serenity-tax.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
serenity-tax.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 15:33:42 UTC · ↺ Refresh

MX Hostnames

  • serenitytax-com02b.mail.protection.outlook.com

MX Priorities

  • serenitytax-com02b.mail.protection.outlook.com: 10

A / AAAA Records

  • 151.101.130.159 (no PTR)

Mail Server IPs

  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns-cloud-b1.googledomains.com cloud-dns-hostmaster.google.com 6 21600 3600 259200 300
Primary NS (mname)
ns-cloud-b1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
6
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s

Nameservers (NS)

ns-cloud-b1.googledomains.com
ns-cloud-b4.googledomains.com
ns-cloud-b2.googledomains.com
ns-cloud-b3.googledomains.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:71.237.175.67 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 ip4:71.237.175.67 include:spf.protection.outlook.com ~all
  • MS=ms16094768
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