knowledgecontrolcorp.com - robtex.com
knowledgecontrolcorp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.91.135.219🇨🇦 VIANET-CA209.91.128.0/19 tnnet-ca | ||||||
| PTR | static-209-91-135-219.vianet.ca | ||||||
| NS | ns1.vianet.ca ⭐ | ||||||
| A | 209.91.128.30🇨🇦 VIANET-CA209.91.128.0/19 tnnet-ca | ||||||
| PTR | ns1.vianet.ca | ||||||
| NS | ns2.vianet.ca | ||||||
| A | 204.187.89.10🇨🇦 VIANET-CA204.187.88.0/23 ViaNet Internet Solutions | ||||||
| PTR | ns2.vianet.ca | ||||||
| NS | ns3.vianet.ca | ||||||
| A | 209.91.174.60🇨🇦 VIANET-CA209.91.160.0/19 | ||||||
| PTR | ns3.vianet.ca | ||||||
| NS | ns4.vianet.ca | ||||||
| A | 204.187.88.5🇨🇦 VIANET-CA204.187.88.0/23 ViaNet Internet Solutions | ||||||
| PTR | ns4.vianet.ca | ||||||
| MX | mx1.vianet.ca ⭐ | ||||||
| A | 209.91.128.21🇨🇦 VIANET-CA209.91.128.0/19 tnnet-ca | ||||||
| PTR | mx1.vianet.ca | ||||||
| MX | mx2.vianet.ca ⭐ | ||||||
| A | 209.91.128.22🇨🇦 VIANET-CA209.91.128.0/19 tnnet-ca | ||||||
| PTR | mx2.vianet.ca | ||||||
| MX | mx3.vianet.ca ⭐ | ||||||
| A | 209.91.128.23🇨🇦 VIANET-CA209.91.128.0/19 tnnet-ca | ||||||
| PTR | mx3.vianet.ca | ||||||
| MX | mx4.vianet.ca ⭐ | ||||||
| A | 209.91.128.24🇨🇦 VIANET-CA209.91.128.0/19 tnnet-ca | ||||||
| PTR | mx4.vianet.ca | ||||||
| TXT | v=spf1 include:_spf.vianet.ca ~all | ||||||
| SOA | ns1.vianet.cadns@vianet.ca serial=1683661546 | ||||||
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=1788505745 | ||||||
Same first word
knowledgecontrolcorp.com |
Previous names
Next names
DNS History
9 records (9 active, 0 former)
●A209.91.135.2192015-05-18 → 2026-09-04 · 2 obs
● 2026-09-04 07:27:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| knowledgecontrolcorp.com | ns1.vianet.ca, ns2.vianet.ca, ns3.vianet.ca, ns4.vianet.ca | - |
✅ Authoritative Response
Server:209.91.174.60
NS records: ns1.vianet.ca, ns2.vianet.ca, ns3.vianet.ca, ns4.vianet.ca
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowledgecontrolcorp.com (unsigned zone)
⏱️ Timing
Total: 1189ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.91.135.219 |
| NS | 4 | ns4.vianet.ca, ns1.vianet.ca... |
| MX | 4 | mx1.vianet.ca (pri: 10), mx2.vianet.ca (pri: 10)... |
| TXT | 1 | v=spf1 include:_spf.vianet.ca ~all |
| SOA | 1 | ns1.vianet.ca dns.vianet.ca |
Analysis
IP Addresses
knowledgecontrolcorp.com directs to one IP number, which is 209.91.135.219.
static-209-91-135-219.vianet.ca is an example of another host name that shares IP numbers with knowledgecontrolcorp.com.
Name Servers
The domain knowledgecontrolcorp.com is delegated to these four name servers: ns1.vianet.ca, ns2.vianet.ca, ns3.vianet.ca and ns4.vianet.ca.
At least some of knowledgecontrolcorp.com's name servers are shared with other domains, for example centralcable.on.ca, manitoulin.ca, telecomottawa.net and two more.
These name servers are often deployed together with the name servers ns5.vianet.ca, ns6.vianet.ca, gwn.vianet.ca and icewall.vianet.ca.
ns1.vianet.ca resolves to 209.91.128.30. ns2.vianet.ca resolves to 204.187.89.10. ns3.vianet.ca resolves to 209.91.174.60. ns4.vianet.ca resolves to 204.187.88.5. All four hosts carry exactly one IP address.
Mail Servers
Mail for knowledgecontrolcorp.com is handled by four mail servers: mx1.vianet.ca, mx2.vianet.ca, mx3.vianet.ca and mx4.vianet.ca.
knowledgecontrolcorp.com shares at least some of its mail servers with other domains — for example transdata.ca, worldgymsunridge.com, jumpsudbury.ca and two more.
mx1.vianet.ca resolves to 209.91.128.21. mx2.vianet.ca resolves to 209.91.128.22. mx3.vianet.ca resolves to 209.91.128.23. mx4.vianet.ca resolves to 209.91.128.24. All four hosts carry exactly one IP address.