challenges.ca - dns.ninja

challenges.ca

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:4833πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3031::ac43:afa4πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.72.51Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.175.164πŸ‡ΊπŸ‡Έ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NShope.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aa3πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhope.ns.cloudflare.com
A2803:f800:50::6ca2:c0a3πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhope.ns.cloudflare.com
A2a06:98c1:50::ac40:20a3πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRhope.ns.cloudflare.com
A108.162.192.163πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhope.ns.cloudflare.com
A172.64.32.163πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhope.ns.cloudflare.com
A173.245.58.163πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhope.ns.cloudflare.com
NSphil.ns.cloudflare.com
A2606:4700:58::adf5:3b89πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRphil.ns.cloudflare.com
A2803:f800:50::6ca2:c189πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRphil.ns.cloudflare.com
A2a06:98c1:50::ac40:2189πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRphil.ns.cloudflare.com
A108.162.193.137πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRphil.ns.cloudflare.com
A172.64.33.137πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRphil.ns.cloudflare.com
A173.245.59.137πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRphil.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.72.51, 172.67.175.164
IPv6 hints2606:4700:3030::6815:4833, 2606:4700:3031::ac43:afa4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=93, name=cloudflare-ech.com
SOAhope.ns.cloudflare.comdns@cloudflare.com serial=2406705317

ca

DNSSECπŸ”’ Signed (DS record present)
NSprd-czp-05.corp.cira.ca ⭐
NSany.ca-servers.ca
NSc.ca-servers.ca
NSd.ca-servers.ca
NSj.ca-servers.ca
SOAprd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2606172130

Same first word

Similar names

DNS History

17 records (6 active, 11 former)

200920112013201520172019202120232025NShope.ns.cloudflare.comphil.ns.cloudflare.comns.cbc.cans0.cbc.cans2.radio-canada.casecondary-ns1.allstream.comsecondary-ns2.allstream.comMXtormail.cbc.caA104.21.72.51172.67.175.1642606:4700:3030::6815:48332606:4700:3031::ac43:afa4159.33.65.166188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NShope.ns.cloudflare.com2026-02-14 β†’ 2026-06-17 Β· 3 obs
β—‹ 2016-12-04 01:23:48
● 2026-02-14 20:16:32
● 2026-06-17 22:10:32
β—‹NSns.cbc.ca2008-09-06 β†’ 2016-12-04 Β· 4 obs
● 2008-09-06 05:35:16
● 2016-12-04 01:23:48
β—‹ 2026-02-14 20:16:32
β—‹ 2026-06-17 22:10:32
β—‹NSns0.cbc.ca2015-07-07 β†’ 2016-12-04 Β· 5 obs
β—‹ 2008-09-06 05:35:16
● 2015-07-07 18:50:14
● 2016-12-04 01:23:48
β—‹ 2026-02-14 20:16:32
β—‹ 2026-06-17 22:10:32
β—‹NSns2.radio-canada.ca2015-07-07 β†’ 2016-12-04 Β· 5 obs
β—‹ 2008-09-06 05:35:16
● 2015-07-07 18:50:14
● 2016-12-04 01:23:48
β—‹ 2026-02-14 20:16:32
β—‹ 2026-06-17 22:10:32
●NSphil.ns.cloudflare.com2026-02-14 β†’ 2026-06-17 Β· 3 obs
β—‹ 2016-12-04 01:23:48
● 2026-02-14 20:16:32
● 2026-06-17 22:10:32
β—‹NSsecondary-ns1.allstream.com2008-09-06 β†’ 2016-12-04 Β· 4 obs
● 2008-09-06 05:35:16
● 2016-12-04 01:23:48
β—‹ 2026-02-14 20:16:32
β—‹ 2026-06-17 22:10:32
β—‹NSsecondary-ns2.allstream.com2008-09-06 β†’ 2016-12-04 Β· 4 obs
● 2008-09-06 05:35:16
● 2016-12-04 01:23:48
β—‹ 2026-02-14 20:16:32
β—‹ 2026-06-17 22:10:32
β—‹MXtormail.cbc.ca2008-09-06 β†’ 2026-02-15 Β· 4 obs
● 2008-09-06 05:35:16
● 2026-02-15 20:47:46
β—‹ 2026-03-19 01:28:12
β—‹ 2026-06-17 22:10:32
●A104.21.72.512026-02-14 β†’ 2026-06-17 Β· 5 obs
β—‹ 2016-12-04 01:23:48
● 2026-02-14 20:16:32
● 2026-05-11 06:41:44
β—‹ 2026-05-28 19:22:16
● 2026-06-17 22:10:32
β—‹A159.33.65.1662008-09-06 β†’ 2016-12-04 Β· 4 obs
● 2008-09-06 05:35:16
● 2016-12-04 01:23:48
β—‹ 2026-02-14 20:16:32
β—‹ 2026-06-17 22:10:32
●A172.67.175.1642026-02-14 β†’ 2026-06-17 Β· 5 obs
β—‹ 2016-12-04 01:23:48
● 2026-02-14 20:16:32
● 2026-05-11 06:41:44
β—‹ 2026-05-28 19:22:16
● 2026-06-17 22:10:32
β—‹A188.114.96.02026-05-28 β†’ 2026-05-28 Β· 3 obs
β—‹ 2026-05-11 06:41:44
● 2026-05-28 19:22:16
β—‹ 2026-06-17 22:10:32
β—‹A188.114.97.02026-05-28 β†’ 2026-05-28 Β· 3 obs
β—‹ 2026-05-11 06:41:44
● 2026-05-28 19:22:16
β—‹ 2026-06-17 22:10:32
●A2606:4700:3030::6815:48332026-02-14 β†’ 2026-06-17 Β· 5 obs
β—‹ 2016-12-04 01:23:48
● 2026-02-14 20:16:32
● 2026-05-11 06:41:44
β—‹ 2026-05-28 19:22:16
● 2026-06-17 22:10:32
●A2606:4700:3031::ac43:afa42026-02-14 β†’ 2026-06-17 Β· 5 obs
β—‹ 2016-12-04 01:23:48
● 2026-02-14 20:16:32
● 2026-05-11 06:41:44
β—‹ 2026-05-28 19:22:16
● 2026-06-17 22:10:32
β—‹A2a06:98c1:3120::2026-05-28 β†’ 2026-05-28 Β· 3 obs
β—‹ 2026-05-11 06:41:44
● 2026-05-28 19:22:16
β—‹ 2026-06-17 22:10:32
β—‹A2a06:98c1:3121::2026-05-28 β†’ 2026-05-28 Β· 3 obs
β—‹ 2026-05-11 06:41:44
● 2026-05-28 19:22:16
β—‹ 2026-06-17 22:10:32

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cac.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca-
challenges.cahope.ns.cloudflare.com, phil.ns.cloudflare.com-

βœ… Authoritative Response

Server:172.64.32.163

NS records: hope.ns.cloudflare.com, phil.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for challenges.ca (unsigned zone)

⏱️ Timing

Total: 400ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.67.175.164, 104.21.72.51
AAAA22606:4700:3031::ac43:afa4, 2606:4700:3030::6815:4833
NS2hope.ns.cloudflare.com, phil.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1hope.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.