`knowledge.sk`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:9a09^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:43b^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.59^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.154.9^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jermaine.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c9d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jermaine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jermaine.ns.cloudflare.com`
		A	108.162.195.157^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
		A	162.159.44.157^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
		A	172.64.35.157^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
NS	`rosemary.ns.cloudflare.com`
		A	2606:4700:50::a29f:264d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c24d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rosemary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:224d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rosemary.ns.cloudflare.com`
		A	108.162.194.77^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	162.159.38.77^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	172.64.34.77^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
MX	`mx1.hostcreators.sk` ⭐
		A	46.229.238.135^{🇸🇰 VNET-AS46.229.224.0/20 VNET a.s.}
MX	`mx2.hostcreators.sk`⁽²⁰⁾
		A	217.61.3.26^{🇩🇪 XANDMAIL-ASN217.61.0.0/21 Aruba GmbH Cloud Network DC05}
			PTR	`mx2.hostcreators.sk`
TXT	`google-site-verification=5mKmSDUdvyFGDISdNpOtf583WjB5Q2Ur0bUVsXYttAA`
TXT	`v=spf1 a mx include:_spf.hostcreators.sk -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.59, 172.67.154.9
		IPv6 hints	2606:4700:3030::ac43:9a09, 2606:4700:3035::6815:43b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=14, name=cloudflare-ech.com
SOA	`jermaine.ns.cloudflare.com`dns@cloudflare.com serial=2402196552

`sk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`m.tld.sk` ⭐
	NS	`e.tld.sk`
	NS	`f.tld.sk`
	NS	`g.tld.sk`
	NS	`h.tld.sk`
	SOA	`m.tld.sk`hostmaster@sk-nic.sk serial=2018524029

Same first word

knowledge.ch

knowledge.io

knowledge.co.uk

knowledge.systems

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knowledge.productions

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knowledge.org.tw

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Similar names

knowlegde.com

kwonglede.com

ledgeknow.com

degenkolw.dk

knolwedge.com

egdelwonk.com

DNS History

22 records (8 active, 14 former)

●NSjermaine.ns.cloudflare.com2026-02-20 → 2026-05-09 · 3 obs

○ 2016-07-22 03:00:34
● 2026-02-20 22:01:06
● 2026-05-09 14:05:08

○NSns1.regzone.cz2008-11-27 → 2016-03-09 · 4 obs

● 2008-11-27 09:58:18
● 2016-03-09 03:02:12
○ 2016-07-22 03:00:34
○ 2026-05-09 14:05:08

○NSns1.regzone.de2015-08-06 → 2016-03-09 · 5 obs

○ 2008-11-27 09:58:18
● 2015-08-06 19:05:42
● 2016-03-09 03:02:12
○ 2016-07-22 03:00:34
○ 2026-05-09 14:05:08

○NSns1.regzone.info2008-11-27 → 2016-03-09 · 4 obs

● 2008-11-27 09:58:18
● 2016-03-09 03:02:12
○ 2016-07-22 03:00:34
○ 2026-05-09 14:05:08

●NSrosemary.ns.cloudflare.com2026-02-20 → 2026-05-09 · 3 obs

○ 2016-07-22 03:00:34
● 2026-02-20 22:01:06
● 2026-05-09 14:05:08

●MXmx1.hostcreators.sk2026-02-20 → 2026-05-09 · 2 obs

● 2026-02-20 22:01:06
● 2026-05-09 14:05:08

●MXmx2.hostcreators.sk2026-02-20 → 2026-05-09 · 2 obs

● 2026-02-20 22:01:06
● 2026-05-09 14:05:08

●A104.21.4.592026-05-05 → 2026-05-09 · 3 obs

○ 2026-02-21 01:08:40
● 2026-05-05 17:43:42
● 2026-05-09 14:05:08

○A143.95.245.1552016-03-09 → 2016-03-09 · 4 obs

○ 2015-12-02 02:30:18
● 2016-03-09 03:02:12
○ 2016-07-22 03:00:34
○ 2026-05-09 14:05:08

●A172.67.154.92026-05-05 → 2026-05-09 · 3 obs

○ 2026-02-21 01:08:40
● 2026-05-05 17:43:42
● 2026-05-09 14:05:08

○A188.114.96.02026-02-20 → 2026-02-21 · 5 obs

○ 2016-07-22 03:00:34
● 2026-02-20 22:01:06
● 2026-02-21 01:08:40
○ 2026-05-05 17:43:42
○ 2026-05-09 14:05:08

○A188.114.96.42026-02-20 → 2026-05-09 · 2 obs

○ 2026-02-20 22:01:06
○ 2026-05-09 14:05:08

○A188.114.97.02026-02-20 → 2026-02-21 · 5 obs

○ 2016-07-22 03:00:34
● 2026-02-20 22:01:06
● 2026-02-21 01:08:40
○ 2026-05-05 17:43:42
○ 2026-05-09 14:05:08

○A188.114.97.42026-02-20 → 2026-05-09 · 2 obs

○ 2026-02-20 22:01:06
○ 2026-05-09 14:05:08

○A217.198.116.1882015-08-06 → 2015-12-02 · 5 obs

○ 2008-11-27 09:58:18
● 2015-08-06 19:05:42
● 2015-12-02 02:30:18
○ 2016-03-09 03:02:12
○ 2026-05-09 14:05:08

●A2606:4700:3030::ac43:9a092026-05-05 → 2026-05-09 · 3 obs

○ 2026-02-21 01:08:40
● 2026-05-05 17:43:42
● 2026-05-09 14:05:08

●A2606:4700:3035::6815:43b2026-05-05 → 2026-05-09 · 3 obs

○ 2026-02-21 01:08:40
● 2026-05-05 17:43:42
● 2026-05-09 14:05:08

○A2a06:98c1:3120::2026-02-21 → 2026-02-21 · 4 obs

○ 2026-02-20 22:01:06
● 2026-02-21 01:08:40
○ 2026-05-05 17:43:42
○ 2026-05-09 14:05:08

○A2a06:98c1:3120::42026-02-20 → 2026-02-20 · 4 obs

○ 2016-07-22 03:00:34
● 2026-02-20 22:01:06
○ 2026-02-21 01:08:40
○ 2026-05-09 14:05:08

○A2a06:98c1:3121::2026-02-21 → 2026-02-21 · 4 obs

○ 2026-02-20 22:01:06
● 2026-02-21 01:08:40
○ 2026-05-05 17:43:42
○ 2026-05-09 14:05:08

○A2a06:98c1:3121::42026-02-20 → 2026-02-20 · 4 obs

○ 2016-07-22 03:00:34
● 2026-02-20 22:01:06
○ 2026-02-21 01:08:40
○ 2026-05-09 14:05:08

○A62.168.63.2492008-11-27 → 2008-11-27 · 3 obs

● 2008-11-27 09:58:18
○ 2015-08-06 19:05:42
○ 2026-05-09 14:05:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sk	e.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk	-
knowledge.sk	rosemary.ns.cloudflare.com, jermaine.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.157

NS records: rosemary.ns.cloudflare.com, jermaine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge.sk (unsigned zone)

⏱️ Timing

Total: 639ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.4.59, 172.67.154.9`
AAAA	2	`2606:4700:3030::ac43:9a09, 2606:4700:3035::6815:43b`
NS	2	`jermaine.ns.cloudflare.com, rosemary.ns.cloudflare.com`
MX	2	`mx1.hostcreators.sk (pri: 10), mx2.hostcreators.sk (pri: 20)`
TXT	2	`google-site-verification=5mKmSDUdvyFGDIS, v=spf1 a mx include:_spf.hostcreators.sk`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jermaine.ns.cloudflare.com dns.cloudflar`

Analysis

IP Addresses

knowledge.sk resolves to four IPs: 2606:4700:3030::ac43:9a09, 2606:4700:3035::6815:43b, 104.21.4.59 and 172.67.154.9.

Other host names such as grojil.org, 407706290.xyz, purelyfinancialplanning.co.uk, lynnswayoflife.com and 4958zerkalo.casino share IP numbers with knowledge.sk.

Name Servers

knowledge.sk is delegated to two name servers: jermaine.ns.cloudflare.com and rosemary.ns.cloudflare.com.

knowledge.sk uses the same name server setup as other domains, including monsterbox.media, carpartsmotor.com, lapharmaciecanadienne.com, opl.com.np and himalayantrust.org.np.

At least part of the name servers for knowledge.sk are shared with other domains, for instance 3466bet(0x736578)tou.com, cornotv.com, store-isabelmarant.com, franksaidwhat.com and latinocares.com.

These name servers are commonly used alongside dalary.ns.cloudflare.com and joyce.ns.cloudflare.com.

Host names with six IP numbers:

jermaine.ns.cloudflare.com points to: 2606:4700:58::a29f:2c9d, 2803:f800:50::6ca2:c39d, 2a06:98c1:50::ac40:239d, 108.162.195.157, 162.159.44.157 and 172.64.35.157.

rosemary.ns.cloudflare.com points to: 2606:4700:50::a29f:264d, 2803:f800:50::6ca2:c24d, 2a06:98c1:50::ac40:224d, 108.162.194.77, 162.159.38.77 and 172.64.34.77.

Mail Servers

knowledge.sk is handled by two mail servers: mx1.hostcreators.sk and mx2.hostcreators.sk.

knowledge.sk uses the same mail server setup as other domains, for instance vipstudio.sk, cobrakuchyne.sk, comodo.sk, novyweb.sk and heyday.sk.

knowledge.sk shares at least some mail servers with other domains, for example bbalternativa.sk, artionel.com, e-dogshop.sk, aquamarin.sk and velcom-sro.com.

Hostnames with a single IP

mx1.hostcreators.sk resolves to: 46.229.238.135.

mx2.hostcreators.sk resolves to: 217.61.3.26.

knowledge.sk - robtex.com

knowledge.sk

sk

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`knowledge.sk`

`sk`