lsbtexas.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-30 04:41:24 UTC · ↺ Refresh

MX Hostnames

  • lsbtexas-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 172.64.153.135 (no PTR)
  • 104.18.34.121 (no PTR)
  • 2606:4700:4405::ac40:9987
  • 2a06:98c1:3109::6812:2279

Mail Server IPs

  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.jh-cf.com dns.cloudflare.com 2398557165 10000 2400 604800 1800
Primary NS (mname)
ns1.jh-cf.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398557165
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns2.jh-cf.com
ns1.jh-cf.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spfref.jackhenry.com include:spf1.netteller.com include:gateways.firstdata.com include:mailgun.org ip4:66.45.26.197 ip4:208.82.208.0/22 ip4:63.236.8.128/26 ip4:63.150.172.128/27 ip4:208.185.229.0/24 ip4:216.116.80.0/20 ip4:74.200.32.0/19 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ DKIM properly configured for selector: selector1

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 include:spfref.jackhenry.com include:spf1.netteller.com include:gateways.firstdata.com include:mailgun.org ip4:66.45.26.197 ip4:208.82.208.0/22 ip4:63.236.8.128/26 ip4:63.150.172.128/27 ip4:208.185.229.0/24 ip4:216.116.80.0/20 ip4:74.200.32.0/19 ~all
  • 88eh6ioev4iji07d3ftsr22a4p
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