stewartairconditioning.com

Valid Email Server
Domain Lookup › stewartairconditioning.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stewartairconditioning.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 12:40:29 UTC · ↺ Refresh

MX Hostnames

  • stewartairconditioning-com.mail.protection.outlook.com

MX Priorities

  • stewartairconditioning-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 216.152.143.240 (no PTR)

Mail Server IPs

  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.g10.cfdns.net tsidomains.townsquaredigital.com 2025122603 3600 1200 604800 3600
Primary NS (mname)
ns1.g10.cfdns.net
Admin Email (rname)
tsidomains@townsquaredigital.com
Serial
2025122603
Refresh
3600s
Retry
1200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns4.g10.cfdns.co.uk
ns2.g10.cfdns.biz
ns3.g10.cfdns.info
ns1.g10.cfdns.net

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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

3 records
  • NETORGFT8459210.onmicrosoft.com
  • MS=ms39231673
  • SPFv=spf1 include:secureserver.net -all
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