insightstudy.kr - robtex.com

insightstudy.kr

DNSSEC⚠️ Not signed
A13.33.109.34πŸ‡ΊπŸ‡Έ Amazon13.33.109.0/24 - Cloudfront
PTRserver-13-33-109-34.bos50.r.cloudfront.net
A13.33.109.104πŸ‡ΊπŸ‡Έ Amazon13.33.109.0/24 - Cloudfront
A13.33.109.122πŸ‡ΊπŸ‡Έ Amazon13.33.109.0/24 - Cloudfront
A13.33.109.129πŸ‡ΊπŸ‡Έ Amazon13.33.109.0/24 - Cloudfront
NSans1.hostcocoa.com ⭐
A205.251.192.117πŸ‡ΊπŸ‡Έ Amazon205.251.192.0/24 prefix
PTRns-117.awsdns-14.com
NSans2.hostcocoa.com
A205.251.195.46πŸ‡ΊπŸ‡Έ Amazon205.251.195.0/24 prefix
PTRns-814.awsdns-37.net
NSans3.hostcocoa.com
A205.251.197.133πŸ‡ΊπŸ‡Έ Amazon205.251.197.0/24 prefix
PTRns-1413.awsdns-48.org
NSans4.hostcocoa.com
A205.251.198.221πŸ‡ΊπŸ‡Έ Amazon205.251.198.0/24 prefix
PTRns-1757.awsdns-27.co.uk
MXsmtp.google.com ⭐
A2607:f8b0:4004:c06::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbg-in-f27.1e100.net
A2607:f8b0:4004:c08::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbi-in-f27.1e100.net
A2607:f8b0:4004:c09::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbh-in-f26.1e100.net
A2607:f8b0:4004:c09::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbh-in-f27.1e100.net
A172.253.63.26πŸ‡ΊπŸ‡Έ Google172.253.63.0/24
PTRbi-in-f26.1e100.net
A172.253.63.27πŸ‡ΊπŸ‡Έ Google172.253.63.0/24
PTRbi-in-f27.1e100.net
A172.253.115.26πŸ‡ΊπŸ‡Έ Google172.253.115.0/24
PTRbg-in-f26.1e100.net
A172.253.122.26πŸ‡ΊπŸ‡Έ Google172.253.122.0/24
PTRbh-in-f26.1e100.net
A172.253.122.27πŸ‡ΊπŸ‡Έ Google172.253.122.0/24
PTRbh-in-f27.1e100.net
TXTgoogle-site-verification=q94sScSGJTxYVdPpGtNhMEc8VgHVzr0LXEI-Us104aI
TXTv=spf1 ip4:52.79.92.223 ~all
SOAans1.hostcocoa.comawsdns-hostmaster@amazon.com serial=1

kr

DNSSECπŸ”’ Signed (DS record present)
NSg.dns.kr ⭐
NSb.dns.kr
NSc.dns.kr
NSd.dns.kr
NSe.dns.kr
NSf.dns.kr
SOAg.dns.krdomain-manager@nic.or.kr serial=2604281021

Same first word

DNS History

21 records (9 active, 12 former)

NSans1.hostcocoa.comans2.hostcocoa.comans3.hostcocoa.comans4.hostcocoa.comMXsmtp.google.comA13.33.109.10413.33.109.12213.33.109.12913.33.109.343.166.160.1143.166.160.703.166.160.753.166.160.9654.230.201.12154.230.201.6154.230.201.754.230.201.9954.230.253.12654.230.253.3354.230.253.3554.230.253.63
●NSans1.hostcocoa.com2026-04-19 β†’ 2026-04-28 Β· 2 obs
● 2026-04-19 08:56:26
● 2026-04-28 17:51:52
●NSans2.hostcocoa.com2026-04-19 β†’ 2026-04-28 Β· 2 obs
● 2026-04-19 08:56:26
● 2026-04-28 17:51:52
●NSans3.hostcocoa.com2026-04-19 β†’ 2026-04-28 Β· 2 obs
● 2026-04-19 08:56:26
● 2026-04-28 17:51:52
●NSans4.hostcocoa.com2026-04-19 β†’ 2026-04-28 Β· 2 obs
● 2026-04-19 08:56:26
● 2026-04-28 17:51:52
●MXsmtp.google.com2026-04-19 β†’ 2026-04-28 Β· 2 obs
● 2026-04-19 08:56:26
● 2026-04-28 17:51:52
●A13.33.109.1042026-04-22 β†’ 2026-04-28 Β· 6 obs
β—‹ 2026-04-19 17:37:48
● 2026-04-22 05:33:10
β—‹ 2026-04-22 11:07:06
β—‹ 2026-04-23 18:18:34
● 2026-04-28 17:51:50
● 2026-04-28 17:51:52
●A13.33.109.1222026-04-22 β†’ 2026-04-28 Β· 6 obs
β—‹ 2026-04-19 17:37:48
● 2026-04-22 05:33:10
β—‹ 2026-04-22 11:07:06
β—‹ 2026-04-23 18:18:34
● 2026-04-28 17:51:50
● 2026-04-28 17:51:52
●A13.33.109.1292026-04-22 β†’ 2026-04-28 Β· 6 obs
β—‹ 2026-04-19 17:37:48
● 2026-04-22 05:33:10
β—‹ 2026-04-22 11:07:06
β—‹ 2026-04-23 18:18:34
● 2026-04-28 17:51:50
● 2026-04-28 17:51:52
●A13.33.109.342026-04-22 β†’ 2026-04-28 Β· 6 obs
β—‹ 2026-04-19 17:37:48
● 2026-04-22 05:33:10
β—‹ 2026-04-22 11:07:06
β—‹ 2026-04-23 18:18:34
● 2026-04-28 17:51:50
● 2026-04-28 17:51:52
β—‹A3.166.160.1142026-04-19 β†’ 2026-04-23 Β· 8 obs
β—‹ 2026-04-19 08:56:26
● 2026-04-19 17:37:48
β—‹ 2026-04-22 05:33:10
● 2026-04-22 11:07:06
β—‹ 2026-04-23 01:48:02
● 2026-04-23 16:11:36
β—‹ 2026-04-23 18:18:34
β—‹ 2026-04-28 17:51:52
β—‹A3.166.160.702026-04-19 β†’ 2026-04-23 Β· 8 obs
β—‹ 2026-04-19 08:56:26
● 2026-04-19 17:37:48
β—‹ 2026-04-22 05:33:10
● 2026-04-22 11:07:06
β—‹ 2026-04-23 01:48:02
● 2026-04-23 16:11:36
β—‹ 2026-04-23 18:18:34
β—‹ 2026-04-28 17:51:52
β—‹A3.166.160.752026-04-19 β†’ 2026-04-23 Β· 8 obs
β—‹ 2026-04-19 08:56:26
● 2026-04-19 17:37:48
β—‹ 2026-04-22 05:33:10
● 2026-04-22 11:07:06
β—‹ 2026-04-23 01:48:02
● 2026-04-23 16:11:36
β—‹ 2026-04-23 18:18:34
β—‹ 2026-04-28 17:51:52
β—‹A3.166.160.962026-04-19 β†’ 2026-04-23 Β· 8 obs
β—‹ 2026-04-19 08:56:26
● 2026-04-19 17:37:48
β—‹ 2026-04-22 05:33:10
● 2026-04-22 11:07:06
β—‹ 2026-04-23 01:48:02
● 2026-04-23 16:11:36
β—‹ 2026-04-23 18:18:34
β—‹ 2026-04-28 17:51:52
β—‹A54.230.201.1212026-04-23 β†’ 2026-04-23 Β· 6 obs
β—‹ 2026-04-22 11:07:06
● 2026-04-23 01:48:02
β—‹ 2026-04-23 16:11:36
● 2026-04-23 18:18:34
β—‹ 2026-04-28 17:51:50
β—‹ 2026-04-28 17:51:52
β—‹A54.230.201.612026-04-23 β†’ 2026-04-23 Β· 6 obs
β—‹ 2026-04-22 11:07:06
● 2026-04-23 01:48:02
β—‹ 2026-04-23 16:11:36
● 2026-04-23 18:18:34
β—‹ 2026-04-28 17:51:50
β—‹ 2026-04-28 17:51:52
β—‹A54.230.201.72026-04-23 β†’ 2026-04-23 Β· 6 obs
β—‹ 2026-04-22 11:07:06
● 2026-04-23 01:48:02
β—‹ 2026-04-23 16:11:36
● 2026-04-23 18:18:34
β—‹ 2026-04-28 17:51:50
β—‹ 2026-04-28 17:51:52
β—‹A54.230.201.992026-04-23 β†’ 2026-04-23 Β· 6 obs
β—‹ 2026-04-22 11:07:06
● 2026-04-23 01:48:02
β—‹ 2026-04-23 16:11:36
● 2026-04-23 18:18:34
β—‹ 2026-04-28 17:51:50
β—‹ 2026-04-28 17:51:52
β—‹A54.230.253.1262026-04-19 β†’ 2026-04-19 Β· 3 obs
● 2026-04-19 08:56:26
β—‹ 2026-04-19 17:37:48
β—‹ 2026-04-28 17:51:52
β—‹A54.230.253.332026-04-19 β†’ 2026-04-19 Β· 3 obs
● 2026-04-19 08:56:26
β—‹ 2026-04-19 17:37:48
β—‹ 2026-04-28 17:51:52
β—‹A54.230.253.352026-04-19 β†’ 2026-04-19 Β· 3 obs
● 2026-04-19 08:56:26
β—‹ 2026-04-19 17:37:48
β—‹ 2026-04-28 17:51:52
β—‹A54.230.253.632026-04-19 β†’ 2026-04-19 Β· 3 obs
● 2026-04-19 08:56:26
β—‹ 2026-04-19 17:37:48
β—‹ 2026-04-28 17:51:52

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
krb.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...-
insightstudy.krans4.hostcocoa.com, ans3.hostcocoa.com, ans1.hostcocoa.com, ans2.hostcocoa.com-

βœ… Authoritative Response

Server:205.251.195.46

NS records: ans4.hostcocoa.com, ans3.hostcocoa.com, ans1.hostcocoa.com, ans2.hostcocoa.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for insightstudy.kr (unsigned zone)

⏱️ Timing

Total: 998ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A413.33.109.104, 13.33.109.122...
NS4ans1.hostcocoa.com, ans2.hostcocoa.com...
MX1smtp.google.com (pri: 1)
TXT2google-site-verification=q94sScSGJTxYVdP, v=spf1 ip4:52.79.92.223 ~all
SOA1ans1.hostcocoa.com awsdns-hostmaster.ama

Analysis

IP Addresses

insightstudy.kr refers to four IP numbers: 13.33.109.34, 13.33.109.104, 13.33.109.122 and 13.33.109.129.

Other host names, for instance dg9f0y5z7m1hr.cloudfront.net, d2xphebhc1ik14.cloudfront.net, 00004001-crowdin-sync.dev.atg.se, adtppmapa02ws2024i20.dev.atg.se and home.practico-extranjeria.es share IP numbers with insightstudy.kr.

Name Servers

insightstudy.kr delegates to four name servers: ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com and ans4.hostcocoa.com.

insightstudy.kr at least partially shares name servers with other domains, including 247security.co.kr, myfuturelab.com, personalobject.com, kiwiorigin.com and ewash.co.kr.

Host names with one IP number:

ans1.hostcocoa.com points to 205.251.192.117; ans2.hostcocoa.com points to 205.251.195.46; ans3.hostcocoa.com points to 205.251.197.133; ans4.hostcocoa.com points to 205.251.198.221.

Mail Servers

A single mail server handles insightstudy.kr, smtp.google.com.

insightstudy.kr shares the same mail server setup as other domains, for instance arteria24.pl, muratsu.com.tr, xoobay.com, bookbot.nl and centrechiroexpress.com.

insightstudy.kr shares at least some mail servers with other domains, for example dkg.ca, imaginusnorth.com, clovehitch.ca, kushii.net and steeldecks.com.au.

These mail servers are commonly used with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx.l.google.com.

Hostname smtp.google.com points to nine IP numbers: 2607:f8b0:4004:c06::1b, 2607:f8b0:4004:c08::1b, 2607:f8b0:4004:c09::1a, 2607:f8b0:4004:c09::1b, 172.253.63.26, 172.253.63.27, 172.253.115.26, 172.253.122.26 and 172.253.122.27.