cambridgepre-u.com - robtex.com

cambridgepre-u.com

DNSSEC⚠️ Not signed
NScory.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b5d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcory.ns.cloudflare.com
A2803:f800:50::6ca2:c15d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcory.ns.cloudflare.com
A2a06:98c1:50::ac40:215d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcory.ns.cloudflare.com
A108.162.193.93🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcory.ns.cloudflare.com
A172.64.33.93🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcory.ns.cloudflare.com
A173.245.59.93🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcory.ns.cloudflare.com
NStori.ns.cloudflare.com
A2606:4700:50::adf5:3ae7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtori.ns.cloudflare.com
A2803:f800:50::6ca2:c0e7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtori.ns.cloudflare.com
A2a06:98c1:50::ac40:20e7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtori.ns.cloudflare.com
A108.162.192.231🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtori.ns.cloudflare.com
A172.64.32.231🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtori.ns.cloudflare.com
A173.245.58.231🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtori.ns.cloudflare.com
SOAcory.ns.cloudflare.comdns@cloudflare.com serial=2401789421

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778703181

Same first word

cambridgepre-u.com

DNS History

6 records (2 active, 4 former)

20162017201820192020202120222023202420252026NScory.ns.cloudflare.comtori.ns.cloudflare.comns0.dcdns.netns1.dcdns.netns2.dcdns.netns3.dcdns.net
●NScory.ns.cloudflare.com2026-03-21 → 2026-05-13 · 3 obs
○ 2019-04-13 17:23:38
● 2026-03-21 07:47:14
● 2026-05-13 20:13:48
○NSns0.dcdns.net2015-08-04 → 2019-04-13 · 4 obs
● 2015-08-04 06:21:54
● 2019-04-13 17:23:38
○ 2026-03-21 07:47:14
○ 2026-05-13 20:13:48
○NSns1.dcdns.net2015-08-04 → 2019-04-13 · 4 obs
● 2015-08-04 06:21:54
● 2019-04-13 17:23:38
○ 2026-03-21 07:47:14
○ 2026-05-13 20:13:48
○NSns2.dcdns.net2015-08-04 → 2019-04-13 · 4 obs
● 2015-08-04 06:21:54
● 2019-04-13 17:23:38
○ 2026-03-21 07:47:14
○ 2026-05-13 20:13:48
○NSns3.dcdns.net2015-08-04 → 2019-04-13 · 4 obs
● 2015-08-04 06:21:54
● 2019-04-13 17:23:38
○ 2026-03-21 07:47:14
○ 2026-05-13 20:13:48
●NStori.ns.cloudflare.com2026-03-21 → 2026-05-13 · 3 obs
○ 2019-04-13 17:23:38
● 2026-03-21 07:47:14
● 2026-05-13 20:13:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net...-
cambridgepre-u.comcory.ns.cloudflare.com, tori.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.93

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cambridgepre-u.com (unsigned zone)

⏱️ Timing

Total: 2388ms | Queries: -

📄 Records

TypeCountSample Data
NS2cory.ns.cloudflare.com, tori.ns.cloudflare.com
SOA1cory.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

Delegation for cambridgepre-u.com rests with two name servers, cory.ns.cloudflare.com and tori.ns.cloudflare.com.

cambridgepre-u.com shares the same name server setup as other domains, including cambridgeauthoringtool.org, bulatsonline.com, basicgrammarinuse.org, ciejobs.org and upbo.org.

cambridgepre-u.com at least partially shares name servers with other domains, for instance goforward.co.nz, aysundemir.com, broadcastking.com, kingdomstarter.io and hypercube.ai.

These name servers are commonly used with the name servers serena.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.