hartfordschools.org

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-18 05:02:42 UTC · ↺ Refresh

MX Hostnames

  • hartfordschools-org.mail.protection.outlook.com

MX Priorities

  • hartfordschools-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 34.238.178.141 ↩ ec2-34-238-178-141.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.cen.ct.gov cen.po.state.ct.us 429 3600 1800 2592000 300
Primary NS (mname)
ns1.cen.ct.gov
Admin Email (rname)
cen@po.state.ct.us
Serial
429
Refresh
3600s
Retry
1800s
Expire
2592000s
Minimum TTL
300s

Nameservers (NS)

ns1.cen.ct.gov
ns2.cen.ct.gov

SPF Record

✓ Strict (-all)
v=spf1 include:spf1.hartfordschools.org include:spf2.hartfordschools.org -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

DKIM Selectors

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

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

All TXT Records

16 records
  • vmzt3f554qs3rm5vzzmxj84yft17ktwj
  • _lfb8ypapm377qevoiegsga74fzlehnh
  • _wui9r3x9hynqv7s4xq98bafhq6x4qfd
  • SPFv=spf1 include:spf1.hartfordschools.org include:spf2.hartfordschools.org -all
  • c0b366244412df84f4777e90308ee4c3
  • 37404515a44265be94fd8ff69c0ac09c
  • OYIappjwbOrpRoOVcslQVxxOCtHAVWErviNZwT7S248PS+d5XQ5r5sdJBLumOJmQ59l9+5ugvfQDObaSfjLCZA==
  • asv=1b63b537001497852d139a47721fad8e
  • p85jfcmn0hw5xz7lynj135wv7ycsyxh2
  • adobe-idp-site-verification=dbbf238596cc90577e174f3a5533ec873051747324bfcda2f2bb94827b209e30
  • apple-domain-verification=BeFyEOTYYQHow1Wm
  • apple-domain-verification=XYaAhQN74MRLdL0k
  • cisco-ci-domain-verification=64b531571b5e9845b6296892dae432f3eac1fa310322f01752b2e859a973e99b
  • _nmk1jvqya8u0h2qwdgppsh7lxx1452g
  • apple-domain-verification=NLyNAKPGtKLlICiS
  • _ls18t6hz4qlkkfu4yuqrtmdep2oqotu
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