firstinservice.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-21 03:00:48 UTC · ↺ Refresh

MX Hostnames

  • firstinservice-com.mail.protection.outlook.com

MX Priorities

  • firstinservice-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 198.211.100.231 ↩ 361761.cloudwaysapps.com

Mail Server IPs

  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.registrar-servers.com hostmaster.registrar-servers.com 1773758230 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1773758230
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s

Nameservers (NS)

dns1.registrar-servers.com
dns2.registrar-servers.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:s5wkqs7l63.powerspf.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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

4 records
  • google-site-verification=5a6XKdzbj-N6ETz0b7Mz6lGfGU-CU0FA1KuKm5DpxRo
  • google-site-verification=YmPZAioa4YsuQ7f7QNefDWi9quUfdfIivvDnpqdkyZo
  • SPFv=spf1 include:s5wkqs7l63.powerspf.com include:spf.protection.outlook.com ~all
  • 1ONBKhrm2I4mXs5Z95E9Ef3zjSzBpn5ccjIvmZdtnYNbVy+KZi8qO4GxjfPWZgKGh6fxJlai4EYrsmoLFwBs4w==
Full email verification for firstinservice.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits