Domain Intelligence
Last Updated:
Antietam.net
Proceed With Care
Antietam.net is operated by Antietam Broadband. The domain runs 1 mail exchange and SMTP is not currently responding, with 1 of 3 authentication standards in place.
Proceed With Care
RISK
47
/100
Medium
Verify Mailbox
Verify @antietam.net emails
Live SMTP handshake against antietam.net mail servers. No email is sent. 10 free per day, no signup.
Trusted by 400,000+ senders
4.9/5
From 8,500+ verified reviews
Catch-all detection alone has paid for the subscription. We were hemorrhaging credits at our previous verifier on catch-all domains that accepted the call but never bounced. Saved roughly $400 per month overnight. Brett Anderson · RevOps Manager
SOC 2 Type II
GDPR
CCPA
99.7% Accuracy
Disposable
No
Persistent addresses, not throwaway
SMTP Live
No
Mail server not responding to SMTP
MX Records
1
Mail exchangers
Mail Exchange (MX) Records for antietam.net Mail Exchange records. They tell other mail servers which hosts are responsible for receiving email at this domain, in priority order. Lower priority numbers are tried first.
#1
mail.mailerhost.net 5.161.133.13
No Response
SMTP Handshake
Simple Mail Transfer Protocol. We open a live SMTP connection to the primary MX and read the greeting banner. A response confirms the mail server is alive and accepting connections.
No Response
Primary mail server did not respond to SMTP within the audit timeout. Mail to antietam.net may bounce.
antietam.net Email Authentication SPF · DKIM · DMARC
SPF
Sender Policy Framework. A DNS record listing which servers are allowed to send mail for this domain. Receivers reject or flag mail from unauthorized servers.
Pass
TXTv=spf1 ip6:fd43:c0d1:c090::/48 -all
Authorized senders are defined and pass SPF policy.
DKIM
DomainKeys Identified Mail. The sending server cryptographically signs outbound mail with a private key, and receivers verify the signature using a public key in DNS.
Missing
No DKIM signature detected on common selectors for antietam.net.
No DKIM signature was detected. Receivers cannot verify the integrity of outbound mail.
DMARC
Domain-based Message Authentication, Reporting & Conformance. Tells receivers what to do when SPF or DKIM checks fail: none, quarantine, or reject.
Missing
No DMARC record published at _dmarc.antietam.net.
No DMARC policy is published. Receivers have no instruction for handling failed messages from this domain.
antietam.net Domain Registration WHOIS · Nameservers · Registrar
RegistrarPDR Ltd. d/b/a PublicDomainRegistry.com
IANA ID303
RegisteredApril 11, 2002
Last UpdatedMarch 5, 2026
ExpiresApril 11, 2027
Age24 years
TLD.net
Authoritative Nameservers (2)
- lunlun.ns.giantpanda.com
- yangyang.ns.giantpanda.com
Registrant
Hidden by registrar privacy service
Technical Contact
Tfourh Net
Tfourh
tfourhllc@signaturecorporate.com·Grand Cayman, KY, CAYMAN ISLANDS·13459290090
About this Domain
About antietam.net
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.
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Common Questions About antietam.net
Is antietam.net a disposable or temporary email provider?
No. antietam.net is not a disposable email provider. It is classified as ISP Email Provider operated by Antietam Broadband and addresses on antietam.net are persistent rather than throwaway. Mail sent to a valid antietam.net mailbox reaches a real recipient.
How do I verify if a antietam.net email address is valid?
The fastest way to verify a antietam.net email address is to use our free email checker. Enter any @antietam.net mailbox at the top of this page and our system performs a real-time SMTP handshake against antietam.net's mail servers, confirming whether the mailbox exists, is reachable, and is safe to send to. No email is ever delivered during the check.
Can I check if a antietam.net email exists without sending a message?
Yes. Our real-time email verification API connects directly to antietam.net's mail server, opens an SMTP session, and queries the mailbox using the RCPT TO command without ever transmitting an actual email. The server's response confirms whether the antietam.net mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for antietam.net?
antietam.net currently publishes 1 mail exchange (MX) record. The primary MX is mail.mailerhost.net, which is the first server contacted when other mail systems try to deliver email to a antietam.net address. The full list with priorities and IP addresses is in the MX Records panel above. MX records tell sending servers where to route email for antietam.net.
Does antietam.net use SPF, DKIM, and DMARC email authentication?
antietam.net has 1 of the 3 standard email authentication records in place: SPF and . Adding the missing layer(s) would tighten anti-spoofing protection and improve deliverability for legitimate antietam.net mail.
Why do emails to antietam.net bounce or get blocked?
Bounces from antietam.net usually fall into three buckets: the mailbox doesn't exist (5xx user unknown), the inbox is full, or your sending domain isn't authenticated to antietam.net's satisfaction. The fastest fix is to run each address through a free email verifier before you send, and to make sure your own SPF, DKIM, and DMARC are configured correctly so antietam.net's receivers trust you.
How can I verify a large list of antietam.net email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of antietam.net addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, antietam.net catch-all detection, role-account detection, and disposable-domain matching. Results typically come back within minutes and previously-failed addresses on your blacklist are reprocessed for free. For continuous high-volume needs, see our unlimited email verification API.
Is it safe to accept signups from antietam.net email addresses?
Yes, with normal hygiene. antietam.net is a legitimate email service and signups from @antietam.net behave like any other real user. Pipe each address through a real-time email verifier API at the moment of signup to catch typos and dead mailboxes, but there is no need to block antietam.net by default.
What email format does antietam.net use for usernames?
Most antietam.net mailboxes follow common patterns like first.last@antietam.net, firstinitiallast@antietam.net, or first@antietam.net, but the actual local-part rules depend on Antietam Broadband. The only reliable way to confirm whether a specific @antietam.net address exists is to run it through a free email verification tool. Guessing patterns will produce a high bounce rate and damage your sender reputation.
How is the antietam.net risk score calculated?
The 0-to-100 risk score for antietam.net combines disposable-domain classification, mail-server reachability, MX record presence and depth, SPF / DKIM / DMARC enforcement, DMARC policy strength, SMTP banner response, and domain age. Lower scores mean safer to send to. Disposable domains are pinned at the high end of the scale. The antietam.net score is recomputed on every audit so it always reflects the live state of the domain.
Is antietam.net a valid email 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.
Is antietam.net a disposable or temporary email service?
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.
What mail servers does antietam.net use?
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.
Can I send marketing emails to antietam.net addresses?
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.
How do I verify an antietam.net email address?
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.