51sim.com - dns.ninja

`51sim.com`

DNSSEC	⚠️ Not signed
A	180.184.48.150^{🇨🇳 VOLCANO-ENGINE180.184.48.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns29.hichina.com` ⭐
		A	2408:4009:501::37^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.109^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns30.hichina.com`
		A	2408:4009:501::38^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.107^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
MX	`hzmx01.mxmail.netease.com` ⭐
MX	`hzmx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`v=spf1 include:spf.163.com -all`
SOA	`dns29.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785736122

Same first word

51sim.com

Similar names

mis15.de

mis15.com.mx

51mis.com

51mis.net

mis51.de

mis15.tv

mis15.com

51mis.cn

sim51.github.io

51mis.com.cn

DNS History

10 records (5 active, 5 former)

●NSdns29.hichina.com2026-02-16 → 2026-08-03 · 3 obs

○ 2019-12-31 09:36:20
● 2026-02-16 12:13:58
● 2026-08-03 06:12:12

●NSdns30.hichina.com2026-02-16 → 2026-08-03 · 3 obs

○ 2019-12-31 09:36:20
● 2026-02-16 12:13:58
● 2026-08-03 06:12:12

○NSns11018.ztomy.com2015-07-19 → 2019-12-31 · 4 obs

● 2015-07-19 19:13:14
● 2019-12-31 09:36:20
○ 2026-02-16 12:13:58
○ 2026-08-03 06:12:12

○NSns21018.ztomy.com2015-07-19 → 2019-12-31 · 4 obs

● 2015-07-19 19:13:14
● 2019-12-31 09:36:20
○ 2026-02-16 12:13:58
○ 2026-08-03 06:12:12

●MXhzmx01.mxmail.netease.com2026-02-16 → 2026-08-03 · 2 obs

● 2026-02-16 12:13:58
● 2026-08-03 06:12:12

●MXhzmx02.mxmail.netease.com2026-02-16 → 2026-08-03 · 2 obs

● 2026-02-16 12:13:58
● 2026-08-03 06:12:12

○A141.8.225.632015-07-19 → 2017-02-14 · 4 obs

● 2015-07-19 19:13:14
● 2017-02-14 09:17:18
○ 2019-12-31 09:36:20
○ 2026-08-03 06:12:12

●A180.184.48.1502026-02-16 → 2026-08-03 · 3 obs

○ 2019-12-31 09:36:20
● 2026-02-16 12:13:58
● 2026-08-03 06:12:12

○A209.99.64.182019-12-31 → 2019-12-31 · 4 obs

○ 2017-02-14 09:17:18
● 2019-12-31 09:36:20
○ 2026-02-16 12:13:58
○ 2026-08-03 06:12:12

○PTRns11018.ztomy.com2017-02-14 → 2026-02-16 · 4 obs

● 2017-02-14 09:17:18
● 2026-02-16 12:13:58
○ 2026-02-23 20:05:44
○ 2026-08-03 06:12:12

🔍 DNS Trace

Analysis

IP Addresses

51sim.com resolves to one IP address: 180.184.48.150.

Name Servers

51sim.com uses two name servers for its delegation: dns29.hichina.com and dns30.hichina.com.

51sim.com uses the same name servers as several other domains — among them tqcw.cn, frii.cn, czcysoft.ltd and two more.

The name servers for 51sim.com are partially shared with other domains like honta-kudo.com, aiseen.com and cctvoe.com

It is common to see these name servers used together with name servers ns1.alidns.com and ns2.alidns.com.

Hostnames that resolve to 9 IP addresses:

Hostname dns29.hichina.com directs to 39.96.153.39, 39.96.153.59 and 47.118.199.199 along with 6 other IP addresses.

Hostname dns30.hichina.com directs to 39.96.153.37, 39.96.153.62 and 47.118.199.197 along with 6 other IP addresses.

Mail Servers

Mail for 51sim.com is handled by two mail servers — hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

51sim.com uses an identical mail server configuration to several other domains — among them czhyzn.com, junyuanauto.com, dovoro.com and two more.

51sim.com has at least partial mail server overlap with other domains such as tophawson.com, yxfw.com, sscdrive.com and two more.

Hostnames that resolve to two IP addresses:

hzmx02.mxmail.netease.com directs traffic to 47.251.71.119 and 47.251.84.126.