studyingcore.com - dns.ninja

`studyingcore.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:b479^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:53b2^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.83.178^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.180.121^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clint.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clint.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clint.ns.cloudflare.com`
		A	108.162.193.90^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	172.64.33.90^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	173.245.59.90^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
NS	`sunny.ns.cloudflare.com`
		A	2606:4700:50::a29f:26a6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sunny.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sunny.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sunny.ns.cloudflare.com`
		A	108.162.194.166^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sunny.ns.cloudflare.com`
		A	162.159.38.166^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sunny.ns.cloudflare.com`
		A	172.64.34.166^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sunny.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁶⁸⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁸²⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=A53KTZvo3CxcsARnteAxXbPH9H1s_KvoQAMEklJGOPE`
TXT	`v=spf1 include:_spf.mx.cloudflare.net include:amazonses.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.83.178, 172.67.180.121
		IPv6 hints	2606:4700:3032::ac43:b479, 2606:4700:3035::6815:53b2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOA	`clint.ns.cloudflare.com`dns@cloudflare.com serial=2410611353

`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=1786618374

Subdomains

ns1.studyingcore.com

Same first word

studyingcore.com

DNS History

14 records (9 active, 5 former)

●NSclint.ns.cloudflare.com2026-02-16 → 2026-08-13 · 2 obs

● 2026-02-16 07:19:58
● 2026-08-13 11:08:58

●NSsunny.ns.cloudflare.com2026-02-16 → 2026-08-13 · 2 obs

● 2026-02-16 07:19:58
● 2026-08-13 11:08:58

○MXmx1.privateemail.com2026-02-16 → 2026-05-28 · 4 obs

● 2026-02-16 07:19:58
● 2026-05-28 10:04:00
○ 2026-07-12 06:48:40
○ 2026-08-13 11:08:58

○MXmx2.privateemail.com2026-02-16 → 2026-05-28 · 4 obs

● 2026-02-16 07:19:58
● 2026-05-28 10:04:00
○ 2026-07-12 06:48:40
○ 2026-08-13 11:08:58

○MXns1.studyingcore.com2026-07-12 → 2026-07-12 · 4 obs

○ 2026-05-28 10:04:00
● 2026-07-12 06:48:40
○ 2026-07-23 06:05:40
○ 2026-08-13 11:08:58

●MXroute1.mx.cloudflare.net2026-07-23 → 2026-08-13 · 3 obs

○ 2026-07-12 06:48:40
● 2026-07-23 06:05:40
● 2026-08-13 11:08:58

●MXroute2.mx.cloudflare.net2026-07-23 → 2026-08-13 · 3 obs

○ 2026-07-12 06:48:40
● 2026-07-23 06:05:40
● 2026-08-13 11:08:58

●MXroute3.mx.cloudflare.net2026-07-23 → 2026-08-13 · 3 obs

○ 2026-07-12 06:48:40
● 2026-07-23 06:05:40
● 2026-08-13 11:08:58

●A104.21.83.1782026-02-16 → 2026-08-13 · 2 obs

● 2026-02-16 07:19:58
● 2026-08-13 11:08:58

●A172.67.180.1212026-02-16 → 2026-08-13 · 2 obs

● 2026-02-16 07:19:58
● 2026-08-13 11:08:58

●A2606:4700:3032::ac43:b4792026-07-12 → 2026-08-13 · 3 obs

○ 2026-05-28 10:04:00
● 2026-07-12 06:48:40
● 2026-08-13 11:08:58

○A2606:4700:3033::ac43:b4792026-02-16 → 2026-05-28 · 4 obs

● 2026-02-16 07:19:58
● 2026-05-28 10:04:00
○ 2026-07-12 06:48:40
○ 2026-08-13 11:08:58

●A2606:4700:3035::6815:53b22026-07-12 → 2026-08-13 · 3 obs

○ 2026-05-28 10:04:00
● 2026-07-12 06:48:40
● 2026-08-13 11:08:58

○A2606:4700:3037::6815:53b22026-02-16 → 2026-05-28 · 4 obs

● 2026-02-16 07:19:58
● 2026-05-28 10:04:00
○ 2026-07-12 06:48:40
○ 2026-08-13 11:08:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studyingcore.com	clint.ns.cloudflare.com, sunny.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.166

NS records: clint.ns.cloudflare.com, sunny.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyingcore.com (unsigned zone)

⏱️ Timing

Total: 204ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.83.178, 172.67.180.121`
AAAA	2	`2606:4700:3035::6815:53b2, 2606:4700:3032::ac43:b479`
NS	2	`clint.ns.cloudflare.com, sunny.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 38), route1.mx.cloudflare.net (pri: 68)...`
TXT	2	`google-site-verification=A53KTZvo3CxcsAR, v=spf1 include:_spf.mx.cloudflare.net in`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clint.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

ns1.studyingcore.com is a subdomain of studyingcore.com.

IP Addresses

studyingcore.com directs to four IP numbers, which are 104.21.83.178, 172.67.180.121, 2606:4700:3032::ac43:b479 and 2606:4700:3035::6815:53b2.

Additional host names — cleopatranova.com, polmeg.ru, extendedwarrantiesforcadillac.com and two others — share IP numbers with studyingcore.com.

Name Servers

studyingcore.com has two authoritative name servers — clint.ns.cloudflare.com and sunny.ns.cloudflare.com.

studyingcore.com uses the same name servers as served.top, pik-ingener.ru, pkcdrycleaners.com and streampop.com, among others.

The name servers of studyingcore.com overlap at least partially with those of other domains — among them chukyso247.vn, acsenagriscience.com, 62315c.com and two more.

These name servers commonly appear alongside the name servers sullivan.ns.cloudflare.com and wally.ns.cloudflare.com.

Host names with 6 IP numbers:

clint.ns.cloudflare.com points to 108.162.193.90, 172.64.33.90, 173.245.59.90 and 3 other IP addresses.

sunny.ns.cloudflare.com points to 108.162.194.166, 162.159.38.166, 172.64.34.166 and 3 other IP addresses.

Mail Servers

Mail for studyingcore.com is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

studyingcore.com shares mail servers — at least in part — with other domains, including robertturton.com, truyenlau.com, (0x706f726e)orips.com and two others.

Host names with 6 IP numbers:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.