`dahn.sch.ac.kr`

DNSSEC	⚠️ Not signed
A	220.69.208.205^{🇰🇷 SCH-AS-KR220.69.208.0/24}
		PTR	`dahn.sch.ac.kr`

`sch.ac.kr`

	DNSSEC	⚠️ Not signed
	A	220.69.189.120^{🇰🇷 SCH-AS-KR220.69.189.0/24}
	NS	`ns1.sch.ac.kr` ⭐ ⚠️ Not in parent delegation
	NS	`ns0.sch.ac.kr`
	NS	`ns2.sch.ac.kr`
	MX	`spam.sch.ac.kr` ⭐
	TXT	`v=spf1 ip4:220.69.189.111 ip4:220.69.189.112 ip4:220.69.189.119 ip4:220.69.18...`
	TXT	`adobe-idp-site-verification=927492af4b2cdcce3b30dbf8986f982f0b710de85df8f3fca...`
	TXT	`ZOOM_verify_ZmVZI02pQD63OHQjNY_7jA`
	SOA	`ns1.sch.ac.kr`root@ns1.sch.ac.kr serial=7886

rank #209240 globally
rank #450 in the tld
📈 Tranco rank: #62,163

PTR for

205.208.69.220.in-addr.arpa

Same first word

dahn.ru

dahn.dk

dahn.net

dahn.de

dahn.name

dahn.no

dahn.cz

dahn.me

dahn.co.uk

dahn.or.kr

dahn.cc

dahn.ca

dahn.us

dahn.kr

dahn.org

Similar names

ahdn.cn

nadh.de

hdna.info

hand.nu

hand.lat

hand.se

andh.cn

nhad.org.ph

hand.at

dhan.net

hdan.com

nadh.cn

danh.us

hand.net.pl

hand.bid

hand.bg

adhn.com

hand.team

dhan.com.au

ndha.xyz

hand.cn

hadn.de

hand.su

dnah.no

andh.ru

nadh.wiki

hand.ca

hand.expert

danh.in

nadh.hu

hand.it

nadh.ca

adhn.net

nadh.co.uk

hand.jp.net

hnda.de

hand.energy

hand.co.kr

andh.net

nhad.eu

andh.org

hand.nl

hand.in

dnha.com

dnha.org

hand.org.tw

ndha.ca

dhan.co

danh.no

anhd.com

nhad.cn

dhan.xyz

ndha.de

hand.cleaning

dhan.info

hand.ir

nahd.com

nadh.info

hand.ltd

andh.com

nadh.eu

hand.co.uk

danh.me

hand.net

adnh.ch

hand.pt

nhad.nl

hdan.de

danh.com.vn

hand.hr

hand.estate

dnha.me

danh.co

hand.org.au

nhad.at

hand.dk

dnah.net

dnha.de

dhna.co.uk

hand.co.nz

hand.com

hand.la

dhan.net.au

hdan.net

hdna.ru

danh.ca

dhan.de

hdna.de

hdna.eu

nhda.org

ndha.com.au

dnha.cn

DNS History

1 record (1 active, 0 former)

●A220.69.208.2051970-01-01 → 2026-06-05 · 2 obs

● 1970-01-01 00:00:00
● 2026-06-05 01:57:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	c.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...	-
sch.ac.kr	ns0.sch.ac.kr, ns2.sch.ac.kr	2 records

✅ Authoritative Response

Server:220.69.193.132

NS records: ns0.sch.ac.kr, ns2.sch.ac.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1062ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.69.208.205`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns0.sch.ac.kr, ns2.sch.ac.kr)

Analysis

IP Addresses

dahn.sch.ac.kr has exactly one IP address — 220.69.208.205.

dahn.sch.ac.kr - robtex.com

dahn.sch.ac.kr

sch.ac.kr