hdoschool.com - robtex.com
hdoschool.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 107.163.47.123🇺🇸 AS395776107.163.47.0/24 SKBroadband customer route | ||||||
| NS | ns1.dns.com ⭐ | ||||||
| A | 2001:df2:f080:2::1:1🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.23.191.128🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.128🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.dns.com | ||||||
| A | 2001:df2:f080:2::1:2🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.23.191.129🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.129🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| SOA | ns1.dns.comadmin@dns.com serial=1768152583 | ||||||
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=1771291435 | ||||||
Same first word
hdoschool.com |
DNS History
7 records (3 active, 4 former)
○NSdns1.registrar-servers.com2019-12-17 → 2019-12-17 · 2 obs
○ 2026-03-23 21:19:42
○NSdns2.registrar-servers.com2019-12-17 → 2019-12-17 · 2 obs
○ 2026-03-23 21:19:42
○MXhdoschool.com2019-12-17 → 2019-12-17 · 2 obs
○ 2026-03-23 21:19:42
●A107.163.47.1232026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 21:19:42
○A5.253.247.42019-12-17 → 2019-12-17 · 2 obs
○ 2026-03-23 21:19:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| hdoschool.com | ns1.dns.com, ns2.dns.com | 6 records |
✅ Authoritative Response
Server:154.23.191.128
NS records: ns1.dns.com, ns2.dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hdoschool.com (unsigned zone)
⏱️ Timing
Total: 265ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 107.163.47.123 |
| NS | 2 | ns1.dns.com, ns2.dns.com |
| SOA | 1 | ns1.dns.com admin.dns.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.dns.com, ns1.dns.com, ns1.dns.com...)
Analysis
IP Addresses
hdoschool.com points to IP number: 107.163.47.123.
Other host names such as wuxiyuchengtang.com, ntpsychologygroup.com and moltobuonofood.com share IP numbers with hdoschool.com.
Name Servers
hdoschool.com is delegated to two name servers: ns1.dns.com and ns2.dns.com.
hdoschool.com shares the same name server setup as 7089pp.com, 2411.cc, hg9945.com, ldfhj.com and hstdaz.com.
hdoschool.com shares name servers with other domains at least partially, for instance 36.243.20.8.in-addr.arpa and 2.243.20.8.in-addr.arpa.
These name servers are commonly used with ns3.dns.com and ns4.dns.com.
Host names with three IP numbers: ns1.dns.com points to 2001:df2:f080:2::1:1, 154.23.191.128 and 154.86.21.128; ns2.dns.com points to 2001:df2:f080:2::1:2, 154.23.191.129 and 154.86.21.129.