WWW.ROBTEX.COM - postmaster.speed21.net

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postmaster.speed21.net checked at 2025-10-14T20:39:21.142Z 2663ms 227/227/227 100% R:26

`postmaster.speed21.net`

CNAME	`speed21.net`
NS	`ns1.cafe24.com`
		A	112.175.246.230^{🇰🇷 KT Corporation (Korea Telecom)}
		A	112.175.246.231^{🇰🇷 KT Corporation (Korea Telecom)}
		A	116.126.143.242^{🇰🇷 SK Broadband}
		A	175.125.93.134^{🇰🇷 SK Broadband}
		A	175.125.93.135^{🇰🇷 SK Broadband}
NS	`ns2.cafe24.com`
		A	1.226.85.4^{🇰🇷 SK Broadband}
		A	1.234.0.4^{🇰🇷 SK Broadband}
		A	112.175.11.4^{🇰🇷 KT Corporation (Korea Telecom)}
		A	112.175.12.4^{🇰🇷 KT Corporation (Korea Telecom)}
MX	`w-103.cafe24.com`
		A	220.73.160.224^{🇰🇷 KT Corporation (Korea Telecom)}
NS	`ns1.cafe24.co.kr`
		A	112.175.246.232^{🇰🇷 KT Corporation (Korea Telecom)}
			PTR	`gjit.kr`
			PTR	`snoweb.kr`
			PTR	`sinc2030.co.kr`
		A	112.175.246.233^{🇰🇷 KT Corporation (Korea Telecom)}
		A	175.125.93.136^{🇰🇷 SK Broadband}
		A	175.125.93.137^{🇰🇷 SK Broadband}
NS	`ns2.cafe24.co.kr`
		A	112.175.247.232^{🇰🇷 KT Corporation (Korea Telecom)}
			PTR	`snoweb.kr`
			PTR	`sarchi.co.kr`
		A	112.175.247.233^{🇰🇷 KT Corporation (Korea Telecom)}
		A	175.125.93.146^{🇰🇷 SK Broadband}
		A	175.125.93.147^{🇰🇷 SK Broadband}
A	211.41.79.44^{🇰🇷 KT Corporation (Korea Telecom)}

`speed21.net`

	NS	`ns1.cafe24.com`
	NS	`ns2.cafe24.com`
	MX	`w-103.cafe24.com`
	NS	`ns1.cafe24.co.kr`
	NS	`ns2.cafe24.co.kr`
	A	211.41.79.44^{🇰🇷 KT Corporation (Korea Telecom)}

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AI analysis

postmaster.speed21.net points to a single IP: 211.41.79.44.

Other host names, for instance raychem.co.kr, xn--980b961au2djys.com, ellimct.com, cricket.or.kr and hpdm-small-p4-0035.cafe24.com share IP numbers with postmaster.speed21.net.

postmaster.speed21.net's delegation is handled by four name servers: ns1.cafe24.com, ns2.cafe24.com, ns1.cafe24.co.kr and ns2.cafe24.co.kr.

postmaster.speed21.net partially shares name servers with other domains; examples include xn--9i1b2b51us7fivh0wehudca645i.com, trianon.kr, sageorimarket.kr, yeoub.com and kongmiin.com.

These name servers are often used with the name servers ns.cafe24.com and ns0.cafe24.com.

Host names with five IP numbers:

ns1.cafe24.com points to 112.175.246.230, 112.175.246.231, 116.126.143.242, 175.125.93.134 and 175.125.93.135.

Host names with four IP numbers:

ns2.cafe24.com points to 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns1.cafe24.co.kr points to 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr points to 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

postmaster.speed21.net is handled by a single mail server, w-103.cafe24.com.

postmaster.speed21.net uses the same mail server setup as other domains such as speed21.net, isonan.com and bitbank.co.kr.

w-103.cafe24.com points to a single IP: 220.73.160.224.

dbq