Domain Overview
DNS: ✓ just now
Checker: ✓ just now
carlinfirm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-30 21:43:11 UTC · ↺ Refresh
MX Hostnames
- carlinfirm-com.mail.protection.outlook.com
MX Priorities
- carlinfirm-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.211.196 (no PTR)
- 104.21.77.210 (no PTR)
- 2606:4700:3033::ac43:d3c4
- 2606:4700:3034::6815:4dd2
Mail Server IPs
- 52.101.60.68 ↩ mail-bnypr02cu00104.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:f908::8 ↩ mail-bnypr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908::3 ↩ mail-bn3pr02cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c918::5 ↩ mail-byapr05cu00805.inbound.protection.outlook.com
SOA Record
Raw SOA
tess.ns.cloudflare.com dns.cloudflare.com 2413821231 10000 2400 604800 1800
Primary NS (mname)
tess.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2413821231
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
toby.ns.cloudflare.com
tess.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
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
3 records- google-site-verification=j2iRi8IrsuQEy-fpCJPLpX80cG3V_f5ty_ZwxvbNGHw
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms84518860
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