lancasterisd.org

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
lancasterisd.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 02:26:57 UTC · ↺ Refresh

MX Hostnames

  • mail01.lancasterisd.org
  • lancasterisd-org.mail.protection.outlook.com
  • mail02.lancasterisd.org

MX Priorities

  • lancasterisd-org.mail.protection.outlook.com: 0
  • mail01.lancasterisd.org: 10
  • mail02.lancasterisd.org: 20

A / AAAA Records

  • 34.238.178.141

Mail Server IPs

  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 12.15.231.132 ↩ mail01.lancasterisd.org
  • 12.15.231.133 ↩ mail02.lancasterisd.org

SOA Record

Raw SOA ns31.worldnic.com namehost.worldnic.com 126020611 10800 3600 604800 3600
Primary NS (mname)
ns31.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126020611
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns32.worldnic.com
ns31.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:email.freshservice.com include:spf.booksys.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; fo=1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 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: 216 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

7 records
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com include:email.freshservice.com include:spf.booksys.net -all
  • nr4omtbgrok7h6h74jgf0csnj
  • google-site-verification=YT9BKJn9XZtgddLOdbdF0z8PeySkR_D5amfKSfoz5SE
  • cisco-ci-domain-verification=617e85d5f61944c101f0447332ed463a7bd9cf387a0fa512ee0f51000ae5d1a8
  • google-site-verification=3O1ZsPACjB2zUVp-2LDGuCSN1gIcptjcq3vgv4AEPvw
  • apple-domain-verification=r3YUZtutscBfV0ON
  • QXVAzMn9jIQc+Ly/vMtbAPo0w+I/8gsRsJn//NlvX4L28RcFOYZv+7xoyPe2gEonlVnYwfuzxQ0YTM64JgqzGA==
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