`cambridgelearner.org`

DNSSEC	⚠️ Not signed
NS	`cory.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cory.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cory.ns.cloudflare.com`
		A	108.162.193.93^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	172.64.33.93^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	173.245.59.93^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
NS	`tori.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tori.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tori.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tori.ns.cloudflare.com`
		A	108.162.192.231^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tori.ns.cloudflare.com`
		A	172.64.32.231^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tori.ns.cloudflare.com`
		A	173.245.58.231^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tori.ns.cloudflare.com`
SOA	`cory.ns.cloudflare.com`dns@cloudflare.com serial=2399127660

`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=1774402693

Same first word

cambridgelearner.org

DNS History

6 records (2 active, 4 former)

●NScory.ns.cloudflare.com2026-03-25 → 2026-03-25 · 2 obs

○ 2017-04-09 22:59:24
● 2026-03-25 02:02:06

○NSns0.dcdns.net2015-06-01 → 2017-04-09 · 3 obs

● 2015-06-01 23:00:36
● 2017-04-09 22:59:24
○ 2026-03-25 02:02:06

○NSns1.dcdns.net2015-06-01 → 2017-04-09 · 3 obs

● 2015-06-01 23:00:36
● 2017-04-09 22:59:24
○ 2026-03-25 02:02:06

○NSns2.dcdns.net2015-06-01 → 2017-04-09 · 3 obs

● 2015-06-01 23:00:36
● 2017-04-09 22:59:24
○ 2026-03-25 02:02:06

○NSns3.dcdns.net2015-06-01 → 2017-04-09 · 3 obs

● 2015-06-01 23:00:36
● 2017-04-09 22:59:24
○ 2026-03-25 02:02:06

●NStori.ns.cloudflare.com2026-03-25 → 2026-03-25 · 2 obs

○ 2017-04-09 22:59:24
● 2026-03-25 02:02:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
cambridgelearner.org	tori.ns.cloudflare.com, cory.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.231

NS records: tori.ns.cloudflare.com, cory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cambridgelearner.org (unsigned zone)

⏱️ Timing

Total: 357ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`cory.ns.cloudflare.com, tori.ns.cloudflare.com`
SOA	1	`cory.ns.cloudflare.com dns.cloudflare.co`

Analysis

Name Servers

cambridgelearner.org has two name servers: cory.ns.cloudflare.com and tori.ns.cloudflare.com.

cambridgelearner.org shares the same name server setup as other domains, for example cemcenter.org, combconf.com, ocr.org.uk, ciejobs.net and alevelchanges.info.

cambridgelearner.org shares some name servers with other domains, for example sonairte.ie, speciallabmotorcycle.com, hpc-ukraina.odessa.ua, trio-mobile.com and baysellplatform.com.

These name servers are often used together with perla.ns.cloudflare.com, janet.ns.cloudflare.com and karl.ns.cloudflare.com.

Host names with six IP numbers: cory.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5d, 2803:f800:50::6ca2:c15d, 2a06:98c1:50::ac40:215d, 108.162.193.93, 172.64.33.93 and 173.245.59.93; tori.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae7, 2803:f800:50::6ca2:c0e7, 2a06:98c1:50::ac40:20e7, 108.162.192.231, 172.64.32.231 and 173.245.58.231.

cambridgelearner.org - robtex.com