heartland.edu - Email Domain Verification & Deliverability Report

Active Education Email
Organization: Heartland Community College
Mail Server: Mimecast
Verified 2 days ago

Verify email addresses @heartland.edu. View MX records, mail server configuration, and authentication status for Heartland Community College.

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MX Records for heartland.edu

PriorityMail ServerIP Address
10 us-smtp-inbound-2.mimecast.com 170.10.128.141
10 us-smtp-inbound-1.mimecast.com 170.10.132.221
SMTP Status: Responding
SMTP Banner:
220 us-smtp-inbound-1.mimecast.com ESMTP; Wed, 15 Apr 2026 16:10:21 -0400

heartland.edu uses Mimecast mail servers, which means emails are processed through Mimecast infrastructure with their built-in spam filtering and security controls.

Email Authentication for heartland.edu

SPF Record Pass

v=spf1 ip4:216.125.243.162 ip4:216.125.243.163 ip4:198.21.1.32 ip4:216.124.52.100 ip4:216.124.52.102 ip4:216.124.56.100 ip4:216.124.56.102 ip4:205.139.105.140 ip4:208.117.49.214 ip4:52.210.155.131 ip4:34.194.230.233 ip4:34.230.107.215 ip4:34.250.203.24 ip4:34.250.117.27 ip4:52.62.198.211 ip4:52.60.116.9 ip4:52.60.157.49 ip4:150.230.240.226 ip4:52.70.104.58 ip4:35.174.117.211 ip4:51.112.32.123 ip4:3.28.77.232 ip4:52.86.177.169 ip4:168.245.29.173 ip4:139.60.0.0/24 ip4:139.60.1.0/24 ip4:139.60.2.0/24 ip4:139.60.3.0/24 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.regroup.com include:_spf.salesforce.com ~all
Authorized Senders:
us._netblocks.mimecast.com spf.protection.outlook.com _spf.regroup.com _spf.salesforce.com

SPF (Sender Policy Framework) specifies which mail servers are authorized to send email on behalf of heartland.edu.

DMARC Record None

v=DMARC1; p=none; rua=mailto:dmarc@heartland.edu

DMARC (Domain-based Message Authentication) tells receiving servers what to do with emails that fail authentication checks.

DKIM Found

DKIM signatures were detected for heartland.edu, confirming that this domain cryptographically signs outgoing emails.

Authentication Summary: heartland.edu has full email authentication configured with SPF, DMARC, and DKIM. This provides strong protection against email spoofing and phishing. Emails sent from this domain are well-authenticated and likely to have high deliverability.

WHOIS & Domain Information

Registration Details

Domain
heartland.edu
TLD
.edu

Registrar

How to Verify heartland.edu Email Addresses

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Verify heartland.edu Emails via API in Real-Time
Building a signup form, CRM integration, or lead capture system? BulkEmailChecker's real-time verification API validates heartland.edu email addresses at the point of entry, blocking invalid, disposable, and risky addresses before they enter your database. Integrate with a single API call and prevent bad data at the source.

Frequently Asked Questions

The fastest and most accurate way to verify a heartland.edu email address is to use BulkEmailChecker's free email verification tool. Simply enter the full email address and our system performs SMTP-level validation by connecting directly to heartland.edu's mail servers. You'll get instant results showing whether the mailbox exists, is deliverable, and is safe to send to, all without sending a single email.
Yes. BulkEmailChecker uses SMTP verification to check if a heartland.edu mailbox exists without ever delivering an email. Our system connects to the domain's mail server, performs an SMTP handshake, and queries the mail server to confirm whether the recipient address is valid. This process is completely invisible to the email recipient and does not affect your sender reputation.
Sending to invalid email addresses causes hard bounces, which directly damage your sender reputation. Internet Service Providers (ISPs) and email providers track your bounce rate, and if it exceeds 2%, your emails may start landing in spam folders or get blocked entirely. Verifying heartland.edu addresses with BulkEmailChecker before sending prevents bounces and keeps your deliverability high.
BulkEmailChecker's bulk verification service lets you upload a CSV or TXT file containing thousands of heartland.edu email addresses and verify them all at once. Each address goes through 30+ verification checks including syntax validation, DNS/MX lookup, SMTP verification, disposable domain detection, and spam trap identification. Results are typically ready within minutes and can be downloaded as a clean, verified list.
Email verification is the process of confirming that an email address is real, properly formatted, and capable of receiving messages. It matters because sending to invalid addresses causes bounces, damages your sender reputation, wastes marketing budget, and can get your sending IP blacklisted. BulkEmailChecker verifies addresses at the SMTP level, the most accurate method available, ensuring your emails reach real people.
MX (Mail Exchange) records are DNS entries that specify which mail servers are responsible for receiving email for a domain. When you send an email, your mail server looks up the recipient domain's MX records to find where to deliver the message. If a domain has no MX records, it cannot receive email. BulkEmailChecker checks MX records as part of every verification to confirm the domain is configured for email delivery.
A catch-all (or accept-all) domain is configured to accept email sent to any address at that domain, regardless of whether the specific mailbox exists. This makes it harder to verify individual addresses because the server always responds positively. BulkEmailChecker detects catch-all configurations and flags them in verification results so you can make informed decisions about sending to those addresses.
Yes. BulkEmailChecker offers a real-time email verification API that you can integrate into signup forms, CRM systems, lead capture tools, and any application that collects email addresses. The API validates addresses at the point of entry, blocking invalid, disposable, and risky emails before they enter your database. Integration takes just a single API call with response times under 3 seconds.

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