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21un.com checked at 2025-12-31T23:35:43.595Z 1320ms 133/133/133 100% R:16 allDone:true timedOut:false cfaller:5ad73553/7:2c99aca5:17948:undefined

`21un.com`

MX	`mxbiz1.qq.com`
		A	103.86.78.2^{🇭🇰 HUTCHISON-AS-AP}
		A	103.86.78.3^{🇭🇰 HUTCHISON-AS-AP}
MX	`mxbiz2.qq.com`
		A	43.154.252.16^{🇭🇰 TENCENT-NET-AP-CN}
		A	43.154.252.202^{🇭🇰 TENCENT-NET-AP-CN}
NS	`f1g1ns1.dnspod.net`
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN}
		A	1.14.119.35^{🇨🇳 TENCENT-NET-AP}
		A	111.13.13.35^{🇨🇳 CHINAMOBILE-CN}
		A	112.80.181.235^{🇨🇳 CHINA169-Backbone}
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN}
			PTR	`.`
		A	125.94.59.235^{🇨🇳 CHINA-TELECOM}
		A	163.177.5.35^{🇨🇳 UNICOM-GuangZhou-IDC}
NS	`f1g1ns2.dnspod.net`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN}
		A	1.13.76.35^{🇨🇳 TENCENT-NET-AP}
		A	36.155.149.35^{🇨🇳 CMNET-Jiangsu-AP}
		A	101.227.168.35^{🇨🇳 CHINANET-SH-AP}
		A	106.39.207.235^{🇨🇳 CHINA-1}
		A	111.206.98.235^{🇨🇳 CHINA169-BJ}
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC}
A	117.27.146.228^{🇨🇳 CHINATELECOM-FUJIAN-FUZHOU-IDC1}

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21un.com resolves to a single IP address: 117.27.146.228.

21un.com's delegation uses two name servers, f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

21un.com shares the same name server setup as other domains, for example ttlogger.net, etevip.com, dwesa.com, 4098aa.com and dianzhanggui.net.

21un.com partially shares its name servers with other domains, for example tmisz.com and rayuu.com.

Eight IP numbers per host:

21un.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

21un.com shares its mail server setup with other domains, including hueya.com.cn, ms-pop.cn, wooyacht.com, kevin-infotech.com and bio-sugars.com.

21un.com shares some mail servers with other domains, for instance egoryde.com, szcio.org, bskpro.com and seeclean.net.

Host names with two IPs: