cu-rockies.org

Valid Email Server
Domain Lookup › cu-rockies.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cu-rockies.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 20:23:19 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

  • 107.154.105.27 ↩ 107.154.105.27.ip.incapdns.net
  • 107.154.106.27 ↩ 107.154.106.27.ip.incapdns.net

Mail Server IPs

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

SOA Record

Raw SOA ns31.worldnic.com namehost.worldnic.com 125021316 10800 3600 604800 3600
Primary NS (mname)
ns31.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125021316
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns31.worldnic.com
ns32.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com ip4:199.189.180.70 ip4:199.189.180.71 ip4:206.71.66.192/26 ip4:216.38.192.80/28 ip4:24.249.226.64/27 ip4:70.246.160.202/32 ip4:104.47.44.36/32 include:documatix.com include:spf.accesssoftek.com include:spf1.netteller.com include:spfus.doxim.com a:_mailhosts.swbc.com include:spfref.jackhenry.com ~all
📊 DNS lookups: 7/10
~ 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

4 records
  • 0ed1fe018a3c5b61c7d5be42f989f430589272e9f3
  • MS=DF26F43D096615F13A48D006BF4440F4795DF188
  • SPFv=spf1 include:us._netblocks.mimecast.com ip4:199.189.180.70 ip4:199.189.180.71 ip4:206.71.66.192/26 ip4:216.38.192.80/28 ip4:24.249.226.64/27 ip4:70.246.160.202/32 ip4:104.47.44.36/32 include:documatix.com include:spf.accesssoftek.com include:spf1.netteller.com include:spfus.doxim.com a:_mailhosts.swbc.com include:spfref.jackhenry.com ~all
  • e2ma-verification=3bzbb
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