`studyworld2015.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:2df0^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:dcbd^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.45.240^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.189^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chip.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b54^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c154^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chip.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2154^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chip.ns.cloudflare.com`
		A	108.162.193.84^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	172.64.33.84^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	173.245.59.84^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
NS	`tia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tia.ns.cloudflare.com`
		A	108.162.192.229^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tia.ns.cloudflare.com`
		A	172.64.32.229^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tia.ns.cloudflare.com`
		A	173.245.58.229^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tia.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.45.240, 172.67.220.189
		IPv6	2606:4700:3035::6815:2df0, 2606:4700:3036::ac43:dcbd
SOA	`chip.ns.cloudflare.com`dns@cloudflare.com serial=2397018203

`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=1771291435

Same first word

studyworld2015.com

DNS History

17 records (6 active, 11 former)

●NSchip.ns.cloudflare.com2026-03-04 → 2026-03-08 · 3 obs

○ 2020-01-23 14:07:54
● 2026-03-04 05:07:58
● 2026-03-08 06:26:52

○NSns-1487.awsdns-57.org2020-01-23 → 2020-01-23 · 4 obs

○ 2016-12-27 17:15:08
● 2020-01-23 14:07:54
○ 2026-03-04 05:07:58
○ 2026-03-08 06:26:52

○NSns-1992.awsdns-57.co.uk2020-01-23 → 2020-01-23 · 4 obs

○ 2016-12-27 17:15:08
● 2020-01-23 14:07:54
○ 2026-03-04 05:07:58
○ 2026-03-08 06:26:52

○NSns-73.awsdns-09.com2020-01-23 → 2020-01-23 · 4 obs

○ 2016-12-27 17:15:08
● 2020-01-23 14:07:54
○ 2026-03-04 05:07:58
○ 2026-03-08 06:26:52

○NSns-985.awsdns-59.net2020-01-23 → 2020-01-23 · 4 obs

○ 2016-12-27 17:15:08
● 2020-01-23 14:07:54
○ 2026-03-04 05:07:58
○ 2026-03-08 06:26:52

○NSns5.kasserver.com2015-06-16 → 2016-12-27 · 4 obs

● 2015-06-16 05:05:40
● 2016-12-27 17:15:08
○ 2020-01-23 14:07:54
○ 2026-03-08 06:26:52

○NSns6.kasserver.com2015-06-16 → 2016-12-27 · 4 obs

● 2015-06-16 05:05:40
● 2016-12-27 17:15:08
○ 2020-01-23 14:07:54
○ 2026-03-08 06:26:52

●NStia.ns.cloudflare.com2026-03-04 → 2026-03-08 · 3 obs

○ 2020-01-23 14:07:54
● 2026-03-04 05:07:58
● 2026-03-08 06:26:52

○MXmail.studyworld2015.com2015-06-16 → 2016-04-25 · 4 obs

● 2015-06-16 05:05:40
● 2016-04-25 20:50:26
○ 2016-12-27 17:15:08
○ 2026-03-08 06:26:52

○MXmail0100.iqservs-jp.com2020-01-23 → 2020-01-23 · 4 obs

○ 2016-12-27 17:15:08
● 2020-01-23 14:07:54
○ 2026-03-04 05:07:58
○ 2026-03-08 06:26:52

○MXw00(0x62303062)7.kasserver.com2016-12-27 → 2016-12-27 · 4 obs

○ 2016-04-25 20:50:26
● 2016-12-27 17:15:08
○ 2020-01-23 14:07:54
○ 2026-03-08 06:26:52

●A104.21.45.2402026-03-04 → 2026-03-08 · 3 obs

○ 2020-01-23 14:07:54
● 2026-03-04 05:07:58
● 2026-03-08 06:26:52

●A172.67.220.1892026-03-04 → 2026-03-08 · 3 obs

○ 2020-01-23 14:07:54
● 2026-03-04 05:07:58
● 2026-03-08 06:26:52

●A2606:4700:3035::6815:2df02026-03-04 → 2026-03-08 · 3 obs

○ 2020-01-23 14:07:54
● 2026-03-04 05:07:58
● 2026-03-08 06:26:52

●A2606:4700:3036::ac43:dcbd2026-03-04 → 2026-03-08 · 3 obs

○ 2020-01-23 14:07:54
● 2026-03-04 05:07:58
● 2026-03-08 06:26:52

○A49.212.212.2292020-01-23 → 2020-01-23 · 4 obs

○ 2016-12-27 17:15:08
● 2020-01-23 14:07:54
○ 2026-03-04 05:07:58
○ 2026-03-08 06:26:52

○A85.13.140.1362015-06-16 → 2016-12-27 · 4 obs

● 2015-06-16 05:05:40
● 2016-12-27 17:15:08
○ 2020-01-23 14:07:54
○ 2026-03-08 06:26:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studyworld2015.com	chip.ns.cloudflare.com, tia.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.229

NS records: chip.ns.cloudflare.com, tia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyworld2015.com (unsigned zone)

⏱️ Timing

Total: 127ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.220.189, 104.21.45.240`
AAAA	2	`2606:4700:3035::6815:2df0, 2606:4700:3036::ac43:dcbd`
NS	2	`chip.ns.cloudflare.com, tia.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chip.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studyworld2015.com maps to four IP numbers: 2606:4700:3035::6815:2df0, 2606:4700:3036::ac43:dcbd, 104.21.45.240 and 172.67.220.189.

Other host names such as kentuckyrvsupershow.com, sdlanbang.com, mt-cake.com, f1c79d7de9b5.f1c79d7de9b5.f1c79d7de9b5.f1c79d7de9b5.foreststream.net and mszw.net share IPs with studyworld2015.com.

Name Servers

Two name servers chip.ns.cloudflare.com and tia.ns.cloudflare.com handle the delegation for studyworld2015.com.

studyworld2015.com shares the same name server setup as other domains, for example med-rast.ru, realno.tv, apecgrmcoe.tw, admirableworld.com and sdep.fr.

studyworld2015.com at least partially shares name servers with other domains, for example brideinrussia.com, 0088hg888.com, topl.co, houstontexansnews.com and b-one.co.id.

These name servers are commonly used with nelly.ns.cloudflare.com and gwen.ns.cloudflare.com and ines.ns.cloudflare.com.

Host names with six IP numbers:

chip.ns.cloudflare.com points to 2606:4700:58::adf5:3b54, 2803:f800:50::6ca2:c154, 2a06:98c1:50::ac40:2154, 108.162.193.84, 172.64.33.84 and 173.245.59.84.

tia.ns.cloudflare.com points to 2606:4700:50::adf5:3ae5, 2803:f800:50::6ca2:c0e5, 2a06:98c1:50::ac40:20e5, 108.162.192.229, 172.64.32.229 and 173.245.58.229.

studyworld2015.com - robtex.com