jasper.k12.al.us

Valid Email Server
Domain Lookup › jasper.k12.al.us

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jasper.k12.al.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-04 21:33:48 UTC · ↺ Refresh

MX Hostnames

  • jasper-k12-al-us.mail.protection.outlook.com

MX Priorities

  • jasper-k12-al-us.mail.protection.outlook.com: 0

A / AAAA Records

  • 107.23.57.220 ↩ ec2-107-23-57-220.compute-1.amazonaws.com
  • 104.17.67.73 (no PTR)
  • 107.21.62.216

Mail Server IPs

  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com

SOA Record

Raw SOA asnsvr.asc.edu phduggan.asnmail.asc.edu 2023013105 300 300 100 28800
Primary NS (mname)
asnsvr.asc.edu
Admin Email (rname)
phduggan@asnmail.asc.edu
Serial
2023013105
Refresh
300s
Retry
300s
Expire
100s
Minimum TTL
28800s

Nameservers (NS)

ns2.asc.edu
ns1.asc.edu
ns3.asc.edu
asnsvr.asc.edu
asnsvr2.asc.edu

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

3 records
  • v=msv1 t=fdb61797fd75439fe5b1870eb9f239
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=pHI9RIpZ4_U-JwkY4Hm-JGVHhcdVOKCSHc5v5CWp13w
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 jasper.k12.al.us

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits