`teachthisworksheet.com`

DNSSEC	⚠️ Not signed
NS	`ben.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:58::adf5:3b67^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c167^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ben.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2167^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ben.ns.cloudflare.com`
		A	108.162.193.103^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
		A	172.64.33.103^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
		A	173.245.59.103^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
NS	`elsa.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:50::adf5:3a6f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elsa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elsa.ns.cloudflare.com`
		A	108.162.192.111^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	172.64.32.111^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	173.245.58.111^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`

`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=1771291435

Same first word

teachthisworksheet.net

teachthisworksheet.com.au

DNS History

14 records (2 active, 12 former)

●NSben.ns.cloudflare.com2015-08-01 → 2026-03-22 · 2 obs

● 2015-08-01 04:21:22
● 2026-03-22 01:46:36

●NSelsa.ns.cloudflare.com2015-08-01 → 2026-03-22 · 2 obs

● 2015-08-01 04:21:22
● 2026-03-22 01:46:36

○MXmx.zoho.com2017-02-02 → 2017-02-02 · 3 obs

○ 2016-03-24 11:36:16
● 2017-02-02 07:56:18
○ 2026-03-22 01:46:36

○MXmx1.balanced.homie.mail.dreamhost.com2015-08-01 → 2016-03-24 · 4 obs

● 2015-08-01 04:21:22
● 2016-03-24 11:36:16
○ 2017-02-02 07:56:18
○ 2026-03-22 01:46:36

○MXmx2.balanced.homie.mail.dreamhost.com2015-08-01 → 2016-03-24 · 4 obs

● 2015-08-01 04:21:22
● 2016-03-24 11:36:16
○ 2017-02-02 07:56:18
○ 2026-03-22 01:46:36

○MXmx2.zoho.com2017-02-02 → 2017-02-02 · 3 obs

○ 2016-03-24 11:36:16
● 2017-02-02 07:56:18
○ 2026-03-22 01:46:36

○A104.25.227.1032017-02-02 → 2017-02-02 · 3 obs

○ 2016-03-24 11:36:16
● 2017-02-02 07:56:18
○ 2026-03-22 01:46:36

○A104.25.228.1032017-02-02 → 2017-02-02 · 3 obs

○ 2016-03-24 11:36:16
● 2017-02-02 07:56:18
○ 2026-03-22 01:46:36

○A104.28.14.822015-08-01 → 2016-03-24 · 4 obs

● 2015-08-01 04:21:22
● 2016-03-24 11:36:16
○ 2017-02-02 07:56:18
○ 2026-03-22 01:46:36

○A104.28.15.822015-08-01 → 2016-03-24 · 4 obs

● 2015-08-01 04:21:22
● 2016-03-24 11:36:16
○ 2017-02-02 07:56:18
○ 2026-03-22 01:46:36

○A2400:cb00:2048:1::6819:e3672017-02-02 → 2017-02-02 · 3 obs

○ 2016-03-24 11:36:16
● 2017-02-02 07:56:18
○ 2026-03-22 01:46:36

○A2400:cb00:2048:1::6819:e4672017-02-02 → 2017-02-02 · 3 obs

○ 2016-03-24 11:36:16
● 2017-02-02 07:56:18
○ 2026-03-22 01:46:36

○A2400:cb00:2048:1::681c:e522015-08-01 → 2016-03-24 · 4 obs

● 2015-08-01 04:21:22
● 2016-03-24 11:36:16
○ 2017-02-02 07:56:18
○ 2026-03-22 01:46:36

○A2400:cb00:2048:1::681c:f522015-08-01 → 2016-03-24 · 4 obs

● 2015-08-01 04:21:22
● 2016-03-24 11:36:16
○ 2017-02-02 07:56:18
○ 2026-03-22 01:46:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
teachthisworksheet.com	ben.ns.cloudflare.com, elsa.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.111

NS records: ben.ns.cloudflare.com, elsa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for teachthisworksheet.com (unsigned zone)

⏱️ Timing

Total: 369ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

Two name servers ben.ns.cloudflare.com and elsa.ns.cloudflare.com are delegated to teachthisworksheet.com.

teachthisworksheet.com uses the same name server configuration as other domains, such as thaicybergames.com, asr.co.th, unitedstarsfc.com, instmap.com and koteklicity.com.

teachthisworksheet.com at least partially shares name servers with other domains such as abirahmed.com, jobocean.tech, cranes-steel.com, deweese.pw and markonplatform.co.uk.

these name servers are commonly used with the name servers trace.ns.cloudflare.com.

Host names with six IP numbers: Host name ben.ns.cloudflare.com points to 2606:4700:58::adf5:3b67, 2803:f800:50::6ca2:c167, 2a06:98c1:50::ac40:2167, 108.162.193.103, 172.64.33.103 and 173.245.59.103; host name elsa.ns.cloudflare.com points to 2606:4700:50::adf5:3a6f, 2803:f800:50::6ca2:c06f, 2a06:98c1:50::ac40:206f, 108.162.192.111, 172.64.32.111 and 173.245.58.111.

teachthisworksheet.com - robtex.com