`techknow.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:1880^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:daec^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.24.128^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.218.236^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kim.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kim.ns.cloudflare.com`
		A	108.162.192.126^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.126^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.126^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`tim.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b91^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c191^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2191^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tim.ns.cloudflare.com`
		A	108.162.193.145^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tim.ns.cloudflare.com`
		A	172.64.33.145^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tim.ns.cloudflare.com`
		A	173.245.59.145^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tim.ns.cloudflare.com`
MX	`mx1.emailsrvr.com` ⭐
		A	108.166.43.1^{🇺🇸 RACKSPACE-ORD108.166.0.0/18 Rackspace}
			PTR	`mx1.emailsrvr.com`
		A	146.20.161.1^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx1.emailsrvr.com`
		A	173.203.187.1^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx1.emailsrvr.com`
		A	184.106.54.1^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx1.emailsrvr.com`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		A	108.166.43.2^{🇺🇸 RACKSPACE-ORD108.166.0.0/18 Rackspace}
			PTR	`mx2.emailsrvr.com`
		A	146.20.161.2^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx2.emailsrvr.com`
		A	173.203.187.2^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx2.emailsrvr.com`
		A	184.106.54.2^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx2.emailsrvr.com`
TXT	`google-gws-recovery-domain-verification=51536396`
TXT	`v=spf1 include:emailsrvr.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.24.128, 172.67.218.236
		IPv6 hints	2606:4700:3036::6815:1880, 2606:4700:3037::ac43:daec
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=218, name=cloudflare-ech.com
SOA	`kim.ns.cloudflare.com`dns@cloudflare.com serial=2411403984

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759729274

Same first word

techknow.buzz

techknow.nl

techknow.co.nz

techknow.me

techknow.co

techknow.co.uk

techknow.pro

techknow.africa

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

DNS History

24 records (8 active, 16 former)

●NSkim.ns.cloudflare.com2026-06-15 → 2026-08-10 · 3 obs

○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
● 2026-08-10 03:12:14

○NSns-1234.awsdns-26.org2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-08-10 03:12:14

○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
○ 2026-08-10 03:12:14

○NSns-37.awsdns-04.com2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-08-10 03:12:14

○NSns-987.awsdns-59.net2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-08-10 03:12:14

●NStim.ns.cloudflare.com2026-06-15 → 2026-08-10 · 3 obs

○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
● 2026-08-10 03:12:14

○MXalt1.aspmx.l.google.com2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-08-10 03:12:14

○MXalt2.aspmx.l.google.com2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-08-10 03:12:14

○MXaspmx.l.google.com2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-08-10 03:12:14

○MXaspmx2.googlemail.com2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-08-10 03:12:14

○MXaspmx3.googlemail.com2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-08-10 03:12:14

●MXmx1.emailsrvr.com2026-06-15 → 2026-08-10 · 3 obs

○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
● 2026-08-10 03:12:14

●MXmx2.emailsrvr.com2026-06-15 → 2026-08-10 · 3 obs

○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
● 2026-08-10 03:12:14

●A104.21.24.1282026-06-15 → 2026-08-10 · 5 obs

○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
○ 2026-07-03 09:40:20
● 2026-07-20 10:18:16
● 2026-08-10 03:12:14

●A172.67.218.2362026-06-15 → 2026-08-10 · 5 obs

○ 2018-06-28 22:56:28
● 2026-06-15 22:42:08
○ 2026-07-03 09:40:20
● 2026-07-20 10:18:16
● 2026-08-10 03:12:14

○A188.114.96.02026-07-03 → 2026-07-03 · 4 obs

○ 2026-06-26 21:39:44
● 2026-07-03 09:40:20
○ 2026-07-20 10:18:16
○ 2026-08-10 03:12:14

○A188.114.97.02026-07-03 → 2026-07-03 · 4 obs

○ 2026-06-26 21:39:44
● 2026-07-03 09:40:20
○ 2026-07-20 10:18:16
○ 2026-08-10 03:12:14

○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
○ 2026-08-10 03:12:14

○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
○ 2026-08-10 03:12:14

●A2606:4700:3036::6815:18802026-06-26 → 2026-08-10 · 5 obs

○ 2026-06-15 22:42:08
● 2026-06-26 21:39:44
○ 2026-07-03 09:40:20
● 2026-07-20 10:18:16
● 2026-08-10 03:12:14

●A2606:4700:3037::ac43:daec2026-06-26 → 2026-08-10 · 5 obs

○ 2026-06-15 22:42:08
● 2026-06-26 21:39:44
○ 2026-07-03 09:40:20
● 2026-07-20 10:18:16
● 2026-08-10 03:12:14

○A2a06:98c1:3120::2026-07-03 → 2026-07-03 · 4 obs

○ 2026-06-26 21:39:44
● 2026-07-03 09:40:20
○ 2026-07-20 10:18:16
○ 2026-08-10 03:12:14

○A2a06:98c1:3121::2026-07-03 → 2026-07-03 · 4 obs

○ 2026-06-26 21:39:44
● 2026-07-03 09:40:20
○ 2026-07-20 10:18:16
○ 2026-08-10 03:12:14

○A35.185.193.1202018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:56:28
○ 2026-06-15 22:42:08
○ 2026-08-10 03:12:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	d.registrydns.co, a.registrydns.co, b.registrydns.co, c.registrydns.co	-
techknow.co	kim.ns.cloudflare.com, tim.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.126

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techknow.co (unsigned zone)

⏱️ Timing

Total: 2656ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.24.128, 172.67.218.236`
AAAA	2	`2606:4700:3037::ac43:daec, 2606:4700:3036::6815:1880`
NS	2	`kim.ns.cloudflare.com, tim.ns.cloudflare.com`
MX	2	`mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)`
TXT	2	`google-gws-recovery-domain-verification=, v=spf1 include:emailsrvr.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kim.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

techknow.co directs to four IP numbers, which are 104.21.24.128, 172.67.218.236, 2606:4700:3036::6815:1880 and 2606:4700:3037::ac43:daec.

Two other host names, along with istartedsomething.com, www.oupaijuya.cn and lidopi.com, also share IP numbers with techknow.co.

Name Servers

The NS records for techknow.co delegate to kim.ns.cloudflare.com and tim.ns.cloudflare.com.

techknow.co shares its NS records with other domains, for example radioliberty.ro, pcworldmacworld.com, unipark.lv and two others.

The name servers of techknow.co overlap at least partially with those of other domains — among them gonzagahouse.com, gacor15.impiantoto37.com, skoollabels.co.uk and two more.

These name servers commonly co-occur with the name servers casey.ns.cloudflare.com, adrian.ns.cloudflare.com, todd.ns.cloudflare.com and craig.ns.cloudflare.com.

DNS names with 6 IP addresses:

kim.ns.cloudflare.com maps to 108.162.192.126, 172.64.32.126, 173.245.58.126 and 3 additional IP addresses.

tim.ns.cloudflare.com maps to 108.162.193.145, 172.64.33.145, 173.245.59.145 and 3 additional IP addresses.

Mail Servers

techknow.co is served by two mail servers, mx1.emailsrvr.com and mx2.emailsrvr.com.

Among the domains sharing a mail server setup with techknow.co are gordasm.org, speha.org, justdrinks.app and two others.

There is at least a partial MX overlap between techknow.co and other domains, including ask.video, celtechwd.com, ncer.org and two others.

Each of the hosts mx1.emailsrvr.com and mx2.emailsrvr.com has four IP addresses: mx1.emailsrvr.com points to 108.166.43.1, 146.20.161.1, 173.203.187.1 and 184.106.54.1, and mx2.emailsrvr.com points to 108.166.43.2, 146.20.161.2, 173.203.187.2 and 184.106.54.2.

techknow.co - robtex.com

techknow.co

co

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`techknow.co`

`co`