Is ou.edu a valid email domain?
ou.edu has working mail routing: 2 MX records pointing to Proofpoint, led by mxb-00272701.gslb.pphosted.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 quarantine.
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MX records (Proofpoint)
| Priority | Mail server | Resolves to |
|---|---|---|
| 10 | mxb-00272701.gslb.pphosted.com | 208.86.201.61 |
| 10 | mxa-00272701.gslb.pphosted.com | 208.86.201.61 |
SPF
Record published
v=spf1 include:spf.protection.outlook.com include:_tuf-spf.touchnet.com include:_spf.qualtrics.com include:aspmx.pardot.com include:servers.mcsv.net include:mail.zendesk.com ip4:67.231.145.144 include:sendgrid.net ip4:168.245.25.116 ip4:129.15.109.42 ip4:148.59.100.16/28 ip4:129.15.42.13 ip4:52.86.188.131 ip4:54.236.128.150 ip4:54.236.109.30 ip4:64.72.147.142 ip4:208.86.201.61 ip4:216.37.17.227 ip4:64.72.147.23 ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 ~all
DMARC
Policy: quarantine
v=DMARC1;p=quarantine;fo=1;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com
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 ou.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 The risk is the mailbox: outdated contacts, shared inboxes and catch-all servers.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
ou.edu uses a DMARC quarantine policy: mail that fails authentication is sent to spam. That is a sound middle step, and a good sign the owner looks after their email setup.
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Sign up to get a report summary →Frequently asked questions
- Is ou.edu a valid email domain?
- Yes. ou.edu publishes 2 MX records and can receive email. Whether a particular mailbox exists is a separate question that only a mailbox check can answer.
- Is ou.edu a disposable email domain?
- No. ou.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 ou.edu?
- mxb-00272701.gslb.pphosted.com (priority 10); mxa-00272701.gslb.pphosted.com (priority 10).
- Does ou.edu have SPF and DMARC?
- SPF: yes, ending ~all. DMARC: yes, policy quarantine.