umcsn.com

Valid Email Server
Domain Lookup › umcsn.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 18:54:52 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-1.mimecast.com
  • us-smtp-inbound-2.mimecast.com

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 10
  • us-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 20.49.104.53 (no PTR)

Mail Server IPs

  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA ns10.digicertdns.com dns.digicertdns.com 2009010136 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010136
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns11.digicertdns.com
ns10.digicertdns.com
ns15.digicertdns.net
ns12.digicertdns.com
ns13.digicertdns.net
ns14.digicertdns.net

SPF Record

✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com ip4:204.107.93.228 ip4:204.107.93.229 ip4:204.107.93.230 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; 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

23 records
  • google-site-verification=gOyGouprHa9-sTtWbyyE9A67aFv8Lx65wm2ntLmLNic
  • 3d7nmty5px5554q1dc85j7fwcthkbwnv
  • cq6cytz6c6x8vtj9jh45hrg87zq1kvkd
  • MS=ms75443934
  • 6hsh92gkhft0gfhr5twwzbr9nxrndp8g
  • MS=ms47124392
  • _0ox918lckzebf3i9rldfek941vyi3cx
  • SPFv=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com ip4:204.107.93.228 ip4:204.107.93.229 ip4:204.107.93.230 -all
  • cisco-ci-domain-verification=36c80a7d6009359ad7371a29ed058d6362dc9e48297ea51ff30224a9f4f0b8db
  • 0vzs3n7v3s0ng823d3ntzxc43dmj4vwg
  • apple-domain-verification=QO3AziPgdeAehH5u
  • _7i0krgldx8j2zsz0d6yj81val0ypixr
  • 8zj8gcj9kyfsysnj471d44159rd0qlxw
  • _svunlo50ne0iynjpaw9xk6a8223l4vp
  • _84tkal8x3blkjvs8ebw2jlki82kvkg7
  • _dg205iyl7gwkk4o2tjju9h70ocf1f3r
  • c16cv1nx53tkh274m9bk8gk2w797k561
  • MS=E4922B603AF3221A5E92DAEFA10420FDA699E3BB
  • google-site-verification=bNpV_kjbIWVM53uJbBVuvrc9L_ynzFg2ev34I6gORGw
  • MS=ms67816322
  • b8rk9t99gzdc6yw6tqqng6sbpkskjxs6
  • 66487a5c-d06e-48cb-b1f6-b346794b23db
  • _zbhlouxayiwjdeoxublgv7e2ud9gni3
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