Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
maxheatingandcooling.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 09:51:42 UTC · ↺ Refresh
MX Hostnames
- maxheatingandcooling-com.mail.protection.outlook.com
MX Priorities
- maxheatingandcooling-com.mail.protection.outlook.com: 1
A / AAAA Records
- 209.87.149.234 ↩ cloudhost-3401836.us-midwest-1.nxcli.net
Mail Server IPs
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
naomi.ns.cloudflare.com dns.cloudflare.com 2399941535 10000 2400 604800 1800
Primary NS (mname)
naomi.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399941535
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
naomi.ns.cloudflare.com
roan.ns.cloudflare.com
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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- bio=89d457271974df2ca8e491a5a8fcefd523a867c3
- google-site-verification=2Ei9G4Zgjl8394lKCCcqFsO9rrHDk1PQ0TrXxppbxvw
- SPFv=spf1 -all
- SPFv=spf1 include:spf.protection.outlook.com -all
- NETORGFT6495302.onmicrosoft.com
- NETORGFT6495302.onmicrosoft.comv=spf1 include:spf.protection.outlook.com -all
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