itschool.cn - robtex.com

itschool.cn

DNSSEC⚠️ Not signed
A47.86.221.20πŸ‡ΊπŸ‡Έ Alibaba-Cloud47.86.128.0/17 Proxy-registered route object
NSdns15.hichina.com ⭐ ⚠️ Not in parent delegation
A2408:4009:501::23πŸ‡¨πŸ‡³ Alibaba-Cloud2408:4009:501::/48
A39.96.153.42πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.52πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.202πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.212πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.42πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A120.76.107.52πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A139.224.142.112πŸ‡¨πŸ‡³ 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,
A139.224.142.122πŸ‡¨πŸ‡³ 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,
NSdns16.hichina.com ⚠️ Not in parent delegation
A2408:4009:501::24πŸ‡¨πŸ‡³ Alibaba-Cloud2408:4009:501::/48
A39.96.153.41πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.51πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.201πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.211πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.41πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A120.76.107.51πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A139.224.142.111πŸ‡¨πŸ‡³ 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,
A139.224.142.121πŸ‡¨πŸ‡³ 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,
NSns1.alidns.com ⚠️ Not in zone NS records
A2408:4009:501::1πŸ‡¨πŸ‡³ Alibaba-Cloud2408:4009:501::/48
A39.96.153.45πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.55πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.205πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.215πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.45πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A120.76.107.55πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A139.224.142.115πŸ‡¨πŸ‡³ 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,
A139.224.142.125πŸ‡¨πŸ‡³ 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,
NSns2.alidns.com ⚠️ Not in zone NS records
A2408:4009:501::2πŸ‡¨πŸ‡³ Alibaba-Cloud2408:4009:501::/48
A39.96.153.46πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.56πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.206πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.216πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.46πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A120.76.107.56πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A139.224.142.116πŸ‡¨πŸ‡³ 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,
A139.224.142.126πŸ‡¨πŸ‡³ 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,
TXTe348593441f0994b2e8e80077e0728aac87586fa
TXTd88bb5d559af85764c3a0fb7cbc5aadd8c931ed6
TXTfd6009b8-4c61-4ae0-b7ad-f8a56eb5fc0b
TXT27f4b2757065458fb010c679b4929fda
TXT96a136e7362e467a8918ae7a9360dda0
SOAdns15.hichina.comhostmaster@hichina.com 2026-05-28 #9

cn

DNSSECπŸ”’ Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035106404

Same first word

Similar names

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSdns15.hichina.comdns16.hichina.comns1.alidns.comns2.alidns.comMXmail.skrimple.comA47.86.221.20103.232.215.138103.51.144.81205.164.14.67205.164.14.7665.19.157.235
●NSdns15.hichina.com2026-07-13 β†’ 2026-07-29 Β· 2 obs
● 2026-07-13 20:46:02
● 2026-07-29 14:55:28
●NSdns16.hichina.com2026-07-13 β†’ 2026-07-29 Β· 2 obs
● 2026-07-13 20:46:02
● 2026-07-29 14:55:28
●NSns1.alidns.com2026-07-13 β†’ 2026-07-29 Β· 2 obs
● 2026-07-13 20:46:02
● 2026-07-29 14:55:28
●NSns2.alidns.com2026-07-13 β†’ 2026-07-29 Β· 2 obs
● 2026-07-13 20:46:02
● 2026-07-29 14:55:28
β—‹MXmail.skrimple.com2015-06-10 β†’ 2017-02-14 Β· 4 obs
● 2015-06-10 23:52:00
● 2017-02-14 12:30:20
β—‹ 2026-07-13 20:46:02
β—‹ 2026-07-29 14:55:28
β—‹A103.232.215.1382018-10-20 β†’ 2018-10-20 Β· 4 obs
β—‹ 2017-02-14 12:30:20
● 2018-10-20 22:47:22
β—‹ 2026-07-13 20:46:02
β—‹ 2026-07-29 14:55:28
β—‹A103.51.144.812017-02-14 β†’ 2017-02-14 Β· 4 obs
β—‹ 2016-03-22 04:14:34
● 2017-02-14 12:30:20
β—‹ 2018-10-20 22:47:22
β—‹ 2026-07-29 14:55:28
β—‹A205.164.14.672015-06-10 β†’ 2015-06-10 Β· 3 obs
● 2015-06-10 23:52:00
β—‹ 2015-10-08 08:51:40
β—‹ 2026-07-29 14:55:28
β—‹A205.164.14.762015-06-10 β†’ 2015-06-10 Β· 3 obs
● 2015-06-10 23:52:00
β—‹ 2015-10-08 08:51:40
β—‹ 2026-07-29 14:55:28
●A47.86.221.202026-07-13 β†’ 2026-07-29 Β· 3 obs
β—‹ 2018-10-20 22:47:22
● 2026-07-13 20:46:02
● 2026-07-29 14:55:28
β—‹A65.19.157.2352015-10-08 β†’ 2016-03-22 Β· 5 obs
β—‹ 2015-06-10 23:52:00
● 2015-10-08 08:51:40
● 2016-03-22 04:14:34
β—‹ 2017-02-14 12:30:20
β—‹ 2026-07-29 14:55:28

πŸ” DNS Trace

Analysis

IP Addresses

itschool.cn directs to one IP number, which is 47.86.221.20.

Among the host names that share IP numbers with itschool.cn are jyrc.com, mhjj.cn, null.meinvtupian.com and two others.

Name Servers

The domain itschool.cn is delegated to these four name servers: ns1.alidns.com, ns2.alidns.com, dns15.hichina.com and dns16.hichina.com.

The name servers of itschool.cn overlap at least partially with those of other domains β€” among them hg1385.com, ceowen.com, z22.mobi and two more.

These name servers commonly appear in delegations together with ns7.alidns.com, ns8.alidns.com, expirens3.hichina.com and 5 other.

Host names resolving to 9 IP numbers:

ns1.alidns.com has IP addresses 39.96.153.45, 39.96.153.55 and 47.118.199.205, plus 6 other.

ns2.alidns.com has IP addresses 39.96.153.46, 39.96.153.56 and 47.118.199.206, plus 6 other.

dns15.hichina.com has IP addresses 39.96.153.42, 39.96.153.52 and 47.118.199.202, plus 6 other.

dns16.hichina.com has IP addresses 39.96.153.41, 39.96.153.51 and 47.118.199.201, plus 6 other.