knowledge.tech - dns.ninja

knowledge.tech

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:4f04🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:8b3a🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.79.4Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.139.58🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmelnicoff.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cae🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelnicoff.ns.cloudflare.com
A2803:f800:50::6ca2:c3ae🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmelnicoff.ns.cloudflare.com
A2a06:98c1:50::ac40:23ae🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmelnicoff.ns.cloudflare.com
A108.162.195.174🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelnicoff.ns.cloudflare.com
A162.159.44.174Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelnicoff.ns.cloudflare.com
A172.64.35.174🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelnicoff.ns.cloudflare.com
NSnucum.ns.cloudflare.com
A2606:4700:50::a29f:2691🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnucum.ns.cloudflare.com
A2803:f800:50::6ca2:c291🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnucum.ns.cloudflare.com
A2a06:98c1:50::ac40:2291🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnucum.ns.cloudflare.com
A108.162.194.145🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnucum.ns.cloudflare.com
A162.159.38.145Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnucum.ns.cloudflare.com
A172.64.34.145🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnucum.ns.cloudflare.com
MXknowledge-tech.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::2🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-du2pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca04::9🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00601.inbound.protection.outlook.com
A2a01:111:f403:ca04::c🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db9pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca09::7🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
A52.101.68.8🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-du0pr03cu00100.inbound.protection.outlook.com
A52.101.68.15🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db6pr03cu00107.inbound.protection.outlook.com
A52.101.73.1🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am3pr04cu00501.inbound.protection.outlook.com
A52.101.73.8🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am0pr04cu00500.inbound.protection.outlook.com
TXTfacebook-domain-verification=30q3oy78el3w7prnox4kwmtex64goa
TXTgoogle-site-verification=8EH-LSFN9r9YtpjLJkKG6MAOW511dIKmZfUBnl-058o
TXTgoogle-site-verification=_KREP5e4i-vxXzg5NDKaoHaoAen-ihCHJzxhplvDHyk
TXTgoogle-site-verification=rNtQ6hoofZU5hiLvKHhbXRdZW6iQOU7uw4jOF9Dewmg
TXTv=spf1 include:spf.protection.outlook.com -all
TXTv=verifydomain MS=2099895
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.79.4, 172.67.139.58
IPv6 hints2606:4700:3030::6815:4f04, 2606:4700:3034::ac43:8b3a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOAmelnicoff.ns.cloudflare.comdns@cloudflare.com serial=2409791112

tech

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1785161940

Same first word

knowledge.be
knowledge.com
knowledge.org
knowledge.kz
knowledge.ie
knowledge.net
knowledge.com.br
knowledge.tank.jp
knowledge.company
knowledge.pl
knowledge.pk
knowledge.community
knowledge.kitchen
knowledge.li
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knowledge.la
knowledge.org.ua
knowledge.it
knowledge.gr
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knowledge.tech
knowledge.ee
knowledge.enterprises
knowledge.tv
knowledge.edu.pl
knowledge.city
knowledge.org.tw
knowledge.cz
knowledge.bio
knowledge.life
knowledge.no
knowledge.cards
knowledge.cafe
knowledge.services
knowledge.homes
knowledge.store
knowledge.de.com
knowledge.me
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knowledge.su
knowledge.ca
knowledge.ru
knowledge.ch
knowledge.io
knowledge.money
knowledge.co.uk
knowledge.systems
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knowledge.chat
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knowledge.network
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knowledge.builders
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knowledge.info
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knowledge.wine
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knowledge.net.nz
knowledge.or.kr
knowledge.org.uk
knowledge.ne.jp
knowledge.kr
knowledge.no-ip.org
knowledge.agency
knowledge.cn.com
knowledge.co.th

Similar names

knowlegde.com
kwonglede.com
ledgeknow.com
degenkolw.dk
knolwedge.com
egdelwonk.com

DNS History

8 records (7 active, 1 former)

NSmelnicoff.ns.cloudflare.comnucum.ns.cloudflare.comMXknowledge-tech.mail.protection.outlook.comA104.21.79.4172.67.139.582606:4700:3030::6815:4f042606:4700:3034::ac43:8b3a2606:4700:3031::6815:4f04
●NSmelnicoff.ns.cloudflare.com2026-06-06 → 2026-07-27 · 2 obs
● 2026-06-06 13:23:16
● 2026-07-27 14:24:38
●NSnucum.ns.cloudflare.com2026-06-06 → 2026-07-27 · 2 obs
● 2026-06-06 13:23:16
● 2026-07-27 14:24:38
●MXknowledge-tech.mail.protection.outlook.com2026-06-06 → 2026-07-27 · 2 obs
● 2026-06-06 13:23:16
● 2026-07-27 14:24:38
●A104.21.79.42026-06-06 → 2026-07-27 · 2 obs
● 2026-06-06 13:23:16
● 2026-07-27 14:24:38
●A172.67.139.582026-06-06 → 2026-07-27 · 2 obs
● 2026-06-06 13:23:16
● 2026-07-27 14:24:38
●A2606:4700:3030::6815:4f042026-06-26 → 2026-07-27 · 3 obs
○ 2026-06-06 13:23:16
● 2026-06-26 18:33:08
● 2026-07-27 14:24:38
○A2606:4700:3031::6815:4f042026-06-06 → 2026-06-06 · 3 obs
● 2026-06-06 13:23:16
○ 2026-06-26 18:33:08
○ 2026-07-27 14:24:38
●A2606:4700:3034::ac43:8b3a2026-06-06 → 2026-07-27 · 2 obs
● 2026-06-06 13:23:16
● 2026-07-27 14:24:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
techns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info-
knowledge.technucum.ns.cloudflare.com, melnicoff.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.174

NS records: nucum.ns.cloudflare.com, melnicoff.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge.tech (unsigned zone)

⏱️ Timing

Total: 441ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.79.4, 172.67.139.58
AAAA22606:4700:3034::ac43:8b3a, 2606:4700:3030::6815:4f04
NS2melnicoff.ns.cloudflare.com, nucum.ns.cloudflare.com
MX1knowledge-tech.mail.protection.outlook.c
TXT6facebook-domain-verification=30q3oy78el3, google-site-verification=8EH-LSFN9r9Ytpj...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1melnicoff.ns.cloudflare.com dns.cloudfla

Analysis

IP Addresses

knowledge.tech has four IP addresses: 104.21.79.4, 172.67.139.58, 2606:4700:3030::6815:4f04 and 2606:4700:3034::ac43:8b3a.

www.greenflight.ru, www.graceharmony.org, digi-stiri.ro and two other host names share IP numbers with knowledge.tech.

Name Servers

The NS records for knowledge.tech delegate to melnicoff.ns.cloudflare.com and nucum.ns.cloudflare.com.

knowledge.tech uses the same name servers as several other domains — among them agileurgentcare.com, drronen.com, encrypt-flz.click and two more.

knowledge.tech partially shares its NS delegation with several other domains, including fireworksafety.com, combinaconunapolar.com, 903033.com and two others.

These name servers often co-occur with the name servers leanna.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

melnicoff.ns.cloudflare.com maps to 108.162.195.174, 162.159.44.174, 172.64.35.174 and 3 additional IP addresses.

nucum.ns.cloudflare.com maps to 108.162.194.145, 162.159.38.145, 172.64.34.145 and 3 additional IP addresses.

Mail Servers

Mail for knowledge.tech is handled by a single mail server, knowledge-tech.mail.protection.outlook.com.

knowledge-tech.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.8, 52.101.68.15, 52.101.73.1 and 5 others.