Proceed With Care ยท Medium risk

Verify Emails at Antietam.net

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

SMTP No Response MX 1 Auth 1/3 Persistent
Antietam.net Email Checker
LIVE
53Deliverability
1MX Records
10 / 10Free Checks
Verify 10,000 Antietam.net emails for just $9.95
Military-Grade Encryption
ISO 27001
SOC 2 Type II
GDPR
CCPA
HIPAA

Deliverability

4 signals
Deliverability53/100
Risk Score47
Blacklists0/8
Domain Age24 years

Infrastructure

5 signals
SMTP StatusNo Response
MX Records1
Authentication1/3
Accepts MailNo
Catch-AllNot detected

Classification

4 signals
Domain TypeISP Email Provider
DisposableNo
Free ProviderNo
Mail Providermailerhost.net

Verification Status

June 3, 2026

Yes. You can verify any @Antietam.net address in real time with a direct SMTP handshake that provides 99.7% accuracy. Antietam.net is operated by Antietam Broadband, runs 1 mail server, enforces 1 of 3 authentication standards, and is currently not responding to SMTP.

Valid providerYesYes
Mail Providermailerhost.net
MX Records1Active
Authentication1/3Partial

Antietam.net Key Facts

ISP Email
Mail Providermailerhost.net
Domain TypeISP Email Provider
MX Records1 mail.mailerhost.net
SMTP StatusNo ResponseNo Response
SPF / DKIM / DMARCPass / Missing / Missing
Catch-AllNot detected
DisposableNoNo
Domain Age24 years (since 2002)
RegistrarPDR Ltd. d/b/a PublicDomainRegistry.com
Last VerifiedJune 3, 2026

How to read your Antietam.net 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 Antietam.net's MX records?

antietam.net publishes 1 MX record. The primary mail exchanger is mail.mailerhost.net, hosted by mailerhost.net, and it is currently not responding to SMTP. Mail is routed through these servers in priority order, lowest number first.

MX Records

1 record
PriorityHostnameIPStatus
1 mail.mailerhost.net 5.161.133.13 No Response

Infrastructure

No Response
SMTP StatusNo ResponseNo Response
Primary MXmail.mailerhost.net
Mail Providermailerhost.net
Accepts MailNo
Catch-AllNot detected

Can you verify Antietam.net email addresses?

Yes. antietam.net is a valid email domain, operated by Antietam Broadband. 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 Antietam.net'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 Antietam.net 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.

Filter abandoned accounts

Free inboxes get abandoned constantly. Verification drops the dead antietam.net mailboxes before you mail them.

Catch typos

Mistyped antietam.net addresses fail a real SMTP check, so they never turn into a hard bounce.

Protect deliverability

A clean list keeps your bounce rate low, and a low bounce rate is what protects inbox placement on a big send.

Lift open rates

Mailing only live antietam.net addresses raises every rate that matters: opens, clicks, and replies.

Who operates Antietam.net?

Antietam.net is Antietam Broadband, registered through PDR Ltd. d/b/a PublicDomainRegistry.com and first seen Apr 11, 2002.

Registration (WHOIS)

.net
RegistrarPDR Ltd. d/b/a PublicDomainRegistry.com / IANA 303
RegisteredApr 11, 2002 / 24 years old
UpdatedMar 5, 2026
ExpiresApr 11, 2027
RegistrantTfourh Net / tfourhllc@signaturecorporate.com / Grand Cayman, KY, CAYMAN ISLANDS
Tech ContactTfourh / tfourhllc@signaturecorporate.com / Grand Cayman, KY, CAYMAN ISLANDS
lunlun.ns.giantpanda.comyangyang.ns.giantpanda.com

Domain Profile

ISP Email Provider
Domainantietam.net
OrganizationAntietam Broadband
TypeISP Email Provider
Mail Providermailerhost.net
SPFPassPass
DKIMMissingMissing
DMARCMissingMissing

antietam.net is the email domain for Antietam Broadband, a regional cable and internet provider serving customers in the Hagerstown, Maryland area. Antietam Broadband provides cable TV, high-speed internet, and phone services, and offers email accounts to its broadband subscribers.

antietam.net publishes SPF records for authentication purposes. DKIM and DMARC support follows standard practices for regional US cable providers. Proper SPF alignment and DKIM signing are recommended for reliable delivery to antietam.net mailboxes.

The antietam.net mail servers perform recipient verification during the SMTP session, rejecting invalid addresses. Standard spam filtering is applied, evaluating sender reputation, content quality, and authentication status before accepting messages for delivery.

When sending to antietam.net addresses, authenticate with SPF and DKIM, maintain clean lists, and avoid spammy content patterns. As a regional provider, antietam.net has a smaller user base, so even a few spam complaints can significantly impact your sender reputation with their mail systems.

How do you verify Antietam.net emails in bulk?

Upload a CSV or TXT list of Antietam.net 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 Antietam.net 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.

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Frequently asked questions about Antietam.net

Everything about verifying email at this domain.

Yes, antietam.net is a valid email domain operated by Antietam Broadband, a regional cable and internet provider in the Hagerstown, Maryland area. Email accounts are provided to their broadband subscribers.

No, antietam.net is not a disposable or temporary email service. It is a permanent ISP email domain provided by Antietam Broadband to its cable internet customers in western Maryland.

antietam.net uses mail servers operated by Antietam Broadband. The MX records point to their mail infrastructure that handles spam filtering and delivery for all antietam.net email accounts.

You can send marketing emails to antietam.net addresses only with valid opt-in consent. Authenticate with SPF and DKIM, honor CAN-SPAM requirements, and maintain low complaint rates since the small user base means complaints have a larger relative impact.

You can verify an antietam.net email address using an email verification service that checks MX records and performs SMTP-level validation to confirm the mailbox exists and is accepting messages.

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 antietam.net's mail servers, the same engine that has verified billions of addresses since 2012.