css.ac.kr - dns.ninja

`css.ac.kr`

DNSSEC	⚠️ Not signed
NS	`ns2.kornet.net` ⭐
		A	211.216.50.160^{🇰🇷 KT-NET211.216.0.0/13 KORnet Powered BY Korea Telecom}
			PTR	`ns2.kornet.net`
NS	`ns.kornet.net`
		A	211.216.50.150^{🇰🇷 KT-NET211.216.0.0/13 KORnet Powered BY Korea Telecom}
			PTR	`ns.kornet.net`
SOA	`ns.kornet.net`domain@ns.kornet.net 2021-05-18 #0

`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=2608080502

WOT: SAFE (99/100)

Subdomains

www.css.ac.kr

ns.css.ac.kr

haksa.css.ac.kr

Same first word

css.fail

css.bio

css.edgesuite.net

css.io

css.com.pt

css.fi

css.cc

css.com.pk

css.gob.pa

css.uk.com

css.ca

css.tn

css.gr

css.it

css.edu

css.org

css.cat

css.eu

css.online

css.ink

css.cl

css.org.pa

css.su

css.nyc

css.com.tw

css.ro

css.energy

css.ngo

css.bauhaus

css.co.zw

css.spb.ru

css.am

css.asia

css.ie

css.me

css.mo

css.kz

css.es

css.plus

css.gov.ar

css.in

css.my

css.com.mk

css.dk

css.ge

css.co.in

css.ind.in

css.edu.om

css.plumbing

css.sk

css.ab.ca

css.pl

css.be

css.net

css.se

css.codes

css.net.id

css.lt

css.edu.gh

css.in.ua

css.com.qa

css.lv

css.com.cn

css.gov.au

css.si

css.ga

css.nl

css.sa.edu.au

css.ws

css.gmbh

css.org.tn

css.ac.kr

css.ph

css.so

css.net.pk

css.ir

css.lk

css.mr

css.guide

css.boutique

css.to

css.no

css.ch

css.properties

css.s3.amazonaws.com

css.ninja

css.wien

css.us.com

css.wtf

css.nu

css.net.ua

css.md

css.international

css.expert

css.ae

css.web.id

css.edu.hk

css.fr

css.bt

css.kr

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ssc.email

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DNS History

7 records (2 active, 5 former)

○NSchong2015-08-05 → 2016-12-22 · 4 obs

● 2015-08-05 03:23:32
● 2016-12-22 03:49:14
○ 2026-02-18 21:46:24
○ 2026-08-08 16:39:08

○NSdns.chongshin.ac.kr2015-11-15 → 2016-12-22 · 5 obs

○ 2015-08-05 03:23:32
● 2015-11-15 06:46:18
● 2016-12-22 03:49:14
○ 2026-02-18 21:46:24
○ 2026-08-08 16:39:08

○NSdns2.css.ac.kr2015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 03:23:32
○ 2015-11-15 06:46:18
○ 2026-08-08 16:39:08

○NSns.chongshin.ac.kr2015-11-15 → 2016-06-05 · 5 obs

○ 2015-08-05 03:23:32
● 2015-11-15 06:46:18
● 2016-06-05 16:02:08
○ 2016-12-22 03:49:14
○ 2026-08-08 16:39:08

●NSns.kornet.net2026-02-18 → 2026-08-08 · 3 obs

○ 2016-12-22 03:49:14
● 2026-02-18 21:46:24
● 2026-08-08 16:39:08

●NSns2.kornet.net2015-08-05 → 2026-08-08 · 5 obs

● 2015-08-05 03:23:32
○ 2015-11-15 06:46:18
○ 2016-12-22 03:49:14
● 2026-02-18 21:46:24
● 2026-08-08 16:39:08

○A210.102.191.1582015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 03:23:32
○ 2015-11-15 06:46:18
○ 2026-08-08 16:39:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...	-
css.ac.kr	ns2.kornet.net, ns.kornet.net	-

✅ Authoritative Response

Server:211.216.50.160

NS records: ns2.kornet.net, ns.kornet.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1536ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.kornet.net, ns.kornet.net`
SOA	1	`ns.kornet.net domain.ns.kornet.net`

Analysis

Hierarchy

css.ac.kr is the parent domain of www.css.ac.kr, ns.css.ac.kr and haksa.css.ac.kr.

Name Servers

DNS delegation for css.ac.kr points to two name servers: ns2.kornet.net and ns.kornet.net.

css.ac.kr uses the same name servers as several other domains — among them cloudincubation.com, rndedu.com, ollehad.net and two more.

css.ac.kr shares at least some of its name servers with other domains, including krb.kr, krivet.re.kr, kalisedu.or.kr and two others.

These name servers are frequently seen alongside ns2.kornet.ne.kr, ns.hite-jinro.com, ns.samshinvalve.co.kr and 7 other name servers.

ns2.kornet.net and ns.kornet.net each resolve to one IP number: ns2.kornet.net points to 211.216.50.160 and ns.kornet.net points to 211.216.50.150.