Is williams.edu a valid email domain?
williams.edu has working mail routing: 5 MX records pointing to Google (Gmail or Google Workspace), led by aspmx.l.google.com.
It is not a free provider and is not on our disposable list, so addresses here usually belong to a company, school or other organisation.
SPF is published and ends with ~all. DMARC is set to none.
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MX records (Google (Gmail or Google Workspace))
| Priority | Mail server | Resolves to |
|---|---|---|
| 1 | aspmx.l.google.com | 142.251.127.26, 2a00:1450:4001:c21::1b |
| 5 | alt1.aspmx.l.google.com | 142.250.147.27, 2a00:1450:4025:c01::1a |
| 5 | alt2.aspmx.l.google.com | 172.253.152.27, 2a00:1450:4010:c22::1b |
| 10 | alt4.aspmx.l.google.com | 192.178.158.26, 2404:6800:4013:813::1b |
| 10 | alt3.aspmx.l.google.com | 192.179.20.27, 2404:6800:4000:1027::1b |
SPF
Record published
v=spf1 ip4:137.165.4.27 ip4:137.165.4.207 ip4:137.165.4.24 ip4:137.165.4.26 ip4:137.165.8.2 ip4:137.165.37.207 include:_spf.google.com include:_spf.williams.edu include:_spf2.williams.edu include:servers.mcsv.net ~all
DMARC
Policy: none
v=DMARC1; p=none; sp=none; rua=mailto:dmarc@williams.edu
Disposable?
No, not on our disposable list.
Free provider?
No, not a known free provider.
What this means for your email list
What this means for addresses at this domain
Mail routing for williams.edu is healthy, so the domain is not the risk. The risk is the mailbox: outdated contacts, shared inboxes and catch-all servers. A mailbox-level check tells you which addresses are safe to send to.
Sender authentication
williams.edu has DMARC in monitoring mode (p=none). It collects reports but does not yet block spoofed mail, so the domain is easier to impersonate.
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Sign up to get a report summary →Frequently asked questions
- Is williams.edu a valid email domain?
- Yes. williams.edu publishes 5 MX records and can receive email. Whether a particular mailbox exists is a separate question that only a mailbox check can answer.
- Is williams.edu a disposable email domain?
- No. williams.edu is not on our disposable list. The list is updated regularly, and new throwaway domains appear all the time.
- What are the MX records for williams.edu?
- aspmx.l.google.com (priority 1); alt1.aspmx.l.google.com (priority 5); alt2.aspmx.l.google.com (priority 5); alt4.aspmx.l.google.com (priority 10); alt3.aspmx.l.google.com (priority 10).
- Does williams.edu have SPF and DMARC?
- SPF: yes, ending ~all. DMARC: yes, policy none.