`cstudyabroad.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:6f5^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8780^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.6.245^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.128^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kiki.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kiki.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kiki.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kiki.ns.cloudflare.com`
		A	108.162.192.180^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kiki.ns.cloudflare.com`
		A	172.64.32.180^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kiki.ns.cloudflare.com`
		A	173.245.58.180^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kiki.ns.cloudflare.com`
NS	`mark.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b82^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c182^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mark.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2182^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mark.ns.cloudflare.com`
		A	108.162.193.130^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	172.64.33.130^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	173.245.59.130^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
TXT	`ca3-627ce7323fcc48c3b6389d62817c9848`
TXT	`google-site-verification=WxuLV1-6Ihz7gQnjACImNqCdVijlLJGowirhjtANW5s`
TXT	`v=spf1 include:secureserver.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.6.245, 172.67.135.128
		IPv6 hints	2606:4700:3031::6815:6f5, 2606:4700:3036::ac43:8780
SOA	`kiki.ns.cloudflare.com`dns@cloudflare.com serial=2408148438

`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=1786390234

Same first word

cstudyabroad.com

DNS History

19 records (8 active, 11 former)

○NSdns25.hichina.com2015-08-25 → 2017-04-04 · 4 obs

● 2015-08-25 08:17:24
● 2017-04-04 00:05:04
○ 2026-05-18 16:02:36
○ 2026-08-10 19:39:24

○NSdns26.hichina.com2015-08-25 → 2017-04-04 · 4 obs

● 2015-08-25 08:17:24
● 2017-04-04 00:05:04
○ 2026-05-18 16:02:36
○ 2026-08-10 19:39:24

●NSkiki.ns.cloudflare.com2026-05-18 → 2026-08-10 · 3 obs

○ 2017-04-04 00:05:04
● 2026-05-18 16:02:36
● 2026-08-10 19:39:24

●NSmark.ns.cloudflare.com2026-05-18 → 2026-08-10 · 3 obs

○ 2017-04-04 00:05:04
● 2026-05-18 16:02:36
● 2026-08-10 19:39:24

●MXmailstore1.secureserver.net2026-05-18 → 2026-08-10 · 3 obs

○ 2017-04-04 00:05:04
● 2026-05-18 16:02:36
● 2026-08-10 19:39:24

○MXmxn.mxhichina.com2015-08-25 → 2017-04-04 · 4 obs

● 2015-08-25 08:17:24
● 2017-04-04 00:05:04
○ 2026-05-18 16:02:36
○ 2026-08-10 19:39:24

○MXmxw.mxhichina.com2015-08-25 → 2017-04-04 · 4 obs

● 2015-08-25 08:17:24
● 2017-04-04 00:05:04
○ 2026-05-18 16:02:36
○ 2026-08-10 19:39:24

●MXsmtp.secureserver.net2026-05-18 → 2026-08-10 · 3 obs

○ 2017-04-04 00:05:04
● 2026-05-18 16:02:36
● 2026-08-10 19:39:24

●A104.21.6.2452026-05-18 → 2026-08-10 · 5 obs

○ 2017-04-04 00:05:04
● 2026-05-18 16:02:36
● 2026-05-29 13:53:56
○ 2026-06-13 23:51:10
● 2026-08-10 19:39:24

○A116.255.187.552015-08-25 → 2016-08-10 · 4 obs

● 2015-08-25 08:17:24
● 2016-08-10 17:17:30
○ 2017-04-04 00:05:04
○ 2026-08-10 19:39:24

●A172.67.135.1282026-05-18 → 2026-08-10 · 5 obs

○ 2017-04-04 00:05:04
● 2026-05-18 16:02:36
● 2026-05-29 13:53:56
○ 2026-06-13 23:51:10
● 2026-08-10 19:39:24

○A188.114.96.02026-06-13 → 2026-06-13 · 3 obs

○ 2026-05-29 13:53:56
● 2026-06-13 23:51:10
○ 2026-08-10 19:39:24

○A188.114.97.02026-06-13 → 2026-06-13 · 3 obs

○ 2026-05-29 13:53:56
● 2026-06-13 23:51:10
○ 2026-08-10 19:39:24

○A192.163.244.2522017-04-04 → 2017-04-04 · 4 obs

○ 2016-08-10 17:17:30
● 2017-04-04 00:05:04
○ 2026-05-18 16:02:36
○ 2026-08-10 19:39:24

●A2606:4700:3031::6815:6f52026-08-10 → 2026-08-10 · 2 obs

○ 2026-06-13 23:51:10
● 2026-08-10 19:39:24

●A2606:4700:3036::ac43:87802026-05-18 → 2026-08-10 · 5 obs

○ 2017-04-04 00:05:04
● 2026-05-18 16:02:36
● 2026-05-29 13:53:56
○ 2026-06-13 23:51:10
● 2026-08-10 19:39:24

○A2606:4700:3037::6815:6f52026-05-18 → 2026-05-29 · 5 obs

○ 2017-04-04 00:05:04
● 2026-05-18 16:02:36
● 2026-05-29 13:53:56
○ 2026-06-13 23:51:10
○ 2026-08-10 19:39:24

○A2a06:98c1:3120::2026-06-13 → 2026-06-13 · 3 obs

○ 2026-05-29 13:53:56
● 2026-06-13 23:51:10
○ 2026-08-10 19:39:24

○A2a06:98c1:3121::2026-06-13 → 2026-06-13 · 3 obs

○ 2026-05-29 13:53:56
● 2026-06-13 23:51:10
○ 2026-08-10 19:39:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net...	-
cstudyabroad.com	mark.ns.cloudflare.com, kiki.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.180

NS records: mark.ns.cloudflare.com, kiki.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cstudyabroad.com (unsigned zone)

⏱️ Timing

Total: 301ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.6.245, 172.67.135.128`
AAAA	2	`2606:4700:3036::ac43:8780, 2606:4700:3031::6815:6f5`
NS	2	`kiki.ns.cloudflare.com, mark.ns.cloudflare.com`
MX	2	`smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)`
TXT	3	`ca3-627ce7323fcc48c3b6389d62817c9848, google-site-verification=WxuLV1-6Ihz7gQn...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kiki.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cstudyabroad.com points to the four IP addresses 104.21.6.245, 172.67.135.128, 2606:4700:3031::6815:6f5 and 2606:4700:3036::ac43:8780.

Additional host names — crazytower-casino-de.net, www.hk3.com.my, bright360team.digital and two others — share IP numbers with cstudyabroad.com.

Name Servers

DNS delegation for cstudyabroad.com points to two name servers: kiki.ns.cloudflare.com and mark.ns.cloudflare.com.

cstudyabroad.com shares its name server setup with other domains, including builddeck.digital, casinoper947.com, cathprofstandards.com and two others.

The name servers of cstudyabroad.com overlap at least partially with those of other domains — among them nhl.net, valorithenqo.com, zappingtv.cl and two more.

These name servers commonly appear in combination with the name servers walt.ns.cloudflare.com.

Host names with 6 IP numbers:

kiki.ns.cloudflare.com has IP addresses 108.162.192.180, 172.64.32.180 and 173.245.58.180, plus 3 other.

mark.ns.cloudflare.com has IP addresses 108.162.193.130, 172.64.33.130 and 173.245.59.130, plus 3 other.

Mail Servers

cstudyabroad.com has two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.

cstudyabroad.com shares the same mail server setup as other domains, including casey-haeling.org, sinfulchocolates.net, bosstech.com and two others.

cstudyabroad.com has mail servers in common with other domains — mypocketschedules.com being one example.

Both mailstore1.secureserver.net and smtp.secureserver.net point to three IP numbers: mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162, while smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.

cstudyabroad.com - robtex.com