gradgroup.com - robtex.com
gradgroup.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 112.253.36.4🇨🇳 CHINA169-Backbone112.224.0.0/11 China Unicom CHINA169 Shandong Province Network | ||||||
| NS | dns11.hichina.com ⭐ | ||||||
| A | 2408:4009:501::19🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.112🇨🇳 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, | ||||||
| A | 139.224.142.122🇨🇳 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, | ||||||
| NS | dns12.hichina.com | ||||||
| A | 2408:4009:501::20🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.111🇨🇳 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, | ||||||
| A | 139.224.142.121🇨🇳 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, | ||||||
| MX | qiye163mx01.mxmail.netease.com ⭐ | ||||||
| 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 | ||||||
| MX | qiye163mx02.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 | dns11.hichina.comhostmaster@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.netnstld@verisign-grs.com serial=1774664172 | ||||||
Subdomains
md.gradgroup.com |
Same first word
gradgroup.ru |
gradgroup.com |
gradgroup.cn |
Similar names
DNS History
14 records (5 active, 9 former)
●NSdns11.hichina.com2026-02-22 → 2026-03-28 · 3 obs
● 2026-02-22 07:00:16
● 2026-03-28 02:32:34
●NSdns12.hichina.com2026-02-22 → 2026-03-28 · 3 obs
● 2026-02-22 07:00:16
● 2026-03-28 02:32:34
○NSns7.cnolnic.net2015-07-04 → 2017-05-18 · 5 obs
● 2015-07-04 04:44:22
● 2017-05-18 04:19:08
○ 2026-02-22 07:00:16
○ 2026-03-28 02:32:34
○NSns8.cnolnic.net2015-07-04 → 2017-05-18 · 5 obs
● 2015-07-04 04:44:22
● 2017-05-18 04:19:08
○ 2026-02-22 07:00:16
○ 2026-03-28 02:32:34
○MXmx.zmail.net.cn2015-07-04 → 2016-01-24 · 5 obs
● 2015-07-04 04:44:22
● 2016-01-24 22:18:30
○ 2016-04-19 20:05:38
○ 2026-03-28 02:32:34
○MXmx.zmail300.cn2016-04-19 → 2016-04-19 · 4 obs
● 2016-04-19 20:05:38
○ 2017-05-18 04:19:08
○ 2026-03-28 02:32:34
○MXmx1.zmail300.cn2016-04-19 → 2016-04-19 · 4 obs
● 2016-04-19 20:05:38
○ 2017-05-18 04:19:08
○ 2026-03-28 02:32:34
●MXqiye163mx01.mxmail.netease.com2017-05-18 → 2026-03-28 · 3 obs
● 2017-05-18 04:19:08
● 2026-03-28 02:32:34
●MXqiye163mx02.mxmail.netease.com2017-05-18 → 2026-03-28 · 3 obs
● 2017-05-18 04:19:08
● 2026-03-28 02:32:34
●A112.253.36.42026-02-22 → 2026-03-28 · 3 obs
● 2026-02-22 07:00:16
● 2026-03-28 02:32:34
○A121.14.65.2162016-04-19 → 2016-04-19 · 4 obs
● 2016-04-19 20:05:38
○ 2017-05-18 04:19:08
○ 2026-03-28 02:32:34
○A183.60.188.2412015-07-04 → 2016-01-24 · 5 obs
● 2015-07-04 04:44:22
● 2016-01-24 22:18:30
○ 2016-04-19 20:05:38
○ 2026-03-28 02:32:34
○A220.113.41.1382008-03-14 → 2008-03-14 · 3 obs
○ 2015-07-04 04:44:22
○ 2026-03-28 02:32:34
○A47.93.156.422017-05-18 → 2017-05-18 · 4 obs
● 2017-05-18 04:19:08
○ 2026-02-22 07:00:16
○ 2026-03-28 02:32:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net... | - |
| gradgroup.com | dns11.hichina.com, dns12.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.41
NS records: dns11.hichina.com, dns12.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gradgroup.com (unsigned zone)
⏱️ Timing
Total: 3615ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 112.253.36.4 |
| NS | 2 | dns12.hichina.com, dns11.hichina.com |
| MX | 2 | qiye163mx01.mxmail.netease.com (pri: 5), qiye163mx02.mxmail.netease.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.163.com -all |
| SOA | 1 | dns11.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns11.hichina.com, dns11.hichina.com, dns11.hichina.com...)
Analysis
Hierarchy
gradgroup.com is the parent of md.gradgroup.com.
IP Addresses
gradgroup.com resolves to a single IP address: 112.253.36.4.
Other host names, such as gradgroup.cn and md.gradgroup.com, share IP numbers with gradgroup.com.
Name Servers
gradgroup.com's delegation uses two name servers, dns11.hichina.com and dns12.hichina.com.
gradgroup.com shares the same name server setup as other domains, for example 268978.com, jypfzk.com, aicanbao.com, baijiada.com and qeeway.com.
gradgroup.com at least partially shares name servers with other domains, including airplay.net, toupeng.cn, xibaipo.he.cn, cezao.com.cn and 0577.tech.
these name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.
dns11.hichina.com points to: 2408:4009:501::19, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.
dns12.hichina.com points to: 2408:4009:501::20, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.
Mail Servers
gradgroup.com is handled by two mail servers: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.
gradgroup.com shares its mail server setup with other domains, including yinkepat.com, icanccl.com, steamoon.com, topsun-cn.com and chinaxxgj.com.
gradgroup.com shares some mail servers with other domains, for instance ocpuritech.com, cctvgat.com, kues.cn and fineagri.com.
Names with two IPs:
qiye163mx01.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126.
qiye163mx02.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126.
Names pointing to 47.251.71.119: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.
Names pointing to 47.251.84.126: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.