`osouji-jack.jp`

DNSSEC	⚠️ Not signed
A	114.17.21.145^{🇯🇵 KDDI114.17.0.0/16}
		PTR	`dns19.n-server.com`
NS	`ns.osouji-jack.jp` ⭐ ⚠️ Not in parent delegation
		A	114.17.21.145^{🇯🇵 KDDI114.17.0.0/16}
			PTR	`dns19.n-server.com`
NS	`dns136.n-server.com` ⚠️ Not in zone NS records
		A	114.17.21.136^{🇯🇵 KDDI114.17.0.0/16}
			PTR	`dns136.n-server.com`
NS	`dns19.n-server.com` ⚠️ Not in zone NS records
		A	114.17.21.145^{🇯🇵 KDDI114.17.0.0/16}
			PTR	`dns19.n-server.com`
MX	`mail.osouji-jack.jp` ⭐
		A	114.17.21.145^{🇯🇵 KDDI114.17.0.0/16}
			PTR	`dns19.n-server.com`
TXT	`v=spf1 +a +mx -all +a:dns19.n-server.com`
SOA	`ns.osouji-jack.jp`plesk@purenic.jp 2025-10-08 #2

`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=1774415703

Subdomains

ns.osouji-jack.jp

mail.osouji-jack.jp

Same first word

osouji-jack.jp

DNS History

7 records (5 active, 2 former)

●NSdns136.n-server.com2026-03-04 → 2026-03-25 · 3 obs

○ 2015-08-02 00:17:46
● 2026-03-04 10:37:16
● 2026-03-25 05:40:34

●NSdns19.n-server.com2026-03-04 → 2026-03-25 · 3 obs

○ 2015-08-02 00:17:46
● 2026-03-04 10:37:16
● 2026-03-25 05:40:34

●NSns.osouji-jack.jp2015-08-02 → 2026-03-25 · 2 obs

● 2015-08-02 00:17:46
● 2026-03-25 05:40:34

●MXmail.osouji-jack.jp2015-08-02 → 2026-03-25 · 2 obs

● 2015-08-02 00:17:46
● 2026-03-25 05:40:34

○A106.186.69.162019-12-31 → 2019-12-31 · 4 obs

○ 2017-02-19 01:28:18
● 2019-12-31 21:45:30
○ 2026-03-04 10:37:16
○ 2026-03-25 05:40:34

●A114.17.21.1452026-03-04 → 2026-03-25 · 3 obs

○ 2019-12-31 21:45:30
● 2026-03-04 10:37:16
● 2026-03-25 05:40:34

○A118.155.214.762015-08-02 → 2017-02-19 · 4 obs

● 2015-08-02 00:17:46
● 2017-02-19 01:28:18
○ 2019-12-31 21:45:30
○ 2026-03-25 05:40:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
osouji-jack.jp	dns19.n-server.com, dns136.n-server.com	-

✅ Authoritative Response

Server:114.17.21.145

NS records: dns19.n-server.com, dns136.n-server.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osouji-jack.jp (unsigned zone)

⏱️ Timing

Total: 1513ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`114.17.21.145`
NS	1	`ns.osouji-jack.jp`
MX	1	`mail.osouji-jack.jp (pri: 10)`
TXT	1	`v=spf1 +a +mx -all +a:dns19.n-server.com`
SOA	1	`ns.osouji-jack.jp plesk.purenic.jp`

Analysis

Hierarchy

osouji-jack.jp is the parent of ns.osouji-jack.jp and mail.osouji-jack.jp.

IP Addresses

osouji-jack.jp points to an IP address: 114.17.21.145.

other host names include mail.keika-hosobata.co.jp, katsuraoyagi.co.jp, n-ishijima.com, dns19.n-server.com and ns.beppu-home.co.jp; they share IP numbers with osouji-jack.jp.

Name Servers

osouji-jack.jp is delegated to three name servers dns136.n-server.com, dns19.n-server.com and ns.osouji-jack.jp.

osouji-jack.jp at least partially shares name servers with other domains, for instance cafe-temps-tendre.com, totsukaseikotsu.com, nishikimiki.com, glrow.com and hairdesignh2.com.

these name servers are commonly used with dns15.n-server.com, dns5.n-server.com, dns10.n-server.com, dns7.n-server.com, dns12.n-server.com, dns14.n-server.com, dns20.n-server.com, dns3.n-server.com, dns16.n-server.com and dns21.n-server.com.

Host names with one IP number:

dns136.n-server.com points to: 114.17.21.136.

dns19.n-server.com points to: 114.17.21.145.

ns.osouji-jack.jp points to: 114.17.21.145.

Host names pointing to 114.17.21.145: dns19.n-server.com and ns.osouji-jack.jp.

Mail Servers

osouji-jack.jp is handled by a single mail server, mail.osouji-jack.jp.

The host name mail.osouji-jack.jp points to IP 114.17.21.145.

osouji-jack.jp - robtex.com

osouji-jack.jp

jp