`ozu-lib.jp`

DNSSEC	⚠️ Not signed
A	160.16.223.197^{🇯🇵 SAKURA-B160.16.128.0/17 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
		PTR	`ssw20.secure-cms.net`
NS	`ns1.coda.ne.jp` ⭐
		A	61.200.5.11^{🇯🇵 GIGAINFRA61.200.0.0/18 BBT-CIDR-BLOCK}
			PTR	`ns1.coda.ne.jp`
NS	`ns2.coda.ne.jp`
		A	61.200.5.12^{🇯🇵 GIGAINFRA61.200.0.0/18 BBT-CIDR-BLOCK}
			PTR	`ns2.coda.ne.jp`
NS	`ns3.coda.ne.jp`
		A	157.7.133.104^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`ns3.coda.ne.jp`
MX	`sps2.coda.jp` ⭐
		A	118.103.100.6^{🇯🇵 GIGAINFRA118.103.0.0/17 Yahoo BB CIDR BLOCK}
			PTR	`sps2.coda.jp`
TXT	`v=spf1 ip4:61.200.5.50 ip4:118.103.100.222 ~all`
SOA	`ns1.coda.ne.jp`postmaster@coda.ne.jp 2024-03-05 #1

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1778578203

Subdomains

www.ozu-lib.jp

Same first word

ozu-lib.jp

DNS History

6 records (5 active, 1 former)

●NSns1.coda.ne.jp2015-08-12 → 2026-05-12 · 2 obs

● 2015-08-12 01:27:42
● 2026-05-12 09:57:22

●NSns2.coda.ne.jp2015-08-12 → 2026-05-12 · 2 obs

● 2015-08-12 01:27:42
● 2026-05-12 09:57:22

●NSns3.coda.ne.jp2026-03-28 → 2026-05-12 · 3 obs

○ 2015-08-12 01:27:42
● 2026-03-28 00:36:30
● 2026-05-12 09:57:22

○MXsph.coda.jp2015-08-12 → 2017-12-13 · 4 obs

● 2015-08-12 01:27:42
● 2017-12-13 01:19:04
○ 2026-03-28 00:36:30
○ 2026-05-12 09:57:22

●MXsps2.coda.jp2026-03-28 → 2026-05-12 · 3 obs

○ 2017-12-13 01:19:04
● 2026-03-28 00:36:30
● 2026-05-12 09:57:22

●A160.16.223.1972026-03-28 → 2026-05-12 · 2 obs

● 2026-03-28 00:36:30
● 2026-05-12 09:57:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
ozu-lib.jp	ns1.coda.ne.jp, ns2.coda.ne.jp, ns3.coda.ne.jp	3 records

✅ Authoritative Response

Server:157.7.133.104

NS records: ns1.coda.ne.jp, ns2.coda.ne.jp, ns3.coda.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ozu-lib.jp (unsigned zone)

⏱️ Timing

Total: 2032ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`160.16.223.197`
NS	3	`ns2.coda.ne.jp, ns3.coda.ne.jp...`
MX	1	`sps2.coda.jp (pri: 10)`
TXT	1	`v=spf1 ip4:61.200.5.50 ip4:118.103.100.2`
SOA	1	`ns1.coda.ne.jp postmaster.coda.ne.jp`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns3.coda.ne.jp, ns2.coda.ne.jp, ns1.coda.ne.jp)

Analysis

Hierarchy

ozu-lib.jp is a parent of www.ozu-lib.jp.

IP Addresses

ozu-lib.jp points to a single IP address: 160.16.223.197.

Other host names such as p333.info, tk2-253-36443.vs.sakura.ne.jp, ttc-dental-osaka.com, uto-lib.jp and chuousuzuki.co.jp share IP numbers with ozu-lib.jp.

Name Servers

ozu-lib.jp is delegated to three name servers: ns1.coda.ne.jp, ns2.coda.ne.jp and ns3.coda.ne.jp.

At least part of the name servers for ozu-lib.jp are shared with other domains, for instance kis.co.jp, newmax.jp, jieikai.com, kk-tosoh.co.jp and kashima-home.jp.

These name servers are commonly used alongside the name servers ns.jrc.or.jp.

Host names with a single IP:

ns1.coda.ne.jp points to: 61.200.5.11

ns2.coda.ne.jp points to: 61.200.5.12

ns3.coda.ne.jp points to: 157.7.133.104

Mail Servers

The mail server for ozu-lib.jp is sps2.coda.jp.

ozu-lib.jp uses the same mail server setup as other domains, for instance tamana-lib.jp, skynet-net.com, uto-lib.jp, museum-library-uki.jp and inahokai.com.

Host sps2.coda.jp points to IP 118.103.100.6.

ozu-lib.jp - robtex.com

ozu-lib.jp

jp