CF1761317468770-tsm20251017082432

WWW.RTSAK.COM - firstcs.jp

Search for IP or hostnames:

firstcs.jp checked at 2025-10-24T14:51:08.752Z 411ms 66/66/66 100% R:18

firstcs.jp

MXmail.firstcs.jp
A219.99.172.74🇯🇵 Future Spirits Co.,Ltd.
PTRserver39.dsbsv.net
NSdns1.asp-frontier.net
A219.99.172.38🇯🇵 Future Spirits Co.,Ltd.
PTR219-99-172-38.asp-frontier.net
NSdns2.asp-frontier.net
A219.99.166.20🇯🇵 Future Spirits Co.,Ltd.
NSdns3.asp-frontier.net
A219.99.167.23🇯🇵 Future Spirits Co.,Ltd.
A219.99.172.70🇯🇵 Future Spirits Co.,Ltd.
PTRcache06.asp-frontier.net

jp

NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp

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Starts with same word

Starts similarily

AI analysis

firstcs.jp is the parent of mail.firstcs.jp.

firstcs.jp resolves to a single IP address: 219.99.172.70.

Other host names including katanaya.co.jp, saniter.jp, ganbatec.jp, ohyama-oil.co.jp and amicabiso.co.jp share IP numbers with firstcs.jp.

firstcs.jp is delegated to three name servers: dns1.asp-frontier.net, dns2.asp-frontier.net and dns3.asp-frontier.net.

firstcs.jp at least partially shares name servers with other domains, including a-hanawafukushikai.jp, k-cc.co.jp, mitsui-kanamono.jp, shinetsu-jyuken.jp and lotusbeauty.net.

Hostnames with a single IP:

dns1.asp-frontier.net points to: 219.99.172.38.

dns2.asp-frontier.net points to: 219.99.166.20.

dns3.asp-frontier.net points to: 219.99.167.23.

firstcs.jp is handled by a single mail server, mail.firstcs.jp.

mail.firstcs.jp points to a single IP: 219.99.172.74.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

yDYatjY CF johedugfp 2025-10-24