challenges.ca - dns.ninja
challenges.ca
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3030::6815:4833πΊπΈ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:afa4πΊπΈ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.72.51Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.175.164πΊπΈ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | hope.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::adf5:3aa3πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hope.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0a3π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | hope.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20a3πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | hope.ns.cloudflare.com | ||||||
| A | 108.162.192.163πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hope.ns.cloudflare.com | ||||||
| A | 172.64.32.163πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hope.ns.cloudflare.com | ||||||
| A | 173.245.58.163πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hope.ns.cloudflare.com | ||||||
| NS | phil.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b89πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c189π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2189πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 108.162.193.137πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 172.64.33.137πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 173.245.59.137πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.72.51, 172.67.175.164 | ||||||
| IPv6 hints | 2606:4700:3030::6815:4833, 2606:4700:3031::ac43:afa4 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=93, name=cloudflare-ech.com | ||||||
| SOA | hope.ns.cloudflare.comdns@cloudflare.com serial=2406705317 | ||||||
ca
| DNSSEC | π Signed (DS record present) | ||||||
| NS | prd-czp-05.corp.cira.ca β | ||||||
| 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=2606172130 | ||||||
Same first word
Similar names
DNS History
17 records (6 active, 11 former)
βNShope.ns.cloudflare.com2026-02-14 β 2026-06-17 Β· 3 obs
β 2026-02-14 20:16:32
β 2026-06-17 22:10:32
βNSns.cbc.ca2008-09-06 β 2016-12-04 Β· 4 obs
β 2016-12-04 01:23:48
β 2026-02-14 20:16:32
β 2026-06-17 22:10:32
βNSns0.cbc.ca2015-07-07 β 2016-12-04 Β· 5 obs
β 2015-07-07 18:50:14
β 2016-12-04 01:23:48
β 2026-02-14 20:16:32
β 2026-06-17 22:10:32
βNSns2.radio-canada.ca2015-07-07 β 2016-12-04 Β· 5 obs
β 2015-07-07 18:50:14
β 2016-12-04 01:23:48
β 2026-02-14 20:16:32
β 2026-06-17 22:10:32
βNSphil.ns.cloudflare.com2026-02-14 β 2026-06-17 Β· 3 obs
β 2026-02-14 20:16:32
β 2026-06-17 22:10:32
βNSsecondary-ns1.allstream.com2008-09-06 β 2016-12-04 Β· 4 obs
β 2016-12-04 01:23:48
β 2026-02-14 20:16:32
β 2026-06-17 22:10:32
βNSsecondary-ns2.allstream.com2008-09-06 β 2016-12-04 Β· 4 obs
β 2016-12-04 01:23:48
β 2026-02-14 20:16:32
β 2026-06-17 22:10:32
βMXtormail.cbc.ca2008-09-06 β 2026-02-15 Β· 4 obs
β 2026-02-15 20:47:46
β 2026-03-19 01:28:12
β 2026-06-17 22:10:32
βA104.21.72.512026-02-14 β 2026-06-17 Β· 5 obs
β 2026-02-14 20:16:32
β 2026-05-11 06:41:44
β 2026-05-28 19:22:16
β 2026-06-17 22:10:32
βA159.33.65.1662008-09-06 β 2016-12-04 Β· 4 obs
β 2016-12-04 01:23:48
β 2026-02-14 20:16:32
β 2026-06-17 22:10:32
βA172.67.175.1642026-02-14 β 2026-06-17 Β· 5 obs
β 2026-02-14 20:16:32
β 2026-05-11 06:41:44
β 2026-05-28 19:22:16
β 2026-06-17 22:10:32
βA188.114.96.02026-05-28 β 2026-05-28 Β· 3 obs
β 2026-05-28 19:22:16
β 2026-06-17 22:10:32
βA188.114.97.02026-05-28 β 2026-05-28 Β· 3 obs
β 2026-05-28 19:22:16
β 2026-06-17 22:10:32
βA2606:4700:3030::6815:48332026-02-14 β 2026-06-17 Β· 5 obs
β 2026-02-14 20:16:32
β 2026-05-11 06:41:44
β 2026-05-28 19:22:16
β 2026-06-17 22:10:32
βA2606:4700:3031::ac43:afa42026-02-14 β 2026-06-17 Β· 5 obs
β 2026-02-14 20:16:32
β 2026-05-11 06:41:44
β 2026-05-28 19:22:16
β 2026-06-17 22:10:32
βA2a06:98c1:3120::2026-05-28 β 2026-05-28 Β· 3 obs
β 2026-05-28 19:22:16
β 2026-06-17 22:10:32
βA2a06:98c1:3121::2026-05-28 β 2026-05-28 Β· 3 obs
β 2026-05-28 19:22:16
β 2026-06-17 22:10:32
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca | - |
| challenges.ca | hope.ns.cloudflare.com, phil.ns.cloudflare.com | - |
β Authoritative Response
Server:172.64.32.163
NS records: hope.ns.cloudflare.com, phil.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for challenges.ca (unsigned zone)
β±οΈ Timing
Total: 400ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.175.164, 104.21.72.51 |
| AAAA | 2 | 2606:4700:3031::ac43:afa4, 2606:4700:3030::6815:4833 |
| NS | 2 | hope.ns.cloudflare.com, phil.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | hope.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
challenges.ca directs to four IP numbers, which are 104.21.72.51, 172.67.175.164, 2606:4700:3030::6815:4833 and 2606:4700:3031::ac43:afa4.
Additional host names β top.klikbet-77p.kim, singgah4drutin.com, www.erikafashion.sk and two others β share IP numbers with challenges.ca.
Name Servers
challenges.ca uses two name servers for its delegation: hope.ns.cloudflare.com and phil.ns.cloudflare.com.
challenges.ca shares its name server setup with other domains, including smayr.name, nestachallenges.com, nbssport.co.ug and two others.
There is at least partial name server overlap between challenges.ca and other domains β xemphimtv.net, didian.org, www91p444.com and two more among them.
These name servers are routinely deployed together with the name servers jasper.ns.cloudflare.com.
Host names with 6 IP numbers:
Hostname hope.ns.cloudflare.com directs to 108.162.192.163, 172.64.32.163 and 173.245.58.163 along with 3 other IP addresses.
Hostname phil.ns.cloudflare.com directs to 108.162.193.137, 172.64.33.137 and 173.245.59.137 along with 3 other IP addresses.