`wcstudies.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:1b63^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8e3d^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.99^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.61^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chase.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c9c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chase.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chase.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chase.ns.cloudflare.com`
		A	108.162.195.156^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chase.ns.cloudflare.com`
		A	162.159.44.156^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chase.ns.cloudflare.com`
		A	172.64.35.156^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chase.ns.cloudflare.com`
NS	`noor.ns.cloudflare.com`
		A	2606:4700:50::a29f:264a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c24a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`noor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:224a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`noor.ns.cloudflare.com`
		A	108.162.194.74^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noor.ns.cloudflare.com`
		A	162.159.38.74^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noor.ns.cloudflare.com`
		A	172.64.34.74^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noor.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.99, 172.67.142.61
		IPv6 hints	2606:4700:3035::6815:1b63, 2606:4700:3037::ac43:8e3d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=58, name=cloudflare-ech.com
SOA	`chase.ns.cloudflare.com`dns@cloudflare.com serial=2410070515

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1786281524

Subdomains

www.wcstudies.org

Same first word

wcstudies.org

DNS History

20 records (6 active, 14 former)

●NSchase.ns.cloudflare.com2026-06-06 → 2026-08-09 · 3 obs

○ 2017-03-15 18:12:28
● 2026-06-06 18:36:40
● 2026-08-09 14:00:04

●NSnoor.ns.cloudflare.com2026-06-06 → 2026-08-09 · 3 obs

○ 2017-03-15 18:12:28
● 2026-06-06 18:36:40
● 2026-08-09 14:00:04

○NSns1.dot5hosting.com2015-05-29 → 2016-06-20 · 4 obs

● 2015-05-29 05:58:10
● 2016-06-20 00:14:56
○ 2017-03-15 18:12:28
○ 2026-08-09 14:00:04

○NSns1.zeppotext.com2017-03-15 → 2017-03-15 · 4 obs

○ 2016-06-20 00:14:56
● 2017-03-15 18:12:28
○ 2026-06-06 18:36:40
○ 2026-08-09 14:00:04

○NSns2.dot5hosting.com2015-05-29 → 2016-06-20 · 4 obs

● 2015-05-29 05:58:10
● 2016-06-20 00:14:56
○ 2017-03-15 18:12:28
○ 2026-08-09 14:00:04

○NSns2.zeppotext.com2017-03-15 → 2017-03-15 · 4 obs

○ 2016-06-20 00:14:56
● 2017-03-15 18:12:28
○ 2026-06-06 18:36:40
○ 2026-08-09 14:00:04

○MXmx.wcstudies.org2015-05-29 → 2016-06-20 · 4 obs

● 2015-05-29 05:58:10
● 2016-06-20 00:14:56
○ 2017-03-15 18:12:28
○ 2026-08-09 14:00:04

○A104.131.222.1272017-03-15 → 2017-03-15 · 4 obs

○ 2016-06-20 00:14:56
● 2017-03-15 18:12:28
○ 2026-06-06 18:36:40
○ 2026-08-09 14:00:04

●A104.21.27.992026-06-06 → 2026-08-09 · 6 obs

○ 2017-03-15 18:12:28
● 2026-06-06 18:36:40
● 2026-06-15 16:22:20
○ 2026-06-18 02:36:58
● 2026-07-21 09:13:16
● 2026-08-09 14:00:04

●A172.67.142.612026-06-06 → 2026-08-09 · 6 obs

○ 2017-03-15 18:12:28
● 2026-06-06 18:36:40
● 2026-06-15 16:22:20
○ 2026-06-18 02:36:58
● 2026-07-21 09:13:16
● 2026-08-09 14:00:04

○A188.114.96.02026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-15 16:22:20
● 2026-06-18 02:36:58
○ 2026-07-21 09:13:16
○ 2026-08-09 14:00:04

○A188.114.97.02026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-15 16:22:20
● 2026-06-18 02:36:58
○ 2026-07-21 09:13:16
○ 2026-08-09 14:00:04

○A2606:4700:3033::6815:1b632026-06-06 → 2026-06-15 · 5 obs

○ 2017-03-15 18:12:28
● 2026-06-06 18:36:40
● 2026-06-15 16:22:20
○ 2026-06-18 02:36:58
○ 2026-08-09 14:00:04

●A2606:4700:3035::6815:1b632026-07-21 → 2026-08-09 · 3 obs

○ 2026-06-18 02:36:58
● 2026-07-21 09:13:16
● 2026-08-09 14:00:04

○A2606:4700:3036::ac43:8e3d2026-06-06 → 2026-06-15 · 5 obs

○ 2017-03-15 18:12:28
● 2026-06-06 18:36:40
● 2026-06-15 16:22:20
○ 2026-06-18 02:36:58
○ 2026-08-09 14:00:04

●A2606:4700:3037::ac43:8e3d2026-07-21 → 2026-08-09 · 3 obs

○ 2026-06-18 02:36:58
● 2026-07-21 09:13:16
● 2026-08-09 14:00:04

○A2a06:98c1:3120::2026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-15 16:22:20
● 2026-06-18 02:36:58
○ 2026-07-21 09:13:16
○ 2026-08-09 14:00:04

○A2a06:98c1:3121::2026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-15 16:22:20
● 2026-06-18 02:36:58
○ 2026-07-21 09:13:16
○ 2026-08-09 14:00:04

○A66.96.133.162015-05-29 → 2015-11-15 · 4 obs

● 2015-05-29 05:58:10
● 2015-11-15 11:35:40
○ 2016-02-28 17:24:34
○ 2026-08-09 14:00:04

○A66.96.149.162016-02-28 → 2016-06-20 · 5 obs

○ 2015-11-15 11:35:40
● 2016-02-28 17:24:34
● 2016-06-20 00:14:56
○ 2017-03-15 18:12:28
○ 2026-08-09 14:00:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
wcstudies.org	chase.ns.cloudflare.com, noor.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.156

NS records: chase.ns.cloudflare.com, noor.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for wcstudies.org (unsigned zone)

⏱️ Timing

Total: 469ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.142.61, 104.21.27.99`
AAAA	2	`2606:4700:3035::6815:1b63, 2606:4700:3037::ac43:8e3d`
NS	2	`chase.ns.cloudflare.com, noor.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chase.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

wcstudies.org is the parent zone for www.wcstudies.org.

IP Addresses

wcstudies.org has four IP addresses: 104.21.27.99, 172.67.142.61, 2606:4700:3035::6815:1b63 and 2606:4700:3037::ac43:8e3d.

bbjl55.com, serutg279.xyz, www.asian(0x706f726e)pro.com and two other host names share IP numbers with wcstudies.org.

Name Servers

wcstudies.org uses two name servers for its delegation: chase.ns.cloudflare.com and noor.ns.cloudflare.com.

wcstudies.org uses the same name servers as several other domains — among them standrewspres.org, polytech-snab.ru, mbaapplications.in and two more.

wcstudies.org partially shares its NS delegation with several other domains, including lacriunitedclaimsolutions.com, edu-kids.ro, the-movie.ru and two others.

These name servers regularly co-occur with the name servers karsyn.ns.cloudflare.com, colin.ns.cloudflare.com and ed.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname chase.ns.cloudflare.com directs to 108.162.195.156, 162.159.44.156 and 172.64.35.156 along with 3 other IP addresses.

Hostname noor.ns.cloudflare.com directs to 108.162.194.74, 162.159.38.74 and 172.64.34.74 along with 3 other IP addresses.

wcstudies.org - robtex.com

wcstudies.org

org

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

`wcstudies.org`

`org`