iyosu.com - robtex.com

iyosu.com

DNSSEC⚠️ Not signed
A218.146.255.197🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSiyosu.com ⭐
A218.146.255.197🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSns1.kcrone.net
A52.79.148.128🇰🇷 Amazon52.79.128.0/17 EC2 ICN prefix
PTRec2-52-79-148-128.ap-northeast-2.compute.amazonaws.com
NSns2.kcrone.net
A52.79.189.238🇰🇷 Amazon52.79.128.0/17 EC2 ICN prefix
PTRec2-52-79-189-238.ap-northeast-2.compute.amazonaws.com
TXTv=spf1 ip4:218.146.255.197 ip4:218.146.255.198 ~all
SOAiyosu.comroot@@iyosu.com 2022-01-01 #23

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1777491641

NS for

iyosu.com

Previously NS for

postmaster.iyosu.com

Subdomains

postmaster.iyosu.com

Same first word

iyosu.com

Similar names

yousi.tv
suoyi.net.cn
siyou.com
syiou.com
yisou.com
yisou.cn
yisuo.com.cn
yisuo.com
uyios.com
isouy.com
yousi.co
isyou.nl
yousi.com
iyous.com
iyous.cn
suiyo.com
yoisu.com
isyou.com.br
yisuo.org
yosui.com
souyi.com
soyui.com
isoyu.com
suiyo.com.tw
syoui.com
yisou.org
yisuo.cn
yisou.cc
youis.cn
yousi.cn
siyuo.com
sioyu.com
yisuo.net.cn
iysou.com
oiuys.com
syoui.cn
siyou.nl
siyou.net
yisou.net
youis.com
suoyi.me
suoyi.net
yosui.co.jp
uoyis.com
ouyis.com
yisuo.net
siyou.org.cn
yisou.eu
yosiu.com
youis.org
isyou.jp
isyou.com

DNS History

17 records (4 active, 13 former)

200920112013201520172019202120232025NSiyosu.comns1.kcrone.netns2.kcrone.netns.gabia.co.krns.gabia.co.kr.iyosu.comns.gabia.netns.iyosu.comns1.gabia.co.krns1.iyosu.comns2.iyosu.comns3.iyosu.comMXrhswssd-0008.fmcity.comrmw-002.fmcity.comA218.146.255.197118.218.219.78175.126.38.103183.111.141.66
●NSiyosu.com2015-08-04 → 2026-04-29 · 7 obs
○ 2008-03-20 13:41:38
● 2015-08-04 05:02:44
● 2016-07-08 05:47:34
○ 2017-03-31 00:51:18
○ 2018-08-30 11:20:26
● 2026-04-14 08:26:20
● 2026-04-29 19:59:50
○NSns.gabia.co.kr2017-03-31 → 2018-08-30 · 5 obs
○ 2016-07-08 05:47:34
● 2017-03-31 00:51:18
● 2018-08-30 11:20:26
○ 2026-04-14 08:26:20
○ 2026-04-29 19:59:50
○NSns.gabia.co.kr.iyosu.com2017-03-31 → 2018-08-30 · 5 obs
○ 2016-07-08 05:47:34
● 2017-03-31 00:51:18
● 2018-08-30 11:20:26
○ 2026-04-14 08:26:20
○ 2026-04-29 19:59:50
○NSns.gabia.net2017-03-31 → 2018-08-30 · 5 obs
○ 2016-07-08 05:47:34
● 2017-03-31 00:51:18
● 2018-08-30 11:20:26
○ 2026-04-14 08:26:20
○ 2026-04-29 19:59:50
○NSns.iyosu.com2015-08-04 → 2016-07-08 · 5 obs
○ 2008-03-20 13:41:38
● 2015-08-04 05:02:44
● 2016-07-08 05:47:34
○ 2017-03-31 00:51:18
○ 2026-04-29 19:59:50
○NSns1.gabia.co.kr2017-03-31 → 2018-08-30 · 5 obs
○ 2016-07-08 05:47:34
● 2017-03-31 00:51:18
● 2018-08-30 11:20:26
○ 2026-04-14 08:26:20
○ 2026-04-29 19:59:50
○NSns1.iyosu.com2015-08-04 → 2016-07-08 · 5 obs
○ 2008-03-20 13:41:38
● 2015-08-04 05:02:44
● 2016-07-08 05:47:34
○ 2017-03-31 00:51:18
○ 2026-04-29 19:59:50
●NSns1.kcrone.net2026-04-14 → 2026-04-29 · 3 obs
○ 2018-08-30 11:20:26
● 2026-04-14 08:26:20
● 2026-04-29 19:59:50
○NSns2.iyosu.com2015-08-04 → 2016-07-08 · 5 obs
○ 2008-03-20 13:41:38
● 2015-08-04 05:02:44
● 2016-07-08 05:47:34
○ 2017-03-31 00:51:18
○ 2026-04-29 19:59:50
●NSns2.kcrone.net2026-04-14 → 2026-04-29 · 3 obs
○ 2018-08-30 11:20:26
● 2026-04-14 08:26:20
● 2026-04-29 19:59:50
○NSns3.iyosu.com2015-08-04 → 2016-07-08 · 5 obs
○ 2008-03-20 13:41:38
● 2015-08-04 05:02:44
● 2016-07-08 05:47:34
○ 2017-03-31 00:51:18
○ 2026-04-29 19:59:50
○MXrhswssd-0008.fmcity.com2015-12-11 → 2016-07-08 · 5 obs
○ 2015-08-04 05:02:44
● 2015-12-11 01:54:14
● 2016-07-08 05:47:34
○ 2017-03-31 00:51:18
○ 2026-04-29 19:59:50
○MXrmw-002.fmcity.com2015-08-04 → 2015-08-04 · 4 obs
○ 2008-03-20 13:41:38
● 2015-08-04 05:02:44
○ 2015-12-11 01:54:14
○ 2026-04-29 19:59:50
○A118.218.219.782015-12-11 → 2016-07-08 · 5 obs
○ 2015-08-04 05:02:44
● 2015-12-11 01:54:14
● 2016-07-08 05:47:34
○ 2017-03-31 00:51:18
○ 2026-04-29 19:59:50
○A175.126.38.1032017-03-31 → 2018-08-30 · 5 obs
○ 2016-07-08 05:47:34
● 2017-03-31 00:51:18
● 2018-08-30 11:20:26
○ 2026-04-14 08:26:20
○ 2026-04-29 19:59:50
○A183.111.141.662015-08-04 → 2015-08-04 · 4 obs
○ 2008-03-20 13:41:38
● 2015-08-04 05:02:44
○ 2015-12-11 01:54:14
○ 2026-04-29 19:59:50
●A218.146.255.1972026-04-14 → 2026-04-29 · 3 obs
○ 2018-08-30 11:20:26
● 2026-04-14 08:26:20
● 2026-04-29 19:59:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...-
iyosu.comns1.kcrone.net, ns2.kcrone.net-

✅ Authoritative Response

Server:52.79.148.128

NS records: ns1.kcrone.net, ns2.kcrone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iyosu.com (unsigned zone)

⏱️ Timing

Total: 1271ms | Queries: -

📄 Records

TypeCountSample Data
A1218.146.255.197
NS2ns1.kcrone.net, ns2.kcrone.net
TXT1v=spf1 ip4:218.146.255.197 ip4:218.146.2
SOA1iyosu.com root@.iyosu.com

Analysis

Hierarchy

The parent of postmaster.iyosu.com is iyosu.com.

Name Server Role

iyosu.com serves as a name server for iyosu.com.

ns1.kcrone.net and ns2.kcrone.net are commonly used as name servers along with iyosu.com.

IP Addresses

iyosu.com points to IP number: 218.146.255.197.

Other host names such as kcrone.net, happyulsan.co.kr, cakcr.co.kr, 4989ulsan.co.kr and newdns.ulsankyocharo.com share IPs with iyosu.com.

Name Servers

iyosu.com is delegated to three name servers: iyosu.com, ns1.kcrone.net and ns2.kcrone.net.

iyosu.com at least partially shares name servers with other domains, for instance mpsrb.com, kcrone.net, happyulsan.co.kr, cakcr.co.kr and 4989ulsan.co.kr.

these name servers are commonly used together with the name servers ulsankyocharo.co.kr, ulsankyocharo.net, iyeosu.com, ulsankyocharo.com and ulsansosik.com.

Host names with a single IP:

iyosu.com points to: 218.146.255.197.

ns1.kcrone.net points to: 52.79.148.128.

ns2.kcrone.net points to: 52.79.189.238.