`bigdata-environment.kr`

DNSSEC	⚠️ Not signed
A	203.237.6.20^{🇰🇷 KOWANET-AS-KR203.237.0.0/19 Korea Water Resources Corporation}
NS	`ns2.bigdata-environment.kr` ⭐
		A	203.237.1.23^{🇰🇷 KOWANET-AS-KR203.237.1.0/24}
			PTR	`ns2.kwater.or.kr`
NS	`ns1.kwater.or.kr` ⚠️ Not in zone NS records
		A	203.237.1.20^{🇰🇷 KOWANET-AS-KR203.237.1.0/24}
			PTR	`ns1.kwater.or.kr`
NS	`ns2.kwater.or.kr` ⚠️ Not in zone NS records
		A	203.237.1.23^{🇰🇷 KOWANET-AS-KR203.237.1.0/24}
			PTR	`ns2.kwater.or.kr`
TXT	`_5tp0dlre62yb8cojsn40qdg3dhfxvcf`
SOA	`ns2.bigdata-environment.kr`root@ns2.bigdata-environment.kr serial=20191112

`kr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`g.dns.kr` ⭐
	NS	`b.dns.kr`
	NS	`c.dns.kr`
	NS	`d.dns.kr`
	NS	`e.dns.kr`
	NS	`f.dns.kr`
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2608080620

Subdomains

ns2.bigdata-environment.kr

Same first word

bigdata-environment.kr

DNS History

5 records (4 active, 1 former)

○NSns1.bigdata-environment.kr2026-06-27 → 2026-08-05 · 22 obs

○ 2026-06-26 09:39:10
● 2026-06-27 11:41:30
○ 2026-07-09 03:16:02
● 2026-07-13 05:00:34
○ 2026-07-14 04:57:06
● 2026-07-15 04:07:44
○ 2026-07-18 05:30:54
● 2026-07-20 05:04:20
○ 2026-07-23 04:09:42
● 2026-07-24 19:41:52
○ 2026-07-26 04:18:48
● 2026-07-27 15:11:58
○ 2026-07-28 05:09:54
● 2026-07-29 06:19:30
○ 2026-07-29 15:17:54
● 2026-07-30 07:04:58
○ 2026-08-01 14:25:32
● 2026-08-03 04:38:56
○ 2026-08-04 03:50:24
● 2026-08-05 05:24:52
○ 2026-08-06 04:34:22
○ 2026-08-08 05:15:56

●NSns1.kwater.or.kr2026-06-26 → 2026-08-08 · 2 obs

● 2026-06-26 09:39:10
● 2026-08-08 05:15:56

●NSns2.bigdata-environment.kr2026-06-26 → 2026-08-08 · 22 obs

● 2026-06-26 09:39:10
○ 2026-06-27 11:41:30
● 2026-07-09 03:16:02
○ 2026-07-13 05:00:34
● 2026-07-14 04:57:06
○ 2026-07-15 04:07:44
● 2026-07-18 05:30:54
○ 2026-07-20 05:04:20
● 2026-07-23 04:09:42
○ 2026-07-24 19:41:52
● 2026-07-26 04:18:48
○ 2026-07-27 15:11:58
● 2026-07-28 05:09:54
○ 2026-07-29 06:19:30
● 2026-07-29 15:17:54
○ 2026-07-30 07:04:58
● 2026-08-01 14:25:32
○ 2026-08-03 04:38:56
● 2026-08-04 03:50:24
○ 2026-08-05 05:24:52
● 2026-08-06 04:34:22
● 2026-08-08 05:15:56

●NSns2.kwater.or.kr2026-06-26 → 2026-08-08 · 2 obs

● 2026-06-26 09:39:10
● 2026-08-08 05:15:56

●A203.237.6.202026-06-26 → 2026-08-08 · 2 obs

● 2026-06-26 09:39:10
● 2026-08-08 05:15:56

🔍 DNS Trace

Analysis

Hierarchy

ns2.bigdata-environment.kr is a subdomain of bigdata-environment.kr.

IP Addresses

bigdata-environment.kr resolves to one IP address: 203.237.6.20.

Name Servers

bigdata-environment.kr has three name servers — ns2.bigdata-environment.kr, ns1.kwater.or.kr and ns2.kwater.or.kr.

bigdata-environment.kr has overlapping name servers with several other domains — among them 3.237.203.in-addr.arpa, kwater.or.kr, 1.237.203.in-addr.arpa and wateround.kr.

These name servers commonly appear alongside the name servers ns1.kowaco.or.kr and ns2.kowaco.or.kr.

Three hostnames, each with one IP address: ns2.bigdata-environment.kr points to 203.237.1.23, ns1.kwater.or.kr points to 203.237.1.20 and ns2.kwater.or.kr points to 203.237.1.23. Note that ns2.bigdata-environment.kr and ns2.kwater.or.kr share the same IP.

The host names ns2.bigdata-environment.kr and ns2.kwater.or.kr both resolve to 203.237.1.23 IP addresses.

bigdata-environment.kr - robtex.com