slidermath.com - dns.ninja
slidermath.com
| 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 | ||||||
| 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 | ||||||
| SOA | ns1.vianet.cadns@vianet.ca serial=1564608280 | ||||||
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=1785841112 | ||||||
Subdomains
www.slidermath.com |
Same first word
slidermath.org |
slidermath.ca |
slidermath.com |
Similar names
DNS History
9 records (9 active, 0 former)
●A209.91.128.1422015-07-06 → 2026-08-04 · 2 obs
● 2026-08-04 11:08:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| slidermath.com | ns1.vianet.ca, ns2.vianet.ca, ns3.vianet.ca, ns4.vianet.ca | - |
✅ Authoritative Response
Server:209.91.128.30
NS records: ns1.vianet.ca, ns2.vianet.ca, ns3.vianet.ca, ns4.vianet.ca
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for slidermath.com (unsigned zone)
⏱️ Timing
Total: 473ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.91.128.142 |
| NS | 4 | ns4.vianet.ca, ns3.vianet.ca... |
| MX | 4 | mx4.vianet.ca (pri: 10), mx3.vianet.ca (pri: 10)... |
| SOA | 1 | ns1.vianet.ca dns.vianet.ca |
Analysis
Hierarchy
slidermath.com is a parent domain of www.slidermath.com.
IP Addresses
slidermath.com directs to one IP number, which is 209.91.128.142.
Among the host names that share IP numbers with slidermath.com are northrealtyinc.com, adstech.ca, srcrimestoppers.com and two others.
Name Servers
The domain slidermath.com is delegated to these four name servers: ns1.vianet.ca, ns2.vianet.ca, ns3.vianet.ca and ns4.vianet.ca.
slidermath.com shares at least some of its name servers with other domains, including cscno-wnchc.org, 186.225.66.in-addr.arpa, rglaw.ca and two others.
These name servers are routinely co-deployed with the name servers ns5.vianet.ca, ns6.vianet.ca, host1.kingkom.com and two others.
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
Four mail servers handle email for slidermath.com: mx1.vianet.ca, mx2.vianet.ca, mx3.vianet.ca and mx4.vianet.ca.
slidermath.com shares at least some of its mail servers with other domains — for example blueberrynetworks.ca, northernontariokidsfoundation.com, elmcovecottages.com 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.