crossref.org
Crossref
crossref.org is registered with Register.com - Network Solutions, LLC since December 2, 1999 (26.9 years). The registration expires on December 2, 2028. The site runs on Matomo, Amazon CloudFront, cdnjs and 7 other technologies. Its email security grade is D. Its SSL certificate is issued by Amazon and is valid for 45 more days.
- Domain age
- 26.9 yrs
- Technologies
- 10
- Email security
- D
- SSL days left
- 45
Registration
| Registrar | Register.com - Network Solutions, LLC |
|---|---|
| IANA ID | 9 |
| Registered | December 2, 1999 |
| Expires | December 2, 2028 |
| Updated | August 12, 2026 |
| Status | client transfer prohibited |
| Name servers | ns-1052.awsdns-03.org, ns-1629.awsdns-11.co.uk, ns-473.awsdns-59.com, ns-659.awsdns-18.net |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 3.227.181.26 | 60 |
| A | 3.222.142.169 | 60 |
| A | 98.90.247.82 | 60 |
| A | 54.226.132.235 | 60 |
| MX | aspmx.l.google.com 10 | 300 |
| MX | aspmx3.googlemail.com 10 | 300 |
| MX | alt1.aspmx.l.google.com 20 | 300 |
| MX | alt2.aspmx.l.google.com 20 | 300 |
| MX | aspmx2.googlemail.com 30 | 300 |
| NS | ns-1052.awsdns-03.org | 300 |
| NS | ns-1629.awsdns-11.co.uk | 300 |
| NS | ns-473.awsdns-59.com | 300 |
| NS | ns-659.awsdns-18.net | 300 |
| CAA | issue 0 amazontrust.com | 300 |
| CAA | issue 0 letsencrypt.org | 300 |
| CAA | issuewild 0 amazontrust.com | 300 |
| CAA | issuewild 0 letsencrypt.org | 300 |
| TXT | 1wnqjfbqpgk7rry20dzzcqmm0fhqpdwm | 300 |
| TXT | MS=ms40313232 | 300 |
| TXT | intacct-esk=4FED1A49C4B8865AE053DF06A8C02878 | 300 |
| TXT | status-page-domain-verification=pmfyw22rmcg9 | 300 |
| TXT | v=spf1 ip4:208.254.38.64/27 ip4:108.26.163.24 ip4:18.233.120.246 include:mail.zendesk.com include:stspg-customer.com include:_spf.google.com include:_spf.intacct.com include:amazonses.com include:_spf.act-on.net ~all | 300 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, Amazon RSA 2048 M01, Amazon |
| Expires | December 25, 2026 |
| Days remaining | 45 |
| Protocol | TLSv1.3 |
| Names | crossref.org |
Email security
- warnDMARC policy is none (monitoring only). Spoofed mail is still delivered.
- warnDKIM key found (selector: google) but it is only 1024 bits; 2048 is recommended.
- 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 marked as suspicious (soft fail).
- goodDMARC aggregate reports are sent to mailto:[email protected].
- good5 MX record(s) found. Mail is handled by Google Workspace.
Homepage metadata
| Title | Crossref |
|---|---|
| Description | Crossref is open infrastructure linking the world's research. 26,500 members, 171 countries, 2.1 billion monthly API queries. |
| Language | en-us |
| Canonical | https://www.crossref.org/ |
| Indexable | Yes |
| Word count | 684 |
About crossref.org
Who is the registrar of crossref.org?
crossref.org is registered with Register.com - Network Solutions, LLC (IANA ID 9).
When does crossref.org expire?
The current registration of crossref.org expires on December 2, 2028. It was first registered on December 2, 1999.
What technology does crossref.org use?
We detected 10 technologies on crossref.org, including Matomo, Amazon CloudFront, cdnjs, jsDelivr, Font Awesome, Amazon S3.
Does crossref.org protect its email with SPF and DMARC?
crossref.org scores 60/100 (grade D) for email security. DMARC policy is none (monitoring only). Spoofed mail is still delivered. DKIM key found (selector: google) but it is only 1024 bits; 2048 is recommended.
What are the name servers of crossref.org?
crossref.org uses ns-1052.awsdns-03.org, ns-1629.awsdns-11.co.uk, ns-473.awsdns-59.com, ns-659.awsdns-18.net.