Nicoobook.Net Is It a Suspicious Domain?

Due to missing MX Records, the mail domain is invalid. Email sent to this domain will bounce if it is not successfully inboxed.

Email addresses on this domain have been identified as transitory, disposable, and likely used for abuse and fraud by IPQS email validation algorithms.

IPQS has a high level of confidence that this domain is being used for illegal activities such as fraud. This domain’s users should be approached with care.

Lookup Domains, IP Addresses, & Emails with a Simple API


Please sign up for a free account to get more accurate results and improve your email reputation score. Please use our free email address checker for additional investigation if you feel an email from this domain is questionable.

Improve your identification of phishing, duplicate accounts and users, poor user content, and even payment fraud.

To prevent false accounts and screen people in real-time, utilize a simple API request to assess the danger level of an email address or domain. A simple check at sign-up or checkout will deter scammers and malevolent bots.

Accurate domain reputation lookups use IPQS’s biggest honeypot threat network, which has over 5,000 active traps throughout the globe.

Detect new threats and abuse trends in real-time. With a simple domain reputation score, you can identify names that are commonly used for SPAM and abusive conduct.

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Domain Reputation API

Detect domain age, phishing and malware, parked domains, throwaway emails, and other suspicious activity by scanning harmful URLs and using domain reputation API lookups.

API lookups for domain reputation give real-time data with fast response times. Connect your backend and business logic to reliable domain analysis.

How to Check a Domain’s Risk Score?


To check the domain risk score and threat analysis, please enter the mail server domain you want to verify in the search box above.

This free domain search tool will do a rapid domain investigation to see whether the domain has been used for any fraudulent, abusive, malware, phishing, or other forms of undesired activities.

Based on scoring hundreds of millions of transactions every day and substantial live reporting input from our customers, IPQS analyses domain threat data from throughout our network.

You may also look at the health of the domain’s IP reputation, which may help to explain domain reputation difficulties.

What Are the Benefits of Domain Reputation Analysis?

Mail domains are a fantastic way to get a quick summary of an email address’s reputation. Fake or duplicate accounts are likely to emerge from disposable and high-risk email service providers.

User registrations from these domains should be recognized as fully fraudulent, and a sophisticated API allows for real-time account signup filtering.

IPQS offers a comprehensive set of capabilities for detecting bot traffic and fraudulent sign-ups, as well as extensive email reputation screening.

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How Can I Verify an Individual Email Address?


With IPQS’ free email verification, you can quickly check whether an email address is authentic and learn more about the inbox and deliverability.

This check assesses an email address’s health, including when the domain was initially registered and when the email address was first spotted by the IPQS threat network.

Additional risk analysis data points make judging the quality of an email address and its associated mail domain a breeze.

Does Domain Reputation Affect Email Deliverability?

Absolutely. All major mail service providers, including Gmail, Yahoo, Outlook, Hotmail, AOL, and others, employ domain reputation to detect SPAM

and abusive senders.

Whether you’re not sure if your email domain’s reputation is affecting email deliverability, use our free email SPAM check to see if there are any concerns.

We also suggest using the search tool above to assess the health of your domain. Cleaning email lists every 6-12 months, particularly for older members, may boost domain reputation significantly.

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