healthstudy.us - robtex.com

healthstudy.us

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:4e4a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:d9de🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.78.74Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.217.222🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScris.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cca🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
A2803:f800:50::6ca2:c3ca🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcris.ns.cloudflare.com
A2a06:98c1:50::ac40:23ca🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcris.ns.cloudflare.com
A108.162.195.202🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
A162.159.44.202Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
A172.64.35.202🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
NSshubhi.ns.cloudflare.com
A2606:4700:50::a29f:263f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshubhi.ns.cloudflare.com
A2803:f800:50::6ca2:c23f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRshubhi.ns.cloudflare.com
A2a06:98c1:50::ac40:223f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRshubhi.ns.cloudflare.com
A108.162.194.63🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshubhi.ns.cloudflare.com
A162.159.38.63Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshubhi.ns.cloudflare.com
A172.64.34.63🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshubhi.ns.cloudflare.com
TXTproxy-ssl.webflow.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.78.74, 172.67.217.222
IPv62606:4700:3032::6815:4e4a, 2606:4700:3033::ac43:d9de
SOAcris.ns.cloudflare.comdns@cloudflare.com serial=2399154017

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1774417871

Same first word

healthstudy.com
healthstudy.us
healthstudy.net

Similar names

studyhealth.org
studyhealth.com

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NScris.ns.cloudflare.comshubhi.ns.cloudflare.comdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comMXmail.healthstudy.usp.nsm.ctmail.comA104.21.78.74172.67.217.2222606:4700:3032::6815:4e4a2606:4700:3033::ac43:d9de172.64.80.1209.200.154.512606:4700:130:436c:6f75:6466:6c61:72658.5.1.41
●NScris.ns.cloudflare.com2026-02-23 → 2026-03-25 · 3 obs
○ 2018-08-16 15:50:38
● 2026-02-23 08:12:28
● 2026-03-25 06:18:38
○NSdns1.name-services.com2015-08-01 → 2018-08-16 · 4 obs
● 2015-08-01 02:09:18
● 2018-08-16 15:50:38
○ 2026-02-23 08:12:28
○ 2026-03-25 06:18:38
○NSdns2.name-services.com2015-08-01 → 2018-08-16 · 4 obs
● 2015-08-01 02:09:18
● 2018-08-16 15:50:38
○ 2026-02-23 08:12:28
○ 2026-03-25 06:18:38
○NSdns3.name-services.com2015-08-01 → 2018-08-16 · 4 obs
● 2015-08-01 02:09:18
● 2018-08-16 15:50:38
○ 2026-02-23 08:12:28
○ 2026-03-25 06:18:38
○NSdns4.name-services.com2015-08-01 → 2018-08-16 · 4 obs
● 2015-08-01 02:09:18
● 2018-08-16 15:50:38
○ 2026-02-23 08:12:28
○ 2026-03-25 06:18:38
●NSshubhi.ns.cloudflare.com2026-02-23 → 2026-03-25 · 3 obs
○ 2018-08-16 15:50:38
● 2026-02-23 08:12:28
● 2026-03-25 06:18:38
○MXmail.healthstudy.us2016-03-16 → 2018-08-16 · 5 obs
○ 2015-12-18 00:55:58
● 2016-03-16 03:31:32
● 2018-08-16 15:50:38
○ 2026-02-23 08:12:28
○ 2026-03-25 06:18:38
○MXp.nsm.ctmail.com2015-08-01 → 2015-12-18 · 4 obs
● 2015-08-01 02:09:18
● 2015-12-18 00:55:58
○ 2016-03-16 03:31:32
○ 2026-03-25 06:18:38
●A104.21.78.742026-02-23 → 2026-03-25 · 21 obs
○ 2018-08-16 15:50:38
● 2026-02-23 08:12:28
● 2026-02-23 20:43:26
○ 2026-02-24 00:10:18
● 2026-02-24 02:22:54
● 2026-02-26 21:18:06
○ 2026-02-27 00:17:00
● 2026-02-27 11:04:08
● 2026-03-06 01:10:56
○ 2026-03-06 02:13:56
● 2026-03-06 02:47:04
● 2026-03-07 14:49:16
○ 2026-03-08 00:10:56
● 2026-03-08 03:07:26
● 2026-03-09 15:51:58
○ 2026-03-10 00:12:56
● 2026-03-10 00:59:20
● 2026-03-12 23:29:16
○ 2026-03-13 00:11:12
● 2026-03-13 01:35:34
● 2026-03-25 06:18:38
○A172.64.80.12026-02-24 → 2026-03-13 · 19 obs
○ 2026-02-23 20:43:26
● 2026-02-24 00:10:18
○ 2026-02-24 02:22:54
○ 2026-02-26 21:18:06
● 2026-02-27 00:17:00
○ 2026-02-27 11:04:08
○ 2026-03-06 01:10:56
● 2026-03-06 02:13:56
○ 2026-03-06 02:47:04
○ 2026-03-07 14:49:16
● 2026-03-08 00:10:56
○ 2026-03-08 03:07:26
○ 2026-03-09 15:51:58
● 2026-03-10 00:12:56
○ 2026-03-10 00:59:20
○ 2026-03-12 23:29:16
● 2026-03-13 00:11:12
○ 2026-03-13 01:35:34
○ 2026-03-25 06:18:38
●A172.67.217.2222026-02-23 → 2026-03-25 · 21 obs
○ 2018-08-16 15:50:38
● 2026-02-23 08:12:28
● 2026-02-23 20:43:26
○ 2026-02-24 00:10:18
● 2026-02-24 02:22:54
● 2026-02-26 21:18:06
○ 2026-02-27 00:17:00
● 2026-02-27 11:04:08
● 2026-03-06 01:10:56
○ 2026-03-06 02:13:56
● 2026-03-06 02:47:04
● 2026-03-07 14:49:16
○ 2026-03-08 00:10:56
● 2026-03-08 03:07:26
● 2026-03-09 15:51:58
○ 2026-03-10 00:12:56
● 2026-03-10 00:59:20
● 2026-03-12 23:29:16
○ 2026-03-13 00:11:12
● 2026-03-13 01:35:34
● 2026-03-25 06:18:38
○A209.200.154.512018-08-16 → 2018-08-16 · 4 obs
○ 2016-12-22 20:43:10
● 2018-08-16 15:50:38
○ 2026-02-23 08:12:28
○ 2026-03-25 06:18:38
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-27 → 2026-03-13 · 19 obs
○ 2026-02-26 21:18:06
● 2026-02-27 00:17:00
○ 2026-02-27 11:04:08
○ 2026-03-04 12:32:18
● 2026-03-04 19:41:04
○ 2026-03-05 07:04:34
○ 2026-03-06 01:10:56
● 2026-03-06 02:13:56
○ 2026-03-06 02:47:04
○ 2026-03-09 15:51:58
● 2026-03-10 00:12:56
○ 2026-03-10 00:59:20
○ 2026-03-10 16:28:16
● 2026-03-11 00:11:46
○ 2026-03-11 02:35:00
○ 2026-03-12 23:29:16
● 2026-03-13 00:11:12
○ 2026-03-13 01:35:34
○ 2026-03-25 06:18:38
●A2606:4700:3032::6815:4e4a2026-02-23 → 2026-03-25 · 21 obs
○ 2018-08-16 15:50:38
● 2026-02-23 08:12:28
● 2026-02-26 21:18:06
○ 2026-02-27 00:17:00
● 2026-02-27 11:04:08
● 2026-03-04 12:32:18
○ 2026-03-04 19:41:04
● 2026-03-05 07:04:34
● 2026-03-06 01:10:56
○ 2026-03-06 02:13:56
● 2026-03-06 02:47:04
● 2026-03-09 15:51:58
○ 2026-03-10 00:12:56
● 2026-03-10 00:59:20
● 2026-03-10 16:28:16
○ 2026-03-11 00:11:46
● 2026-03-11 02:35:00
● 2026-03-12 23:29:16
○ 2026-03-13 00:11:12
● 2026-03-13 01:35:34
● 2026-03-25 06:18:38
●A2606:4700:3033::ac43:d9de2026-02-23 → 2026-03-25 · 21 obs
○ 2018-08-16 15:50:38
● 2026-02-23 08:12:28
● 2026-02-26 21:18:06
○ 2026-02-27 00:17:00
● 2026-02-27 11:04:08
● 2026-03-04 12:32:18
○ 2026-03-04 19:41:04
● 2026-03-05 07:04:34
● 2026-03-06 01:10:56
○ 2026-03-06 02:13:56
● 2026-03-06 02:47:04
● 2026-03-09 15:51:58
○ 2026-03-10 00:12:56
● 2026-03-10 00:59:20
● 2026-03-10 16:28:16
○ 2026-03-11 00:11:46
● 2026-03-11 02:35:00
● 2026-03-12 23:29:16
○ 2026-03-13 00:11:12
● 2026-03-13 01:35:34
● 2026-03-25 06:18:38
○A8.5.1.412015-08-01 → 2016-12-22 · 4 obs
● 2015-08-01 02:09:18
● 2016-12-22 20:43:10
○ 2018-08-16 15:50:38
○ 2026-03-25 06:18:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
healthstudy.uscris.ns.cloudflare.com, shubhi.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.63

NS records: cris.ns.cloudflare.com, shubhi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for healthstudy.us (unsigned zone)

⏱️ Timing

Total: 422ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.217.222, 104.21.78.74
AAAA22606:4700:3032::6815:4e4a, 2606:4700:3033::ac43:d9de
NS2cris.ns.cloudflare.com, shubhi.ns.cloudflare.com
TXT1proxy-ssl.webflow.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cris.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

healthstudy.us maps to four IP numbers: 2606:4700:3032::6815:4e4a, 2606:4700:3033::ac43:d9de, 104.21.78.74 and 172.67.217.222.

Other host names, for instance valorantenz.com, bangaloreproperties.com, crfg.org, wietnam.borychowski.pl and meetsu.net share IP numbers with healthstudy.us.

Name Servers

Two name servers cris.ns.cloudflare.com and shubhi.ns.cloudflare.com are delegated to healthstudy.us.

healthstudy.us shares the same name server setup with other domains. For instance, brimur.com, bolero.pl, gerona.ca and koalaboration.com.

healthstudy.us at least partially shares name servers with other domains such as up-link.info, angkatogelsgp.net, truelyhired.com, dayodesigns.com and fintriaprosoftware.com.

These name servers are commonly used with jamie.ns.cloudflare.com, sloan.ns.cloudflare.com, hank.ns.cloudflare.com and gerald.ns.cloudflare.com.

Host names with six IP numbers: Host name cris.ns.cloudflare.com points to 2606:4700:58::a29f:2cca, 2803:f800:50::6ca2:c3ca, 2a06:98c1:50::ac40:23ca, 108.162.195.202, 162.159.44.202 and 172.64.35.202; host name shubhi.ns.cloudflare.com points to 2606:4700:50::a29f:263f, 2803:f800:50::6ca2:c23f, 2a06:98c1:50::ac40:223f, 108.162.194.63, 162.159.38.63 and 172.64.34.63.