • 203.66.246.1 ↩ dns.umc.com

SOA Record

Raw SOA michael.ns.cloudflare.com dns.cloudflare.com 2399395135 10000 2400 604800 1800
Primary NS (mname)
michael.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399395135
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

pam.ns.cloudflare.com
michael.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:203.66.246.0/24 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

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

DKIM Selectors

✗ None detected

No 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

7 records
  • SPFv=spf1 ip4:203.66.246.0/24 ~all
  • FGNSJJEZ6BNKDI9R3MG46J97STN227G9D5D5XK84
  • MS=ms57117504
  • YVTSXtxr-uKLXlUc0nXY8l4UDE1x__oVgXm5_IiQnWA
  • apple-domain-verification=eBbvLSC4639vsdwm
  • knowbe4-site-verification=4a326c61c4ee6f04e466fe6025ac5c32
  • trend-micro-v1-domain-verification.534fe77f74c09c76ffa095fe0857c3bf=c657c101-17ba-4c2b-a925-45f7d0da2585
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