sdgreatedu.com - robtex.com
sdgreatedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.186.45.237🇺🇸 AS395776192.186.45.0/24 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=1768152580 | ||||||
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=1778531671 | ||||||
Same first word
sdgreatedu.com |
DNS History
12 records (3 active, 9 former)
○NSf1g1ns1.dnspod.net2015-06-10 → 2015-06-10 · 3 obs
○ 2015-11-01 05:09:54
○ 2026-05-11 21:00:00
○NSf1g1ns2.dnspod.net2015-06-10 → 2015-06-10 · 3 obs
○ 2015-11-01 05:09:54
○ 2026-05-11 21:00:00
○NSjm1.dns.com2020-02-03 → 2020-02-03 · 4 obs
● 2020-02-03 13:26:16
○ 2026-03-18 19:10:28
○ 2026-05-11 21:00:00
○NSjm2.dns.com2020-02-03 → 2020-02-03 · 4 obs
● 2020-02-03 13:26:16
○ 2026-03-18 19:10:28
○ 2026-05-11 21:00:00
○NSjuming.dnsdun.com2016-01-25 → 2016-04-12 · 5 obs
● 2016-01-25 09:09:38
● 2016-04-12 19:58:46
○ 2017-02-03 10:51:22
○ 2026-05-11 21:00:00
○NSjuming.dnsdun.net2016-01-25 → 2016-04-12 · 5 obs
● 2016-01-25 09:09:38
● 2016-04-12 19:58:46
○ 2017-02-03 10:51:22
○ 2026-05-11 21:00:00
●NSns1.dns.com2026-03-18 → 2026-05-11 · 3 obs
● 2026-03-18 19:10:28
● 2026-05-11 21:00:00
●NSns2.dns.com2026-03-18 → 2026-05-11 · 3 obs
● 2026-03-18 19:10:28
● 2026-05-11 21:00:00
○A103.199.245.2202016-01-25 → 2016-01-25 · 4 obs
● 2016-01-25 09:09:38
○ 2017-02-03 10:51:22
○ 2026-05-11 21:00:00
●A192.186.45.2372026-03-18 → 2026-05-11 · 3 obs
● 2026-03-18 19:10:28
● 2026-05-11 21:00:00
○A216.152.225.2332020-02-03 → 2020-02-03 · 4 obs
● 2020-02-03 13:26:16
○ 2026-03-18 19:10:28
○ 2026-05-11 21:00:00
○A23.228.75.212015-06-10 → 2015-06-10 · 3 obs
○ 2015-11-01 05:09:54
○ 2026-05-11 21:00:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| sdgreatedu.com | ns1.dns.com, ns2.dns.com | 6 records |
✅ Authoritative Response
Server:154.23.191.129
NS records: ns1.dns.com, ns2.dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdgreatedu.com (unsigned zone)
⏱️ Timing
Total: 278ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.186.45.237 |
| 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
sdgreatedu.com points to an IP address: 192.186.45.237.
other host names include zhuxinyunchina.com, anchorageedu.com, baiyu-china.com, szzgsb.com and somnukschool.com; they share IP numbers with sdgreatedu.com.
Name Servers
Two name servers ns1.dns.com and ns2.dns.com handle the delegation for sdgreatedu.com.
sdgreatedu.com shares the same name server setup as other domains, for instance zt-pharm.com, hj7272.com, ssmh121.com, ybwhsw.com and boan168.com.
sdgreatedu.com at least partially shares name servers with other domains, including ky5.cc and 1.243.20.8.in-addr.arpa.
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.