`okinawaopenlab.org`

DNSSEC	⚠️ Not signed
A	210.151.132.107^{🇯🇵 BIGLOBE210.151.128.0/17 CIDR BLOCK 6}
NS	`01.dnsv.jp` ⭐
		A	2400:8500:3300::53^{🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp` ⚠️ Not in parent delegation
		A	2400:8500:3000::53^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp` ⚠️ Not in parent delegation
		A	2400:8500:3fff::53^{🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.}
			PTR	`04.dnsv.jp`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1736521543

`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=1778745638

Subdomains

mail.okinawaopenlab.org

Same first word

okinawaopenlab.org

DNS History

7 records (5 active, 2 former)

●NS01.dnsv.jp2015-08-13 → 2026-05-14 · 2 obs

● 2015-08-13 08:27:56
● 2026-05-14 08:26:38

●NS02.dnsv.jp2015-08-13 → 2026-05-14 · 2 obs

● 2015-08-13 08:27:56
● 2026-05-14 08:26:38

●NS03.dnsv.jp2015-08-13 → 2026-05-14 · 2 obs

● 2015-08-13 08:27:56
● 2026-05-14 08:26:38

●NS04.dnsv.jp2015-08-13 → 2026-05-14 · 2 obs

● 2015-08-13 08:27:56
● 2026-05-14 08:26:38

○A157.7.174.952020-02-24 → 2020-02-24 · 4 obs

○ 2017-02-15 05:15:46
● 2020-02-24 01:42:04
○ 2026-03-31 23:43:42
○ 2026-05-14 08:26:38

●A210.151.132.1072017-02-15 → 2026-05-14 · 3 obs

○ 2016-07-03 16:21:12
● 2017-02-15 05:15:46
● 2026-05-14 08:26:38

○A210.151.132.1082015-08-13 → 2016-07-03 · 4 obs

● 2015-08-13 08:27:56
● 2016-07-03 16:21:12
○ 2017-02-15 05:15:46
○ 2026-05-14 08:26:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
okinawaopenlab.org	02.dnsv.jp, 01.dnsv.jp	-

✅ Authoritative Response

Server:157.7.32.53

NS records: 02.dnsv.jp, 01.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for okinawaopenlab.org (unsigned zone)

⏱️ Timing

Total: 1510ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.151.132.107`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

Analysis

Hierarchy

okinawaopenlab.org is the parent of mail.okinawaopenlab.org.

IP Addresses

okinawaopenlab.org resolves to one IP number: 210.151.132.107.

Name Servers

okinawaopenlab.org is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

okinawaopenlab.org at least partially shares name servers with other domains, for instance gsgs.co.jp, web-concier.net, nakamurakangyoen.com, wingood.co.jp and synos.co.jp.

Host names with two IP numbers:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.

Host names with one IP number:

02.dnsv.jp points to 157.7.33.53.

okinawaopenlab.org - robtex.com