leetc.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
leetc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-03 10:31:51 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • leetc-com.mail.protection.outlook.com

MX Priorities

  • leetc-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 141.193.213.21 (no PTR)
  • 141.193.213.20 (no PTR)

Mail Server IPs

  • 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
  • 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
  • 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.leetc.com admininternetdomain.leetc.com 2026012748 3600 600 604800 3600
Primary NS (mname)
dns1.leetc.com
Admin Email (rname)
admininternetdomain@leetc.com
Serial
2026012748
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns1.leetc.com
ns3.level3.net
ns4.level3.net
ns2.hvdata.net
ns1.hvdata.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:206.197.25.5 ip4:206.197.25.143 ip4:147.160.167.0/26 ip4:23.21.109.197 ip4:23.21.109.212 ip4:96.66.132.209 ip4:96.66.132.249 ip4:96.85.91.209 ip4:96.66.134.73 ip4:96.91.88.65 ip4:50.78.214.169 include:spf1.leetc.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

4 records
  • tcfsetad3g0kqjoj27e957u8gp
  • neat-pulse-domain-verification-8XZ265X=433f3a80-ae52-4769-b9e9-5a9138337172
  • SPFv=spf1 mx a ip4:206.197.25.5 ip4:206.197.25.143 ip4:147.160.167.0/26 ip4:23.21.109.197 ip4:23.21.109.212 ip4:96.66.132.209 ip4:96.66.132.249 ip4:96.85.91.209 ip4:96.66.134.73 ip4:96.91.88.65 ip4:50.78.214.169 include:spf1.leetc.com ~all
  • r9d2ikgecrknkrqneplcg51stn
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 · Customize →
See demo & docs
Deep verification
Full email verification for leetc.com

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

No credit card required
Get 1,000 Free Credits