Safe to Send ยท Low risk

Verify Emails at Unl.edu

Real-time SMTP verification with 99.7% accuracy. Check any @unl.edu address before you send, no signup required.

SMTP Responsive MX 2 Auth 3/3 Persistent
Unl.edu Email Checker
LIVE
90Deliverability
2MX Records
10 / 10Free Checks
Verify 10,000 Unl.edu emails for just $9.95
Military-Grade Encryption
ISO 27001
SOC 2 Type II
GDPR
CCPA
HIPAA

Deliverability

4 signals
Deliverability90/100
Risk Score10
Blacklists0/8
Domain Age38 years

Infrastructure

5 signals
SMTP StatusResponsive
MX Records2
Authentication3/3
Accepts MailYes
Catch-AllNot detected

Classification

4 signals
Domain TypeEducation Email
DisposableNo
Free ProviderNo
Mail ProviderProofpoint

Verification Status

May 31, 2026

Yes. You can verify any @Unl.edu address in real time with a direct SMTP handshake that provides 99.7% accuracy. Unl.edu is operated by University of Nebraska-Lincoln, runs 2 mail servers, enforces 3 of 3 authentication standards, and is currently responding to SMTP.

Valid providerYesYes
Mail ProviderProofpoint
MX Records2Active
Authentication3/3Full

Unl.edu Key Facts

Education Domain
Mail ProviderProofpoint
Domain TypeEducation Email
MX Records2 mxb-00246402.gslb.pphosted.com
SMTP StatusResponsiveResponsive
SPF / DKIM / DMARCPass / Pass / Reject
Catch-AllNot detected
DisposableNoNo
Domain Age38 years (since 1987)
Last VerifiedMay 31, 2026

How to read your Unl.edu verification result

Every check returns one of three clear outcomes so you know exactly what to do with the address.

Passed - Safe to Send

The mailbox exists and accepts mail. Send with confidence, the address is deliverable.

Failed - Do Not Send

The mailbox does not exist, is disposable, or will hard-bounce. Remove it to protect your sender reputation.

Unknown - Use Caution

The server is catch-all or greylisting, so existence cannot be confirmed. Send selectively and watch engagement.

What are Unl.edu's MX records?

unl.edu publishes 2 MX records. The primary mail exchanger is mxb-00246402.gslb.pphosted.com, hosted by Proofpoint, and it is currently reachable and answering SMTP. Mail is routed through these servers in priority order, lowest number first.

MX Records

2 records
PriorityHostnameIPStatus
10 mxb-00246402.gslb.pphosted.com 148.163.143.147 Reachable
10 mxa-00246402.gslb.pphosted.com 148.163.147.197 Reachable

Infrastructure

Responsive
SMTP StatusResponsiveResponsive
Primary MXmxb-00246402.gslb.pphosted.com
Mail ProviderProofpoint
Accepts MailYes
Catch-AllNot detected
220 mx0b-00246402.pphosted.com ESMTP mfa-m0136270

Can you verify Unl.edu email addresses?

Yes. unl.edu is a valid email domain, operated by University of Nebraska-Lincoln. Addresses are persistent and real mail reaches a genuine recipient. Individual mailboxes still go stale, so verify each one before you send.

Verification method

SMTP

A live SMTP handshake connects to Unl.edu's mail server and asks whether the mailbox exists using the RCPT TO command, without ever transmitting a message. The recipient never sees the check.

Accuracy

99.7%

Each address runs through 30+ checks including SMTP existence, catch-all detection, role-account filtering, and disposable matching. The same engine has verified billions of addresses since 2012.

Why verify Unl.edu emails before you send?

Every unverified address is a gamble. Here is what happens when you skip verification and mail a list that has not been cleaned.

Catch role changes

People leave companies. Verification flags unl.edu mailboxes deactivated since you collected them.

Avoid dead mailboxes

Expired or full unl.edu inboxes hard-bounce. A live SMTP check catches them before you hit send.

Protect sender reputation

Low bounce rates keep you trusted by unl.edu mail servers and the major mailbox providers.

Keep CRM data accurate

Verified contacts mean your CRM, lead scoring, and routing all run on addresses that reach a person.

Who operates Unl.edu?

Unl.edu is University of Nebraska-Lincoln and first seen Jul 28, 1987.

Registration (WHOIS)

.edu
RegisteredJul 28, 1987 / 38 years old
UpdatedJun 4, 2024
ExpiresJul 31, 2027
RegistrantUniversity of Nebraska - Lincoln / Lincoln, NE, UNITED STATES
Tech ContactInformation Services / dnsadmin@unl.edu / Lincoln, NE, UNITED STATES
NS-110.AWSDNS-13.COMNS-1812.AWSDNS-34.CO.UKNS-724.AWSDNS-26.NETNS-1531.AWSDNS-63.ORG

Domain Profile

Education Email
Domainunl.edu
OrganizationUniversity of Nebraska-Lincoln
TypeEducation Email
Mail ProviderProofpoint
SPFPassPass
DKIMPassPass
DMARCRejectReject

Unl.edu is University of Nebraska-Lincoln, classified as education email running on Proofpoint. It operates 2 mail servers and currently accepts SMTP connections.

When verifying unl.edu addresses, the checker connects directly to Proofpoint over SMTP. With 3 of 3 authentication standards in place and SMTP currently responding, verification results for this domain carry high confidence.

How do you verify Unl.edu emails in bulk?

Upload a CSV or TXT list of Unl.edu addresses to the bulk email verifier. Every address runs through a live SMTP handshake plus catch-all, role-account and disposable detection, and you download a clean list when processing completes. For real-time checks at signup, use the real-time email verification API.

1

Upload your list

CSV or TXT with one email per line. No formatting needed.

2

SMTP verification runs

Each Unl.edu address is checked with a live server handshake.

3

Download clean results

Get a verified list with status codes, risk flags, and catch-all detection.

Verify Unl.edu emails from $0.0001 each

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Frequently asked questions about Unl.edu

Everything about verifying email at this domain.

Yes, unl.edu is a valid educational institution email domain operated by University of Nebraska-Lincoln. It is used by students, faculty, and staff for academic correspondence.

No, unl.edu is not a disposable or temporary email provider. It is an institutional email domain. However, student email addresses may be deactivated after graduation depending on the institution's policy.

unl.edu uses mail servers managed by or on behalf of University of Nebraska-Lincoln. Many universities use Microsoft 365 or Google Workspace for their email infrastructure. Check the MX records section above for details.

You can send emails to unl.edu addresses with proper consent. Be aware that educational institutions often employ strict spam filtering, and student addresses may become inactive after graduation. Regular list hygiene is recommended.

Use BulkEmailChecker to verify unl.edu addresses. Educational domains may use catch-all configurations or have specific SMTP behaviors. Our tool handles these institution-specific configurations automatically.

Upload a CSV or TXT list to the bulk email verifier. Every address runs through 30+ checks including SMTP existence, catch-all detection, role-account, and disposable matching. Processing time depends on list size.

99.7% accurate using a direct SMTP handshake with unl.edu's mail servers, the same engine that has verified billions of addresses since 2012.