knowflow.study - dns.ninja

knowflow.study

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:2de🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:81bf🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.2.222Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.129.191🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlorna.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3abe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlorna.ns.cloudflare.com
A2803:f800:50::6ca2:c0be🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlorna.ns.cloudflare.com
A2a06:98c1:50::ac40:20be🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlorna.ns.cloudflare.com
A108.162.192.190🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlorna.ns.cloudflare.com
A172.64.32.190🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlorna.ns.cloudflare.com
A173.245.58.190🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlorna.ns.cloudflare.com
NSreese.ns.cloudflare.com
A2606:4700:58::a29f:2c75🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
A2803:f800:50::6ca2:c375🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRreese.ns.cloudflare.com
A2a06:98c1:50::ac40:2375🇺🇸 Cloudflare2a06:98c1:50::/45
PTRreese.ns.cloudflare.com
A108.162.195.117🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
A162.159.44.117Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
A172.64.35.117🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.2.222, 172.67.129.191
IPv6 hints2606:4700:3030::6815:2de, 2606:4700:3033::ac43:81bf
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=109, name=cloudflare-ech.com
SOAlorna.ns.cloudflare.comdns@cloudflare.com serial=2405930802

study

DNSSEC🔒 Signed (DS record present)
NSa.nic.study ⭐
NSb.nic.study
NSc.nic.study
NSx.nic.study
NSy.nic.study
NSz.nic.study
SOAa.nic.studyadmin@tldns.godaddy serial=1783784204

Same first word

knowflow.io
knowflow.study

DNS History

12 records (6 active, 6 former)

NSlorna.ns.cloudflare.comreese.ns.cloudflare.comA104.21.2.222172.67.129.1912606:4700:3030::6815:2de2606:4700:3033::ac43:81bf188.114.96.0188.114.97.02606:4700:3033::6815:2de2606:4700:3037::ac43:81bf2a06:98c1:3120::2a06:98c1:3121::
●NSlorna.ns.cloudflare.com2026-05-07 → 2026-07-11 · 2 obs
● 2026-05-07 04:15:28
● 2026-07-11 16:44:30
●NSreese.ns.cloudflare.com2026-05-07 → 2026-07-11 · 2 obs
● 2026-05-07 04:15:28
● 2026-07-11 16:44:30
●A104.21.2.2222026-05-07 → 2026-07-11 · 7 obs
● 2026-05-07 04:15:28
● 2026-05-20 04:14:54
○ 2026-06-12 07:48:44
● 2026-06-14 16:44:26
○ 2026-06-18 21:35:32
● 2026-06-20 11:11:02
● 2026-07-11 16:44:30
●A172.67.129.1912026-05-07 → 2026-07-11 · 7 obs
● 2026-05-07 04:15:28
● 2026-05-20 04:14:54
○ 2026-06-12 07:48:44
● 2026-06-14 16:44:26
○ 2026-06-18 21:35:32
● 2026-06-20 11:11:02
● 2026-07-11 16:44:30
○A188.114.96.02026-06-12 → 2026-06-18 · 6 obs
○ 2026-05-20 04:14:54
● 2026-06-12 07:48:44
○ 2026-06-14 16:44:26
● 2026-06-18 21:35:32
○ 2026-06-20 11:11:02
○ 2026-07-11 16:44:30
○A188.114.97.02026-06-12 → 2026-06-18 · 6 obs
○ 2026-05-20 04:14:54
● 2026-06-12 07:48:44
○ 2026-06-14 16:44:26
● 2026-06-18 21:35:32
○ 2026-06-20 11:11:02
○ 2026-07-11 16:44:30
●A2606:4700:3030::6815:2de2026-07-11 → 2026-07-11 · 2 obs
○ 2026-06-20 11:11:02
● 2026-07-11 16:44:30
○A2606:4700:3033::6815:2de2026-05-07 → 2026-06-20 · 7 obs
● 2026-05-07 04:15:28
● 2026-05-20 04:14:54
○ 2026-06-12 07:48:44
● 2026-06-14 16:44:26
○ 2026-06-18 21:35:32
● 2026-06-20 11:11:02
○ 2026-07-11 16:44:30
●A2606:4700:3033::ac43:81bf2026-07-11 → 2026-07-11 · 2 obs
○ 2026-06-20 11:11:02
● 2026-07-11 16:44:30
○A2606:4700:3037::ac43:81bf2026-05-07 → 2026-06-20 · 7 obs
● 2026-05-07 04:15:28
● 2026-05-20 04:14:54
○ 2026-06-12 07:48:44
● 2026-06-14 16:44:26
○ 2026-06-18 21:35:32
● 2026-06-20 11:11:02
○ 2026-07-11 16:44:30
○A2a06:98c1:3120::2026-06-12 → 2026-06-18 · 6 obs
○ 2026-05-20 04:14:54
● 2026-06-12 07:48:44
○ 2026-06-14 16:44:26
● 2026-06-18 21:35:32
○ 2026-06-20 11:11:02
○ 2026-07-11 16:44:30
○A2a06:98c1:3121::2026-06-12 → 2026-06-18 · 6 obs
○ 2026-05-20 04:14:54
● 2026-06-12 07:48:44
○ 2026-06-14 16:44:26
● 2026-06-18 21:35:32
○ 2026-06-20 11:11:02
○ 2026-07-11 16:44:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
studya.nic.study, b.nic.study, c.nic.study, x.nic.study...12 records
knowflow.studylorna.ns.cloudflare.com, reese.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.190

NS records: lorna.ns.cloudflare.com, reese.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowflow.study (unsigned zone)

⏱️ Timing

Total: 470ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.129.191, 104.21.2.222
AAAA22606:4700:3030::6815:2de, 2606:4700:3033::ac43:81bf
NS2lorna.ns.cloudflare.com, reese.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1lorna.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)

Analysis

IP Addresses

knowflow.study directs to four IP numbers, which are 104.21.2.222, 172.67.129.191, 2606:4700:3030::6815:2de and 2606:4700:3033::ac43:81bf.

Two other host names, along with www.gyglz.net, rollinghillsconstruction.com and jeninuqalumcapital.digital, also share IP numbers with knowflow.study.

Name Servers

Two name servers handle the delegation for knowflow.study: lorna.ns.cloudflare.com and reese.ns.cloudflare.com.

knowflow.study shares its NS records with other domains, for example edutrack.courses, joynectar.asia, leclairon.qc.ca and two others.

There is at least partial name server overlap between knowflow.study and other domains — bamk.workers.dev, sisp.eu, templerecords.co.uk and two more among them.

These name servers are routinely deployed together with the name servers violet.ns.cloudflare.com.

DNS names with 6 IP addresses:

lorna.ns.cloudflare.com resolves to 108.162.192.190, 172.64.32.190 and 173.245.58.190 among others, with 3 other IP addresses in total.

reese.ns.cloudflare.com resolves to 108.162.195.117, 162.159.44.117 and 172.64.35.117 among others, with 3 other IP addresses in total.