itlearning.com.cn - dns.ninja

itlearning.com.cn

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:4166πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3035::ac43:a195πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.65.102Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.161.149πŸ‡ΊπŸ‡Έ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSaustin.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b46πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaustin.ns.cloudflare.com
A2803:f800:50::6ca2:c146πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaustin.ns.cloudflare.com
A2a06:98c1:50::ac40:2146πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRaustin.ns.cloudflare.com
A108.162.193.70πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaustin.ns.cloudflare.com
A172.64.33.70πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaustin.ns.cloudflare.com
A173.245.59.70πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaustin.ns.cloudflare.com
NSfrida.ns.cloudflare.com
A2606:4700:50::a29f:2689πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfrida.ns.cloudflare.com
A2803:f800:50::6ca2:c289πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRfrida.ns.cloudflare.com
A2a06:98c1:50::ac40:2289πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRfrida.ns.cloudflare.com
A108.162.194.137πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfrida.ns.cloudflare.com
A162.159.38.137Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfrida.ns.cloudflare.com
A172.64.34.137πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfrida.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.65.102, 172.67.161.149
IPv6 hints2606:4700:3030::6815:4166, 2606:4700:3035::ac43:a195
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=7, name=cloudflare-ech.com
SOAaustin.ns.cloudflare.comdns@cloudflare.com serial=2406958172

com.cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐ ⚠️ Not in parent delegation
NSb.dns.cn ⚠️ Not in parent delegation
NSc.dns.cn ⚠️ Not in parent delegation
NScns.cernet.net ⚠️ Not in parent delegation
NSd.dns.cn ⚠️ Not in parent delegation
NSe.dns.cn ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2030654103
WOT: NOT_SAFE (20/100)

Same first word

Similar names

DNS History

17 records (6 active, 11 former)

20162017201820192020202120222023202420252026NSaustin.ns.cloudflare.comfrida.ns.cloudflare.comjm1.dns.comjm2.dns.comns1.51dns.comns1.dnsdun.comns1.nowcndns.comns2.51dns.comns2.nowcndns.comns4.dnsdun.netA104.21.65.102172.67.161.1492606:4700:3030::6815:41662606:4700:3035::ac43:a195160.124.194.196192.187.125.17863.141.242.203
●NSaustin.ns.cloudflare.com2026-05-01 β†’ 2026-06-27 Β· 3 obs
β—‹ 2020-04-10 16:28:12
● 2026-05-01 00:45:36
● 2026-06-27 04:57:02
●NSfrida.ns.cloudflare.com2026-05-01 β†’ 2026-06-27 Β· 3 obs
β—‹ 2020-04-10 16:28:12
● 2026-05-01 00:45:36
● 2026-06-27 04:57:02
β—‹NSjm1.dns.com2020-04-10 β†’ 2020-04-10 Β· 4 obs
β—‹ 2017-03-29 10:47:12
● 2020-04-10 16:28:12
β—‹ 2026-05-01 00:45:36
β—‹ 2026-06-27 04:57:02
β—‹NSjm2.dns.com2020-04-10 β†’ 2020-04-10 Β· 4 obs
β—‹ 2017-03-29 10:47:12
● 2020-04-10 16:28:12
β—‹ 2026-05-01 00:45:36
β—‹ 2026-06-27 04:57:02
β—‹NSns1.51dns.com2016-01-26 β†’ 2016-04-25 Β· 5 obs
β—‹ 2015-11-01 16:36:26
● 2016-01-26 13:16:16
● 2016-04-25 19:37:28
β—‹ 2017-03-29 10:47:12
β—‹ 2026-06-27 04:57:02
β—‹NSns1.dnsdun.com2015-06-16 β†’ 2015-11-01 Β· 4 obs
● 2015-06-16 10:22:54
● 2015-11-01 16:36:26
β—‹ 2016-01-26 13:16:16
β—‹ 2026-06-27 04:57:02
β—‹NSns1.nowcndns.com2026-05-01 β†’ 2026-06-27 Β· 2 obs
β—‹ 2026-05-01 00:45:36
β—‹ 2026-06-27 04:57:02
β—‹NSns2.51dns.com2016-01-26 β†’ 2016-04-25 Β· 5 obs
β—‹ 2015-11-01 16:36:26
● 2016-01-26 13:16:16
● 2016-04-25 19:37:28
β—‹ 2017-03-29 10:47:12
β—‹ 2026-06-27 04:57:02
β—‹NSns2.nowcndns.com2026-05-01 β†’ 2026-06-27 Β· 2 obs
β—‹ 2026-05-01 00:45:36
β—‹ 2026-06-27 04:57:02
β—‹NSns4.dnsdun.net2015-06-16 β†’ 2015-11-01 Β· 4 obs
● 2015-06-16 10:22:54
● 2015-11-01 16:36:26
β—‹ 2016-01-26 13:16:16
β—‹ 2026-06-27 04:57:02
●A104.21.65.1022026-05-01 β†’ 2026-06-27 Β· 3 obs
β—‹ 2020-04-10 16:28:12
● 2026-05-01 00:45:36
● 2026-06-27 04:57:02
β—‹A160.124.194.1962020-04-10 β†’ 2020-04-10 Β· 4 obs
β—‹ 2017-03-29 10:47:12
● 2020-04-10 16:28:12
β—‹ 2026-05-01 00:45:36
β—‹ 2026-06-27 04:57:02
●A172.67.161.1492026-05-01 β†’ 2026-06-27 Β· 3 obs
β—‹ 2020-04-10 16:28:12
● 2026-05-01 00:45:36
● 2026-06-27 04:57:02
β—‹A192.187.125.1782015-06-16 β†’ 2015-11-01 Β· 4 obs
● 2015-06-16 10:22:54
● 2015-11-01 16:36:26
β—‹ 2016-01-26 13:16:16
β—‹ 2026-06-27 04:57:02
●A2606:4700:3030::6815:41662026-05-01 β†’ 2026-06-27 Β· 3 obs
β—‹ 2020-04-10 16:28:12
● 2026-05-01 00:45:36
● 2026-06-27 04:57:02
●A2606:4700:3035::ac43:a1952026-05-01 β†’ 2026-06-27 Β· 3 obs
β—‹ 2020-04-10 16:28:12
● 2026-05-01 00:45:36
● 2026-06-27 04:57:02
β—‹A63.141.242.2032016-01-26 β†’ 2016-04-25 Β· 5 obs
β—‹ 2015-11-01 16:36:26
● 2016-01-26 13:16:16
● 2016-04-25 19:37:28
β—‹ 2017-03-29 10:47:12
β—‹ 2026-06-27 04:57:02

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cne.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...-
itlearning.com.cnfrida.ns.cloudflare.com, austin.ns.cloudflare.com-

βœ… Authoritative Response

Server:108.162.193.70

NS records: frida.ns.cloudflare.com, austin.ns.cloudflare.com

πŸ”’ DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at itlearning.com.cn: Error: DNS query timeout: 203.119.29.1 for DS itlearning.com.cn

⏱️ Timing

Total: 3705ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.65.102, 172.67.161.149
AAAA22606:4700:3035::ac43:a195, 2606:4700:3030::6815:4166
NS2austin.ns.cloudflare.com, frida.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1austin.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

itlearning.com.cn directs to four IP numbers, which are 104.21.65.102, 172.67.161.149, 2606:4700:3030::6815:4166 and 2606:4700:3035::ac43:a195.

Two other host names, along with www.rechtswinkelcuijk.nl, tandemexperts.com and www.iamhomesteader.com, also share IP numbers with itlearning.com.cn.

Name Servers

itlearning.com.cn is served by two delegated name servers, austin.ns.cloudflare.com and frida.ns.cloudflare.com.

itlearning.com.cn shares its NS records with other domains, for example bsddgpx.com.cn, wangzhongyi.com.cn, scpea.com.cn and two others.

The name servers of itlearning.com.cn overlap at least partially with those of other domains β€” among them friv-games.net, sitedevelopmentgroup.com, akhr.pro and two more.

These name servers commonly co-occur with the name servers norah.ns.cloudflare.com, miki.ns.cloudflare.com, anton.ns.cloudflare.com and erin.ns.cloudflare.com.

DNS names with 6 IP addresses:

austin.ns.cloudflare.com carries IP addresses 108.162.193.70, 172.64.33.70 and 173.245.59.70, with 3 other addresses beyond those.

frida.ns.cloudflare.com carries IP addresses 108.162.194.137, 162.159.38.137 and 172.64.34.137, with 3 other addresses beyond those.