ribboncommunications.com

Valid Email Server
Domain Lookup › ribboncommunications.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ribboncommunications.com
Yes
✓ Yes
Symantec
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 19:07:07 UTC · ↺ Refresh

MX Hostnames

  • usb-smtp-inbound-2.mimecast.com
  • cluster5a.eu.messagelabs.com
  • cluster5.eu.messagelabs.com
  • usb-smtp-inbound-1.mimecast.com

MX Priorities

  • cluster5.eu.messagelabs.com: 110
  • cluster5a.eu.messagelabs.com: 120
  • usb-smtp-inbound-1.mimecast.com: 10
  • usb-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 23.185.0.4
  • 2620:12a:8001::4
  • 2620:12a:8000::4

Mail Server IPs

  • 85.158.142.210 ↩ mail834.messagelabs.com
  • 195.245.231.72 ↩ mail876.messagelabs.com
  • 85.158.142.215 ↩ mail839.messagelabs.com
  • 195.245.230.200 ↩ mail858.messagelabs.com
  • 195.245.230.201 ↩ mail859.messagelabs.com
  • 195.245.230.202 ↩ mail860.messagelabs.com
  • 195.245.231.75 ↩ mail879.messagelabs.com
  • 195.245.231.69 ↩ mail874.messagelabs.com
  • 34.91.159.228 ↩ 228.159.91.34.bc.googleusercontent.com
  • 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
  • 170.10.150.242

SOA Record

Raw SOA ns1-03.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-03.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns1-03.azure-dns.com
ns2-03.azure-dns.net
ns3-03.azure-dns.org
ns4-03.azure-dns.info

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=347dnym2._spf._d.mim.ec
📊 DNS lookups: 1/10

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 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 redirect=347dnym2._spf._d.mim.ec
  • v=verifydomain MS=3142449
  • docusign=9c5720eb-ab48-45a2-b26e-664bc2c05c90
  • google-site-verification=UFp6UozVZRnjPgdh3u3gfqmSJRYc6aG_SmQTgWDSUPU
  • globalsign-domain-verification=E167C57CDEBD6397192C29871A1982E2
  • google-site-verification=HZTiEUAljMHuHdL6FQcmCCoI1VJRP0VeQIkiLxbjI-k
  • MS=ms34469005
Full email verification for ribboncommunications.com

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