crimsoneducation.org

Valid Email Server
Domain Lookup › crimsoneducation.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
crimsoneducation.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 07:31:34 UTC · ↺ Refresh

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MX Hostnames

  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt3.aspmx.l.google.com

MX Priorities

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

A / AAAA Records

  • 151.101.41.208

Mail Server IPs

  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.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::1a ↩ dj-in-f26.1e100.net
  • 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
  • 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net

SOA Record

Raw SOA ns-1969.awsdns-54.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1969.awsdns-54.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-565.awsdns-06.net
ns-1249.awsdns-28.org
ns-1969.awsdns-54.co.uk
ns-200.awsdns-25.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:mktomail.com include:snsmtp.mktomail.com include:servers.mcsv.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
google._domainkey
k1._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

17 records
  • _globalsign-domain-verification=OFlRsOmW1e-DddCoc5wa_aq2gpHcL7e710UgPBjCta
  • google-site-verification=jQqMv23ukTzbGGoWCy9AOahBunKmAbEVUs75_VdE-sU
  • google-site-verification=3n7EAVcfuqN7JBeTx8-r2IyfzDdtwPldnKQCxrk1mHA
  • proxy-ssl.webflow.com
  • google-site-verification=oGGTggxnb8reTm2uwjniEjyn0e5cFZlXX6o3WMODda4
  • wrike-verification=MTcwMjY4MzozMmI3NDhiN2Q1NzgwNjA4NzBkNzJhMGE1NTYwMTExNjAwYzE4OTc5YzVkNjZlODQwZTQyMDNjYjljOWQzOTcy
  • google-site-verification=yg88ghkgFuSgj7Ju0657VRPRiK7EuVgei6EiS2T5Ufg
  • facebook-domain-verification=4nyqxtn5za28do655tt4nmk2nrou77
  • oGGTggxnb8reTm2uwjniEjyn0e5cFZlXX6o3WMODda4
  • MS=ms22972752
  • google-site-verification=HsngsEzvBYHu00LZ7S__1zaWwLB7D9reF_vclm82ctE
  • google-site-verification=5_7oeTbnOUyU27Trzvw51FX2AK1RcNDz6z0q8RZ7chg
  • SPFv=spf1 include:_spf.google.com include:mktomail.com include:snsmtp.mktomail.com include:servers.mcsv.net ~all
  • google-site-verification=9NoZ-Hcjks4CYaVGWVphQZuJeZhz8XB_MHtmJHNsmas
  • ZOOM_verify_ahdasiONSMWbjKn43Wa0dA
  • include:mktomail.com
  • google-site-verification=6lIhr_zSe8UjDchIdqk961n3x3ZyuTorQRSAe8FseFA
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