Domain Intelligence
Last Updated:
Embarq.com
Proceed With Care
Embarq.com is operated by Embarq. The domain runs no MX records and SMTP is not currently responding, with 2 of 3 authentication standards in place.
Proceed With Care
RISK
55
/100
Medium
Verify Mailbox
Verify @embarq.com emails
Live SMTP handshake against embarq.com 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
Plugged the realtime API into our signup form on a Saturday afternoon. Caught 14 disposable domains in the first hour. Setup was honestly easier than the docs implied. Marcus Tanaka · Co-founder, B2B SaaS
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
0
Mail exchangers
Mail Exchange (MX) Records for embarq.com 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.
No MX records were found for this domain. The domain cannot receive mail.
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 embarq.com may bounce.
embarq.com 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 -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 embarq.com.
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.
Reject
TXTv=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com
Strict policy. Receivers are instructed to reject any mail that fails SPF or DKIM. The strongest available setting.
embarq.com Domain Registration WHOIS · Nameservers · Registrar
RegistrarCSC Corporate Domains, Inc.
IANA ID299
RegisteredJune 18, 1999
Last UpdatedApril 22, 2026
ExpiresJune 18, 2026
Age26 years
TLD.com
Authoritative Nameservers (2)
- AUTHNS2.CENTURYLINK.NET
- AUTHNS1.CENTURYLINK.NET
Registrant
CenturyLink, Inc.
CO, UNITED STATES
About this Domain
About embarq.com
embarq.com is the email domain for Embarq, a former US telecommunications company that was spun off from Sprint's local telephone operations. Embarq was later acquired by CenturyLink (now Lumen Technologies). Legacy embarq.com email accounts continue to be maintained for existing subscribers.
embarq.com supports SPF authentication through Lumen Technologies infrastructure. DKIM and DMARC configurations are maintained at standard levels. Proper authentication alignment is important for delivery to embarq.com mailboxes.
The embarq.com mail servers, now managed by Lumen infrastructure, validate recipients during SMTP sessions and apply anti-spam filtering including reputation evaluation and content scanning.
For delivery to embarq.com, authenticate with SPF and DKIM, maintain clean lists, and comply with CAN-SPAM. Lumen delivery practices generally apply to legacy Embarq domains.
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Common Questions About embarq.com
Is embarq.com a disposable or temporary email provider?
No. embarq.com is not a disposable email provider. It is classified as ISP Email Provider operated by Embarq and addresses on embarq.com are persistent rather than throwaway. Mail sent to a valid embarq.com mailbox reaches a real recipient.
How do I verify if a embarq.com email address is valid?
The fastest way to verify a embarq.com email address is to use our free email checker. Enter any @embarq.com mailbox at the top of this page and our system performs a real-time SMTP handshake against embarq.com'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 embarq.com email exists without sending a message?
Yes. Our real-time email verification API connects directly to embarq.com'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 embarq.com mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for embarq.com?
embarq.com has no MX records published, which means the domain cannot currently receive email. Any message sent to a embarq.com address will hard-bounce at the sending server.
Does embarq.com use SPF, DKIM, and DMARC email authentication?
embarq.com has 2 of the 3 standard email authentication records in place: SPF, and DMARC (policy: reject). Adding the missing layer(s) would tighten anti-spoofing protection and improve deliverability for legitimate embarq.com mail.
Why do emails to embarq.com bounce or get blocked?
Bounces from embarq.com 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 embarq.com'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 embarq.com's receivers trust you.
How can I verify a large list of embarq.com email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of embarq.com addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, embarq.com 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 embarq.com email addresses?
Yes, with normal hygiene. embarq.com is a legitimate email service and signups from @embarq.com 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 embarq.com by default.
What email format does embarq.com use for usernames?
Most embarq.com mailboxes follow common patterns like first.last@embarq.com, firstinitiallast@embarq.com, or first@embarq.com, but the actual local-part rules depend on Embarq. The only reliable way to confirm whether a specific @embarq.com 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 embarq.com risk score calculated?
The 0-to-100 risk score for embarq.com 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 embarq.com score is recomputed on every audit so it always reflects the live state of the domain.
Is embarq.com a valid email domain?
Yes, embarq.com is a valid email domain originally operated by Embarq, now maintained by Lumen Technologies (formerly CenturyLink). Legacy email accounts remain active for existing subscribers.
Is embarq.com a disposable or temporary email service?
No, embarq.com is not a disposable or temporary email service. It is a permanent ISP email domain with legacy accounts maintained by Lumen Technologies for former Embarq subscribers.
What mail servers does embarq.com use?
embarq.com uses mail servers managed by Lumen Technologies infrastructure. The MX records direct inbound email to Lumen-operated gateways for filtering and delivery to legacy Embarq mailboxes.
Can I send marketing emails to embarq.com addresses?
You can send marketing emails to embarq.com addresses with valid opt-in consent. Authenticate with SPF and DKIM, comply with CAN-SPAM, and maintain low complaint rates.
How do I verify an embarq.com email address?
You can verify an embarq.com email address using an email verification tool that checks MX records and performs SMTP-level validation to confirm the mailbox is active and deliverable.