historystudycentre.com - robtex.com

historystudycentre.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:c5c6🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:3c91🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.60.145Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.197.198🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScollins.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26e2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcollins.ns.cloudflare.com
A2803:f800:50::6ca2:c2e2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcollins.ns.cloudflare.com
A2a06:98c1:50::ac40:22e2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcollins.ns.cloudflare.com
A108.162.194.226🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcollins.ns.cloudflare.com
A162.159.38.226Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcollins.ns.cloudflare.com
A172.64.34.226🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcollins.ns.cloudflare.com
NSodin.ns.cloudflare.com
A2606:4700:58::a29f:2cd0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
A2803:f800:50::6ca2:c3d0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRodin.ns.cloudflare.com
A2a06:98c1:50::ac40:23d0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRodin.ns.cloudflare.com
A108.162.195.208🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
A162.159.44.208Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
A172.64.35.208🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.60.145, 172.67.197.198
IPv6 hints2606:4700:3030::ac43:c5c6, 2606:4700:3033::6815:3c91
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=172, name=cloudflare-ech.com
SOAcollins.ns.cloudflare.comdns@cloudflare.com serial=2409756069

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=1784465502

Same first word

historystudycentre.com
historystudycentre.co.uk

Similar names

historystudycenter.co.uk
historystudycenter.com

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NScollins.ns.cloudflare.comodin.ns.cloudflare.commercury.chadwyck.co.ukns1.proquest.comns2.proquest.comns3.proquest.comns4.proquest.compluto.chadwyck.co.ukA104.21.60.145172.67.197.1982606:4700:3030::ac43:c5c62606:4700:3033::6815:3c912606:4700:3034::6815:3c912606:4700:3037::ac43:c5c6
●NScollins.ns.cloudflare.com2026-05-08 → 2026-07-19 · 3 obs
○ 2017-04-05 08:10:24
● 2026-05-08 18:12:24
● 2026-07-19 13:06:50
○NSmercury.chadwyck.co.uk2015-08-08 → 2017-04-05 · 4 obs
● 2015-08-08 00:25:20
● 2017-04-05 08:10:24
○ 2026-05-08 18:12:24
○ 2026-07-19 13:06:50
○NSns1.proquest.com2015-08-08 → 2017-04-05 · 4 obs
● 2015-08-08 00:25:20
● 2017-04-05 08:10:24
○ 2026-05-08 18:12:24
○ 2026-07-19 13:06:50
○NSns2.proquest.com2015-08-08 → 2017-04-05 · 4 obs
● 2015-08-08 00:25:20
● 2017-04-05 08:10:24
○ 2026-05-08 18:12:24
○ 2026-07-19 13:06:50
○NSns3.proquest.com2015-08-08 → 2017-04-05 · 4 obs
● 2015-08-08 00:25:20
● 2017-04-05 08:10:24
○ 2026-05-08 18:12:24
○ 2026-07-19 13:06:50
○NSns4.proquest.com2015-08-08 → 2017-04-05 · 4 obs
● 2015-08-08 00:25:20
● 2017-04-05 08:10:24
○ 2026-05-08 18:12:24
○ 2026-07-19 13:06:50
●NSodin.ns.cloudflare.com2026-05-08 → 2026-07-19 · 3 obs
○ 2017-04-05 08:10:24
● 2026-05-08 18:12:24
● 2026-07-19 13:06:50
○NSpluto.chadwyck.co.uk2015-08-08 → 2017-04-05 · 4 obs
● 2015-08-08 00:25:20
● 2017-04-05 08:10:24
○ 2026-05-08 18:12:24
○ 2026-07-19 13:06:50
●A104.21.60.1452026-05-08 → 2026-07-19 · 2 obs
● 2026-05-08 18:12:24
● 2026-07-19 13:06:50
●A172.67.197.1982026-05-08 → 2026-07-19 · 2 obs
● 2026-05-08 18:12:24
● 2026-07-19 13:06:50
●A2606:4700:3030::ac43:c5c62026-07-03 → 2026-07-19 · 3 obs
○ 2026-06-12 18:44:34
● 2026-07-03 23:15:24
● 2026-07-19 13:06:50
●A2606:4700:3033::6815:3c912026-07-03 → 2026-07-19 · 3 obs
○ 2026-06-12 18:44:34
● 2026-07-03 23:15:24
● 2026-07-19 13:06:50
○A2606:4700:3034::6815:3c912026-05-08 → 2026-06-12 · 4 obs
● 2026-05-08 18:12:24
● 2026-06-12 18:44:34
○ 2026-07-03 23:15:24
○ 2026-07-19 13:06:50
○A2606:4700:3037::ac43:c5c62026-05-08 → 2026-06-12 · 4 obs
● 2026-05-08 18:12:24
● 2026-06-12 18:44:34
○ 2026-07-03 23:15:24
○ 2026-07-19 13:06:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net...-
historystudycentre.comcollins.ns.cloudflare.com, odin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.226

NS records: collins.ns.cloudflare.com, odin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for historystudycentre.com (unsigned zone)

⏱️ Timing

Total: 393ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.197.198, 104.21.60.145
AAAA22606:4700:3030::ac43:c5c6, 2606:4700:3033::6815:3c91
NS2collins.ns.cloudflare.com, odin.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1collins.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

historystudycentre.com has four IP addresses: 104.21.60.145, 172.67.197.198, 2606:4700:3030::ac43:c5c6 and 2606:4700:3033::6815:3c91.

sharpsmd.net, ams90.com, myadmission.carsu.edu.ph and two other host names share IP numbers with historystudycentre.com.

Name Servers

historystudycentre.com is delegated to two name servers: collins.ns.cloudflare.com and odin.ns.cloudflare.com.

historystudycentre.com uses the same name servers as several other domains — among them bni-org.co.uk, queenvictoriasjournals.org, britishnursingindex.co.uk and two more.

historystudycentre.com has at least partial name server overlap with other domains, such as powertrials.org, mytacos.net, supernovacraftbase.nl and two others.

It is common to see these name servers used together with name servers destiny.ns.cloudflare.com and wells.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

collins.ns.cloudflare.com resolves to 108.162.194.226, 162.159.38.226, 172.64.34.226 and 3 other IP addresses.

odin.ns.cloudflare.com resolves to 108.162.195.208, 162.159.44.208, 172.64.35.208 and 3 other IP addresses.