Domain Intelligence
Last Updated:

Covance.com

Safe to Send

Covance.com is operated by Covance Inc.. The domain runs 4 mail exchanges and SMTP is not currently responding, with 2 of 3 authentication standards in place.

Safe to Send
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Live SMTP handshake against covance.com mail servers. No email is sent. 10 free per day, no signup.

@covance.com
No email sent No signup Real-time SMTP

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Disposable
No
Persistent addresses, not throwaway
SMTP Live
No
Mail server not responding to SMTP
MX Records
4
Mail exchangers

Mail Exchange (MX) Records for covance.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.

4 RECORDS
#10
nadcsmtp02.covance.com 208.66.166.157
No Response
#10
nadcsmtp01.covance.com 208.66.166.156
No Response
#20
nadcsmtp04.covance.com 208.66.166.216
No Response
#20
nadcsmtp03.covance.com 208.66.166.215
No Response
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 covance.com may bounce.

covance.com Email Authentication SPF · DKIM · DMARC

2/3 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 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~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 covance.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.

covance.com Domain Registration WHOIS · Nameservers · Registrar

29 YEARS OLD
RegistrarCSC Corporate Domains, Inc.
IANA ID299
RegisteredMarch 12, 1997
Last UpdatedApril 20, 2026
ExpiresMarch 13, 2027
Age29 years
TLD.com
Authoritative Nameservers (2)
  • DNS3.LABCORP.COM
  • DNS4.LABCORP.COM
Registrant
Covance, Inc.
NJ, UNITED STATES

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Common Questions About covance.com

Is covance.com a disposable or temporary email provider?
No. covance.com is not a disposable email provider. It is classified as Corporate Email operated by Covance Inc. and addresses on covance.com are persistent rather than throwaway. Mail sent to a valid covance.com mailbox reaches a real recipient.
How do I verify if a covance.com email address is valid?
The fastest way to verify a covance.com email address is to use our free email checker. Enter any @covance.com mailbox at the top of this page and our system performs a real-time SMTP handshake against covance.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 covance.com email exists without sending a message?
Yes. Our real-time email verification API connects directly to covance.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 covance.com mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for covance.com?
covance.com currently publishes 4 mail exchange (MX) records. The primary MX is nadcsmtp02.covance.com, which is the first server contacted when other mail systems try to deliver email to a covance.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 covance.com.
Does covance.com use SPF, DKIM, and DMARC email authentication?
covance.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 covance.com mail.
Why do emails to covance.com bounce or get blocked?
Bounces from covance.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 covance.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 covance.com's receivers trust you.
How can I verify a large list of covance.com email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of covance.com addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, covance.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 covance.com email addresses?
Yes, with normal hygiene. covance.com is a legitimate email service and signups from @covance.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 covance.com by default.
What email format does covance.com use for usernames?
Most covance.com mailboxes follow common patterns like first.last@covance.com, firstinitiallast@covance.com, or first@covance.com, but the actual local-part rules depend on Covance Inc.. The only reliable way to confirm whether a specific @covance.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 covance.com risk score calculated?
The 0-to-100 risk score for covance.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 covance.com score is recomputed on every audit so it always reflects the live state of the domain.
Is covance.com a valid corporate email domain?
Yes, covance.com is the official corporate email domain for Covance Inc.. It is used for internal business communications and is not available for public registration.
Is covance.com a disposable or temporary email provider?
No, covance.com is a corporate email domain belonging to Covance Inc., used exclusively by employees and authorized personnel.
What mail server does covance.com use?
covance.com uses enterprise-grade mail infrastructure. Check the MX records section above for specific mail server details.
Can I send marketing emails to covance.com addresses?
B2B marketing to covance.com requires proper consent. Corporate domains may use catch-all configurations, so verify individual addresses before sending.
How do I verify an email address at covance.com?
Corporate domains like covance.com may use catch-all configurations. Use BulkEmailChecker's advanced verification to detect catch-all behavior.