knowledge.com.br - dns.ninja

`knowledge.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:4dab^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:d299^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.171^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.153^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`deborah.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:266f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`deborah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`deborah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`deborah.ns.cloudflare.com`
		A	108.162.194.111^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`deborah.ns.cloudflare.com`
		A	162.159.38.111^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`deborah.ns.cloudflare.com`
		A	172.64.34.111^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`deborah.ns.cloudflare.com`
NS	`nolan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c38^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nolan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c338^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nolan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2338^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nolan.ns.cloudflare.com`
		A	108.162.195.56^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nolan.ns.cloudflare.com`
		A	162.159.44.56^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nolan.ns.cloudflare.com`
		A	172.64.35.56^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nolan.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	204.141.33.44^{🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽²⁰⁾
		A	204.141.33.44^{🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽⁵⁰⁾
		A	204.141.33.44^{🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`MS=ms70425472`
TXT	`v=spf1 include:zohomail.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.77.171, 172.67.210.153
		IPv6 hints	2606:4700:3036::6815:4dab, 2606:4700:3036::ac43:d299
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=11, name=cloudflare-ech.com
SOA	`deborah.ns.cloudflare.com`dns@cloudflare.com serial=2408985107

`com.br`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.br` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.br` ⚠️ Not in parent delegation
	NS	`c.dns.br` ⚠️ Not in parent delegation
	NS	`d.dns.br` ⚠️ Not in parent delegation
	NS	`e.dns.br` ⚠️ Not in parent delegation
	NS	`f.dns.br` ⚠️ Not in parent delegation
	SOA	`a.dns.br`hostmaster@registro.br serial=2026192358

rank #541531 globally
rank #4021 in the tld
WOT: SAFE (69/100)

Same first word

knowledge.company

knowledge.pl

knowledge.pk

knowledge.community

knowledge.kitchen

knowledge.li

knowledge.at

knowledge.la

knowledge.org.ua

knowledge.it

knowledge.gr

knowledge.edu.krd

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

knowledge.capital

knowledge.construction

knowledge.com.pa

knowledge.su

knowledge.ca

knowledge.ru

knowledge.ch

knowledge.io

knowledge.money

knowledge.co.uk

knowledge.systems

knowledge.works

knowledge.productions

knowledge.chat

knowledge.center

knowledge.com.kw

knowledge.network

knowledge.university

knowledge.builders

knowledge.de

knowledge.info

knowledge.academy

knowledge.asia

knowledge.lv

knowledge.ly

knowledge.com.in

knowledge.wine

knowledge.wiki

knowledge.net.nz

knowledge.or.kr

knowledge.org.uk

knowledge.ne.jp

knowledge.kr

knowledge.no-ip.org

knowledge.agency

knowledge.buzz

knowledge.cn.com

knowledge.co.th

knowledge.be

knowledge.com

knowledge.org

knowledge.kz

knowledge.ie

knowledge.net

knowledge.com.br

knowledge.tank.jp

Similar names

knolwedge.com

egdelwonk.com

knowlegde.com

kwonglede.com

ledgeknow.com

degenkolw.dk

DNS History

33 records (9 active, 24 former)

●NSdeborah.ns.cloudflare.com2026-03-10 → 2026-07-11 · 3 obs

○ 2019-01-27 21:54:14
● 2026-03-10 14:21:34
● 2026-07-11 15:16:24

●NSnolan.ns.cloudflare.com2026-03-10 → 2026-07-11 · 3 obs

○ 2019-01-27 21:54:14
● 2026-03-10 14:21:34
● 2026-07-11 15:16:24

○NSns1.dominios.uol.com.br2015-07-17 → 2019-01-27 · 5 obs

○ 2009-01-10 21:06:32
● 2015-07-17 16:12:38
● 2019-01-27 21:54:14
○ 2026-03-10 14:21:34
○ 2026-07-11 15:16:24

○NSns1.zoneedit.com2009-01-10 → 2009-01-10 · 3 obs

● 2009-01-10 21:06:32
○ 2015-07-17 16:12:38
○ 2026-07-11 15:16:24

○NSns2.dominios.uol.com.br2015-07-17 → 2019-01-27 · 5 obs

○ 2009-01-10 21:06:32
● 2015-07-17 16:12:38
● 2019-01-27 21:54:14
○ 2026-03-10 14:21:34
○ 2026-07-11 15:16:24

○NSns3.dominios.uol.com.br2015-07-17 → 2019-01-27 · 5 obs

○ 2009-01-10 21:06:32
● 2015-07-17 16:12:38
● 2019-01-27 21:54:14
○ 2026-03-10 14:21:34
○ 2026-07-11 15:16:24

○NSns4.zoneedit.com2009-01-10 → 2009-01-10 · 3 obs

● 2009-01-10 21:06:32
○ 2015-07-17 16:12:38
○ 2026-07-11 15:16:24

○MXalt1.aspmx.l.google.com2009-01-10 → 2019-01-27 · 4 obs

● 2009-01-10 21:06:32
● 2019-01-27 21:54:14
○ 2026-03-10 14:21:34
○ 2026-07-11 15:16:24

○MXalt2.aspmx.l.google.com2009-01-10 → 2019-01-27 · 4 obs

● 2009-01-10 21:06:32
● 2019-01-27 21:54:14
○ 2026-03-10 14:21:34
○ 2026-07-11 15:16:24

○MXaspmx.l.google.com2009-01-10 → 2019-01-27 · 4 obs

● 2009-01-10 21:06:32
● 2019-01-27 21:54:14
○ 2026-03-10 14:21:34
○ 2026-07-11 15:16:24

○MXaspmx2.googlemail.com2009-01-10 → 2019-01-27 · 4 obs

● 2009-01-10 21:06:32
● 2019-01-27 21:54:14
○ 2026-03-10 14:21:34
○ 2026-07-11 15:16:24

○MXaspmx3.googlemail.com2009-01-10 → 2019-01-27 · 4 obs

● 2009-01-10 21:06:32
● 2019-01-27 21:54:14
○ 2026-03-10 14:21:34
○ 2026-07-11 15:16:24

○MXaspmx4.googlemail.com2009-01-10 → 2019-01-27 · 4 obs

● 2009-01-10 21:06:32
● 2019-01-27 21:54:14
○ 2026-03-10 14:21:34
○ 2026-07-11 15:16:24

○MXaspmx5.googlemail.com2009-01-10 → 2019-01-27 · 4 obs

● 2009-01-10 21:06:32
● 2019-01-27 21:54:14
○ 2026-03-10 14:21:34
○ 2026-07-11 15:16:24

○MXms27697964.msv1.invalid2019-01-27 → 2019-01-27 · 4 obs

○ 2009-01-10 21:06:32
● 2019-01-27 21:54:14
○ 2026-03-10 14:21:34
○ 2026-07-11 15:16:24

●MXmx.zoho.com2026-03-10 → 2026-07-11 · 3 obs

○ 2019-01-27 21:54:14
● 2026-03-10 14:21:34
● 2026-07-11 15:16:24

●MXmx2.zoho.com2026-03-10 → 2026-07-11 · 3 obs

○ 2019-01-27 21:54:14
● 2026-03-10 14:21:34
● 2026-07-11 15:16:24

●MXmx3.zoho.com2026-03-10 → 2026-07-11 · 3 obs

○ 2019-01-27 21:54:14
● 2026-03-10 14:21:34
● 2026-07-11 15:16:24

●A104.21.77.1712026-03-10 → 2026-07-11 · 10 obs

○ 2019-01-27 21:54:14
● 2026-03-10 14:21:34
○ 2026-03-24 03:29:50
● 2026-03-31 05:02:46
● 2026-06-17 07:45:46
○ 2026-07-02 07:06:50
● 2026-07-04 16:53:34
○ 2026-07-11 13:15:52
● 2026-07-11 15:16:22
● 2026-07-11 15:16:24

●A172.67.210.1532026-03-10 → 2026-07-11 · 10 obs

○A187.17.111.1022015-07-17 → 2019-01-27 · 5 obs

○ 2009-01-10 21:06:32
● 2015-07-17 16:12:38
● 2019-01-27 21:54:14
○ 2026-03-10 14:21:34
○ 2026-07-11 15:16:24

○A188.114.96.02026-03-24 → 2026-07-02 · 7 obs

○ 2026-03-10 14:21:34
● 2026-03-24 03:29:50
○ 2026-03-31 05:02:46
○ 2026-06-17 07:45:46
● 2026-07-02 07:06:50
○ 2026-07-04 16:53:34
○ 2026-07-11 15:16:24

○A188.114.96.42026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-04 16:53:34
● 2026-07-11 13:15:52
○ 2026-07-11 15:16:22
○ 2026-07-11 15:16:24

○A188.114.97.02026-03-24 → 2026-07-02 · 7 obs

○ 2026-03-10 14:21:34
● 2026-03-24 03:29:50
○ 2026-03-31 05:02:46
○ 2026-06-17 07:45:46
● 2026-07-02 07:06:50
○ 2026-07-04 16:53:34
○ 2026-07-11 15:16:24

○A188.114.97.42026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-04 16:53:34
● 2026-07-11 13:15:52
○ 2026-07-11 15:16:22
○ 2026-07-11 15:16:24

●A2606:4700:3036::6815:4dab2026-03-10 → 2026-07-11 · 10 obs

●A2606:4700:3036::ac43:d2992026-07-04 → 2026-07-11 · 5 obs

○ 2026-07-02 07:06:50
● 2026-07-04 16:53:34
○ 2026-07-11 13:15:52
● 2026-07-11 15:16:22
● 2026-07-11 15:16:24

○A2606:4700:3037::ac43:d2992026-03-10 → 2026-06-17 · 7 obs

○ 2019-01-27 21:54:14
● 2026-03-10 14:21:34
○ 2026-03-24 03:29:50
● 2026-03-31 05:02:46
● 2026-06-17 07:45:46
○ 2026-07-02 07:06:50
○ 2026-07-11 15:16:24

○A2a06:98c1:3120::2026-03-24 → 2026-07-02 · 7 obs

○ 2026-03-10 14:21:34
● 2026-03-24 03:29:50
○ 2026-03-31 05:02:46
○ 2026-06-17 07:45:46
● 2026-07-02 07:06:50
○ 2026-07-04 16:53:34
○ 2026-07-11 15:16:24

○A2a06:98c1:3120::42026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-04 16:53:34
● 2026-07-11 13:15:52
○ 2026-07-11 15:16:22
○ 2026-07-11 15:16:24

○A2a06:98c1:3121::2026-03-24 → 2026-07-02 · 7 obs

○ 2026-03-10 14:21:34
● 2026-03-24 03:29:50
○ 2026-03-31 05:02:46
○ 2026-06-17 07:45:46
● 2026-07-02 07:06:50
○ 2026-07-04 16:53:34
○ 2026-07-11 15:16:24

○A2a06:98c1:3121::42026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-04 16:53:34
● 2026-07-11 13:15:52
○ 2026-07-11 15:16:22
○ 2026-07-11 15:16:24

○A75.125.224.1302009-01-10 → 2009-01-10 · 3 obs

● 2009-01-10 21:06:32
○ 2015-07-17 16:12:38
○ 2026-07-11 15:16:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	d.dns.br, c.dns.br, a.dns.br, b.dns.br...	-
knowledge.com.br	nolan.ns.cloudflare.com, deborah.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.56

NS records: nolan.ns.cloudflare.com, deborah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge.com.br (unsigned zone)

⏱️ Timing

Total: 651ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.210.153, 104.21.77.171`
AAAA	2	`2606:4700:3036::ac43:d299, 2606:4700:3036::6815:4dab`
NS	2	`deborah.ns.cloudflare.com, nolan.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx3.zoho.com (pri: 20)...`
TXT	2	`MS=ms70425472, v=spf1 include:zohomail.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`deborah.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

knowledge.com.br resolves to four IP addresses: 104.21.77.171, 172.67.210.153, 2606:4700:3036::6815:4dab and 2606:4700:3036::ac43:d299.

blacklisted.dk, www.atue-adguard.pro, jsdhedu.com and two other host names share IP numbers with knowledge.com.br.

Name Servers

DNS delegation for knowledge.com.br points to two name servers: deborah.ns.cloudflare.com and nolan.ns.cloudflare.com.

knowledge.com.br uses the same name servers as several other domains — among them sislisutesisat.com, crownplay.com.de, festactown.com.ng and two more.

knowledge.com.br shares at least some of its name servers with other domains, including lai-ci.com, cleanxpress.info, mekar77baru.quest and two others.

These name servers are frequently seen alongside the name servers deb.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

deborah.ns.cloudflare.com has IP addresses 108.162.194.111, 162.159.38.111 and 172.64.34.111, plus 3 other.

nolan.ns.cloudflare.com has IP addresses 108.162.195.56, 162.159.44.56 and 172.64.35.56, plus 3 other.

Mail Servers

knowledge.com.br is handled by three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

knowledge.com.br has at least partial mail server overlap with other domains such as buytrance.com, mediawildfire.com, llibi.com and two more.

Each of mx2.zoho.com, mx3.zoho.com and mx.zoho.com has one IP address, which is 204.141.33.44.

The host names mx2.zoho.com, mx3.zoho.com and mx.zoho.com each resolve to 204.141.33.44.