knowledgu.com - robtex.com
knowledgu.com
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 | ||||||
Subdomains
mail.knowledgu.com |
Same first word
knowledgu.com |
DNS History
4 records (4 active, 0 former)
●NSdns27.hichina.com2026-03-20 → 2026-03-24 · 2 obs
● 2026-03-24 01:03:56
●NSdns28.hichina.com2026-03-20 → 2026-03-24 · 2 obs
● 2026-03-24 01:03:56
●MXmail.knowledgu.com2026-03-20 → 2026-03-24 · 2 obs
● 2026-03-24 01:03:56
●A104.18.11.622026-03-20 → 2026-03-24 · 2 obs
● 2026-03-24 01:03:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| knowledgu.com | dns27.hichina.com, dns28.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.39
NS records: dns27.hichina.com, dns28.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowledgu.com (unsigned zone)
⏱️ Timing
Total: 825ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.18.11.62 |
| NS | 2 | dns27.hichina.com, dns28.hichina.com |
| MX | 1 | mail.knowledgu.com (pri: 1) |
| TXT | 1 | v=spf1 ip4:47.254.92.90~all |
| SOA | 1 | dns27.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns27.hichina.com, dns27.hichina.com, dns27.hichina.com...)
Analysis
Hierarchy
The parent of mail.knowledgu.com is knowledgu.com.
IP Addresses
knowledgu.com points to an IP address: 104.18.11.62.
other host names include standarid.com, apresume.com, conefidnce.com, depannedt.com and array-green.com; they share IP numbers with knowledgu.com.
Name Servers
Two name servers dns27.hichina.com and dns28.hichina.com handle the delegation for knowledgu.com.
knowledgu.com shares the same name server setup as other domains, for instance vrcos.com, qkyd.cn, misstars.com, sic-ca.com and intelirri.com.
knowledgu.com at least partially shares name servers with other domains, for instance 296.biz, mihuashu.com, sdstsn.com, jmindustries.cc and jxszyy.com.
These name servers are commonly used with the following: expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers:
dns27.hichina.com points to: 2408:4009:501::35, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.
dns28.hichina.com points to: 2408:4009:501::36, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.
Mail Servers
knowledgu.com is handled by a single mail server, mail.knowledgu.com.
The host name mail.knowledgu.com points to IP 47.254.92.90.