numc.edu

Valid Email Server
Domain Lookup › numc.edu

Domain Overview

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

Checked via [email protected] · 2026-03-17 22:27:16 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 134.209.166.20 ↩ 1311148.cloudwaysapps.com

Mail Server IPs

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

SOA Record

Raw SOA dbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 86 10800 3600 604800 86400
Primary NS (mname)
dbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
86
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dbru.br.ns.els-gms.att.net
dmtu.mt.ns.els-gms.att.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:40.84.28.29 include:numc-edu.spf.smtp25.com include:us._netblocks.mimecast.com include:mail.echo-cloud.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

5 records
  • apple-domain-verification=Zha3HaIC0ssuVjJl
  • MS=B6916E59EFA5BA290F237CADBCD408AD08970840
  • JUL-NN6-A8S
  • google-site-verification=KzDU8eF5801NYkVgoCXFNKUgUDkUutxkcnHodOD84zk
  • SPFv=spf1 ip4:40.84.28.29 include:numc-edu.spf.smtp25.com include:us._netblocks.mimecast.com include:mail.echo-cloud.com ~all
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