knowledge-network.jp - dns.ninja

knowledge-network.jp

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:328e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:cece🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.50.142Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.206.206🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSanderson.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cb1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanderson.ns.cloudflare.com
A2803:f800:50::6ca2:c3b1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRanderson.ns.cloudflare.com
A2a06:98c1:50::ac40:23b1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRanderson.ns.cloudflare.com
A108.162.195.177🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanderson.ns.cloudflare.com
A162.159.44.177Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanderson.ns.cloudflare.com
A172.64.35.177🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanderson.ns.cloudflare.com
NSsima.ns.cloudflare.com
A2606:4700:50::adf5:3ade🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsima.ns.cloudflare.com
A2803:f800:50::6ca2:c0de🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsima.ns.cloudflare.com
A2a06:98c1:50::ac40:20de🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsima.ns.cloudflare.com
A108.162.192.222🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsima.ns.cloudflare.com
A172.64.32.222🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsima.ns.cloudflare.com
A173.245.58.222🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsima.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.50.142, 172.67.206.206
IPv6 hints2606:4700:3033::6815:328e, 2606:4700:3037::ac43:cece
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=51, name=cloudflare-ech.com
SOAanderson.ns.cloudflare.comdns@cloudflare.com serial=2410259216

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1785485702

Same first word

knowledge-network.jp
knowledge-network.de

DNS History

18 records (6 active, 12 former)

20162017201820192020202120222023202420252026NSanderson.ns.cloudflare.comsima.ns.cloudflare.com01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpA104.21.50.142172.67.206.2062606:4700:3033::6815:328e2606:4700:3037::ac43:cece188.114.96.0188.114.97.02606:4700:130:436c:6f75:6466:6c61:72652606:4700:3031::ac43:cece2606:4700:3037::6815:328e2a06:98c1:3120::2a06:98c1:3121::49.212.235.75
○NS01.dnsv.jp2015-06-28 → 2017-05-20 · 4 obs
● 2015-06-28 04:31:04
● 2017-05-20 00:29:38
○ 2026-02-17 15:19:30
○ 2026-07-31 08:47:18
○NS02.dnsv.jp2015-06-28 → 2017-05-20 · 4 obs
● 2015-06-28 04:31:04
● 2017-05-20 00:29:38
○ 2026-02-17 15:19:30
○ 2026-07-31 08:47:18
○NS03.dnsv.jp2015-06-28 → 2017-05-20 · 4 obs
● 2015-06-28 04:31:04
● 2017-05-20 00:29:38
○ 2026-02-17 15:19:30
○ 2026-07-31 08:47:18
○NS04.dnsv.jp2015-06-28 → 2017-05-20 · 4 obs
● 2015-06-28 04:31:04
● 2017-05-20 00:29:38
○ 2026-02-17 15:19:30
○ 2026-07-31 08:47:18
●NSanderson.ns.cloudflare.com2026-02-17 → 2026-07-31 · 3 obs
○ 2017-05-20 00:29:38
● 2026-02-17 15:19:30
● 2026-07-31 08:47:18
●NSsima.ns.cloudflare.com2026-02-17 → 2026-07-31 · 3 obs
○ 2017-05-20 00:29:38
● 2026-02-17 15:19:30
● 2026-07-31 08:47:18
●A104.21.50.1422026-02-17 → 2026-07-31 · 7 obs
○ 2017-05-20 00:29:38
● 2026-02-17 15:19:30
● 2026-03-16 04:20:58
○ 2026-03-20 10:20:36
● 2026-03-23 02:09:08
○ 2026-07-27 21:42:10
● 2026-07-31 08:47:18
●A172.67.206.2062026-02-17 → 2026-07-31 · 7 obs
○ 2017-05-20 00:29:38
● 2026-02-17 15:19:30
● 2026-03-16 04:20:58
○ 2026-03-20 10:20:36
● 2026-03-23 02:09:08
○ 2026-07-27 21:42:10
● 2026-07-31 08:47:18
○A188.114.96.02026-03-20 → 2026-07-27 · 5 obs
○ 2026-03-16 04:20:58
● 2026-03-20 10:20:36
○ 2026-03-23 02:09:08
● 2026-07-27 21:42:10
○ 2026-07-31 08:47:18
○A188.114.97.02026-03-20 → 2026-07-27 · 5 obs
○ 2026-03-16 04:20:58
● 2026-03-20 10:20:36
○ 2026-03-23 02:09:08
● 2026-07-27 21:42:10
○ 2026-07-31 08:47:18
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-17 → 2026-02-17 · 4 obs
○ 2017-05-20 00:29:38
● 2026-02-17 15:19:30
○ 2026-02-27 21:35:26
○ 2026-07-31 08:47:18
○A2606:4700:3031::ac43:cece2026-02-27 → 2026-05-11 · 5 obs
○ 2026-02-17 15:19:30
● 2026-02-27 21:35:26
● 2026-05-11 18:44:22
○ 2026-07-09 10:08:42
○ 2026-07-31 08:47:18
●A2606:4700:3033::6815:328e2026-07-09 → 2026-07-31 · 4 obs
○ 2026-05-11 18:44:22
● 2026-07-09 10:08:42
○ 2026-07-27 21:42:10
● 2026-07-31 08:47:18
○A2606:4700:3037::6815:328e2026-02-27 → 2026-05-11 · 5 obs
○ 2026-02-17 15:19:30
● 2026-02-27 21:35:26
● 2026-05-11 18:44:22
○ 2026-07-09 10:08:42
○ 2026-07-31 08:47:18
●A2606:4700:3037::ac43:cece2026-07-09 → 2026-07-31 · 4 obs
○ 2026-05-11 18:44:22
● 2026-07-09 10:08:42
○ 2026-07-27 21:42:10
● 2026-07-31 08:47:18
○A2a06:98c1:3120::2026-07-27 → 2026-07-27 · 3 obs
○ 2026-07-09 10:08:42
● 2026-07-27 21:42:10
○ 2026-07-31 08:47:18
○A2a06:98c1:3121::2026-07-27 → 2026-07-27 · 3 obs
○ 2026-07-09 10:08:42
● 2026-07-27 21:42:10
○ 2026-07-31 08:47:18
○A49.212.235.752015-06-28 → 2017-05-20 · 4 obs
● 2015-06-28 04:31:04
● 2017-05-20 00:29:38
○ 2026-02-17 15:19:30
○ 2026-07-31 08:47:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jph.dns.jp, c.dns.jp, a.dns.jp, d.dns.jp...-
knowledge-network.jpanderson.ns.cloudflare.com, sima.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.222

NS records: anderson.ns.cloudflare.com, sima.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge-network.jp (unsigned zone)

⏱️ Timing

Total: 509ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.50.142, 172.67.206.206
AAAA22606:4700:3037::ac43:cece, 2606:4700:3033::6815:328e
NS2anderson.ns.cloudflare.com, sima.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1anderson.ns.cloudflare.com dns.cloudflar

Analysis

IP Addresses

knowledge-network.jp resolves to four IP addresses: 104.21.50.142, 172.67.206.206, 2606:4700:3033::6815:328e and 2606:4700:3037::ac43:cece.

haomeit.com, chanteusemarie.com, geraldhocker.com plus two other host names have IP numbers in common with knowledge-network.jp.

Name Servers

The NS records for knowledge-network.jp delegate to anderson.ns.cloudflare.com and sima.ns.cloudflare.com.

The name server configuration of knowledge-network.jp is shared with other domains, for instance egnazia.eu, gsi.org, johnangusstewart.com and two others.

knowledge-network.jp partially shares its NS delegation with several other domains, including themacweekly.com, visiondigitalhub.co.uk, audiobudget.com and two others.

The name servers ariadne.ns.cloudflare.com, owen.ns.cloudflare.com, sterling.ns.cloudflare.com and gina.ns.cloudflare.com are often found in use alongside these name servers.

Hosts with 6 IP addresses each:

anderson.ns.cloudflare.com maps to 108.162.195.177, 162.159.44.177, 172.64.35.177 and 3 additional IP addresses.

sima.ns.cloudflare.com maps to 108.162.192.222, 172.64.32.222, 173.245.58.222 and 3 additional IP addresses.