sisdt.com - robtex.com
sisdt.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.41.45.4🇨🇳 Alibaba-Cloud121.40.0.0/15 | ||||||
| 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=1784688402 | ||||||
Same first word
sisdt.com |
Similar names
DNS History
3 records (3 active, 0 former)
●NSdns29.hichina.com2026-06-13 → 2026-07-22 · 2 obs
● 2026-07-22 02:56:18
●NSdns30.hichina.com2026-06-13 → 2026-07-22 · 2 obs
● 2026-07-22 02:56:18
●A121.41.45.42026-06-13 → 2026-07-22 · 2 obs
● 2026-07-22 02:56:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net... | - |
| sisdt.com | dns29.hichina.com, dns30.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.39
NS records: dns29.hichina.com, dns30.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sisdt.com (unsigned zone)
⏱️ Timing
Total: 714ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.41.45.4 |
| NS | 2 | dns29.hichina.com, dns30.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
sisdt.com has exactly one IP address — 121.41.45.4.
Name Servers
sisdt.com has two authoritative name servers — dns29.hichina.com and dns30.hichina.com.
The name server configuration of sisdt.com is shared with other domains, for instance pcbspeed.com, jjjts.com, karezl.com and two others.
sisdt.com shares at least some of its name servers with domains including jwemed.cn, xiuzhuan.com and leagleindustry.com
These name servers commonly appear alongside the name servers ns1.alidns.com and ns2.alidns.com.
Hosts with 9 IP addresses each:
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.