Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firstfitness.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 01:43:21 UTC · ↺ Refresh
MX Hostnames
- firstfitness-com.mail.protection.outlook.com
MX Priorities
- firstfitness-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.5.30 (no PTR)
- 104.26.4.30 (no PTR)
- 172.67.74.163
- 2606:4700:20::681a:41e
- 2606:4700:20::681a:51e
- 2606:4700:20::ac43:4aa3
Mail Server IPs
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
jarred.ns.cloudflare.com dns.cloudflare.com 2398723613 10000 2400 604800 1800
Primary NS (mname)
jarred.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398723613
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
natasha.ns.cloudflare.com
jarred.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:mailgun.org include:trimsulin.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:mailgun.org include:trimsulin.com -all
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