`knowledgetowork.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:29a1^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:9439^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.161^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.57^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hal.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bae^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hal.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ae^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hal.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ae^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hal.ns.cloudflare.com`
		A	108.162.193.174^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hal.ns.cloudflare.com`
		A	172.64.33.174^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hal.ns.cloudflare.com`
		A	173.245.59.174^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hal.ns.cloudflare.com`
NS	`thea.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thea.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thea.ns.cloudflare.com`
		A	108.162.194.247^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	162.159.38.247^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	172.64.34.247^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.161, 172.67.148.57
		IPv6 hints	2606:4700:3031::6815:29a1, 2606:4700:3035::ac43:9439
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=245, name=cloudflare-ech.com
SOA	`hal.ns.cloudflare.com`dns@cloudflare.com serial=2400244751

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1775457932

Previously MX for

knowledgetowork.com

Same first word

knowledgetowork.com

DNS History

21 records (6 active, 15 former)

●NShal.ns.cloudflare.com2026-03-27 → 2026-04-06 · 3 obs

○ 2018-02-21 21:37:18
● 2026-03-27 18:45:30
● 2026-04-06 06:51:02

○NSns0.dnsmadeeasy.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 18:31:22
○ 2018-02-21 21:37:18
○ 2026-04-06 06:51:02

○NSns1.dnsmadeeasy.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 18:31:22
○ 2018-02-21 21:37:18
○ 2026-04-06 06:51:02

○NSns2.dnsmadeeasy.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 18:31:22
○ 2018-02-21 21:37:18
○ 2026-04-06 06:51:02

○NSns23.domaincontrol.com2018-02-21 → 2018-02-21 · 4 obs

○ 2016-12-20 18:31:22
● 2018-02-21 21:37:18
○ 2026-03-27 18:45:30
○ 2026-04-06 06:51:02

○NSns24.domaincontrol.com2018-02-21 → 2018-02-21 · 4 obs

○ 2016-12-20 18:31:22
● 2018-02-21 21:37:18
○ 2026-03-27 18:45:30
○ 2026-04-06 06:51:02

○NSns3.dnsmadeeasy.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 18:31:22
○ 2018-02-21 21:37:18
○ 2026-04-06 06:51:02

○NSns4.dnsmadeeasy.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 18:31:22
○ 2018-02-21 21:37:18
○ 2026-04-06 06:51:02

●NSthea.ns.cloudflare.com2026-03-27 → 2026-04-06 · 3 obs

○ 2018-02-21 21:37:18
● 2026-03-27 18:45:30
● 2026-04-06 06:51:02

○MXknowledgetowork.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 18:31:22
○ 2018-02-21 21:37:18
○ 2026-04-06 06:51:02

●A104.21.41.1612026-03-27 → 2026-04-06 · 5 obs

○ 2018-02-21 21:37:18
● 2026-03-27 18:45:30
○ 2026-03-30 12:04:24
● 2026-04-06 06:51:00
● 2026-04-06 06:51:02

○A107.180.98.1022026-03-27 → 2026-04-06 · 2 obs

○ 2026-03-27 18:45:30
○ 2026-04-06 06:51:02

●A172.67.148.572026-03-27 → 2026-04-06 · 5 obs

○ 2018-02-21 21:37:18
● 2026-03-27 18:45:30
○ 2026-03-30 12:04:24
● 2026-04-06 06:51:00
● 2026-04-06 06:51:02

○A188.114.96.02026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-27 18:45:30
● 2026-03-30 12:04:24
○ 2026-04-06 06:51:00
○ 2026-04-06 06:51:02

○A188.114.97.02026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-27 18:45:30
● 2026-03-30 12:04:24
○ 2026-04-06 06:51:00
○ 2026-04-06 06:51:02

○A23.29.59.302016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 18:31:22
○ 2018-02-21 21:37:18
○ 2026-04-06 06:51:02

●A2606:4700:3031::6815:29a12026-03-27 → 2026-04-06 · 5 obs

○ 2018-02-21 21:37:18
● 2026-03-27 18:45:30
○ 2026-03-30 12:04:24
● 2026-04-06 06:51:00
● 2026-04-06 06:51:02

●A2606:4700:3035::ac43:94392026-03-27 → 2026-04-06 · 5 obs

○ 2018-02-21 21:37:18
● 2026-03-27 18:45:30
○ 2026-03-30 12:04:24
● 2026-04-06 06:51:00
● 2026-04-06 06:51:02

○A2a06:98c1:3120::2026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-27 18:45:30
● 2026-03-30 12:04:24
○ 2026-04-06 06:51:00
○ 2026-04-06 06:51:02

○A2a06:98c1:3121::2026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-27 18:45:30
● 2026-03-30 12:04:24
○ 2026-04-06 06:51:00
○ 2026-04-06 06:51:02

○A96.125.173.2342018-02-21 → 2018-02-21 · 4 obs

○ 2016-12-20 18:31:22
● 2018-02-21 21:37:18
○ 2026-03-27 18:45:30
○ 2026-04-06 06:51:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
knowledgetowork.com	hal.ns.cloudflare.com, thea.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.247

NS records: hal.ns.cloudflare.com, thea.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgetowork.com (unsigned zone)

⏱️ Timing

Total: 152ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.148.57, 104.21.41.161`
AAAA	2	`2606:4700:3035::ac43:9439, 2606:4700:3031::6815:29a1`
NS	2	`hal.ns.cloudflare.com, thea.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hal.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (hal.ns.cloudflare.com, hal.ns.cloudflare.com, hal.ns.cloudflare.com...)

Analysis

IP Addresses

knowledgetowork.com resolves to four IP numbers: 2606:4700:3031::6815:29a1, 2606:4700:3035::ac43:9439, 104.21.41.161 and 172.67.148.57.

Other host names such as f-e.co.uk, kimurataro.com, nothingbutknives.com, www.spectrumcare.org.nz and www.esna.bzh share IPs with knowledgetowork.com.

Name Servers

knowledgetowork.com is delegated to two name servers: hal.ns.cloudflare.com and thea.ns.cloudflare.com.

knowledgetowork.com shares the same name server setup as ewp.biz, measure.org.il, nordinahome.co.uk, vauchinfotech.com and wped.com.

knowledgetowork.com at least partially shares name servers with other domains, for instance odrag.ru, khodrobank.ir, txinspro.com, litecube.ru and naa-jump.com.

These name servers are commonly used with ezra.ns.cloudflare.com and margot.ns.cloudflare.com.

Host names with six IP numbers:

hal.ns.cloudflare.com points to 2606:4700:58::adf5:3bae, 2803:f800:50::6ca2:c1ae, 2a06:98c1:50::ac40:21ae, 108.162.193.174, 172.64.33.174 and 173.245.59.174.

thea.ns.cloudflare.com points to 2606:4700:50::a29f:26f7, 2803:f800:50::6ca2:c2f7, 2a06:98c1:50::ac40:22f7, 108.162.194.247, 162.159.38.247 and 172.64.34.247.

knowledgetowork.com - robtex.com