crookcountyschools.org

Valid Email Server
Domain Lookup › crookcountyschools.org

Domain Overview

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

Checked via [email protected] · 2026-03-25 07:35:31 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 35.215.126.131

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 172.253.115.27 ↩ bg-in-f27.1e100.net
  • 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)

SOA Record

Raw SOA ns-695.awsdns-22.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-695.awsdns-22.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1302.awsdns-34.org
ns-1674.awsdns-17.co.uk
ns-232.awsdns-29.com
ns-695.awsdns-22.net

SPF Record

✓ Strict (-all)
v=spf1 mx include:_spf.google.com ip4:12.171.93.123 include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; 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

✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

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

All TXT Records

8 records
  • HUOcKSEw0njOzlp/qAMDvx8AN2foMoUYP84E/3+DtU938rz2merpKt3v3B/CC5rDCyadWZCbVOCdHwQlUkwmOw==
  • MS=67D42BF8A5D7EDD4DA3E868EC6C578E29E63FB1E
  • ZOOM_verify_umMV-HWLQe6Ob_kqSvepfw
  • adobe-idp-site-verification=0b10051d4a3e847e17315992823832d0115a2a3c6f4ae7e24552e5735726e73e
  • google-site-verification=FMHFvDOCiGXpRK48tEnUBv3kIWaxAxX5hnqd01VEJ_8
  • google-site-verification=GLSXEkIV7YxTjufGxciLWXEn-pinGFgRvvlPURY74c0
  • gxkVbnH4744TSvHHJL+NY4f2ZBb6Zn3784ytRN70CP+BzPE4GSpy8LEi3cbV6bq1Hf115XPBrtPq52kxPN0Agg==
  • SPFv=spf1 mx include:_spf.google.com ip4:12.171.93.123 include:sendgrid.net -all
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