mathzj.com - robtex.com

mathzj.com

DNSSEC⚠️ Not signed
NSdns19.hichina.com ⭐ ⚠️ Not in parent delegation
A2408:4009:501::27🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-40.defastlink.net
A39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-60.defastlink.net
A47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-200.defastlink.net
A47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-220.defastlink.net
A120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-40.defastlink.net
A120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-60.defastlink.net
A139.224.142.100🇨🇳 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,
PTRip-139-224-142-100.defastlink.net
A139.224.142.110🇨🇳 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,
PTRip-139-224-142-110.defastlink.net
NSdns20.hichina.com ⚠️ Not in parent delegation
A2408:4009:501::28🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-38.defastlink.net
A39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-61.defastlink.net
A47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-198.defastlink.net
A47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-222.defastlink.net
A120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-38.defastlink.net
A120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-61.defastlink.net
A139.224.142.98🇨🇳 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,
PTRip-139-224-142-98.defastlink.net
A139.224.142.108🇨🇳 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,
PTRip-139-224-142-108.defastlink.net
NSns1.alidns.com ⚠️ Not in zone NS records
A2408:4009:501::1🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.45🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-45.defastlink.net
A39.96.153.55🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-55.defastlink.net
A47.118.199.205🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-205.defastlink.net
A47.118.199.215🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-215.defastlink.net
A120.76.107.45🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-45.defastlink.net
A120.76.107.55🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-55.defastlink.net
A139.224.142.115🇨🇳 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,
PTRip-139-224-142-115.defastlink.net
A139.224.142.125🇨🇳 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,
PTRip-139-224-142-125.defastlink.net
NSns2.alidns.com ⚠️ Not in zone NS records
A2408:4009:501::2🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.46🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-46.defastlink.net
A39.96.153.56🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-56.defastlink.net
A47.118.199.206🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-206.defastlink.net
A47.118.199.216🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-216.defastlink.net
A120.76.107.46🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-46.defastlink.net
A120.76.107.56🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-56.defastlink.net
A139.224.142.116🇨🇳 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,
PTRip-139-224-142-116.defastlink.net
A139.224.142.126🇨🇳 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,
PTRip-139-224-142-126.defastlink.net
SOAdns19.hichina.comhostmaster@hichina.com 2026-01-09 #13

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

mathzj.com

Similar names

ahtmjz.com.cn

DNS History

5 records (4 active, 1 former)

2017201820192020202120222023202420252026NSdns19.hichina.comdns20.hichina.comns1.alidns.comns2.alidns.comA119.29.35.103
●NSdns19.hichina.com2018-06-23 → 2026-03-24 · 3 obs
○ 2016-12-16 14:00:06
● 2018-06-23 19:10:02
● 2026-03-24 13:37:54
●NSdns20.hichina.com2018-06-23 → 2026-03-24 · 3 obs
○ 2016-12-16 14:00:06
● 2018-06-23 19:10:02
● 2026-03-24 13:37:54
●NSns1.alidns.com2016-12-16 → 2026-03-24 · 4 obs
● 2016-12-16 14:00:06
○ 2018-06-23 19:10:02
● 2026-02-22 21:34:12
● 2026-03-24 13:37:54
●NSns2.alidns.com2016-12-16 → 2026-03-24 · 4 obs
● 2016-12-16 14:00:06
○ 2018-06-23 19:10:02
● 2026-02-22 21:34:12
● 2026-03-24 13:37:54
○A119.29.35.1032016-12-16 → 2018-06-23 · 4 obs
● 2016-12-16 14:00:06
● 2018-06-23 19:10:02
○ 2026-02-22 21:34:12
○ 2026-03-24 13:37:54

🔍 DNS Trace

Analysis

Name Servers

mathzj.com is delegated to four name servers: ns1.alidns.com, ns2.alidns.com, dns19.hichina.com and dns20.hichina.com.

mathzj.com at least partially shares name servers with other domains, including 51721.net, dyshsq.com, mgupiao.com, hebjs.com.cn and twinklebj.com.

These name servers are often used together with ns7.alidns.com, ns8.alidns.com, dns3.hichina.com, dns4.hichina.com, expirens3.hichina.com, expirens4.hichina.com, dns10.hichina.com, dns9.hichina.com and dns7.hichina.com.

Nine IP numbers per host:

ns1.alidns.com points to: 2408:4009:501::1, 39.96.153.45, 39.96.153.55, 47.118.199.205, 47.118.199.215, 120.76.107.45, 120.76.107.55, 139.224.142.115 and 139.224.142.125.

ns2.alidns.com points to: 2408:4009:501::2, 39.96.153.46, 39.96.153.56, 47.118.199.206, 47.118.199.216, 120.76.107.46, 120.76.107.56, 139.224.142.116 and 139.224.142.126.

dns19.hichina.com points to: 2408:4009:501::27, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.

dns20.hichina.com points to: 2408:4009:501::28, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.