Yes. You can verify any @Fastly.com address in real time with a direct SMTP handshake that provides 99.7% accuracy. Fastly.com is operated by Fastly Inc., runs 5 mail servers, enforces 3 of 3 authentication standards, and is currently responding to SMTP.
Every check returns one of three clear outcomes so you know exactly what to do with the address.
The mailbox exists and accepts mail. Send with confidence, the address is deliverable.
The mailbox does not exist, is disposable, or will hard-bounce. Remove it to protect your sender reputation.
The server is catch-all or greylisting, so existence cannot be confirmed. Send selectively and watch engagement.
fastly.com publishes 5 MX records. The primary mail exchanger is aspmx.l.google.com, hosted by Google Workspace, and it is currently reachable and answering SMTP. Mail is routed through these servers in priority order, lowest number first.
| Priority | Hostname | IP | Status |
|---|---|---|---|
| 10 | aspmx.l.google.com | 172.253.62.27 | Reachable |
| 20 | alt2.aspmx.l.google.com | 172.253.116.26 | Reachable |
| 20 | alt1.aspmx.l.google.com | 108.177.123.27 | Reachable |
| 30 | aspmx2.googlemail.com | 108.177.123.26 | Reachable |
| 30 | aspmx3.googlemail.com | 172.253.116.26 | Reachable |
220 mx.google.com ESMTP 6a1803df08f44-8ccea244f7dsi86159326d6.487 - gsmtpYes. fastly.com is a valid email domain, operated by Fastly Inc.. Addresses are persistent and real mail reaches a genuine recipient. Individual mailboxes still go stale, so verify each one before you send.
A live SMTP handshake connects to Fastly.com's mail server and asks whether the mailbox exists using the RCPT TO command, without ever transmitting a message. The recipient never sees the check.
Each address runs through 30+ checks including SMTP existence, catch-all detection, role-account filtering, and disposable matching. The same engine has verified billions of addresses since 2012.
Every unverified address is a gamble. Here is what happens when you skip verification and mail a list that has not been cleaned.
People leave companies. Verification flags fastly.com mailboxes deactivated since you collected them.
Expired or full fastly.com inboxes hard-bounce. A live SMTP check catches them before you hit send.
Low bounce rates keep you trusted by fastly.com mail servers and the major mailbox providers.
Verified contacts mean your CRM, lead scoring, and routing all run on addresses that reach a person.
Fastly.com is Fastly Inc., registered through MarkMonitor, Inc. and first seen Jul 8, 2002.
Fastly Inc. (fastly.com) is an edge cloud platform company headquartered in San Francisco, California. Fastly provides a content delivery network, edge computing, security, and video streaming services. The platform powers major websites and applications by delivering content from edge servers positioned close to end users for faster performance.
Fastly implements email authentication on the fastly.com domain with SPF, DKIM, and DMARC enforcement. As a CDN and edge security provider, Fastly maintains strong email authentication to protect its corporate communications and demonstrate the security standards expected of infrastructure providers.
Email verification against fastly.com returns definitive responses for valid and invalid mailboxes. The domain does not operate as catch-all. Fastly's mail infrastructure implements rate limiting on inbound SMTP connections.
For partners communicating with Fastly employees, proper sender authentication improves deliverability. Fastly's corporate email filters enforce SPF, DKIM, and DMARC validation. Authentication compliance ensures reliable inbox delivery to fastly.com addresses.
Upload a CSV or TXT list of Fastly.com addresses to the bulk email verifier. Every address runs through a live SMTP handshake plus catch-all, role-account and disposable detection, and you download a clean list when processing completes. For real-time checks at signup, use the real-time email verification API.
CSV or TXT with one email per line. No formatting needed.
Each Fastly.com address is checked with a live server handshake.
Get a verified list with status codes, risk flags, and catch-all detection.
Pay as you go. No subscriptions, and credits never expire.
Everything about verifying email at this domain.
Yes, fastly.com is the official corporate email domain for Fastly Inc.. It is used for internal business communications.
No, fastly.com is a corporate email domain belonging to Fastly Inc., used exclusively by employees and authorized personnel.
fastly.com uses enterprise-grade mail infrastructure. Check the MX records section for specific mail server details.
B2B marketing to fastly.com requires proper consent. Corporate domains may use catch-all configurations, so verify individual addresses before sending.
Corporate domains like fastly.com may use catch-all configurations that accept all addresses. Use BulkEmailChecker advanced verification to detect catch-all behavior and validate individual mailboxes.
Upload a CSV or TXT list to the bulk email verifier. Every address runs through 30+ checks including SMTP existence, catch-all detection, role-account, and disposable matching. Processing time depends on list size.
99.7% accurate using a direct SMTP handshake with fastly.com's mail servers, the same engine that has verified billions of addresses since 2012.
Other corporate email domains we have audited.