cityofsierramadre.com

Valid Email Server
Domain Lookup › cityofsierramadre.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cityofsierramadre.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 06:10:25 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • usb-smtp-inbound-2.mimecast.com: 20
  • usb-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 20.15.0.36 (no PTR)

Mail Server IPs

  • 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
  • 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com

SOA Record

Raw SOA ns10.digicertdns.com dns.digicertdns.com 2009010333 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010333
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

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

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx a:mail.cityofsierramadre.com a: mail.sierramadreca.gov ip4:64.183.65.122 ip4:47.176.193.164 ip4:137.164.12.254 ip4:98.153.61.250 include:spf.constantcontact.com v=spf1 include:usb._netblocks.mimecast.com a-all include:spf.ess.barracudanetworks.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=s; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

8 records
  • canva-site-verification=PqqoyDy02bpkaQgoVBsO6A
  • MS=ms15125845
  • SPFv=spf1 a mx a:mail.cityofsierramadre.com a: mail.sierramadreca.gov ip4:64.183.65.122 ip4:47.176.193.164 ip4:137.164.12.254 ip4:98.153.61.250 include:spf.constantcontact.com v=spf1 include:usb._netblocks.mimecast.com a-all include:spf.ess.barracudanetworks.com ~all
  • MS=7D0692FA761575DC8B4AC6ED2B593943687B0B7A
  • 74546f674600b69d600dc550f227134b
  • 0ed1fe018a6d73fbd5509f42859636b23def46e0cb
  • iContact774866
  • linkedin-site-verification=cc8c629e-a369-48f5-a73f-f28d099d860a
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