dragon.k12.pa.us

Valid Email Server
Domain Lookup › dragon.k12.pa.us

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
dragon.k12.pa.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 14:06:21 UTC · ↺ Refresh

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MX Hostnames

  • ALT3.ASPMX.L.GOOGLE.COM
  • ASPMX.L.GOOGLE.COM
  • ALT1.ASPMX.L.GOOGLE.COM
  • ALT4.ASPMX.L.GOOGLE.COM
  • ALT2.ASPMX.L.GOOGLE.COM

MX Priorities

  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 162.159.135.49
  • 162.159.136.49

Mail Server IPs

  • 172.253.115.26 ↩ bg-in-f26.1e100.net
  • 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net

SOA Record

Raw SOA kallie.ns.cloudflare.com dns.cloudflare.com 2403319110 10000 2400 604800 1800
Primary NS (mname)
kallie.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403319110
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kallie.ns.cloudflare.com
simon.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx a:mail.dragon.k12.pa.us include:spf.protection.outlook.com include:_spf.google.com include:customerspf.schoolmessenger.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; ruf=mailto:[email protected]; rua=mailto:[email protected]; sp=none; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 1 found
google._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
  • apple-domain-verification=2qNm8panPWeLh4Rx
  • autodesk-domain-verification=6By6o_sob5T4eh5s-vY6
  • duo_sso_verification=kZZirMM0mcqUgzUQQ6VDzCgp4kH5cHywBUZ3VfuvzLJDRFtztII80lhsFHSUouuP
  • google-site-verification=fQVLXJnF8CUeVTEbOGik7anja5wX7UJEFyA8xFKNs9c
  • ryZL1OrSUIYfSjGwufgtn3ZaQQIbM1/aMhFEeuJoH1CxcoG+ijk4thAOrbRt6DpiklUgYglM549UlAHTcrzdaw==
  • SPFv=spf1 a mx a:mail.dragon.k12.pa.us include:spf.protection.outlook.com include:_spf.google.com include:customerspf.schoolmessenger.com ~all
  • 2eAmq9bAdqj6+IHlyEi6zPMFtzFH4cFPQDzCg9PU21vcgaWaOa3k7sTzQI/cjKYNE+lZoBKBXY+DETJWWsIPvQ==
  • MS=ms31393764
  • adobe-idp-site-verification=872b02d2b9635f3eab648b98ea2d7e17e760f2ecbc2421a6768444bc58499055
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