slidermath.ca - dns.ninja
slidermath.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.91.128.142🇨🇦 VIANET-CA209.91.128.0/19 tnnet-ca | ||||||
| PTR | uhs1.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 ⚠️ Not in parent delegation | ||||||
| A | 209.91.174.60🇨🇦 VIANET-CA209.91.160.0/19 | ||||||
| NS | ns4.vianet.ca ⚠️ Not in parent delegation | ||||||
| A | 204.187.88.5🇨🇦 VIANET-CA204.187.88.0/23 ViaNet Internet Solutions | ||||||
| PTR | ns4.vianet.ca | ||||||
| SOA | ns1.vianet.cadns@vianet.ca serial=1564608280 | ||||||
ca
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | prd-czp-05.corp.cira.ca ⭐ | ||||||
| NS | any.ca-servers.ca | ||||||
| NS | c.ca-servers.ca | ||||||
| NS | d.ca-servers.ca | ||||||
| NS | j.ca-servers.ca | ||||||
| SOA | prd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2608041400 | ||||||
Same first word
slidermath.org |
slidermath.ca |
slidermath.com |
Similar names
DNS History
5 records (5 active, 0 former)
●A209.91.128.1422015-06-03 → 2026-08-04 · 2 obs
● 2026-08-04 14:39:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | j.ca-servers.ca, c.ca-servers.ca, d.ca-servers.ca, any.ca-servers.ca | - |
| slidermath.ca | ns1.vianet.ca, ns2.vianet.ca | 2 records |
✅ Authoritative Response
Server:209.91.128.30
NS records: ns1.vianet.ca, ns2.vianet.ca
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for slidermath.ca (unsigned zone)
⏱️ Timing
Total: 212ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.91.128.142 |
| NS | 4 | ns1.vianet.ca, ns2.vianet.ca... |
| SOA | 1 | ns1.vianet.ca dns.vianet.ca |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.vianet.ca, ns2.vianet.ca)
Analysis
IP Addresses
slidermath.ca directs to one IP number, which is 209.91.128.142.
Among the host names that share IP numbers with slidermath.ca are bridgebuff.com, noreng.ca, americanmetalstamping.com and two others.
Name Servers
The domain slidermath.ca is delegated to these four name servers: ns1.vianet.ca, ns2.vianet.ca, ns3.vianet.ca and ns4.vianet.ca.
slidermath.ca partially shares its NS delegation with several other domains, including southsidechevy.com, bbn.ca, fedeli.ca and two others.
In DNS configurations, these name servers often share authority with ns5.vianet.ca, ns6.vianet.ca, gwn.vianet.ca and 7 other name servers.
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.