Rank #1,024Updated November 10, 2026
rsc.org
rsc.org is registered with Network Solutions, LLC since June 17, 1993 (33.4 years). The registration expires on June 16, 2030. Its email security grade is B. Its SSL certificate is issued by Google Trust Services and is valid for 43 more days.
- Domain age
- 33.4 yrs
- Technologies
- —
- Email security
- B
- SSL days left
- 43
Registration
| Registrar | Network Solutions, LLC |
|---|---|
| IANA ID | 2 |
| Registered | June 17, 1993 |
| Expires | June 16, 2030 |
| Updated | August 12, 2026 |
| Status | client transfer prohibited |
| Name servers | a1-90.akam.net, a22-67.akam.net, a28-64.akam.net, a3-65.akam.net, a6-66.akam.net, a7-67.akam.net |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 162.159.140.121 | 30 |
| A | 172.66.0.119 | 30 |
| MX | eu-smtp-inbound-2.mimecast.com 10 | 60 |
| MX | eu-smtp-inbound-1.mimecast.com 10 | 60 |
| NS | a1-90.akam.net | 3600 |
| NS | a6-66.akam.net | 3600 |
| NS | a3-65.akam.net | 3600 |
| NS | a28-64.akam.net | 3600 |
| NS | a7-67.akam.net | 3600 |
| NS | a22-67.akam.net | 3600 |
| TXT | sophos-domain-verification=6435915acc806b91de732dea5ca3f2895879e708e0b7cb0d6f7a6f434d6d2b23 | 60 |
| TXT | t8wc8mdcjnhb16444qlpsq364y7ygl62 | 60 |
| TXT | google-site-verification=WmYilO5lM8Vz6-6gaQWwyNHVGiVKp7GNSJqEtYUG3qk | 60 |
| TXT | 2ce17811ee | 60 |
| TXT | fq8mrqsy6cmhwvl98n44v012smr4d8dv | 60 |
| TXT | atlassian-domain-verification=-3LQBDgJTX7pUVyv8d7smY8GTnoRuZ8d2C0PgVyxvNQz9zRI4v5m2jg+NVrRIKTh | 60 |
| TXT | _ofqkrn9j012cp2bb790fbb6q4fwu5ke | 60 |
| TXT | v=spf1 redirect=7zu651uf._spf._d.mim.ec | 60 |
| TXT | _fa5422c17361986a9b27bde85ac7c6d9.historical-collection.rsc.org. | 60 |
| TXT | 0OnFhDXtUnDltu0JK1B8aBbMrJ/9P6MEYLpMoOXslvPXiPCewbZLL3oDvHvR8calt7jqrYSkLqfpLoquBTWqjQ== | 60 |
| TXT | MS=E9015CFA1FA5382B1800C8B255C3765172561891 | 60 |
| TXT | lovable_verification=Z0qbKniTTDLcS8wFZeiz | 60 |
| AAAA | 2606:4700:7::77 | 30 |
| AAAA | 2a06:98c1:58::77 | 30 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, WE1, Google Trust Services |
| Expires | December 23, 2026 |
| Days remaining | 43 |
| Protocol | TLSv1.3 |
| Names | rsc.org |
Email security
BScore 83/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnSPF uses 10 of the 10 allowed DNS lookups. Adding another service may break it.
- 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 policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- goodDKIM keys found (selector: selector1, selector2, s1, s2).
- good2 MX record(s) found. Mail is handled by Mimecast.
About rsc.org
Who is the registrar of rsc.org?
rsc.org is registered with Network Solutions, LLC (IANA ID 2).
When does rsc.org expire?
The current registration of rsc.org expires on June 16, 2030. It was first registered on June 17, 1993.
Does rsc.org protect its email with SPF and DMARC?
rsc.org scores 83/100 (grade B) for email security. SPF uses 10 of the 10 allowed DNS lookups. Adding another service may break it. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
What are the name servers of rsc.org?
rsc.org uses a1-90.akam.net, a6-66.akam.net, a3-65.akam.net, a28-64.akam.net, a7-67.akam.net, a22-67.akam.net.