Is kyoto-u.ac.jp a valid email domain?
kyoto-u.ac.jp can receive email. It publishes 5 mail servers, run by Google (Gmail or Google Workspace), and the first choice is 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.
Check an email address at kyoto-u.ac.jp
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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 | 142.250.147.26, 2a00:1450:4025:c01::1a |
| 5 | alt2.aspmx.l.google.com | 172.253.152.26, 2a00:1450:4010:c22::1b |
| 10 | alt3.aspmx.l.google.com | 192.179.20.27, 2404:6800:4000:1027::1b |
| 10 | alt4.aspmx.l.google.com | 192.178.158.26, 2404:6800:4013:813::1b |
SPF
Record published
v=spf1 include:_spf.iimc.kyoto-u.ac.jp ~all
DMARC
Policy: none
v=DMARC1; p=none; rua=mailto:kumail-report@mail2.adm.kyoto-u.ac.jp
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 kyoto-u.ac.jp 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 The risk is the mailbox: outdated contacts, shared inboxes and catch-all servers.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
kyoto-u.ac.jp 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 kyoto-u.ac.jp a valid email domain?
- Yes. kyoto-u.ac.jp 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 kyoto-u.ac.jp a disposable email domain?
- No. kyoto-u.ac.jp 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 kyoto-u.ac.jp?
- aspmx.l.google.com (priority 1); alt1.aspmx.l.google.com (priority 5); alt2.aspmx.l.google.com (priority 5); alt3.aspmx.l.google.com (priority 10); alt4.aspmx.l.google.com (priority 10).
- Does kyoto-u.ac.jp have SPF and DMARC?
- SPF: yes, ending ~all. DMARC: yes, policy none.