eir.ie - Email Domain Verification & Deliverability Report

Active ISP Email Provider
Organization: Eir
Mail Server: Microsoft 365
Verified 1 days ago

Real-time verification data for eir.ie. View MX records, SPF/DKIM/DMARC authentication, and server deliverability status.

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MX Records for eir.ie

PriorityMail ServerIP Address
0 eir-ie.mail.protection.outlook.com 52.101.73.6
SMTP Status: Responding
SMTP Banner:
220 DB3PEPF0000885E.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Wed, 11 Mar 2026 08:10:23 +0000 [08DE79917C9AE332]

eir.ie uses Microsoft 365 mail servers, which means emails are processed through Microsoft 365 infrastructure with their built-in spam filtering and security controls.

Email Authentication for eir.ie

SPF Record Pass

v=spf1 redirect=artjx7qv._spf._d.mim.ec

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

DMARC Record Reject

v=DMARC1; p=reject; rua=mailto:43d2a51221e5201@rep.dmarcanalyzer.com; ruf=mailto:43d2a51221e5201@for.dmarcanalyzer.com; fo=1;

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

DKIM Found

DKIM signatures were detected for eir.ie, confirming that this domain cryptographically signs outgoing emails.

Authentication Summary: eir.ie 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
eir.ie
TLD
.ie
Created
2013-09-08
Updated
2025-10-24
Expires
2026-09-09
Domain Age
12 years

Registrar

Name
Eir
IANA ID
not applicable

Registrant Contact

Name
Eircom Limited

Name Servers

  • auth01.ns.eircom.net
  • auth02.ns.eircom.net
  • auth03.ns.eircom.net

About eir.ie

eir.ie is the email domain for eir (formerly Eircom), Ireland's largest telecommunications company. Eir provides broadband internet, mobile, TV, and phone services to millions of Irish customers. The eir.ie email domain is used by eir broadband subscribers for personal email communication.

eir.ie supports SPF, DKIM, and DMARC authentication through eir's enterprise-grade infrastructure. Senders should ensure full authentication alignment for reliable delivery to eir.ie inboxes.

The eir.ie mail servers, managed by eir infrastructure, perform thorough recipient validation and apply comprehensive anti-spam filtering including reputation scoring, content analysis, and rate limiting for high-volume senders.

For delivery to eir.ie, authenticate with SPF and DKIM, maintain a positive sender reputation, and comply with Irish data protection law and GDPR requirements. Eir is attentive to spam complaints, so confirmed opt-in and clean lists are essential.

How to Verify eir.ie Email Addresses

Need to check if an email address at eir.ie actually exists before you send to it? BulkEmailChecker performs deep SMTP-level validation, connecting directly to eir.ie's mail servers to confirm the mailbox is real, active, and able to receive your message. No test email is ever sent, so your sender reputation stays protected.

Verify a Single eir.ie Email
Use BulkEmailChecker's free email verification tool to instantly validate any eir.ie address. You'll get a complete deliverability report including mailbox existence, catch-all detection, disposable domain flagging, and risk scoring, all in under 3 seconds.

Verify a List of eir.ie Emails in Bulk
Have a mailing list full of eir.ie addresses? Upload your CSV or TXT file to BulkEmailChecker and verify thousands of email addresses in minutes. Our bulk verification engine runs 30+ checks per address including syntax validation, DNS resolution, SMTP handshake, and spam trap detection. Clean your list before every campaign to keep bounce rates below 2% and protect your sender score. See bulk pricing.

Verify eir.ie Emails via API in Real-Time
Building a signup form, CRM integration, or lead capture system? BulkEmailChecker's real-time verification API validates eir.ie 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

Yes, eir.ie is a valid email domain operated by eir (formerly Eircom), Ireland's largest telecommunications company. Email accounts are provided to eir broadband subscribers.
No, eir.ie is not a disposable or temporary email service. It is a permanent ISP email domain provided by eir to its broadband customers across Ireland.
eir.ie uses mail servers managed by eir enterprise infrastructure. The MX records direct inbound email to eir-operated gateways for filtering and delivery to subscriber mailboxes.
You can send marketing emails to eir.ie addresses with valid opt-in consent. Authenticate with SPF and DKIM, comply with Irish data protection law and GDPR, and honor unsubscribe requests promptly.
You can verify an eir.ie email address using an email verification service that checks MX records and performs SMTP-level mailbox validation to confirm the address is active and deliverable.
The fastest and most accurate way to verify a eir.ie 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 eir.ie'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 eir.ie 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 eir.ie 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 eir.ie 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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