commonknowledge.info - dns.ninja

commonknowledge.info

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:8010🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:8c🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.0.140Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.128.16🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrianna.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3af5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrianna.ns.cloudflare.com
A2803:f800:50::6ca2:c0f5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrianna.ns.cloudflare.com
A2a06:98c1:50::ac40:20f5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrianna.ns.cloudflare.com
A108.162.192.245🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrianna.ns.cloudflare.com
A172.64.32.245🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrianna.ns.cloudflare.com
A173.245.58.245🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrianna.ns.cloudflare.com
NSdamien.ns.cloudflare.com
A2606:4700:58::a29f:2ca8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamien.ns.cloudflare.com
A2803:f800:50::6ca2:c3a8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdamien.ns.cloudflare.com
A2a06:98c1:50::ac40:23a8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdamien.ns.cloudflare.com
A108.162.195.168🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamien.ns.cloudflare.com
A162.159.44.168Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamien.ns.cloudflare.com
A172.64.35.168🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamien.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.0.140, 172.67.128.16
IPv6 hints2606:4700:3034::ac43:8010, 2606:4700:3036::6815:8c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=22, name=cloudflare-ech.com
SOAbrianna.ns.cloudflare.comdns@cloudflare.com serial=2406629306

info

DNSSEC🔒 Signed (DS record present)
NSa0.info.afilias-nst.info ⭐
NSa2.info.afilias-nst.info
NSb0.info.afilias-nst.org ⚠️ Not in parent delegation
NSb2.info.afilias-nst.org ⚠️ Not in parent delegation
NSc0.info.afilias-nst.info
NSd0.info.afilias-nst.org ⚠️ Not in parent delegation
SOAa0.info.afilias-nst.infohostmaster@donuts.email serial=1781211706

Same first word

commonknowledge.coop
commonknowledge.com
commonknowledge.info
commonknowledge.org.uk
commonknowledge.org
commonknowledge.blog

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSbrianna.ns.cloudflare.comdamien.ns.cloudflare.comdns1.stabletransit.comdns2.stabletransit.comns.rackspace.comns1.bluehost.comns2.bluehost.comMXmail.commonknowledge.infoA104.21.0.140172.67.128.162606:4700:3034::ac43:80102606:4700:3036::6815:8c166.78.63.226216.172.168.95
●NSbrianna.ns.cloudflare.com2026-04-07 → 2026-06-11 · 3 obs
○ 2026-03-27 05:36:56
● 2026-04-07 14:15:08
● 2026-06-11 21:19:58
●NSdamien.ns.cloudflare.com2026-04-07 → 2026-06-11 · 3 obs
○ 2026-03-27 05:36:56
● 2026-04-07 14:15:08
● 2026-06-11 21:19:58
○NSdns1.stabletransit.com2015-07-26 → 2017-03-14 · 4 obs
● 2015-07-26 06:25:52
● 2017-03-14 21:51:20
○ 2020-02-02 21:08:14
○ 2026-06-11 21:19:58
○NSdns2.stabletransit.com2015-07-26 → 2017-03-14 · 4 obs
● 2015-07-26 06:25:52
● 2017-03-14 21:51:20
○ 2020-02-02 21:08:14
○ 2026-06-11 21:19:58
○NSns.rackspace.com2015-07-26 → 2017-03-14 · 4 obs
● 2015-07-26 06:25:52
● 2017-03-14 21:51:20
○ 2020-02-02 21:08:14
○ 2026-06-11 21:19:58
○NSns1.bluehost.com2020-02-02 → 2020-09-26 · 5 obs
○ 2017-03-14 21:51:20
● 2020-02-02 21:08:14
● 2020-09-26 07:54:24
○ 2026-03-27 05:36:56
○ 2026-06-11 21:19:58
○NSns2.bluehost.com2020-02-02 → 2020-09-26 · 5 obs
○ 2017-03-14 21:51:20
● 2020-02-02 21:08:14
● 2020-09-26 07:54:24
○ 2026-03-27 05:36:56
○ 2026-06-11 21:19:58
○MXmail.commonknowledge.info2020-02-02 → 2020-09-26 · 4 obs
● 2020-02-02 21:08:14
● 2020-09-26 07:54:24
○ 2026-03-27 05:36:56
○ 2026-06-11 21:19:58
●A104.21.0.1402026-04-07 → 2026-06-11 · 3 obs
○ 2026-03-27 05:36:56
● 2026-04-07 14:15:08
● 2026-06-11 21:19:58
○A166.78.63.2262015-07-26 → 2017-03-14 · 4 obs
● 2015-07-26 06:25:52
● 2017-03-14 21:51:20
○ 2020-02-02 21:08:14
○ 2026-06-11 21:19:58
●A172.67.128.162026-04-07 → 2026-06-11 · 3 obs
○ 2026-03-27 05:36:56
● 2026-04-07 14:15:08
● 2026-06-11 21:19:58
○A216.172.168.952020-02-02 → 2020-09-26 · 5 obs
○ 2017-03-14 21:51:20
● 2020-02-02 21:08:14
● 2020-09-26 07:54:24
○ 2026-03-27 05:36:56
○ 2026-06-11 21:19:58
●A2606:4700:3034::ac43:80102026-04-07 → 2026-06-11 · 3 obs
○ 2026-03-27 05:36:56
● 2026-04-07 14:15:08
● 2026-06-11 21:19:58
●A2606:4700:3036::6815:8c2026-04-07 → 2026-06-11 · 3 obs
○ 2026-03-27 05:36:56
● 2026-04-07 14:15:08
● 2026-06-11 21:19:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
infoa0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info-
commonknowledge.infodamien.ns.cloudflare.com, brianna.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.168

NS records: damien.ns.cloudflare.com, brianna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for commonknowledge.info (unsigned zone)

⏱️ Timing

Total: 963ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.128.16, 104.21.0.140
AAAA22606:4700:3034::ac43:8010, 2606:4700:3036::6815:8c
NS2brianna.ns.cloudflare.com, damien.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brianna.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

commonknowledge.info points to four IP numbers: 104.21.0.140, 172.67.128.16, 2606:4700:3034::ac43:8010 and 2606:4700:3036::6815:8c.

tecourse.live, www.enprimerplano.org, ujian.smpkartikaiv10sby.sch.id plus two other host names have IP numbers in common with commonknowledge.info.

Name Servers

Two name servers handle the delegation for commonknowledge.info: brianna.ns.cloudflare.com and damien.ns.cloudflare.com.

The name server configuration of commonknowledge.info is shared with other domains, for instance storyaday.org, blockchainsystems.vip, repilab.com and two others.

The name servers of commonknowledge.info overlap at least partially with those of other domains — among them bathurstholidaypark.com.au, youthempowering.org, gradient2.ru and two more.

These name servers commonly appear alongside the name servers adi.ns.cloudflare.com and clayton.ns.cloudflare.com.

Hosts with 6 IP addresses each:

brianna.ns.cloudflare.com resolves to 108.162.192.245, 172.64.32.245 and 173.245.58.245 among others, with 3 other IP addresses in total.

damien.ns.cloudflare.com resolves to 108.162.195.168, 162.159.44.168 and 172.64.35.168 among others, with 3 other IP addresses in total.