cambridgesummercourses.com - robtex.com

cambridgesummercourses.com

DNSSEC⚠️ Not signed
A198.49.23.144🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.49.23.145🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.185.159.144🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.185.159.145🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
NSns-cloud-d1.googledomains.com ⭐
A2001:4860:4802:32::6d🇺🇸 Google2001:4860::/32
PTRns-cloud-d1.googledomains.com
A216.239.32.109🇺🇸 Google216.239.32.0/24
PTRns-cloud-d1.googledomains.com
NSns-cloud-d2.googledomains.com
A2001:4860:4802:34::6d🇺🇸 Google2001:4860::/32
PTRns-cloud-d2.googledomains.com
A216.239.34.109🇺🇸 Google216.239.34.0/24
PTRns-cloud-d2.googledomains.com
NSns-cloud-d3.googledomains.com
A2001:4860:4802:36::6d🇺🇸 Google2001:4860::/32
PTRns-cloud-d3.googledomains.com
A216.239.36.109🇺🇸 Google216.239.36.0/24
PTRns-cloud-d3.googledomains.com
NSns-cloud-d4.googledomains.com
A2001:4860:4802:38::6d🇺🇸 Google2001:4860::/32
PTRns-cloud-d4.googledomains.com
A216.239.38.109🇺🇸 Google216.239.38.0/24
PTRns-cloud-d4.googledomains.com
HTTPSHTTP/2, HTTP/1.1 ✓ hints match
IPv4 hints198.185.159.144, 198.185.159.145, 198.49.23.144, 198.49.23.145
SOAns-cloud-d1.googledomains.comcloud-dns-hostmaster@google.com serial=1

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=1778469036

Same first word

cambridgesummercourses.com

DNS History

17 records (8 active, 9 former)

2017201820192020202120222023202420252026NSns-cloud-d1.googledomains.comns-cloud-d2.googledomains.comns-cloud-d3.googledomains.comns-cloud-d4.googledomains.comns.hosteurope.comns1.tsohost.co.ukns2.hosteurope.comns2.tsohost.co.ukMXmail3.eqx.gridhost.co.ukmx0.123-reg.co.ukmx1.123-reg.co.ukA198.185.159.144198.185.159.145198.49.23.144198.49.23.145185.119.173.14281.21.76.62
●NSns-cloud-d1.googledomains.com2026-04-03 → 2026-05-11 · 3 obs
○ 2020-01-05 10:15:22
● 2026-04-03 09:33:12
● 2026-05-11 03:27:16
●NSns-cloud-d2.googledomains.com2026-04-03 → 2026-05-11 · 3 obs
○ 2020-01-05 10:15:22
● 2026-04-03 09:33:12
● 2026-05-11 03:27:16
●NSns-cloud-d3.googledomains.com2026-04-03 → 2026-05-11 · 3 obs
○ 2020-01-05 10:15:22
● 2026-04-03 09:33:12
● 2026-05-11 03:27:16
●NSns-cloud-d4.googledomains.com2026-04-03 → 2026-05-11 · 3 obs
○ 2020-01-05 10:15:22
● 2026-04-03 09:33:12
● 2026-05-11 03:27:16
○NSns.hosteurope.com2016-02-09 → 2017-02-16 · 4 obs
● 2016-02-09 06:56:50
● 2017-02-16 01:34:32
○ 2020-01-05 10:15:22
○ 2026-05-11 03:27:16
○NSns1.tsohost.co.uk2020-01-05 → 2020-01-05 · 4 obs
○ 2017-02-16 01:34:32
● 2020-01-05 10:15:22
○ 2026-04-03 09:33:12
○ 2026-05-11 03:27:16
○NSns2.hosteurope.com2016-02-09 → 2017-02-16 · 4 obs
● 2016-02-09 06:56:50
● 2017-02-16 01:34:32
○ 2020-01-05 10:15:22
○ 2026-05-11 03:27:16
○NSns2.tsohost.co.uk2020-01-05 → 2020-01-05 · 4 obs
○ 2017-02-16 01:34:32
● 2020-01-05 10:15:22
○ 2026-04-03 09:33:12
○ 2026-05-11 03:27:16
○MXmail3.eqx.gridhost.co.uk2020-01-05 → 2020-01-05 · 4 obs
○ 2017-02-16 01:34:32
● 2020-01-05 10:15:22
○ 2026-04-03 09:33:12
○ 2026-05-11 03:27:16
○MXmx0.123-reg.co.uk2016-02-09 → 2017-02-16 · 4 obs
● 2016-02-09 06:56:50
● 2017-02-16 01:34:32
○ 2020-01-05 10:15:22
○ 2026-05-11 03:27:16
○MXmx1.123-reg.co.uk2016-02-09 → 2017-02-16 · 4 obs
● 2016-02-09 06:56:50
● 2017-02-16 01:34:32
○ 2020-01-05 10:15:22
○ 2026-05-11 03:27:16
○A185.119.173.1422020-01-05 → 2020-01-05 · 4 obs
○ 2017-02-16 01:34:32
● 2020-01-05 10:15:22
○ 2026-04-03 09:33:12
○ 2026-05-11 03:27:16
●A198.185.159.1442026-04-03 → 2026-05-11 · 3 obs
○ 2020-01-05 10:15:22
● 2026-04-03 09:33:12
● 2026-05-11 03:27:16
●A198.185.159.1452026-04-03 → 2026-05-11 · 3 obs
○ 2020-01-05 10:15:22
● 2026-04-03 09:33:12
● 2026-05-11 03:27:16
●A198.49.23.1442026-04-03 → 2026-05-11 · 3 obs
○ 2020-01-05 10:15:22
● 2026-04-03 09:33:12
● 2026-05-11 03:27:16
●A198.49.23.1452026-04-03 → 2026-05-11 · 3 obs
○ 2020-01-05 10:15:22
● 2026-04-03 09:33:12
● 2026-05-11 03:27:16
○A81.21.76.622016-02-09 → 2017-02-16 · 4 obs
● 2016-02-09 06:56:50
● 2017-02-16 01:34:32
○ 2020-01-05 10:15:22
○ 2026-05-11 03:27:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...-
cambridgesummercourses.comns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com8 records

✅ Authoritative Response

Server:216.239.32.109

NS records: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cambridgesummercourses.com (unsigned zone)

⏱️ Timing

Total: 426ms | Queries: -

📄 Records

TypeCountSample Data
A4198.185.159.144, 198.185.159.145...
NS4ns-cloud-d3.googledomains.com, ns-cloud-d1.googledomains.com...
HTTPS1{"priority":1,"target":".","alpn":["h2",
SOA1ns-cloud-d1.googledomains.com cloud-dns-

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-d1.googledomains.com, ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com...)

Analysis

IP Addresses

cambridgesummercourses.com resolves to four IPs: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Other host names, for instance luigidipasquale.com, madactive.com, we-dominate.com, stheliers.school.nz and davidskidmorepercussion.com share IP numbers with cambridgesummercourses.com.

Name Servers

cambridgesummercourses.com is delegated to four name servers: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com.

cambridgesummercourses.com shares some name servers with other domains, for example taixuanmen.com, thedbs.net, sinfulgrin.com, internex.co.id and punchinproductions.com.

Host names with two IP numbers

Two IPs per host:

ns-cloud-d1.googledomains.com points to 2001:4860:4802:32::6d and 216.239.32.109

ns-cloud-d2.googledomains.com points to 2001:4860:4802:34::6d and 216.239.34.109

ns-cloud-d3.googledomains.com points to 2001:4860:4802:36::6d and 216.239.36.109

ns-cloud-d4.googledomains.com points to 2001:4860:4802:38::6d and 216.239.38.109