techknow.co - dns.ninja

techknow.co

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:1880🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:daec🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.24.128Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.236🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkim.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a7e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
A2803:f800:50::6ca2:c07e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkim.ns.cloudflare.com
A2a06:98c1:50::ac40:207e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkim.ns.cloudflare.com
A108.162.192.126🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
A172.64.32.126🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
A173.245.58.126🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
NStim.ns.cloudflare.com
A2606:4700:58::adf5:3b91🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtim.ns.cloudflare.com
A2803:f800:50::6ca2:c191🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtim.ns.cloudflare.com
A2a06:98c1:50::ac40:2191🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtim.ns.cloudflare.com
A108.162.193.145🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtim.ns.cloudflare.com
A172.64.33.145🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtim.ns.cloudflare.com
A173.245.59.145🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtim.ns.cloudflare.com
MXmx1.emailsrvr.com ⭐
A184.106.54.1🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD
PTRmx1.emailsrvr.com
MXmx2.emailsrvr.com(20)
A184.106.54.2🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD
PTRmx2.emailsrvr.com
TXTgoogle-gws-recovery-domain-verification=51536396
TXTv=spf1 include:emailsrvr.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.24.128, 172.67.218.236
IPv6 hints2606:4700:3036::6815:1880, 2606:4700:3037::ac43:daec
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=217, name=cloudflare-ech.com
SOAkim.ns.cloudflare.comdns@cloudflare.com serial=2406301952

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759691643

Same first word

techknow.buzz
techknow.nl
techknow.co.nz
techknow.me
techknow.co
techknow.pro
techknow.cc
techknow.guru
techknow.org
techknow.fr
techknow.info
techknow.biz
techknow.tv
techknow.co.il
techknow.eu
techknow.dk
techknow.ie
techknow.com.au
techknow.org.uk

Similar names

kwontech.com
knowtech.se
techwonk.com
knowtech.ws
knowtech.org
ktechnow.com
knowtech.com.co
knowtech.com.ar
knowtech.cc
knowtech.es
knowtech.eu
wktechno.com
knowtech.gr
knowtech.dk
knowtech.com
kentchow.com
knowtech.info

DNS History

20 records (8 active, 12 former)

20192020202120222023202420252026NSkim.ns.cloudflare.comtim.ns.cloudflare.comns-1234.awsdns-26.orgns-1899.awsdns-45.co.ukns-37.awsdns-04.comns-987.awsdns-59.netMXmx1.emailsrvr.commx2.emailsrvr.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.21.24.128172.67.218.2362606:4700:3036::6815:18802606:4700:3037::ac43:daec2606:4700:3030::6815:18802606:4700:3032::ac43:daec35.185.193.120
●NSkim.ns.cloudflare.com2026-06-15 → 2026-06-27 · 3 obs
○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
● 2026-06-27 01:24:28
○NSns-1234.awsdns-26.org2018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-06-27 01:24:28
○NSns-1899.awsdns-45.co.uk2018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-06-27 01:24:28
○NSns-37.awsdns-04.com2018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-06-27 01:24:28
○NSns-987.awsdns-59.net2018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-06-27 01:24:28
●NStim.ns.cloudflare.com2026-06-15 → 2026-06-27 · 3 obs
○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
● 2026-06-27 01:24:28
○MXalt1.aspmx.l.google.com2018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-06-27 01:24:28
○MXalt2.aspmx.l.google.com2018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-06-27 01:24:28
○MXaspmx.l.google.com2018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-06-27 01:24:28
○MXaspmx2.googlemail.com2018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-06-27 01:24:28
○MXaspmx3.googlemail.com2018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-06-27 01:24:28
●MXmx1.emailsrvr.com2026-06-15 → 2026-06-27 · 3 obs
○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
● 2026-06-27 01:24:28
●MXmx2.emailsrvr.com2026-06-15 → 2026-06-27 · 3 obs
○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
● 2026-06-27 01:24:28
●A104.21.24.1282026-06-15 → 2026-06-27 · 3 obs
○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
● 2026-06-27 01:24:28
●A172.67.218.2362026-06-15 → 2026-06-27 · 3 obs
○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
● 2026-06-27 01:24:28
○A2606:4700:3030::6815:18802026-06-15 → 2026-06-15 · 4 obs
○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
○ 2026-06-26 21:39:44
○ 2026-06-27 01:24:28
○A2606:4700:3032::ac43:daec2026-06-15 → 2026-06-15 · 4 obs
○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
○ 2026-06-26 21:39:44
○ 2026-06-27 01:24:28
●A2606:4700:3036::6815:18802026-06-26 → 2026-06-27 · 3 obs
○ 2026-06-15 22:42:08
● 2026-06-26 21:39:44
● 2026-06-27 01:24:28
●A2606:4700:3037::ac43:daec2026-06-26 → 2026-06-27 · 3 obs
○ 2026-06-15 22:42:08
● 2026-06-26 21:39:44
● 2026-06-27 01:24:28
○A35.185.193.1202018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-06-27 01:24:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co-
techknow.cotim.ns.cloudflare.com, kim.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.145

NS records: tim.ns.cloudflare.com, kim.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techknow.co (unsigned zone)

⏱️ Timing

Total: 405ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.24.128, 172.67.218.236
AAAA22606:4700:3036::6815:1880, 2606:4700:3037::ac43:daec
NS2kim.ns.cloudflare.com, tim.ns.cloudflare.com
MX2mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)
TXT2google-gws-recovery-domain-verification=, v=spf1 include:emailsrvr.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kim.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

techknow.co has four IP addresses: 104.21.24.128, 172.67.218.236, 2606:4700:3036::6815:1880 and 2606:4700:3037::ac43:daec.

Among the host names that share IP numbers with techknow.co are istartedsomething.com, www.oupaijuya.cn, josephcarterrealty.com and two others.

Name Servers

techknow.co is delegated to two name servers: kim.ns.cloudflare.com and tim.ns.cloudflare.com.

techknow.co has the same name server delegation as a number of other domains, such as radioliberty.ro, pcworldmacworld.com, unipark.lv and two more.

techknow.co has at least partial name server overlap with other domains, such as gonzagahouse.com, gacor15.impiantoto37.com, skoollabels.co.uk and two others.

These name servers tend to appear together with the name servers casey.ns.cloudflare.com, adrian.ns.cloudflare.com and todd.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

kim.ns.cloudflare.com resolves to 108.162.192.126, 172.64.32.126, 173.245.58.126 and 3 other IP addresses.

tim.ns.cloudflare.com resolves to 108.162.193.145, 172.64.33.145, 173.245.59.145 and 3 other IP addresses.

Mail Servers

The MX records for techknow.co point to two mail servers: mx1.emailsrvr.com and mx2.emailsrvr.com.

techknow.co has the same mail server arrangement as a number of other domains, for example gordasm.org, speha.org, justdrinks.app and two more.

techknow.co shares at least some of its mail servers with other domains — for example ask.video, celtechwd.com, ncer.org and two more.

mx1.emailsrvr.com directs to 184.106.54.1 and mx2.emailsrvr.com directs to 184.106.54.2; each host name points to exactly one IP number.