freesdr.com - robtex.com
freesdr.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 223.72.44.142🇨🇳 CMNET-BEIJING-AP223.72.0.0/17 CMI (Customer Route) | ||||||
| NS | dns29.hichina.com ⭐ | ||||||
| A | 2408:4009:501::37🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.39🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.59🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.199🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.219🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.39🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.59🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.99🇨🇳 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 | 139.224.142.109🇨🇳 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 | dns30.hichina.com | ||||||
| A | 2408:4009:501::38🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.37🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.62🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.197🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.221🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.37🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.62🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.102🇨🇳 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 | 139.224.142.107🇨🇳 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, | ||||||
| SOA | dns29.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=1783671967 | ||||||
Same first word
freesdr.com |
Similar names
DNS History
9 records (3 active, 6 former)
●NSdns29.hichina.com2026-02-27 → 2026-07-10 · 3 obs
● 2026-02-27 07:02:04
● 2026-07-10 08:32:56
●NSdns30.hichina.com2026-02-27 → 2026-07-10 · 3 obs
● 2026-02-27 07:02:04
● 2026-07-10 08:32:56
○NSns17.xincache.com2015-08-14 → 2016-11-19 · 4 obs
● 2016-11-19 09:36:48
○ 2017-07-05 22:29:58
○ 2026-07-10 08:32:56
○NSns18.xincache.com2015-08-14 → 2016-11-19 · 4 obs
● 2016-11-19 09:36:48
○ 2017-07-05 22:29:58
○ 2026-07-10 08:32:56
○MXmxbiz1.qq.com2015-08-14 → 2016-11-19 · 4 obs
● 2016-11-19 09:36:48
○ 2017-07-05 22:29:58
○ 2026-07-10 08:32:56
○MXmxbiz2.qq.com2015-08-14 → 2016-11-19 · 4 obs
● 2016-11-19 09:36:48
○ 2017-07-05 22:29:58
○ 2026-07-10 08:32:56
●A223.72.44.1422026-06-21 → 2026-07-10 · 3 obs
● 2026-06-21 17:34:48
● 2026-07-10 08:32:56
○A223.72.44.1622026-05-01 → 2026-05-01 · 3 obs
○ 2026-05-15 22:08:42
○ 2026-07-10 08:32:56
○A223.72.44.572026-05-15 → 2026-05-29 · 5 obs
● 2026-05-15 22:08:42
● 2026-05-29 16:02:34
○ 2026-06-21 17:34:48
○ 2026-07-10 08:32:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net... | - |
| freesdr.com | dns29.hichina.com, dns30.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.37
NS records: dns29.hichina.com, dns30.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for freesdr.com (unsigned zone)
⏱️ Timing
Total: 881ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 223.72.44.218 |
| NS | 2 | dns30.hichina.com, dns29.hichina.com |
| SOA | 1 | dns29.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns29.hichina.com, dns29.hichina.com, dns29.hichina.com...)
Analysis
IP Addresses
freesdr.com directs to one IP number, which is 223.72.44.142.
Name Servers
freesdr.com has two authoritative name servers — dns29.hichina.com and dns30.hichina.com.
freesdr.com has the same name server delegation as a number of other domains, such as 878mu.com, leiai.cn, oict.cn and two more.
At least some of freesdr.com's name servers are shared with other domains, for example cnysmt.com, gylxpuer.com, easybim.xyz and two more.
These name servers tend to be deployed in combination with the name servers expirens3.hichina.com and expirens4.hichina.com.
Host names resolving to 9 IP numbers:
dns29.hichina.com points to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 other IP addresses.
dns30.hichina.com points to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 other IP addresses.