lbschools.net

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
lbschools.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 05:58:33 UTC · ↺ Refresh

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MX Hostnames

  • lbschools-net.mail.protection.outlook.com

MX Priorities

  • lbschools-net.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.17.68.73 (no PTR)

Mail Server IPs

  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA dist-infoblox-e1.lbschools.net postmaster.lbschools.net 2312040093 10800 3600 2419200 900
Primary NS (mname)
dist-infoblox-e1.lbschools.net
Admin Email (rname)
postmaster@lbschools.net
Serial
2312040093
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

auth.larc.ca.frontiernet.net
auth.asbn.va.frontiernet.net
auth.frontiernet.net
dist-infoblox-e1.lbschools.net
auth.roch.ny.frontiernet.net

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.lbschools_net._d.easydmarc.pro -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];ri=86400;fo=0:1:d:s;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

9 records
  • openai-domain-verification=dv-5DrLrYsn34Drqx7SXYAxrJP2
  • adobe-idp-site-verification=58537d087a0a32ac13bbe29c8a48b5833fe6f4a2fa632d6ecf28421f6ccca3f8
  • apple-domain-verification=tIXDtjpL8RUAsKEZ
  • MS=ms78585542
  • SPFv=spf1 include:_spf.lbschools_net._d.easydmarc.pro -all
  • 1fvb79s9iprctun2b0oe4lvk8e
  • intersight=fefab1727cc217ce7dc0e06a63fb7d88365c94a812de94ca1515d3edb133f5a2
  • cisco-ci-domain-verification=35623ec036df422a112ff4571ece658a0e69ae92b227b4ee4559226d8bd99980
  • asv=ffb214768ab24b8e5cd545ba6726f721
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