IPLIST.NET - sys21.kr
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sys21.kr checked at 2025-10-03T13:59:00.880Z 456ms 62/62/62 100% R:18sys21.kr
| MX | mail.sys21.kr | ||||||
| A | 112.216.19.68🇰🇷 LG Uplus | ||||||
| PTR | mail.sys21.kr | ||||||
| PTR | ns1.sys21.kr | ||||||
| NS | ns1.sys21.kr | ||||||
| A | 192.168.0.5 | ||||||
| A | 192.168.0.7 | ||||||
| NS | ns.sys21.kr | ||||||
| A | 112.216.19.69🇰🇷 LG Uplus | ||||||
| PTR | ns.sys21.kr | ||||||
| A | 112.216.19.68🇰🇷 LG Uplus | ||||||
| PTR | mail.sys21.kr | ||||||
| PTR | ns1.sys21.kr | ||||||
kr
| NS | b.dns.kr | ||||||
| NS | c.dns.kr | ||||||
| NS | d.dns.kr | ||||||
| NS | e.dns.kr | ||||||
| NS | f.dns.kr | ||||||
| NS | g.dns.kr | ||||||
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AI analysis
sys21.kr has mail.sys21.kr, ns.sys21.kr and ns1.sys21.kr as children.
sys21.kr points to a single IP address: 112.216.19.68.
Other host names, for instance mail.sys21.kr, share IP numbers with sys21.kr.
Two name servers ns1.sys21.kr and ns.sys21.kr handle the delegation for sys21.kr.
sys21.kr shares the same name server setup as other domains, for example swmetal.net.
Host names with two IP numbers:
ns1.sys21.kr points to 192.168.0.5 and 192.168.0.7.
Host names with one IP number:
ns.sys21.kr points to 112.216.19.69.
The mail.sys21.kr mail server handles sys21.kr.
mail.sys21.kr points to a single IP number: 112.216.19.68.
dbq