Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jefferson.kyschools.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 19:19:36 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt3.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 34.238.178.141
Mail Server IPs
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
SOA Record
Raw SOA
ns1.kyschools.us abuse.education.ky.gov 2026021602 7200 900 1209600 3600
Primary NS (mname)
ns1.kyschools.us
Admin Email (rname)
abuse@education.ky.gov
Serial
2026021602
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.kyschools.us
ns3.kyschools.us
ns1.kyschools.us
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf-g.kyschools.us include:spf.constantcontact.com include:spf.dynect.net include:customerspf.schoolmessenger.com include:sendgrid.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected],mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 6 found
google._domainkey
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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
7 records- MS=ms84705052
- docker-verification=b8a3d1f1-759e-4f7a-9c7d-c8078f5c28db
- google-site-verification=dsYVWOCLsHCpASUr-Fmte7stz-xQlgvzkYVgOv9bCE4
- SPFv=spf1 include:spf-g.kyschools.us include:spf.constantcontact.com include:spf.dynect.net include:customerspf.schoolmessenger.com include:sendgrid.net ~all
- google-site-verification=CtafvpKBMzLty8k_1V26AuDx8VvqIXf9Oz7ck_fH2sw
- apple-domain-verification=bHFrgaZsTNCEMMUV
- infoblox-domain-mastery=1c5d5dd86826a0b66d447355a1b98083f57d4142d47c3193a110267cef7a464dcc
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for jefferson.kyschools.us
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits