`libraryschool.org`

DNSSEC	⚠️ Not signed
A	221.143.48.153^{🇰🇷 SKB-NET221.140.0.0/14 SK Broadband}
		PTR	`221-143-48-153.tongkni.co.kr`
NS	`ns1.gabia.co.kr` ⭐
		A	20.200.205.248^{🇰🇷 Microsoft20.192.0.0/10}
NS	`ns.gabia.co.kr`
		A	43.201.170.100^{🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix}
			PTR	`ec2-43-201-170-100.ap-northeast-2.compute.amazonaws.com`
NS	`ns.gabia.net`
		A	121.78.117.39^{🇰🇷 GABIA-AS-KR121.78.117.0/24 Transit customer route announce}
			PTR	`ns1.gabia.co.kr`
		A	211.234.124.90^{🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary}
SOA	`ns.gabia.co.kr`hosting@gabia.com 2019-11-07 #21

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1784295438

Same first word

libraryschool.com

libraryschool.org

libraryschool.ru

Similar names

schoollibrary.co.uk

schoollibrary.com

hairbycollors.com

schoollibrary.ru

DNS History

11 records (4 active, 7 former)

●NSns.gabia.co.kr2026-04-18 → 2026-07-17 · 3 obs

○ 2017-04-19 03:09:56
● 2026-04-18 02:23:46
● 2026-07-17 13:59:34

●NSns.gabia.net2026-04-18 → 2026-07-17 · 3 obs

○ 2017-04-19 03:09:56
● 2026-04-18 02:23:46
● 2026-07-17 13:59:34

●NSns1.gabia.co.kr2026-04-18 → 2026-07-17 · 3 obs

○ 2017-04-19 03:09:56
● 2026-04-18 02:23:46
● 2026-07-17 13:59:34

○NSns14.dnszi.com2016-04-04 → 2017-04-19 · 4 obs

● 2016-04-04 07:53:40
● 2017-04-19 03:09:56
○ 2026-04-18 02:23:46
○ 2026-07-17 13:59:34

○NSns31.dnszi.com2016-04-04 → 2017-04-19 · 4 obs

● 2016-04-04 07:53:40
● 2017-04-19 03:09:56
○ 2026-04-18 02:23:46
○ 2026-07-17 13:59:34

○NSns44.dnszi.com2016-04-04 → 2017-04-19 · 4 obs

● 2016-04-04 07:53:40
● 2017-04-19 03:09:56
○ 2026-04-18 02:23:46
○ 2026-07-17 13:59:34

○NSns5.dnszi.com2016-04-04 → 2017-04-19 · 4 obs

● 2016-04-04 07:53:40
● 2017-04-19 03:09:56
○ 2026-04-18 02:23:46
○ 2026-07-17 13:59:34

○NSns86.dnszi.com2016-04-04 → 2017-04-19 · 4 obs

● 2016-04-04 07:53:40
● 2017-04-19 03:09:56
○ 2026-04-18 02:23:46
○ 2026-07-17 13:59:34

○A1.226.84.452016-04-04 → 2017-04-19 · 4 obs

● 2016-04-04 07:53:40
● 2017-04-19 03:09:56
○ 2026-04-18 02:23:46
○ 2026-07-17 13:59:34

○A175.207.29.1822026-04-18 → 2026-07-17 · 2 obs

○ 2026-04-18 02:23:46
○ 2026-07-17 13:59:34

●A221.143.48.1532026-04-18 → 2026-07-17 · 3 obs

○ 2017-04-19 03:09:56
● 2026-04-18 02:23:46
● 2026-07-17 13:59:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
libraryschool.org	ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net	-

✅ Authoritative Response

Server:43.201.170.100

NS records: ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for libraryschool.org (unsigned zone)

⏱️ Timing

Total: 1239ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`221.143.48.153`
NS	3	`ns.gabia.co.kr, ns1.gabia.co.kr...`
SOA	1	`ns.gabia.co.kr hosting.gabia.com`

Analysis

IP Addresses

libraryschool.org resolves to just one IP address, 221.143.48.153.

Other host names, such as bubtanet.org, share IP numbers with libraryschool.org.

Name Servers

libraryschool.org is delegated to three name servers: ns.gabia.net, ns1.gabia.co.kr and ns.gabia.co.kr.

libraryschool.org partially shares its NS delegation with several other domains, including yjmarket.com, eunhyang-art.com, smieng.com and two others.

These name servers are regularly seen alongside ns.andong.co.kr and ns2.andong.co.kr as name servers.

Host names that have two IP addresses:

ns.gabia.net points to 121.78.117.39 and 211.234.124.90.

Host names that point to one IP address:

ns1.gabia.co.kr points to 20.200.205.248.

ns.gabia.co.kr points to 43.201.170.100.

libraryschool.org - robtex.com