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Hosting & Network
rc-group.co.jp runs on AS9371, with email via Google Workspace.
- Hosting network
- AS9371AS9371
- Managed DNS
- Self-hosted / other
- Google Workspace
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 4,999+ other sites on AS9371. Stable here since we started watching (Aug 17, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to rc-group.co.jp.
DNS Records for rc-group.co.jp
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| rc-group.co.jp | A | 0 | 219.94.162.230 | |
| rc-group.co.jp | SOA | 3600 | master.dns.ne.jp tech.sakura.ad.jp 2026090301 3600 900 3600000 3600 | |
| rc-group.co.jp | NS | 0 | ns2.dns.ne.jp | |
| rc-group.co.jp | NS | 0 | ns1.dns.ne.jp | |
| rc-group.co.jp | MX | 0 | 10 | alt4.aspmx.l.google.com |
| rc-group.co.jp | MX | 0 | 5 | alt2.aspmx.l.google.com |
| rc-group.co.jp | MX | 0 | 10 | alt3.aspmx.l.google.com |
| rc-group.co.jp | MX | 0 | 1 | aspmx.l.google.com |
| rc-group.co.jp | MX | 0 | 5 | alt1.aspmx.l.google.com |
| rc-group.co.jp | TXT | 0 | v=spf1 include:_spf.google.com include:_spf_div.bownow.jp a:www1390.sakura.ne.jp mx ~all | |
| rc-group.co.jp | TXT | 0 | google-site-verification=BK4yjiV-cHpWhuz98kIhuXDelLq9Xxsa-eQImNdbWcc | |
| www.rc-group.co.jp | CNAME | 0 | rc-group.co.jp | |
| www.rc-group.co.jp | SOA | 3600 | master.dns.ne.jp tech.sakura.ad.jp 2026090301 3600 900 3600000 3600 | |
| www.rc-group.co.jp | MX | 0 | 10 | alt3.aspmx.l.google.com |
| www.rc-group.co.jp | MX | 0 | 10 | alt4.aspmx.l.google.com |
| www.rc-group.co.jp | MX | 0 | 1 | aspmx.l.google.com |
| www.rc-group.co.jp | MX | 0 | 5 | alt2.aspmx.l.google.com |
| www.rc-group.co.jp | MX | 0 | 5 | alt1.aspmx.l.google.com |
| www.rc-group.co.jp | NS | 0 | ns1.dns.ne.jp | |
| www.rc-group.co.jp | NS | 0 | ns2.dns.ne.jp | |
| www.rc-group.co.jp | A | 0 | 219.94.162.230 | |
| www.rc-group.co.jp | TXT | 0 | google-site-verification=BK4yjiV-cHpWhuz98kIhuXDelLq9Xxsa-eQImNdbWcc | |
| www.rc-group.co.jp | TXT | 0 | v=spf1 include:_spf.google.com include:_spf_div.bownow.jp a:www1390.sakura.ne.jp mx ~all |
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About DNS Records
DNS (Domain Name System) records are instructions that provide information about a domain, including its IP addresses, mail servers, and other services. Common record types include:
- SOA (Start of Authority) - Contains administrative information about the zone
- NS (Nameserver) - Specifies authoritative nameservers for the domain
- A (Address) - Maps a domain to an IPv4 address
- AAAA - Maps a domain to an IPv6 address
- CNAME (Canonical Name) - Creates an alias pointing to another domain
- MX (Mail Exchange) - Specifies mail servers for the domain