`pl.sch.ac.kr`

DNSSEC	⚠️ Not signed
A	220.69.208.146^{🇰🇷 SCH-AS-KR220.69.208.0/24}
		PTR	`pl.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	`adobe-idp-site-verification=927492af4b2cdcce3b30dbf8986f982f0b710de85df8f3fca...`
	TXT	`v=spf1 ip4:220.69.189.111 ip4:220.69.189.112 ip4:220.69.189.119 ip4:220.69.18...`
	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: #62,716

PTR for

146.208.69.220.in-addr.arpa

Same first word

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DNS History

1 record (1 active, 0 former)

●A220.69.208.1461970-01-01 → 2026-06-05 · 2 obs

● 1970-01-01 00:00:00
● 2026-06-05 04:21:40

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:211.216.50.160

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 4093ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.69.208.146`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

pl.sch.ac.kr has exactly one IP address — 220.69.208.146.

pl.sch.ac.kr - robtex.com

pl.sch.ac.kr

sch.ac.kr