leetcode.pro - dns.ninja

leetcode.pro

DNSSEC⚠️ Not signed
A47.99.228.218🇨🇳 Alibaba-Cloud47.98.0.0/15 Hangzhou Alibaba Advertising Co.,Ltd.
NSdns11.hichina.com
A2408:4009:501::19🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.112🇨🇳 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,
A139.224.142.122🇨🇳 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,
NSdns12.hichina.com
A2408:4009:501::20🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.111🇨🇳 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,
A139.224.142.121🇨🇳 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,
MXmx01.dm.aliyun.com
A59.82.33.237🇨🇳 Alibaba-Cloud59.82.32.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
TXTv=spf1 include:spf1.dm.aliyun.com -all
SOAdns11.hichina.comhostmaster@hichina.com 2026-01-12 #9

pro

DNSSEC🔒 Signed (DS record present)
NSa0.pro.afilias-nst.info
NSa2.pro.afilias-nst.info
NSb0.pro.afilias-nst.org
NSb2.pro.afilias-nst.org
NSc0.pro.afilias-nst.info
NSd0.pro.afilias-nst.org
SOAa0.pro.afilias-nst.infohostmaster@donuts.email serial=1781422521

Same first word

Similar names

DNS History

4 records (4 active, 0 former)

2020202120222023202420252026NSdns11.hichina.comdns12.hichina.comMXmx01.dm.aliyun.comA47.99.228.218
NSdns11.hichina.com2019-03-28 → 2026-06-14 · 2 obs
● 2019-03-28 09:42:10
● 2026-06-14 07:43:44
NSdns12.hichina.com2019-03-28 → 2026-06-14 · 2 obs
● 2019-03-28 09:42:10
● 2026-06-14 07:43:44
MXmx01.dm.aliyun.com2019-03-28 → 2026-06-14 · 2 obs
● 2019-03-28 09:42:10
● 2026-06-14 07:43:44
A47.99.228.2182019-03-28 → 2026-06-14 · 2 obs
● 2019-03-28 09:42:10
● 2026-06-14 07:43:44

🔍 DNS Trace

Analysis

IP Addresses

leetcode.pro has exactly one IP address — 47.99.228.218.

Name Servers

The NS records for leetcode.pro delegate to dns11.hichina.com and dns12.hichina.com.

The name server configuration of leetcode.pro is shared with other domains, for instance jzygyy.com, zg101.com, miduan.cn and two others.

leetcode.pro shares at least some of its name servers with other domains, including unitopia.com, ybrdjsc.com, wutoo.cn and two others.

These name servers are frequently seen alongside the name servers ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.

Hosts with 9 IP addresses each:

dns11.hichina.com maps to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 additional IP addresses.

dns12.hichina.com maps to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 additional IP addresses.

Mail Servers

leetcode.pro uses one mail server — mx01.dm.aliyun.com.

The mail server setup of leetcode.pro matches that of other domains such as hnfamu.com, mail.lituo.com.cn, dekan.tech and two others.

At least some of the mail servers used by leetcode.pro are shared with other domains: yidu.ink, xn4.net, lcwjtoys.com and two others among them.

It is common to find these mail servers paired with the mail servers mxw.mxhichina.com, mxn.mxhichina.com and mx1.qiye.aliyun.com, as well as two others.

mx01.dm.aliyun.com resolves to 59.82.33.237 and no other IP number.