`dou4.com.cn`

DNSSEC	⚠️ Not signed
A	154.80.240.27^{🇭🇰 DXTL-HK154.80.240.0/20 Proxy-registered route object}
NS	`ns1.nowcndns.com` ⭐
		A	1.193.216.204^{🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network}
			PTR	`ip-1-193-216-204.defastlink.net`
		A	218.98.111.129^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
			PTR	`ip-218-98-111-129.defastlink.net`
		A	218.98.111.138^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
			PTR	`ip-218-98-111-138.defastlink.net`
NS	`ns2.nowcndns.com`
		A	61.158.128.11^{🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network}
			PTR	`11.128.158.61.ha.cnc`
		A	183.253.57.202^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
			PTR	`ip-183-253-57-202.defastlink.net`
		A	211.99.99.38^{🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object}
			PTR	`ip-211-99-99-38.defastlink.net`
SOA	`ns1.nowcndns.com`admin@nowcndns.com serial=1768219475

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030470798

WOT: NOT_SAFE (20/100)

dou4.com.cn

dou4.com

4duo.com

4udo.com

do4u.co.il

4udo.ru

duo4.com

do4u.cn

4udo.de

do4u.ws

do4u.de

3 records (3 active, 0 former)

●NSns1.nowcndns.com2026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 16:24:56
● 2026-03-23 07:53:58

●NSns2.nowcndns.com2026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 16:24:56
● 2026-03-23 07:53:58

●A154.80.240.272026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 16:24:56
● 2026-03-23 07:53:58

dou4.com.cn resolves to a single IP address: 154.80.240.27.

Other host names, for instance amanzon.co.ip.dou4.com.cn, share IP numbers with dou4.com.cn.

dou4.com.cn's delegation uses two name servers, ns1.nowcndns.com and ns2.nowcndns.com.

dou4.com.cn shares the same name server setup as other domains, for example sfkzw.cn, gxnou.com.cn, ningboeasytouch.com.cn, 2xyk.cn and xjdcm.cn.

Host names with three IPs: