`historystudycenter.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:10c1^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d791^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.193^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.215.145^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`collins.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26e2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`collins.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2e2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`collins.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22e2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`collins.ns.cloudflare.com`
		A	108.162.194.226^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`collins.ns.cloudflare.com`
		A	162.159.38.226^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`collins.ns.cloudflare.com`
		A	172.64.34.226^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`collins.ns.cloudflare.com`
NS	`odin.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cd0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`odin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`odin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`odin.ns.cloudflare.com`
		A	108.162.195.208^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`odin.ns.cloudflare.com`
		A	162.159.44.208^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`odin.ns.cloudflare.com`
		A	172.64.35.208^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`odin.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.193, 172.67.215.145
		IPv6 hints	2606:4700:3034::6815:10c1, 2606:4700:3037::ac43:d791
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=1, name=cloudflare-ech.com
SOA	`collins.ns.cloudflare.com`dns@cloudflare.com serial=2405134010

`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=1784527102

WOT: SAFE (62/100)

Same first word

historystudycenter.com

historystudycenter.co.uk

Similar names

historystudycentre.com

historystudycentre.co.uk

DNS History

16 records (6 active, 10 former)

●NScollins.ns.cloudflare.com2026-05-08 → 2026-07-20 · 3 obs

○ 2017-10-02 00:13:48
● 2026-05-08 18:11:54
● 2026-07-20 06:03:52

○NSmercury.chadwyck.co.uk2015-08-13 → 2017-10-02 · 4 obs

● 2015-08-13 04:41:20
● 2017-10-02 00:13:48
○ 2026-05-08 18:11:54
○ 2026-07-20 06:03:52

○NSns1.proquest.com2015-08-13 → 2017-10-02 · 4 obs

● 2015-08-13 04:41:20
● 2017-10-02 00:13:48
○ 2026-05-08 18:11:54
○ 2026-07-20 06:03:52

○NSns2.proquest.com2015-08-13 → 2017-10-02 · 4 obs

● 2015-08-13 04:41:20
● 2017-10-02 00:13:48
○ 2026-05-08 18:11:54
○ 2026-07-20 06:03:52

○NSns3.proquest.com2015-08-13 → 2017-10-02 · 4 obs

● 2015-08-13 04:41:20
● 2017-10-02 00:13:48
○ 2026-05-08 18:11:54
○ 2026-07-20 06:03:52

○NSns4.proquest.com2015-08-13 → 2017-10-02 · 4 obs

● 2015-08-13 04:41:20
● 2017-10-02 00:13:48
○ 2026-05-08 18:11:54
○ 2026-07-20 06:03:52

●NSodin.ns.cloudflare.com2026-05-08 → 2026-07-20 · 3 obs

○ 2017-10-02 00:13:48
● 2026-05-08 18:11:54
● 2026-07-20 06:03:52

○NSpluto.chadwyck.co.uk2015-08-13 → 2017-10-02 · 4 obs

● 2015-08-13 04:41:20
● 2017-10-02 00:13:48
○ 2026-05-08 18:11:54
○ 2026-07-20 06:03:52

●A104.21.16.1932026-05-24 → 2026-07-20 · 6 obs

○ 2026-05-17 23:02:32
● 2026-05-24 15:02:32
● 2026-05-25 06:44:30
○ 2026-05-25 21:24:00
● 2026-05-29 13:28:42
● 2026-07-20 06:03:52

●A172.67.215.1452026-05-24 → 2026-07-20 · 6 obs

○ 2026-05-17 23:02:32
● 2026-05-24 15:02:32
● 2026-05-25 06:44:30
○ 2026-05-25 21:24:00
● 2026-05-29 13:28:42
● 2026-07-20 06:03:52

○A188.114.96.02026-05-08 → 2026-05-25 · 7 obs

● 2026-05-08 18:11:54
● 2026-05-17 23:02:32
○ 2026-05-24 15:02:32
○ 2026-05-25 06:44:30
● 2026-05-25 21:24:00
○ 2026-05-29 13:28:42
○ 2026-07-20 06:03:52

○A188.114.97.02026-05-08 → 2026-05-25 · 7 obs

● 2026-05-08 18:11:54
● 2026-05-17 23:02:32
○ 2026-05-24 15:02:32
○ 2026-05-25 06:44:30
● 2026-05-25 21:24:00
○ 2026-05-29 13:28:42
○ 2026-07-20 06:03:52

●A2606:4700:3034::6815:10c12026-05-24 → 2026-07-20 · 6 obs

○ 2026-05-17 23:02:32
● 2026-05-24 15:02:32
● 2026-05-25 06:44:30
○ 2026-05-25 21:24:00
● 2026-05-29 13:28:42
● 2026-07-20 06:03:52

●A2606:4700:3037::ac43:d7912026-05-24 → 2026-07-20 · 6 obs

○ 2026-05-17 23:02:32
● 2026-05-24 15:02:32
● 2026-05-25 06:44:30
○ 2026-05-25 21:24:00
● 2026-05-29 13:28:42
● 2026-07-20 06:03:52

○A2a06:98c1:3120::2026-05-08 → 2026-05-25 · 7 obs

● 2026-05-08 18:11:54
● 2026-05-17 23:02:32
○ 2026-05-24 15:02:32
○ 2026-05-25 06:44:30
● 2026-05-25 21:24:00
○ 2026-05-29 13:28:42
○ 2026-07-20 06:03:52

○A2a06:98c1:3121::2026-05-08 → 2026-05-25 · 7 obs

● 2026-05-08 18:11:54
● 2026-05-17 23:02:32
○ 2026-05-24 15:02:32
○ 2026-05-25 06:44:30
● 2026-05-25 21:24:00
○ 2026-05-29 13:28:42
○ 2026-07-20 06:03:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
historystudycenter.com	collins.ns.cloudflare.com, odin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.208

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for historystudycenter.com (unsigned zone)

⏱️ Timing

Total: 458ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.16.193, 172.67.215.145`
AAAA	2	`2606:4700:3037::ac43:d791, 2606:4700:3034::6815:10c1`
NS	2	`collins.ns.cloudflare.com, odin.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`collins.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

historystudycenter.com directs to four IP numbers, which are 104.21.16.193, 172.67.215.145, 2606:4700:3034::6815:10c1 and 2606:4700:3037::ac43:d791.

Additional host names — jzhjp.com, iqsafe.info, greenguernsey.com and two others — share IP numbers with historystudycenter.com.

Name Servers

historystudycenter.com is served by two delegated name servers, collins.ns.cloudflare.com and odin.ns.cloudflare.com.

historystudycenter.com shares its name server setup with other domains, including knoweurope.com, bniplus.co.uk, bni-org.co.uk and two others.

The name servers of historystudycenter.com overlap at least partially with those of other domains — among them wen-coffee.com, kingard.com, dynexventures.ca and two more.

These name servers commonly appear alongside the name servers destiny.ns.cloudflare.com and wells.ns.cloudflare.com.

Host names with 6 IP numbers:

collins.ns.cloudflare.com carries IP addresses 108.162.194.226, 162.159.38.226 and 172.64.34.226, with 3 other addresses beyond those.

odin.ns.cloudflare.com carries IP addresses 108.162.195.208, 162.159.44.208 and 172.64.35.208, with 3 other addresses beyond those.

historystudycenter.com - robtex.com