Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
k12.nd.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 18:57:32 UTC · ↺ Refresh
MX Hostnames
- k12-nd-us.mail.protection.outlook.com
MX Priorities
- k12-nd-us.mail.protection.outlook.com: 10
A / AAAA Records
- 165.234.156.197 ↩ ndseed.net
Mail Server IPs
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.ndnic.com itne.nd.gov 272034249 10800 3600 2592000 900
Primary NS (mname)
ns3.ndnic.com
Admin Email (rname)
itne@nd.gov
Serial
272034249
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
900s
Nameservers (NS)
ns2.ndnic.com
ns3.ndnic.com
ns4.ndnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spfvalue1.k12.nd.us include:spfvalue2.k12.nd.us -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- 18tamsak9h02s91lhte0t55479
- MS=ms62817666
- apple-domain-verification=crUZFWr7Q22ZcIVl
- SPFv=spf1 include:spfvalue1.k12.nd.us include:spfvalue2.k12.nd.us -all
- google-site-verification=ODMrgZlj-hgWHj3Y27TaBJ6LxgnQ0v3SpzEHuiMgDzE
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 k12.nd.us
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits