peterborough.ca

Valid Email Server
Domain Lookup › peterborough.ca

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
peterborough.ca
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 06:51:22 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

  • 20.15.0.36 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA hosting6.nexicom.net sys_admins.peterborough.ca 1772644019 10800 3600 604800 10800
Primary NS (mname)
hosting6.nexicom.net
Admin Email (rname)
sys_admins@peterborough.ca
Serial
1772644019
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

hosting6.nexicom.net
primarydns.nexicom.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:149.72.64.187 include:_netblocks.mimecast.com include:spf.topdesk.net include:_spf.esolutionsgroup.ca include:_spf.audienceview.net include:spf.mandrillapp.com include:spf.mailjet.com include:_spf.salesforce.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

3 records
  • duo_sso_verification=Nui1o2Zz7h6yeTWukxrcWeyDwNDEcS6ThaIgJYyAJ1F7ijFKkuclaN7pX3v5cXrg
  • apple-domain-verification=cnIVoCv0A9zPBCtv
  • SPFv=spf1 ip4:149.72.64.187 include:_netblocks.mimecast.com include:spf.topdesk.net include:_spf.esolutionsgroup.ca include:_spf.audienceview.net include:spf.mandrillapp.com include:spf.mailjet.com include:_spf.salesforce.com ~all
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