WWW.RTSAK.COM - 21.30.112.140.in-addr.arpa

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21.30.112.140.in-addr.arpa checked at 2025-10-01T20:03:03.891Z 1237ms 16/16/16 100% R:13

`21.30.112.140.in-addr.arpa`

PTR	`dns.csie.ntu.edu.tw`
		A	140.112.30.21^{🇹🇼 National Taiwan University}
			PTR	`dns.csie.ntu.edu.tw`

`30.112.140.in-addr.arpa`

	NS	`ntuns.ntu.edu.tw`
	NS	`csman2.csie.ntu.edu.tw`
	NS	`csman.csie.ntu.edu.tw`

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