techknowledge.io - dns.ninja

techknowledge.io

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:645🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:8694🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.6.69Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.148🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSadaline.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2631🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadaline.ns.cloudflare.com
A2803:f800:50::6ca2:c231🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRadaline.ns.cloudflare.com
A2a06:98c1:50::ac40:2231🇺🇸 Cloudflare2a06:98c1:50::/45
PTRadaline.ns.cloudflare.com
A108.162.194.49🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadaline.ns.cloudflare.com
A162.159.38.49Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadaline.ns.cloudflare.com
A172.64.34.49🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadaline.ns.cloudflare.com
NStadeo.ns.cloudflare.com
A2606:4700:58::a29f:2cc5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtadeo.ns.cloudflare.com
A2803:f800:50::6ca2:c3c5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtadeo.ns.cloudflare.com
A2a06:98c1:50::ac40:23c5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtadeo.ns.cloudflare.com
A108.162.195.197🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtadeo.ns.cloudflare.com
A162.159.44.197Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtadeo.ns.cloudflare.com
A172.64.35.197🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtadeo.ns.cloudflare.com
MXsmtp.secureserver.net ⭐
A216.69.141.71🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp01-v01.prod.phx3.secureserver.net
A216.69.141.84🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp02-v01.prod.phx3.secureserver.net
A216.69.141.113🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp03-v01.prod.phx3.secureserver.net
MXmailstore1.secureserver.net(10)
A216.69.141.78🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp01-v02.prod.phx3.secureserver.net
A216.69.141.114🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp03-v02.prod.phx3.secureserver.net
A216.69.141.162🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp02-v02.prod.phx3.secureserver.net
TXTv=spf1 include:secureserver.net -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.6.69, 172.67.134.148
IPv6 hints2606:4700:3032::6815:645, 2606:4700:3032::ac43:8694
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=103, name=cloudflare-ech.com
SOAadaline.ns.cloudflare.comdns@cloudflare.com serial=2407344282

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1781972456

Subdomains

www.techknowledge.io

Same first word

techknowledge.center
techknowledge.ae
techknowledge.io
techknowledge.com.br
techknowledge.co.jp
techknowledge.net
techknowledge.education
techknowledge.vn
techknowledge.online
techknowledge.ws
techknowledge.co.uk
techknowledge.ca
techknowledge.news
techknowledge.dk

Similar names

knowledgetech.com
knowledgetech.org

DNS History

15 records (8 active, 7 former)

2020202120222023202420252026NSadaline.ns.cloudflare.comtadeo.ns.cloudflare.comns77.domaincontrol.comns78.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA104.21.6.69172.67.134.1482606:4700:3032::6815:6452606:4700:3032::ac43:8694184.168.221.34188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSadaline.ns.cloudflare.com2026-03-06 → 2026-06-20 · 3 obs
○ 2019-12-20 17:25:06
● 2026-03-06 04:37:12
● 2026-06-20 17:23:32
○NSns77.domaincontrol.com2019-12-20 → 2019-12-20 · 3 obs
● 2019-12-20 17:25:06
○ 2026-03-06 04:37:12
○ 2026-06-20 17:23:32
○NSns78.domaincontrol.com2019-12-20 → 2019-12-20 · 3 obs
● 2019-12-20 17:25:06
○ 2026-03-06 04:37:12
○ 2026-06-20 17:23:32
●NStadeo.ns.cloudflare.com2026-03-06 → 2026-06-20 · 3 obs
○ 2019-12-20 17:25:06
● 2026-03-06 04:37:12
● 2026-06-20 17:23:32
●MXmailstore1.secureserver.net2019-12-20 → 2026-06-20 · 2 obs
● 2019-12-20 17:25:06
● 2026-06-20 17:23:32
●MXsmtp.secureserver.net2019-12-20 → 2026-06-20 · 2 obs
● 2019-12-20 17:25:06
● 2026-06-20 17:23:32
●A104.21.6.692026-03-06 → 2026-06-20 · 7 obs
○ 2019-12-20 17:25:06
● 2026-03-06 04:37:12
○ 2026-03-10 10:20:40
● 2026-03-27 08:36:38
○ 2026-04-07 18:14:22
● 2026-04-22 00:25:14
● 2026-06-20 17:23:32
●A172.67.134.1482026-03-06 → 2026-06-20 · 7 obs
○ 2019-12-20 17:25:06
● 2026-03-06 04:37:12
○ 2026-03-10 10:20:40
● 2026-03-27 08:36:38
○ 2026-04-07 18:14:22
● 2026-04-22 00:25:14
● 2026-06-20 17:23:32
○A184.168.221.342019-12-20 → 2019-12-20 · 3 obs
● 2019-12-20 17:25:06
○ 2026-03-06 04:37:12
○ 2026-06-20 17:23:32
○A188.114.96.02026-03-10 → 2026-04-07 · 6 obs
○ 2026-03-06 04:37:12
● 2026-03-10 10:20:40
○ 2026-03-27 08:36:38
● 2026-04-07 18:14:22
○ 2026-04-22 00:25:14
○ 2026-06-20 17:23:32
○A188.114.97.02026-03-10 → 2026-04-07 · 6 obs
○ 2026-03-06 04:37:12
● 2026-03-10 10:20:40
○ 2026-03-27 08:36:38
● 2026-04-07 18:14:22
○ 2026-04-22 00:25:14
○ 2026-06-20 17:23:32
●A2606:4700:3032::6815:6452026-03-06 → 2026-06-20 · 7 obs
○ 2019-12-20 17:25:06
● 2026-03-06 04:37:12
○ 2026-03-10 10:20:40
● 2026-03-27 08:36:38
○ 2026-04-07 18:14:22
● 2026-04-22 00:25:14
● 2026-06-20 17:23:32
●A2606:4700:3032::ac43:86942026-03-06 → 2026-06-20 · 7 obs
○ 2019-12-20 17:25:06
● 2026-03-06 04:37:12
○ 2026-03-10 10:20:40
● 2026-03-27 08:36:38
○ 2026-04-07 18:14:22
● 2026-04-22 00:25:14
● 2026-06-20 17:23:32
○A2a06:98c1:3120::2026-03-10 → 2026-04-07 · 6 obs
○ 2026-03-06 04:37:12
● 2026-03-10 10:20:40
○ 2026-03-27 08:36:38
● 2026-04-07 18:14:22
○ 2026-04-22 00:25:14
○ 2026-06-20 17:23:32
○A2a06:98c1:3121::2026-03-10 → 2026-04-07 · 6 obs
○ 2026-03-06 04:37:12
● 2026-03-10 10:20:40
○ 2026-03-27 08:36:38
● 2026-04-07 18:14:22
○ 2026-04-22 00:25:14
○ 2026-06-20 17:23:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioc0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io-
techknowledge.iotadeo.ns.cloudflare.com, adaline.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.197

NS records: tadeo.ns.cloudflare.com, adaline.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techknowledge.io (unsigned zone)

⏱️ Timing

Total: 661ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.134.148, 104.21.6.69
AAAA22606:4700:3032::6815:645, 2606:4700:3032::ac43:8694
NS2adaline.ns.cloudflare.com, tadeo.ns.cloudflare.com
MX2smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)
TXT1v=spf1 include:secureserver.net -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1adaline.ns.cloudflare.com dns.cloudflare

Analysis

Hierarchy

www.techknowledge.io is delegated beneath techknowledge.io.

IP Addresses

techknowledge.io points to the four IP addresses 104.21.6.69, 172.67.134.148, 2606:4700:3032::6815:645 and 2606:4700:3032::ac43:8694.

Two other host names, along with jhzhian.com, 6h8.top and filter.oralhoes.com, also share IP numbers with techknowledge.io.

Name Servers

DNS delegation for techknowledge.io points to two name servers: adaline.ns.cloudflare.com and tadeo.ns.cloudflare.com.

techknowledge.io shares its NS records with other domains, for example artaconducerii.md, swap17xexaleo.com, videosaqui.es and two others.

There is at least partial name server overlap between techknowledge.io and other domains — tjwkrp.digital, veltoratrade.com, globaldream.com.co and two more among them.

These name servers tend to appear in combination with the name servers shaz.ns.cloudflare.com, greg.ns.cloudflare.com, logan.ns.cloudflare.com and clyde.ns.cloudflare.com.

DNS names with 6 IP addresses:

adaline.ns.cloudflare.com has IP addresses 108.162.194.49, 162.159.38.49 and 172.64.34.49, plus 3 other.

tadeo.ns.cloudflare.com has IP addresses 108.162.195.197, 162.159.44.197 and 172.64.35.197, plus 3 other.

Mail Servers

techknowledge.io is served by two mail servers, mailstore1.secureserver.net and smtp.secureserver.net.

Among the domains sharing a mail server setup with techknowledge.io are idfamilylawgroup.com, auto-labermeier.de, carltonhomeservices.net and two others.

techknowledge.io has mail servers in common with other domains — for example brandywinesecurities.com, manrex-europe.com and novakorp.com.

mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162. smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113. Both hosts resolve to three IP numbers.