cityofdavis.org

Valid Email Server
Domain Lookup › cityofdavis.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cityofdavis.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 20:55:10 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 135.84.124.41 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns21.worldnic.com namehost.worldnic.com 126030217 10800 3600 604800 3600
Primary NS (mname)
ns21.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030217
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns22.worldnic.com
ns21.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 mx a ip4:192.94.70.253 ip4:64.72.147.142 ip4:204.12.74.76 include:us._netblocks.mimecast.com include:amazonses.com include:spf-us.appmail.granicusgovaccess.net include:aspgov.com include:spf.protection.outlook.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

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

6 records
  • apple-domain-verification=5CODW13fWFHIHGwE
  • _9zo00sxeyjzox5flvqrjeiq333su6f9
  • cisco-ci-domain-verification=811ef95e18c0ded2ed494b16a68a63f7a15cbc87885a83840d6606e526c2040
  • google-site-verification=3yA4WGOxsyKP3tSGkadJ_B5EPge_u-RIs2sXtOwDGps
  • 0ed1fe018a8f3408e1e88e4b5a9195eb8e3b21b7d7
  • SPFv=spf1 mx a ip4:192.94.70.253 ip4:64.72.147.142 ip4:204.12.74.76 include:us._netblocks.mimecast.com include:amazonses.com include:spf-us.appmail.granicusgovaccess.net include:aspgov.com include:spf.protection.outlook.com -all
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