Skip to content
Gridlode
Rank #5,839Updated November 10, 2026

oapen.org

OAPEN Home | OAPEN

oapen.org is registered with Cloudflare, Inc. since November 17, 2007 (19.0 years). The registration expires on November 17, 2027. The site runs on jsDelivr, Mailchimp, Fancybox and 1 other technologies. Its email security grade is C. Its SSL certificate is issued by Let's Encrypt and is valid for 77 more days.

Domain age
19.0 yrs
Technologies
4
Email security
C
SSL days left
77

Registration

RegistrarCloudflare, Inc.
IANA ID1910
RegisteredNovember 17, 2007
ExpiresNovember 17, 2027
UpdatedOctober 23, 2026
Statusclient transfer prohibited
Name serversimani.ns.cloudflare.com, langston.ns.cloudflare.com
DNSSECNot signed

DNS records

TypeValueTTL
A188.185.39.5060
A188.185.10.16560
A188.185.16.6260
MXoapen-org.mail.protection.outlook.com 5300
NSimani.ns.cloudflare.com86400
NSlangston.ns.cloudflare.com86400
TXTMS=ms16103975300
TXTgoogle-site-verification=0O1P8sy9YGRC-lSDlINK0_2lkkMK1o4M_cTLsyoIKJk300
TXTgoogle-site-verification=qlYgB1ePEo8LhsMvTDuPmzJ8gpRoGbcQ3hCZqISQz9Y300
TXTv=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com -all300

Technology stack

Email marketing
JavaScript library

SSL certificate

ValidValid
IssuerUS, YR2, Let's Encrypt
ExpiresJanuary 26, 2027
Days remaining77
ProtocolTLSv1.3
Namesoapen.org

Email security

CScore 65/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnDMARC policy is none (monitoring only). Spoofed mail is still delivered.
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
  • goodSPF record found.
  • goodSPF ends with -all: servers you have not listed are rejected (hard fail).
  • goodDMARC aggregate reports are sent to mailto:[email protected].
  • goodDKIM keys found (selector: k2).
  • good1 MX record(s) found. Mail is handled by Microsoft 365.

Homepage metadata

TitleOAPEN Home | OAPEN
Languageen
IndexableYes
Word count646

About oapen.org

Who is the registrar of oapen.org?

oapen.org is registered with Cloudflare, Inc. (IANA ID 1910).

When does oapen.org expire?

The current registration of oapen.org expires on November 17, 2027. It was first registered on November 17, 2007.

What technology does oapen.org use?

We detected 4 technologies on oapen.org, including jsDelivr, Mailchimp, Fancybox, jQuery.

Does oapen.org protect its email with SPF and DMARC?

oapen.org scores 65/100 (grade C) for email security. DMARC policy is none (monitoring only). Spoofed mail is still delivered. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.

What are the name servers of oapen.org?

oapen.org uses imani.ns.cloudflare.com, langston.ns.cloudflare.com.