Domain Intelligence
Last Updated:

Cofc.edu

Safe to Send

Cofc.edu is operated by College of Charleston. The domain runs 1 mail exchange and SMTP is responsive, with all three authentication standards in force.

Safe to Send
Verify Mailbox

Verify @cofc.edu emails

Live SMTP handshake against cofc.edu mail servers. No email is sent. 10 free per day, no signup.

@cofc.edu
No email sent No signup Real-time SMTP

Trusted by 400,000+ senders

4.9/5
From 8,500+ verified reviews
The risk score saves my team probably an hour a day in manual prospect research. We sort outreach lists by it and skip anything in the high-risk band. Bounce rate is the lowest it's ever been. Lisa Fonseca · SDR Team Lead
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 cofc.edu 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.

1 RECORD
#0
cofc-edu.mail.protection.outlook.com 52.101.9.5
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 SJ1PEPF00002324.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Tue, 12 May 2026 15:10:49 +0000 [08DEADD48A40363C]
Primary mail server accepted SMTP connection and returned a banner during the live audit.

cofc.edu Email Authentication SPF · DKIM · DMARC

3/3 PASS
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 redirect=cofc.edu.hosted.spf-report.com
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. Pass
SELECTORDetected via standard selectors
A DKIM signature was detected. Outbound mail from this domain can be cryptographically verified.
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; rua=mailto:0bb4e4f9@mxtoolbox.dmarc-report.com,mailto:dm-aggregate@cofc.edu; ruf=mailto:0bb4e4f9@forensics.dmarc-report.com,mailto:dm-fail@cofc.edu;
Monitoring only. Receivers take no action when SPF or DKIM fails.

cofc.edu Domain Registration WHOIS · Nameservers · Registrar

34 YEARS OLD
RegisteredJanuary 3, 1992
Last UpdatedMarch 20, 2026
ExpiresJuly 31, 2026
Age34 years
TLD.edu
Authoritative Nameservers (4)
  • NS-614.AWSDNS-12.NET
  • NS-502.AWSDNS-62.COM
  • NS-1531.AWSDNS-63.ORG
  • NS-1552.AWSDNS-02.CO.UK
Registrant
College of Charleston
Charleston, SC, UNITED STATES
Technical Contact
Domain Admin College of Charleston
dns@cofc.edu·Charleston, SC, UNITED STATES·18439535595

Other Domains Similar to cofc.edu

Other education email domains we've audited. Click any one to see its MX records, authentication, and risk score.

More Email Verification Tools

Free single-address checks, bulk uploads, and APIs for plugging email verification into your own product.

Common Questions About cofc.edu

Is cofc.edu a disposable or temporary email provider?
No. cofc.edu is not a disposable email provider. It is classified as Education Email operated by College of Charleston and addresses on cofc.edu are persistent rather than throwaway. Mail sent to a valid cofc.edu mailbox reaches a real recipient.
How do I verify if a cofc.edu email address is valid?
The fastest way to verify a cofc.edu email address is to use our free email checker. Enter any @cofc.edu mailbox at the top of this page and our system performs a real-time SMTP handshake against cofc.edu'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 cofc.edu email exists without sending a message?
Yes. Our real-time email verification API connects directly to cofc.edu'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 cofc.edu mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for cofc.edu?
cofc.edu currently publishes 1 mail exchange (MX) record. The primary MX is cofc-edu.mail.protection.outlook.com, which is the first server contacted when other mail systems try to deliver email to a cofc.edu 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 cofc.edu.
Does cofc.edu use SPF, DKIM, and DMARC email authentication?
cofc.edu enforces all three email authentication standards: SPF, DKIM, and DMARC (policy: none). This is the gold-standard configuration. It means receivers can verify that mail claiming to come from @cofc.edu is genuine, and cofc.edu's DMARC policy of 'none' instructs receivers how to handle messages that fail those checks.
Why do emails to cofc.edu bounce or get blocked?
Bounces from cofc.edu 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 cofc.edu'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 cofc.edu's receivers trust you.
How can I verify a large list of cofc.edu email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of cofc.edu addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, cofc.edu 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 cofc.edu email addresses?
Yes, with normal hygiene. cofc.edu is a legitimate email service and signups from @cofc.edu 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 cofc.edu by default.
What email format does cofc.edu use for usernames?
Most cofc.edu mailboxes follow common patterns like first.last@cofc.edu, firstinitiallast@cofc.edu, or first@cofc.edu, but the actual local-part rules depend on College of Charleston. The only reliable way to confirm whether a specific @cofc.edu 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 cofc.edu risk score calculated?
The 0-to-100 risk score for cofc.edu 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 cofc.edu score is recomputed on every audit so it always reflects the live state of the domain.
Is cofc.edu a valid education email domain?
Yes, cofc.edu is a valid educational institution email domain operated by College of Charleston. It is used by students, faculty, and staff for academic correspondence.
Is cofc.edu a disposable or temporary email provider?
No, cofc.edu is not a disposable or temporary email provider. It is an institutional email domain. However, student email addresses may be deactivated after graduation depending on the institution's policy.
What mail server does cofc.edu use?
cofc.edu uses mail servers managed by or on behalf of College of Charleston. Many universities use Microsoft 365 or Google Workspace for their email infrastructure. Check the MX records section above for details.
Can I send marketing emails to cofc.edu addresses?
You can send emails to cofc.edu addresses with proper consent. Be aware that educational institutions often employ strict spam filtering, and student addresses may become inactive after graduation. Regular list hygiene is recommended.
How do I verify an email address at cofc.edu?
Use BulkEmailChecker to verify cofc.edu addresses. Educational domains may use catch-all configurations or have specific SMTP behaviors. Our tool handles these institution-specific configurations automatically.