WWW.ROBTEX.COM - sys21.kr
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sys21.kr checked at 2025-10-15T18:38:01.332Z 102ms 87/87/87 100% R:8sys21.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 is a parent of mail.sys21.kr, ns.sys21.kr and ns1.sys21.kr.
sys21.kr points to a single IP: 112.216.19.68.
Other host names, such as mail.sys21.kr, share IP numbers with sys21.kr.
Two name servers ns1.sys21.kr and ns.sys21.kr handle 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:
The host name ns1.sys21.kr points to 192.168.0.5 and 192.168.0.7.
Host names with one IP number:
The host name ns.sys21.kr points to 112.216.19.69.
sys21.kr is handled by a single mail server, mail.sys21.kr.
mail.sys21.kr points to a single IP: 112.216.19.68.
dbq