`knowbarriers.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4d69^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:ceb6^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.105^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.182^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alexa.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26d7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alexa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alexa.ns.cloudflare.com`
		A	108.162.194.215^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexa.ns.cloudflare.com`
		A	162.159.38.215^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexa.ns.cloudflare.com`
		A	172.64.34.215^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexa.ns.cloudflare.com`
NS	`pete.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b88^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c188^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pete.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2188^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pete.ns.cloudflare.com`
		A	108.162.193.136^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	172.64.33.136^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	173.245.59.136^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
MX	`ghs.google.com` ⭐
		A	2a00:1450:4009:c04::79^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`um-in-f121.1e100.net`
		A	142.250.117.121^{🇺🇸 Google142.250.117.0/24}
			PTR	`um-in-f121.1e100.net`
TXT	`google-site-verification=_Ccvs4YHaHKuCKNFDTKMi6h3mQXR18PgMQJkbUvxkg8`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.77.105, 172.67.206.182
		IPv6	2606:4700:3030::6815:4d69, 2606:4700:3037::ac43:ceb6
SOA	`alexa.ns.cloudflare.com`dns@cloudflare.com serial=2397988521

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774858937

Same first word

knowbarriers.org

knowbarriers.com

Similar names

brainworkers.de

brainworkers.net

DNS History

12 records (7 active, 5 former)

●NSalexa.ns.cloudflare.com2026-03-27 → 2026-03-30 · 3 obs

○ 2017-06-23 15:22:48
● 2026-03-27 20:13:22
● 2026-03-30 08:53:48

○NSns1.ipower.com2015-06-08 → 2017-06-23 · 4 obs

● 2015-06-08 22:43:12
● 2017-06-23 15:22:48
○ 2026-03-27 20:13:22
○ 2026-03-30 08:53:48

○NSns2.ipower.com2015-06-08 → 2017-06-23 · 4 obs

● 2015-06-08 22:43:12
● 2017-06-23 15:22:48
○ 2026-03-27 20:13:22
○ 2026-03-30 08:53:48

●NSpete.ns.cloudflare.com2026-03-27 → 2026-03-30 · 3 obs

○ 2017-06-23 15:22:48
● 2026-03-27 20:13:22
● 2026-03-30 08:53:48

●MXghs.google.com2026-03-27 → 2026-03-30 · 3 obs

○ 2017-06-23 15:22:48
● 2026-03-27 20:13:22
● 2026-03-30 08:53:48

○MXmx.knowbarriers.org2015-06-08 → 2017-06-23 · 4 obs

● 2015-06-08 22:43:12
● 2017-06-23 15:22:48
○ 2026-03-27 20:13:22
○ 2026-03-30 08:53:48

●A104.21.77.1052026-03-27 → 2026-03-30 · 3 obs

○ 2017-06-23 15:22:48
● 2026-03-27 20:13:22
● 2026-03-30 08:53:48

●A172.67.206.1822026-03-27 → 2026-03-30 · 3 obs

○ 2017-06-23 15:22:48
● 2026-03-27 20:13:22
● 2026-03-30 08:53:48

●A2606:4700:3030::6815:4d692026-03-27 → 2026-03-30 · 3 obs

○ 2017-06-23 15:22:48
● 2026-03-27 20:13:22
● 2026-03-30 08:53:48

●A2606:4700:3037::ac43:ceb62026-03-27 → 2026-03-30 · 3 obs

○ 2017-06-23 15:22:48
● 2026-03-27 20:13:22
● 2026-03-30 08:53:48

○A66.96.132.182015-06-08 → 2015-12-30 · 4 obs

● 2015-06-08 22:43:12
● 2015-12-30 18:49:12
○ 2016-04-05 10:27:50
○ 2026-03-30 08:53:48

○A66.96.149.12016-04-05 → 2017-06-23 · 5 obs

○ 2015-12-30 18:49:12
● 2016-04-05 10:27:50
● 2017-06-23 15:22:48
○ 2026-03-27 20:13:22
○ 2026-03-30 08:53:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
knowbarriers.org	alexa.ns.cloudflare.com, pete.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.136

NS records: alexa.ns.cloudflare.com, pete.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowbarriers.org (unsigned zone)

⏱️ Timing

Total: 570ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.206.182, 104.21.77.105`
AAAA	2	`2606:4700:3037::ac43:ceb6, 2606:4700:3030::6815:4d69`
NS	2	`alexa.ns.cloudflare.com, pete.ns.cloudflare.com`
MX	1	`ghs.google.com (pri: 1200)`
TXT	1	`google-site-verification=_Ccvs4YHaHKuCKN`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alexa.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

knowbarriers.org points to four IP numbers: 2606:4700:3030::6815:4d69, 2606:4700:3037::ac43:ceb6, 104.21.77.105 and 172.67.206.182.

Other host names, for instance tax7.com.au, yenmar.com, lumivio77.forum, pay.secureposhmark.com and virail.gr share IP numbers with knowbarriers.org.

Name Servers

knowbarriers.org is delegated to two name servers: alexa.ns.cloudflare.com and pete.ns.cloudflare.com.

knowbarriers.org shares the same name server setup with other domains, for instance perkel.net, nutriviet.com, xtian.me and moxiranda-76p.digital.

knowbarriers.org shares name servers with other domains at least partially, for instance kotev.info, cuetag.tv, blakekhan.com, clabburn.com and newretropromo.ru.

these name servers are often used together with the name servers yisroel.ns.cloudflare.com.

Host names with six IP numbers: alexa.ns.cloudflare.com points to 2606:4700:50::a29f:26d7, 2803:f800:50::6ca2:c2d7, 2a06:98c1:50::ac40:22d7, 108.162.194.215, 162.159.38.215 and 172.64.34.215; pete.ns.cloudflare.com points to 2606:4700:58::adf5:3b88, 2803:f800:50::6ca2:c188, 2a06:98c1:50::ac40:2188, 108.162.193.136, 172.64.33.136 and 173.245.59.136.

Mail Servers

The mail server for knowbarriers.org is ghs.google.com.

knowbarriers.org shares the same mail server setup as other domains, including kemenagkabkediri.id, apikeckotatoboali.org, melabic.com, abbygracefoundation.org and focusiitjee.com.

knowbarriers.org shares at least some mail servers with other domains, for instance tblake.com.

Host name ghs.google.com resolves to two IPs: 2a00:1450:4009:c04::79 and 142.250.117.121.

knowbarriers.org - robtex.com