frontier.com - Email Domain Verification & Deliverability Report

Active ISP Email Provider
Organization: Frontier Communications
Mail Server: Yahoo Mail
Verified 6 days ago

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

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MX Records for frontier.com

PriorityMail ServerIP Address
1 mta6.am0.yahoodns.net 67.195.204.72
1 mta7.am0.yahoodns.net 67.195.204.73
1 mta5.am0.yahoodns.net 98.136.96.91
SMTP Status: Responding
SMTP Banner:
220 mtaproxy306.free.mail.bf1.yahoo.com ESMTP ready

frontier.com uses Yahoo Mail mail servers, which means emails are processed through Yahoo Mail infrastructure with their built-in spam filtering and security controls.

Email Authentication for frontier.com

SPF Record Pass

v=spf1 include:_spf.frontier.com include:_spf.mail.yahoo.com include:sendgrid.net include:mktomail.com include:icpbounce.com include:spf-0019f703.pphosted.com include:_netblocks.act-on.net ip4:44.238.97.35 ~all
Authorized Senders:
_spf.frontier.com _spf.mail.yahoo.com sendgrid.net mktomail.com icpbounce.com spf-0019f703.pphosted.com _netblocks.act-on.net

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

DMARC Record None

v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

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

DKIM Found

DKIM signatures were detected for frontier.com, confirming that this domain cryptographically signs outgoing emails.

Authentication Summary: frontier.com 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
frontier.com
TLD
.com
Created
1992-06-18
Updated
2025-02-19
Expires
2026-06-17
Domain Age
33 years

Registrar

Name
Register.com, Inc.
IANA ID
1375

Registrant Contact

Name
PERFECT PRIVACY, LLC
Location
Jacksonville, FL, UNITED STATES

Technical Contact

Name
PERFECT PRIVACY, LLC
Location
UNITED STATES

Name Servers

  • auth.frontiernet.net
  • a1-204.akam.net
  • auth.roch.ny.frontiernet.net
  • a13-67.akam.net
  • auth.asbn.va.frontiernet.net

About frontier.com

frontier.com is a U.S. ISP domain from Frontier Communications, a telecommunications company providing broadband, phone, and TV services, particularly in rural and suburban areas. Frontier has undergone significant restructuring and continues to expand its fiber network.

frontier.com implements SPF authentication. Frontier maintains anti-spam filtering for its subscriber base.

The frontier.com mail servers validate recipients and reject invalid addresses. The domain does not function as catch-all.

For delivery to frontier.com, authenticate with SPF. Follow CAN-SPAM requirements.

How to Verify frontier.com Email Addresses

Need to check if an email address at frontier.com actually exists before you send to it? BulkEmailChecker performs deep SMTP-level validation, connecting directly to frontier.com'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 frontier.com Email
Use BulkEmailChecker's free email verification tool to instantly validate any frontier.com 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 frontier.com Emails in Bulk
Have a mailing list full of frontier.com 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 frontier.com Emails via API in Real-Time
Building a signup form, CRM integration, or lead capture system? BulkEmailChecker's real-time verification API validates frontier.com 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, frontier.com is a valid email domain provided by Frontier Communications to its internet service subscribers.
No, frontier.com is an ISP email domain from Frontier Communications, provided to subscribers as part of their internet service package.
frontier.com uses mail servers operated by Frontier Communications. Check the MX records section above for details.
Yes, with opt-in consent. ISP email addresses may become inactive if the subscriber cancels service. Regular list verification helps maintain deliverability.
ISP email addresses at frontier.com can be verified via SMTP checks. Addresses can become invalid when subscribers change providers.
The fastest and most accurate way to verify a frontier.com 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 frontier.com'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 frontier.com 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 frontier.com 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 frontier.com 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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