mail.hstudy.co.kr - robtex.com

mail.hstudy.co.kr

DNSSEC⚠️ Not signed
A218.236.90.205🇰🇷 SKB-NET218.236.0.0/14 SK Broadband
PTRmail.whoismail.net

hstudy.co.kr

DNSSEC⚠️ Not signed
A117.52.92.41🇰🇷 DACOM-NET117.52.0.0/16 contact center@kidc.net,(noc@bora.net if necessary,)
NSns11.iunetworks.com ⭐
NSns23.iunetworks.com
NSns37.iunetworks.com
NSns48.iunetworks.com ⚠️ Not in parent delegation
NSns59.iunetworks.com ⚠️ Not in parent delegation
MXmx1.daouoffice.com ⭐
MXmx2.daouoffice.com(5)
TXTMS=A885E58A89DE34EBF76B707CB142E200CC319611
TXTv=spf1 include:_spf.daouoffice.com ~all
SOAns11.iunetworks.comsystem@iunetworks.com 2021-03-05 #14

Previously MX for

hstudy.co.kr

Same first word

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DNS History

1 record (1 active, 0 former)

2017201820192020202120222023202420252026A218.236.90.205
●A218.236.90.2052016-07-30 → 2026-04-26 · 2 obs
● 2016-07-30 14:54:16
● 2026-04-26 22:27:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krc.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...-
hstudy.co.krns11.iunetworks.com, ns23.iunetworks.com, ns37.iunetworks.com-

✅ Authoritative Response

Server:3.35.115.59

NS records: ns11.iunetworks.com, ns23.iunetworks.com, ns37.iunetworks.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hstudy.co.kr (unsigned zone)

⏱️ Timing

Total: 1553ms | Queries: -

📄 Records

TypeCountSample Data
A1218.236.90.205

Analysis

IP Addresses

mail.hstudy.co.kr points to an IP address: 218.236.90.205.

other host names include mail.touchtouch.net, mail.mkeng.co.kr, mail.hansu.net, mail.noonnoppi.org and mail.econet-holdings.net; they share IP numbers with mail.hstudy.co.kr.