study1.com - dns.ninja

`study1.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:8b9^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9dcd^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.8.185^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.157.205^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`karina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`karina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`karina.ns.cloudflare.com`
		A	108.162.192.178^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
		A	172.64.32.178^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
		A	173.245.58.178^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
NS	`lamar.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c38e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lamar.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:238e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lamar.ns.cloudflare.com`
		A	108.162.195.142^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
		A	162.159.44.142^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
		A	172.64.35.142^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
MX	`mx.ym.163.com` ⭐
		A	111.124.200.35^{🇨🇳 AS139203111.124.192.0/19 GuiZhou telecom GuiAn IDC}
TXT	`google-site-verification=kwZUiBTiXKSymieZi4rhSZagzfTVAj4jRHe9hmaOy_8`
TXT	`v=spf1 include:spf.163.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.8.185, 172.67.157.205
		IPv6 hints	2606:4700:3030::6815:8b9, 2606:4700:3037::ac43:9dcd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=104, name=cloudflare-ech.com
SOA	`karina.ns.cloudflare.com`dns@cloudflare.com serial=2411526308

`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=1786307694

Same first word

study1.com

study1.xyz

study1.net

study1.de

study1.jp

Similar names

1study.com

1study.net

DNS History

15 records (7 active, 8 former)

●NSkarina.ns.cloudflare.com2026-03-04 → 2026-08-09 · 3 obs

○ 2017-05-12 17:53:46
● 2026-03-04 12:05:20
● 2026-08-09 20:48:42

●NSlamar.ns.cloudflare.com2026-03-04 → 2026-08-09 · 3 obs

○ 2017-05-12 17:53:46
● 2026-03-04 12:05:20
● 2026-08-09 20:48:42

○NSns1.above.com2015-06-07 → 2017-05-12 · 4 obs

● 2015-06-07 01:34:20
● 2017-05-12 17:53:46
○ 2026-03-04 12:05:20
○ 2026-08-09 20:48:42

○NSns2.above.com2015-06-07 → 2017-05-12 · 4 obs

● 2015-06-07 01:34:20
● 2017-05-12 17:53:46
○ 2026-03-04 12:05:20
○ 2026-08-09 20:48:42

○MXmail.post-host.net2015-06-07 → 2016-04-14 · 4 obs

● 2015-06-07 01:34:20
● 2016-04-14 14:18:58
○ 2017-05-12 17:53:46
○ 2026-08-09 20:48:42

●MXmx.ym.163.com2026-03-04 → 2026-08-09 · 3 obs

○ 2017-05-12 17:53:46
● 2026-03-04 12:05:20
● 2026-08-09 20:48:42

○MXmx92.m1bp.com2017-05-12 → 2017-05-12 · 4 obs

○ 2016-04-14 14:18:58
● 2017-05-12 17:53:46
○ 2026-03-04 12:05:20
○ 2026-08-09 20:48:42

○MXmx92.mb5p.com2017-05-12 → 2017-05-12 · 4 obs

○ 2016-04-14 14:18:58
● 2017-05-12 17:53:46
○ 2026-03-04 12:05:20
○ 2026-08-09 20:48:42

○A103.224.182.2422015-06-07 → 2017-05-12 · 4 obs

● 2015-06-07 01:34:20
● 2017-05-12 17:53:46
○ 2026-03-04 12:05:20
○ 2026-08-09 20:48:42

●A104.21.8.1852026-03-04 → 2026-08-09 · 3 obs

○ 2017-05-12 17:53:46
● 2026-03-04 12:05:20
● 2026-08-09 20:48:42

●A172.67.157.2052026-03-04 → 2026-08-09 · 3 obs

○ 2017-05-12 17:53:46
● 2026-03-04 12:05:20
● 2026-08-09 20:48:42

●A2606:4700:3030::6815:8b92026-07-02 → 2026-08-09 · 3 obs

○ 2026-05-26 10:33:46
● 2026-07-02 22:33:44
● 2026-08-09 20:48:42

○A2606:4700:3033::6815:8b92026-03-04 → 2026-05-26 · 5 obs

○ 2017-05-12 17:53:46
● 2026-03-04 12:05:20
● 2026-05-26 10:33:46
○ 2026-07-02 22:33:44
○ 2026-08-09 20:48:42

○A2606:4700:3035::ac43:9dcd2026-03-04 → 2026-05-26 · 5 obs

○ 2017-05-12 17:53:46
● 2026-03-04 12:05:20
● 2026-05-26 10:33:46
○ 2026-07-02 22:33:44
○ 2026-08-09 20:48:42

●A2606:4700:3037::ac43:9dcd2026-07-02 → 2026-08-09 · 3 obs

○ 2026-05-26 10:33:46
● 2026-07-02 22:33:44
● 2026-08-09 20:48:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net...	-
study1.com	karina.ns.cloudflare.com, lamar.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.178

NS records: karina.ns.cloudflare.com, lamar.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study1.com (unsigned zone)

⏱️ Timing

Total: 386ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.8.185, 172.67.157.205`
AAAA	2	`2606:4700:3030::6815:8b9, 2606:4700:3037::ac43:9dcd`
NS	2	`karina.ns.cloudflare.com, lamar.ns.cloudflare.com`
MX	1	`mx.ym.163.com (pri: 5)`
TXT	2	`google-site-verification=kwZUiBTiXKSymie, v=spf1 include:spf.163.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`karina.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

study1.com directs to four IP numbers, which are 104.21.8.185, 172.67.157.205, 2606:4700:3030::6815:8b9 and 2606:4700:3037::ac43:9dcd.

Additional host names — broodsmusic.com, qccy.net, chinaxna.com and two others — share IP numbers with study1.com.

Name Servers

study1.com is delegated to two name servers: karina.ns.cloudflare.com and lamar.ns.cloudflare.com.

study1.com shares its name server setup with other domains, including parksatchehaw.org, scotlandchinese.com, lonese.com and two others.

At least some of study1.com's name servers are shared with other domains, for example konfeo.pro, konexx.com, 1799.ws and two more.

It is common for these name servers to be used in conjunction with the name servers daniella.ns.cloudflare.com, phoenix.ns.cloudflare.com and ziggy.ns.cloudflare.com.

Host names with 6 IP numbers:

karina.ns.cloudflare.com resolves to 108.162.192.178, 172.64.32.178, 173.245.58.178 and 3 other IP addresses.

lamar.ns.cloudflare.com resolves to 108.162.195.142, 162.159.44.142, 172.64.35.142 and 3 other IP addresses.

Mail Servers

study1.com has one mail server: mx.ym.163.com.

study1.com shares the same mail server setup as other domains, including buybuygood.com, afbx.com, gzrichway.com and two others.

study1.com shares mail servers — at least in part — with other domains, including flyiu.com, toeasytrip.com, seawit.cn and two others.

These mail servers are frequently used alongside mail servers mxn.mxhichina.com, mxw.mxhichina.com, mx1.qiye.aliyun.com and 4 other.

mx.ym.163.com resolves to a single IP number: 111.124.200.35.