gnu.ac.kr - dns.ninja

`gnu.ac.kr`

DNSSEC	⚠️ Not signed
A	103.55.189.199^{🇰🇷 DACOM-NET103.55.189.0/24}
NS	`ns.gnu.ac.kr` ⭐
		A	203.255.1.26^{🇰🇷 GSNU-AS-KR203.255.0.0/18 Proxy-Registered Route Object by LG Dacom(AS3786)}
NS	`ns2.kornet.net` ⚠️ Not in zone NS records
		A	211.216.50.160^{🇰🇷 KT-NET211.216.0.0/13 KORnet Powered BY Korea Telecom}
			PTR	`ns2.kornet.net`
MX	`zmx908.mailplug.com` ⭐
		A	175.45.214.223^{🇰🇷 NBPAP-AS-AP175.45.208.0/21 customer route}
			PTR	`zmx903.mailplug.com`
		A	175.45.214.224^{🇰🇷 NBPAP-AS-AP175.45.208.0/21 customer route}
			PTR	`zmx904.mailplug.com`
		A	175.45.220.31^{🇰🇷 NBPAP-AS-AP175.45.216.0/21 customer route}
			PTR	`zmx907.mailplug.com`
		A	175.45.220.53^{🇰🇷 NBPAP-AS-AP175.45.216.0/21 customer route}
			PTR	`zmx908.mailplug.com`
		A	175.45.221.5^{🇰🇷 NBPAP-AS-AP175.45.216.0/21 customer route}
			PTR	`zmx905.mailplug.com`
		A	175.45.221.162^{🇰🇷 NBPAP-AS-AP175.45.216.0/21 customer route}
			PTR	`zmx906.mailplug.com`
TXT	`google-site-verification=03hT0knUqc6I9DqAMW_5EjSZG7GLKqLsd_ZDi4FQSYk`
TXT	`04ca422c7a0da645d6068bb2e227b1bc`
TXT	`google-site-verification=lRleW5J_ahkRBfX9qoC909X98OsZgcgyAVYCPo4HwaM`
TXT	`google-site-verification=CHXEHTQSaLizDORROejmmAuzHw0MeALEsar_Luq00yg`
TXT	`google-site-verification=oDOx67QfnEVABkOaawytJ-9NVZcEsMRU7GOgrlTjF3E`
TXT	`google-site-verification=WpYqcjmF3UjYreKUgwmjaqLcLEnIHN4x20coc54MoMc`
TXT	`google-site-verification=yqQyqcNMU8VuIsaO3bhh5YP7gWVlLor9QIBZEOprQ4A`
TXT	`google-site-verification=4HmzMMLt0KKnijP5G2C9ifTezP6l9aicm3_KgDgdM7Y`
TXT	`google-site-verification=pb9t-HCREp3b7578taFJTjWbKX7rHB6BPjMXD4LhjPg`
TXT	`google-site-verification=Vhczw6Z3LxJJ6YOq9F8J7sJGptvn8_zsKnBtWCFas7A`
TXT	`_globalsign-domain-verification=jlDcAyRuvj3lSZ5Rr7D52z_QjeunARJa-Qjeuhgm87c`
TXT	`v=spf1 ip4:202.30.55.51 ip4:202.30.55.50 ip4:202.30.55.20 ip4:202.30.55.81 ip...`
TXT	`apple-domain-verification=hnqKV7YQqF3WE99n`
SOA	`ns.gnu.ac.kr`root@ns.gnu.ac.kr 2023-08-14 #84

`ac.kr`

	DNSSEC	⚠️ Not signed
	NS	`g.dns.kr` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.kr` ⚠️ Not in parent delegation
	NS	`c.dns.kr` ⚠️ Not in parent delegation
	NS	`d.dns.kr` ⚠️ Not in parent delegation
	NS	`e.dns.kr` ⚠️ Not in parent delegation
	NS	`f.dns.kr` ⚠️ Not in parent delegation
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2607170501

rank #66959 globally
rank #172 in the tld
WOT: UNKNOWN (78/100)
📈 Tranco rank: #139,835
WOT: SAFE (99/100)

Subdomains

portal.gnu.ac.kr

history.gnu.ac.kr

smartfarm.gnu.ac.kr

abeek.gnu.ac.kr

www.gnu.ac.kr

scholarworks.gnu.ac.kr

ise.gnu.ac.kr

ns1.gnu.ac.kr

control.gnu.ac.kr

accounts.gnu.ac.kr

acml.gnu.ac.kr

nerum.gnu.ac.kr

ade.gnu.ac.kr

recapt.gnu.ac.kr

syscon.gnu.ac.kr

tdc.gnu.ac.kr

msjoun.gnu.ac.kr

bk21.gnu.ac.kr

mail.gnu.ac.kr

ns.gnu.ac.kr

gsiss.gnu.ac.kr

new.gnu.ac.kr

gua.gnu.ac.kr

my.gnu.ac.kr

eri.gnu.ac.kr

physica.gnu.ac.kr

sugang.gnu.ac.kr

gshs.gnu.ac.kr

ehs.gnu.ac.kr

lac-iacuc.gnu.ac.kr

usr.gnu.ac.kr

marine.gnu.ac.kr

rnd.gnu.ac.kr

erum-lms.gnu.ac.kr

Same first word

gnu.org.il

gnu.org.pe

gnu.ae

gnu.pt

gnu.cz

gnu.be

gnu.org.ve

gnu.es

gnu.ac.kr

gnu.me

gnu.org.ua

gnu.lt

gnu.se

gnu.kr

gnu.works

gnu.dk

gnu.org

gnu.fr

gnu.life

gnu.co.kr

gnu.org.uk

gnu.style

gnu.de

gnu.moe

gnu.cn

gnu.team

gnu.in

gnu.systems

gnu.jp

gnu.so

gnu.org.ru

gnu.mx

gnu.com

gnu.li

gnu.idv.tw

gnu.gov.ly

gnu.nl

gnu.in-berlin.de

gnu.asia

gnu.cat

gnu.fun

gnu.nu

gnu.la

gnu.ro

gnu.email

gnu.su

gnu.com.au

gnu.party

gnu.org.pl

gnu.sk

gnu.com.br

gnu.gl

gnu.fi

gnu.hu

gnu.us

gnu.org.in

gnu.gr

gnu.kz

gnu.at

gnu.im

gnu.ch

gnu.support

gnu.cc

gnu.ac.in

gnu.pl

gnu.cl

gnu.co

gnu.io

gnu.kim

gnu.si

gnu.ca

gnu.xyz

gnu.info

gnu.net

Similar names

nug.school

gun.fun

ung.fr

gun.ch

ung.br

nug.eu

gun.pl

gun.broker

gun.toys

nug.financial

ung.tv

gun.web.id

nug.(0x787878)

nug.web.id

ngu.finance

gun.lviv.ua

ung.si

ugn.cc

ngu.co.za

gun.jp

ugn.ca

ung.co.za

gun.eco

ung.asia

ugn.es

nug.com.au

gun.ru

nug.email

ung.am

ugn.be

gun.dog

ung.io

nug.co.kr

ung.ru

nug.express

ngu.cz

nug.tv

ngu.eu

nug.company

nug.lv

ngu.com

ngu.ca

gun.training

nug.productions

gun.company

ugn.co

nug.tips

ung.me

gun.ai

gun.club

nug.media

gun.lu

nug.ch

ngu.gov.ua

gun.ca

gun.at

nug.ir

nug.enterprises

ngu.su

gun.cash

gun.ro

ung.ch

ung.fm

gun.zone

ugn.eu

gun.wtf

gun.run

gun.tv

gun.center

ngu.edu.ge

ung.nl

ugn.com.mx

nug.guru

ung.kz

ung.stockholm

ugn.me

nug.house

ngu.edu.eg

nug.world

nug.net

ngu.de

gun.care

gun.av.tr

ngu.my

nug.bg

ugn.it

ngu.si

ung.ca

gun.cz

ngu.in

gun.eu.com

nug.town

ngu.dk

ung.com.au

nug.guide

gun.fm

nug.education

ugn.ac.id

gun.si

nug.org

gun.technology

ung.biz

nug.support

ngu.no

nug.finance

gun.info

ngu.nl

ung.ag

nug.tax

gun.ie

ugn.kr

DNS History

7 records (4 active, 3 former)

●NSns.gnu.ac.kr2017-05-27 → 2026-07-17 · 3 obs

○ 2017-01-23 02:34:24
● 2017-05-27 01:26:52
● 2026-07-17 11:40:28

○NSns.gsnu.ac.kr2015-08-18 → 2017-01-23 · 4 obs

● 2015-08-18 00:56:54
● 2017-01-23 02:34:24
○ 2017-05-27 01:26:52
○ 2026-07-17 11:40:28

●NSns2.kornet.net2026-02-16 → 2026-07-17 · 3 obs

○ 2017-05-27 01:26:52
● 2026-02-16 02:24:46
● 2026-07-17 11:40:28

○MXspam.gnu.ac.kr2015-08-18 → 2017-12-01 · 4 obs

● 2015-08-18 00:56:54
● 2017-12-01 09:17:04
○ 2026-02-16 02:24:46
○ 2026-07-17 11:40:28

●MXzmx908.mailplug.com2026-02-16 → 2026-07-17 · 4 obs

○ 2017-12-01 09:17:04
● 2026-02-16 02:24:46
○ 2026-07-15 23:59:36
● 2026-07-17 11:40:28

●A103.55.189.1992026-02-16 → 2026-07-17 · 4 obs

○ 2017-12-01 09:17:04
● 2026-02-16 02:24:46
○ 2026-07-15 23:59:36
● 2026-07-17 11:40:28

○A203.255.1.252015-08-18 → 2017-12-01 · 4 obs

● 2015-08-18 00:56:54
● 2017-12-01 09:17:04
○ 2026-02-16 02:24:46
○ 2026-07-17 11:40:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	c.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...	-
gnu.ac.kr	ns.gnu.ac.kr, ns2.kornet.net	1 record

✅ Authoritative Response

Server:211.216.50.160

NS records: ns.gnu.ac.kr, ns2.kornet.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gnu.ac.kr (unsigned zone)

⏱️ Timing

Total: 1698ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.55.189.199`
NS	1	`ns.gnu.ac.kr`
MX	1	`zmx908.mailplug.com (pri: 10)`
TXT	13	`v=spf1 ip4:202.30.55.51 ip4:202.30.55.50, google-site-verification=oDOx67QfnEVABkO...`
SOA	1	`ns.gnu.ac.kr root.ns.gnu.ac.kr`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns.gnu.ac.kr)

Analysis

Hierarchy

The host names portal.gnu.ac.kr, history.gnu.ac.kr, smartfarm.gnu.ac.kr, abeek.gnu.ac.kr and www.gnu.ac.kr — among a few others — fall under the parent domain gnu.ac.kr.

IP Addresses

gnu.ac.kr directs to one IP number, which is 103.55.189.199.

Other host names, among them abeek.gnu.ac.kr and www.gnu.ac.kr, have IP numbers in common with gnu.ac.kr.

Name Servers

gnu.ac.kr has two authoritative name servers — ns2.kornet.net and ns.gnu.ac.kr.

gnu.ac.kr uses the same name servers as other domains, for example gsnu.ac.kr and gnu.kr.

At least some of gnu.ac.kr's name servers are shared with other domains, for example e-hipassplus.co.kr, kzpc.co.kr, srbeach.com and two more.

These name servers tend to co-occur with ns.kornet.net, ns1.gnu.ac.kr, ns.hite-jinro.com and 6 other name servers in the same DNS delegations.

Each of ns2.kornet.net and ns.gnu.ac.kr has one IP address: ns2.kornet.net uses 211.216.50.160 and ns.gnu.ac.kr uses 203.255.1.26.

Mail Servers

gnu.ac.kr routes its mail through a single mail server, zmx908.mailplug.com.

gnu.ac.kr and domains like zm908.mailplug.com share an identical mail server configuration.

gnu.ac.kr overlaps on mail servers with certain other domains, gsnu.ac.kr among them.

It is common to find these mail servers paired with the mail servers gmx51.mailplug.com.

zmx908.mailplug.com directs to 6 IP numbers, including 175.45.214.223, 175.45.214.224 and 175.45.220.31, along with 3 other.