studyfr.net - robtex.com
studyfr.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 115.28.39.115🇨🇳 Alibaba-Cloud115.28.0.0/18 | ||||||
| NS | dns13.hichina.com ⭐ | ||||||
| A | 2408:4009:501::21🇨🇳 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 | dns14.hichina.com | ||||||
| A | 2408:4009:501::22🇨🇳 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 | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mxhichina.com -all | ||||||
| SOA | dns13.hichina.comhostmaster@hichina.com 2026-01-09 #13 | ||||||
net
| 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=1774421652 | ||||||
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
●NSdns13.hichina.com2026-02-20 → 2026-03-25 · 3 obs
● 2026-02-20 19:30:04
● 2026-03-25 07:05:12
●NSdns14.hichina.com2026-02-20 → 2026-03-25 · 3 obs
● 2026-02-20 19:30:04
● 2026-03-25 07:05:12
○NSns1.dnsv2.com2015-04-24 → 2015-04-24 · 3 obs
○ 2015-09-05 12:17:56
○ 2026-03-25 07:05:12
○NSns3.dnsv2.com2015-04-24 → 2018-10-03 · 4 obs
● 2018-10-03 10:21:46
○ 2026-02-20 19:30:04
○ 2026-03-25 07:05:12
○NSns4.dnsv2.com2015-04-24 → 2018-10-03 · 4 obs
● 2018-10-03 10:21:46
○ 2026-02-20 19:30:04
○ 2026-03-25 07:05:12
○MXmx.exmail.sina.com2015-04-24 → 2016-04-03 · 4 obs
● 2016-04-03 21:40:26
○ 2017-02-07 02:54:48
○ 2026-03-25 07:05:12
●MXmxbiz1.qq.com2026-02-20 → 2026-03-25 · 3 obs
● 2026-02-20 19:30:04
● 2026-03-25 07:05:12
●MXmxbiz2.qq.com2026-02-20 → 2026-03-25 · 3 obs
● 2026-02-20 19:30:04
● 2026-03-25 07:05:12
○MXmxn.mxhichina.com2017-02-07 → 2018-10-03 · 5 obs
● 2017-02-07 02:54:48
● 2018-10-03 10:21:46
○ 2026-02-20 19:30:04
○ 2026-03-25 07:05:12
○MXmxw.mxhichina.com2017-02-07 → 2018-10-03 · 5 obs
● 2017-02-07 02:54:48
● 2018-10-03 10:21:46
○ 2026-02-20 19:30:04
○ 2026-03-25 07:05:12
●A115.28.39.1152026-02-20 → 2026-03-25 · 2 obs
● 2026-03-25 07:05:12
🔍 DNS Trace
Analysis
IP Addresses
studyfr.net points to a single IP number: 115.28.39.115.
Name Servers
studyfr.net is delegated to two name servers: dns13.hichina.com and dns14.hichina.com.
studyfr.net uses the same name server setup as other domains, for instance minko.com.cn, iccidchaxun.com, jicamedical.com, 9lay.com and chinadongjie.com.
studyfr.net at least partially shares name servers with other domains, such as cdjtml.cn and spky.cn and paidisen.com.
these name servers are commonly used together with expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers: dns13.hichina.com points to 2408:4009:501::21, 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; dns14.hichina.com points to 2408:4009:501::22, 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
studyfr.net is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
studyfr.net shares the same mail server setup as other domains, including farsports.cn, zyoou.com, chinaartshz.com, cheerman.org and chuangqiplay.com.
studyfr.net shares some mail servers with other domains, for example dswellan.com, qigonggate.com, legu168.com and blobull.com.