WWW.RTSAK.COM - core.ac.jp
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core.ac.jp checked at 2025-11-26T14:27:00.071Z 515ms 67/67/67 100% R:24 allDone:true timedOut:false core.ac.jp
| NS | ns03.21-domain.info | ||||||
| A | 49.212.47.153🇯🇵 SAKURA-C | ||||||
| PTR | ns01.21-domain.info | ||||||
| NS | ns04.21-domain.info | ||||||
| A | 2401:2500:204:1105:153:127:15:13 🇯🇵 SAKURA-A | ||||||
| PTR | 153.127.15.13.v6.sakura.ne.jp | ||||||
| A | 153.127.15.13🇯🇵 SAKURA-A | ||||||
| PTR | ik1-405-34759.vs.sakura.ne.jp | ||||||
| MX | blackmole24.sakura.ne.jp | ||||||
| A | 49.212.207.181🇯🇵 SAKURA-C | ||||||
| PTR | www3141.sakura.ne.jp | ||||||
| A | 153.126.167.125🇯🇵 SAKURA-A | ||||||
| PTR | ik1-319-19871.vs.sakura.ne.jp | ||||||
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AI analysis
core.ac.jp is parent of dnsica.core.ac.jp and www.core.ac.jp.
core.ac.jp points to a single IP: 153.126.167.125.
Other host names such as www.koga.ac.jp, ik1-319-19871.vs.sakura.ne.jp, www.core.ac.jp and koga.ac.jp share IP numbers with core.ac.jp.
core.ac.jp's delegation is to two name servers ns03.21-domain.info and ns04.21-domain.info.
core.ac.jp shares the same name server configuration as other domains, such as purimaru.com, newton.ne.jp, kinekine.jp, clavier.jp and websb.jp.
Host names with two IPs:
ns04.21-domain.info points to: 2401:2500:204:1105:153:127:15:13 and 153.127.15.13.
Host names with one IP:
ns03.21-domain.info points to: 49.212.47.153.
core.ac.jp is served by a single mail server, blackmole24.sakura.ne.jp.
core.ac.jp shares the same mail server setup as other domains, for instance blackmole24.sakura.ne.jp.
blackmole24.sakura.ne.jp points to IP number 49.212.207.181.