frontlinetaxservice.com

Valid Email Server
Domain Lookup › frontlinetaxservice.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 20:37:32 UTC · ↺ Refresh

MX Hostnames

  • frontlinetaxservice-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 66.96.161.148 ↩ 148.161.96.66.static.eigbox.net

Mail Server IPs

  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.dotster.com dnsadmin.dotster.com 2020062554 10800 3600 604800 3600
Primary NS (mname)
ns1.dotster.com
Admin Email (rname)
dnsadmin@dotster.com
Serial
2020062554
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.dotster.com
ns2.dotster.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms59131585
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