peacock.com - Email Domain Verification & Deliverability Report

Active Corporate Email
Organization: NBCUniversal
Mail Server: Proofpoint
Verified 2 days ago

Verify email addresses @peacock.com. View MX records, mail server configuration, and authentication status for NBCUniversal.

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MX Records for peacock.com

PriorityMail ServerIP Address
10 mxa-00176a04.gslb.pphosted.com 67.231.157.49
10 mxb-00176a04.gslb.pphosted.com 67.231.149.53
20 mx0b-00176a04.pphosted.com 67.231.157.49
20 mx0a-00176a04.pphosted.com 67.231.149.53
SMTP Status: Responding
SMTP Banner:
220 mx0b-00176a04.pphosted.com ESMTP mfa-m0296267

peacock.com uses Proofpoint mail servers, which means emails are processed through Proofpoint infrastructure with their built-in spam filtering and security controls.

Email Authentication for peacock.com

SPF Record Missing

No SPF record found for this domain.

DMARC Record Missing

No DMARC record found for this domain.

DKIM Not Detected

DKIM detection is limited from external scanning. The domain may use DKIM with selectors not covered by our scan.

Authentication Summary: No email authentication records were detected for peacock.com. This may indicate emails from this domain are more susceptible to spoofing.

WHOIS & Domain Information

Registration Details

Domain
peacock.com
TLD
.com
Created
1995-07-28
Updated
2024-09-23
Expires
2029-12-11
Domain Age
30 years

Registrar

Name
MarkMonitor, Inc.
IANA ID
292

Registrant Contact

Name
Domain Administrator
Organization
DNStination Inc.
Location
San Francisco, CA, UNITED STATES

Technical Contact

Name
Domain Administrator
Location
UNITED STATES

Name Servers

  • a13-64.akam.net
  • a20-65.akam.net
  • a1-130.akam.net
  • a6-67.akam.net
  • a2-64.akam.net
  • a5-65.akam.net

How to Verify peacock.com Email Addresses

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Use BulkEmailChecker's free email verification tool to instantly validate any peacock.com address. You'll get a complete deliverability report including mailbox existence, catch-all detection, disposable domain flagging, and risk scoring, all in under 3 seconds.

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Have a mailing list full of peacock.com addresses? Upload your CSV or TXT file to BulkEmailChecker and verify thousands of email addresses in minutes. Our bulk verification engine runs 30+ checks per address including syntax validation, DNS resolution, SMTP handshake, and spam trap detection. Clean your list before every campaign to keep bounce rates below 2% and protect your sender score. See bulk pricing.

Verify peacock.com Emails via API in Real-Time
Building a signup form, CRM integration, or lead capture system? BulkEmailChecker's real-time verification API validates peacock.com email addresses at the point of entry, blocking invalid, disposable, and risky addresses before they enter your database. Integrate with a single API call and prevent bad data at the source.

Frequently Asked Questions

Yes, peacock.com is the official corporate email domain for NBCUniversal. It is used for internal business communications.
No, peacock.com is a corporate email domain belonging to NBCUniversal, used exclusively by employees and authorized personnel.
peacock.com uses enterprise-grade mail infrastructure. Check the MX records section for specific mail server details.
B2B marketing to peacock.com requires proper consent. Corporate domains may use catch-all configurations, so verify individual addresses before sending.
Corporate domains like peacock.com may use catch-all configurations that accept all addresses. Use BulkEmailChecker advanced verification to detect catch-all behavior and validate individual mailboxes.
The fastest and most accurate way to verify a peacock.com email address is to use BulkEmailChecker's free email verification tool. Simply enter the full email address and our system performs SMTP-level validation by connecting directly to peacock.com's mail servers. You'll get instant results showing whether the mailbox exists, is deliverable, and is safe to send to, all without sending a single email.
Yes. BulkEmailChecker uses SMTP verification to check if a peacock.com mailbox exists without ever delivering an email. Our system connects to the domain's mail server, performs an SMTP handshake, and queries the mail server to confirm whether the recipient address is valid. This process is completely invisible to the email recipient and does not affect your sender reputation.
Sending to invalid email addresses causes hard bounces, which directly damage your sender reputation. Internet Service Providers (ISPs) and email providers track your bounce rate, and if it exceeds 2%, your emails may start landing in spam folders or get blocked entirely. Verifying peacock.com addresses with BulkEmailChecker before sending prevents bounces and keeps your deliverability high.
BulkEmailChecker's bulk verification service lets you upload a CSV or TXT file containing thousands of peacock.com email addresses and verify them all at once. Each address goes through 30+ verification checks including syntax validation, DNS/MX lookup, SMTP verification, disposable domain detection, and spam trap identification. Results are typically ready within minutes and can be downloaded as a clean, verified list.
Email verification is the process of confirming that an email address is real, properly formatted, and capable of receiving messages. It matters because sending to invalid addresses causes bounces, damages your sender reputation, wastes marketing budget, and can get your sending IP blacklisted. BulkEmailChecker verifies addresses at the SMTP level, the most accurate method available, ensuring your emails reach real people.
MX (Mail Exchange) records are DNS entries that specify which mail servers are responsible for receiving email for a domain. When you send an email, your mail server looks up the recipient domain's MX records to find where to deliver the message. If a domain has no MX records, it cannot receive email. BulkEmailChecker checks MX records as part of every verification to confirm the domain is configured for email delivery.
A catch-all (or accept-all) domain is configured to accept email sent to any address at that domain, regardless of whether the specific mailbox exists. This makes it harder to verify individual addresses because the server always responds positively. BulkEmailChecker detects catch-all configurations and flags them in verification results so you can make informed decisions about sending to those addresses.
Yes. BulkEmailChecker offers a real-time email verification API that you can integrate into signup forms, CRM systems, lead capture tools, and any application that collects email addresses. The API validates addresses at the point of entry, blocking invalid, disposable, and risky emails before they enter your database. Integration takes just a single API call with response times under 3 seconds.

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