Domain Intelligence
Last Updated:
Plusnet.com
Proceed With Care
Plusnet.com is operated by Plusnet / BT. The domain runs 1 mail exchange and SMTP is responsive, with no email authentication detected.
Proceed With Care
RISK
51
/100
Medium
Verify Mailbox
Verify @plusnet.com emails
Live SMTP handshake against plusnet.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
Ran our entire 47k cold outbound list through this before our Q1 push. Bounce rate dropped from 9.4% to 0.8%. The SMTP-level catch on outdated B2B contacts is what set this apart from the other verifiers I tried. Andrew Mitchell · Sr. Demand Gen Manager
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
1
Mail exchangers
Mail Exchange (MX) Records for plusnet.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.
#10
mx.core.plus.net 212.159.9.1
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 mx.core.plus.net ESMTP Exim Mon, 11 May 2026 09:10:30 +0100
Primary mail server accepted SMTP connection and returned a banner during the live audit.
plusnet.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.
Missing
No SPF TXT record published for plusnet.com.
No valid SPF record was published. Receivers cannot confirm which servers are allowed to send mail for this domain.
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 plusnet.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.
Missing
No DMARC record published at _dmarc.plusnet.com.
No DMARC policy is published. Receivers have no instruction for handling failed messages from this domain.
plusnet.com Domain Registration WHOIS · Nameservers · Registrar
RegistrarNetwork Solutions, LLC
IANA ID2
RegisteredMay 1, 1996
Last UpdatedDecember 23, 2025
ExpiresMay 2, 2027
Age29 years
TLD.com
Authoritative Nameservers (2)
- NS1.FORCE9.NET
- NS2.FORCE9.NET
Registrant
Statutory Masking Enabled
Statutory Masking Enabled
dataprotected@maskeddetails.com·Statutory Masking Enabled, London, UNITED STATES
Technical Contact
Statutory Masking Enabled
Statutory Masking Enabled
dataprotected@maskeddetails.com·Statutory Masking Enabled, Statutory Masking Enabled, UNITED STATES
About this Domain
About plusnet.com
plusnet.com is a UK ISP domain from Plusnet, a broadband provider owned by BT Group. Based in Sheffield, Plusnet provides budget-friendly broadband and phone services to UK consumers.
plusnet.com implements SPF authentication through BT Group infrastructure. Compliant with UK GDPR.
The mail servers validate recipients and reject invalid addresses. The domain does not function as catch-all.
For delivery, authenticate with SPF and DKIM. Follow UK email regulations.
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Common Questions About plusnet.com
Is plusnet.com a disposable or temporary email provider?
No. plusnet.com is not a disposable email provider. It is classified as ISP Email Provider operated by Plusnet / BT and addresses on plusnet.com are persistent rather than throwaway. Mail sent to a valid plusnet.com mailbox reaches a real recipient.
How do I verify if a plusnet.com email address is valid?
The fastest way to verify a plusnet.com email address is to use our free email checker. Enter any @plusnet.com mailbox at the top of this page and our system performs a real-time SMTP handshake against plusnet.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 plusnet.com email exists without sending a message?
Yes. Our real-time email verification API connects directly to plusnet.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 plusnet.com mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for plusnet.com?
plusnet.com currently publishes 1 mail exchange (MX) record. The primary MX is mx.core.plus.net, which is the first server contacted when other mail systems try to deliver email to a plusnet.com 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 plusnet.com.
Does plusnet.com use SPF, DKIM, and DMARC email authentication?
plusnet.com does not currently publish any of the three standard email authentication records (SPF, DKIM, DMARC). This means receivers have no automated way to confirm whether mail claiming to come from @plusnet.com is legitimate, which can hurt deliverability and increases the risk of spoofing.
Why do emails to plusnet.com bounce or get blocked?
Bounces from plusnet.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 plusnet.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 plusnet.com's receivers trust you.
How can I verify a large list of plusnet.com email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of plusnet.com addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, plusnet.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 plusnet.com email addresses?
Yes, with normal hygiene. plusnet.com is a legitimate email service and signups from @plusnet.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 plusnet.com by default.
What email format does plusnet.com use for usernames?
Most plusnet.com mailboxes follow common patterns like first.last@plusnet.com, firstinitiallast@plusnet.com, or first@plusnet.com, but the actual local-part rules depend on Plusnet / BT. The only reliable way to confirm whether a specific @plusnet.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 plusnet.com risk score calculated?
The 0-to-100 risk score for plusnet.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 plusnet.com score is recomputed on every audit so it always reflects the live state of the domain.
Is plusnet.com a valid ISP email domain?
Yes, plusnet.com is a valid email domain provided by Plusnet / BT to its internet subscribers. It is a legitimate ISP-issued email address.
Is plusnet.com a disposable or temporary email provider?
No, plusnet.com is not a disposable or temporary email provider. It is an ISP-provided email service tied to an internet subscription from Plusnet / BT.
What mail server does plusnet.com use?
plusnet.com uses mail servers operated by Plusnet / BT. Check the MX records section above for specific server details and authentication configuration.
Can I send marketing emails to plusnet.com addresses?
Yes, you can send marketing emails to plusnet.com addresses with proper opt-in consent. ISP email providers apply spam filtering, and addresses may become inactive if subscribers cancel their internet service. Regular list verification is recommended.
How do I verify an email address at plusnet.com?
Use BulkEmailChecker to verify plusnet.com addresses via SMTP checks. ISP domains may have specific rate limiting or greylisting behaviors. Our tool handles these provider-specific configurations automatically.