Confirmed Disposable Domain

Is lei.kr a disposable email domain?

Q: Is lei.kr a disposable email?

Yes. lei.kr is a confirmed disposable email domain in our database of 280,256+ temp mail providers. Emails from this domain are temporary and should be blocked.

Q: How do I block lei.kr?

Use the TempMailChecker API to detect and block signups from lei.kr. Send GET /check?email=user@lei.kr and block when the response returns {temp: true}.

Q: Why should I block lei.kr?

Disposable email domains like lei.kr are used for fake signups, trial abuse, referral fraud, and spam. Blocking them protects your platform from abuse.

Yes. lei.kr is a confirmed disposable email provider in our database of 280,256+ temp mail domains. Block signups from this domain to protect your platform.

Domain Status

Domain lei.kr

Classification Disposable / Temporary

API Response { "temp": true }

Recommendation 🛡️ Block at Registration

🔍 Domain Intelligence Report

Technical analysis for lei.kr

Risk Level

Medium

Domain Type

Country Code TLD

TLD

.kr

📋 Domain Details

Full Domain lei.kr

API Response temp: true

Recommendation Block at Signup

Free API Access

Stop Fake Signups
Before They Start

One API call. One boolean response. Instantly detect if lei.kr or any of our 280,256+ blocked domains is being used.

<5ms Response Time

99.9% Uptime SLA

25/day Free Requests

🚀 Get Free API Key View Documentation →

⚡

API Request tempmailchecker.com

GET /check

?email=user@lei.kr

Response { "temp": true } ✓

🌐 Live DNS Records for lei.kr

Live Data — Retrieved in real-time

📧

MX Records 1

10 mail.ese.kr

🔢

A Records (IP) 1

183.111.227.75

🌍

Nameservers 2

ns2.tad.cc
ns1.tad.cc

📝

TXT Records 0

No TXT records found

How to Block lei.kr Emails

Integrate our API in 3 simple steps to stop fake signups from lei.kr

🔑

Get Your API Key

⚡

Add API Call

Add a single API request to your signup form validation before creating accounts.

🛡️

Block Disposable Emails

When our API returns temp: true, reject the signup and show an error.

JavaScript

// Check if email is disposable before signup
const email = "user@lei.kr";
const response = await fetch(`https://tempmailchecker.com/check?email=${email}`);
const data = await response.json();

if (data.temp) {
  // Block signup - lei.kr is a disposable email
  showError("Please use a valid email address");
} else {
  // Allow signup - email is legitimate
  createAccount(email);
}

⚠️

Why Block lei.kr?

lei.kr allows users to create throwaway email addresses without verification. These temporary emails expire after minutes or hours, making them a go-to tool for:

Creating multiple fake accounts to exploit free trials
Gaming referral programs and promotional offers
Bypassing account bans and restrictions
Submitting spam, fake reviews, or fraudulent content
Evading accountability — emails expire and become unreachable

📊

Business Impact

Allowing signups from lei.kr negatively affects:

User analytics and conversion metrics become unreliable
Email marketing budget wasted on dead addresses
Sender reputation damaged by high bounce rates
Revenue lost to promotional and referral fraud
Support overhead from uncontactable users

Block lei.kr at registration to ensure quality signups and protect your business.

Detect lei.kr with Our API

One API request instantly identifies emails from lei.kr as disposable. Sub-millisecond processing, ~70ms real-world latency.

API Request & Response

GET https://tempmailchecker.com/check?email=user@lei.kr

{
"temp": true // Disposable email detected
}

FAQ About lei.kr

Common questions about blocking this disposable email domain

Is lei.kr a disposable email?

Yes. lei.kr is a confirmed disposable email domain in our database of 280,256+ temp mail providers. Emails from this domain are temporary and should be blocked during user registration.

How do I block lei.kr?

Use the TempMailChecker API during signup. Send a GET request to /check?email=user@lei.kr and block the signup when the response returns {"temp": true}. Integration takes minutes and works with any language.

Why should I block lei.kr?

Disposable email domains like lei.kr are primarily used for abuse: fake signups, trial farming, referral fraud, and spam. Users who sign up with temp mail can't receive password resets or transactional emails, and they're unlikely to become paying customers. Blocking them protects your platform.

Block lei.kr in Seconds

Add a single API call to your signup flow and stop fake signups instantly. Free tier includes 25 requests per day.

🚀 Get Free API Key View Documentation