Domain Intelligence
Last Updated:
Earthlink.net
Safe to Send
Earthlink.net is operated by EarthLink Inc.. The domain runs 4 mail exchanges and SMTP is responsive, with 2 of 3 authentication standards in place.
Safe to Send
RISK
22
/100
Low
Verify Mailbox
Verify @earthlink.net emails
Live SMTP handshake against earthlink.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
Switched after a billing dispute with NeverBounce. Same SMTP results on a 5k test sample. The MX, SPF, DKIM lookup tools are a hidden value-add for debugging client deliverability complaints. James Wexler · Growth Engineer
SOC 2 Type II
GDPR
CCPA
99.7% Accuracy
Disposable
No
Persistent addresses, not throwaway
SMTP Live
Yes
Mail server responds to SMTP handshake
MX Records
4
Mail exchangers
Mail Exchange (MX) Records for earthlink.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.
#5
mx04.earthlink-vadesecure.net 147.135.98.120
Reachable
#5
mx03.earthlink-vadesecure.net 51.81.232.218
Reachable
#5
mx02.earthlink-vadesecure.net 51.81.61.71
Reachable
#5
mx01.earthlink-vadesecure.net 51.81.61.70
Reachable
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.
Responsive
BANNER220 Welcome to mx04.earthlink-vadesecure.net ESMTP vsel2nmtai02p
Primary mail server accepted SMTP connection and returned a banner during the live audit.
earthlink.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 mx a ip4:208.89.14.209/32 ip4:208.89.13.209/32 ip4:208.89.14.202/32 ip4:24.41.67.0/24 ip4:15.204.141.63/32 ip4:15.204.141.62/32 ip4:51.81.221.83/32 ip4:51.81.221.17/32 include:spf.earthlink-vadesecure.net -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 earthlink.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.
None
TXTv=DMARC1; p=none; adkim=r; aspf=r; pct=100;
Monitoring only. Receivers take no action when SPF or DKIM fails.
earthlink.net Domain Registration WHOIS · Nameservers · Registrar
RegistrarCSC Corporate Domains, Inc.
IANA ID299
RegisteredJune 5, 1994
Last UpdatedApril 24, 2026
ExpiresJune 5, 2026
Age31 years
TLD.net
Authoritative Nameservers (2)
- carl.ns.cloudflare.com
- rihana.ns.cloudflare.com
Registrant
Earthlink Inc
GA, UNITED STATES
About this Domain
About earthlink.net
earthlink.net is a U.S. ISP email domain from EarthLink Inc., one of America's early commercial internet service providers founded in 1994 and based in Atlanta. EarthLink continues to provide broadband and email services to American consumers.
earthlink.net implements SPF authentication. EarthLink maintains anti-spam filtering for its subscriber base.
The earthlink.net mail servers enforce recipient verification and reject invalid addresses. The domain does not function as catch-all. Rate limiting applies.
For delivery to earthlink.net, authenticate with SPF. Follow CAN-SPAM requirements and maintain clean lists.
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Common Questions About earthlink.net
Is earthlink.net a disposable or temporary email provider?
No. earthlink.net is not a disposable email provider. It is classified as ISP Email Provider operated by EarthLink Inc. and addresses on earthlink.net are persistent rather than throwaway. Mail sent to a valid earthlink.net mailbox reaches a real recipient.
How do I verify if a earthlink.net email address is valid?
The fastest way to verify a earthlink.net email address is to use our free email checker. Enter any @earthlink.net mailbox at the top of this page and our system performs a real-time SMTP handshake against earthlink.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 earthlink.net email exists without sending a message?
Yes. Our real-time email verification API connects directly to earthlink.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 earthlink.net mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for earthlink.net?
earthlink.net currently publishes 4 mail exchange (MX) records. The primary MX is mx04.earthlink-vadesecure.net, which is the first server contacted when other mail systems try to deliver email to a earthlink.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 earthlink.net.
Does earthlink.net use SPF, DKIM, and DMARC email authentication?
earthlink.net has 2 of the 3 standard email authentication records in place: SPF, and DMARC (policy: none). Adding the missing layer(s) would tighten anti-spoofing protection and improve deliverability for legitimate earthlink.net mail.
Why do emails to earthlink.net bounce or get blocked?
Bounces from earthlink.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 earthlink.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 earthlink.net's receivers trust you.
How can I verify a large list of earthlink.net email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of earthlink.net addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, earthlink.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 earthlink.net email addresses?
Yes, with normal hygiene. earthlink.net is a legitimate email service and signups from @earthlink.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 earthlink.net by default.
What email format does earthlink.net use for usernames?
Most earthlink.net mailboxes follow common patterns like first.last@earthlink.net, firstinitiallast@earthlink.net, or first@earthlink.net, but the actual local-part rules depend on EarthLink Inc.. The only reliable way to confirm whether a specific @earthlink.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 earthlink.net risk score calculated?
The 0-to-100 risk score for earthlink.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 earthlink.net score is recomputed on every audit so it always reflects the live state of the domain.
Is earthlink.net a valid email domain?
Yes, earthlink.net is a valid email domain provided by EarthLink Inc. to its internet service subscribers.
Is earthlink.net a disposable or temporary email provider?
No, earthlink.net is an ISP email domain from EarthLink Inc., provided to subscribers as part of their internet service package.
What mail server does earthlink.net use?
earthlink.net uses mail servers operated by EarthLink Inc.. Check the MX records section above for details.
Can I send marketing emails to earthlink.net addresses?
Yes, with opt-in consent. ISP email addresses may become inactive if the subscriber cancels service. Regular list verification helps maintain deliverability.
How do I verify an email address at earthlink.net?
ISP email addresses at earthlink.net can be verified via SMTP checks. Addresses can become invalid when subscribers change providers.