`zweck.jp`

DNSSEC	⚠️ Not signed
A	58.80.137.181^{🇯🇵 UCOM58.80.0.0/15 ARTERIA Networks Corporation(UCOM)}
NS	`ns2.systec2000.com` ⭐
		A	160.16.118.216^{🇯🇵 SAKURA-B160.16.0.0/17 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
			PTR	`ns2.systec2000.com`
NS	`ns.systec2000.com`
		A	58.80.137.170^{🇯🇵 UCOM58.80.0.0/15 ARTERIA Networks Corporation(UCOM)}
MX	`mail.zweck.jp` ⭐
		A	58.80.137.169^{🇯🇵 UCOM58.80.0.0/15 ARTERIA Networks Corporation(UCOM)}
TXT	`v=spf1 +ip4:180.147.236.202 +ip4:180.147.236.209 +ip4:58.80.137.160/27 ~all`
SOA	`ns.systec2000.com`postmaster@zweck.jp 2024-01-25 #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=1786543203

Subdomains

mail.zweck.jp

Same first word

zweck.ch

zweck.jp

zweck.net

zweck.com

zweck.de

Similar names

ckzew.com

wzcke.com

DNS History

5 records (4 active, 1 former)

●NSns.systec2000.com2015-07-06 → 2026-08-12 · 2 obs

● 2015-07-06 13:16:24
● 2026-08-12 15:04:54

●NSns2.systec2000.com2015-07-06 → 2026-08-12 · 2 obs

● 2015-07-06 13:16:24
● 2026-08-12 15:04:54

●MXmail.zweck.jp2015-07-06 → 2026-08-12 · 4 obs

● 2015-07-06 13:16:24
● 2018-08-10 00:12:52
○ 2026-07-10 19:21:26
● 2026-08-12 15:04:54

○A58.80.137.1642015-07-06 → 2018-08-10 · 4 obs

● 2015-07-06 13:16:24
● 2018-08-10 00:12:52
○ 2026-06-29 17:36:04
○ 2026-08-12 15:04:54

●A58.80.137.1812026-06-29 → 2026-08-12 · 4 obs

○ 2018-08-10 00:12:52
● 2026-06-29 17:36:04
○ 2026-07-10 19:21:26
● 2026-08-12 15:04:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, g.dns.jp, e.dns.jp, b.dns.jp...	-
zweck.jp	ns2.systec2000.com, ns.systec2000.com	-

✅ Authoritative Response

Server:58.80.137.170

NS records: ns2.systec2000.com, ns.systec2000.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zweck.jp (unsigned zone)

⏱️ Timing

Total: 1253ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`58.80.137.181`
NS	2	`ns2.systec2000.com, ns.systec2000.com`
MX	1	`mail.zweck.jp (pri: 10)`
TXT	1	`v=spf1 +ip4:180.147.236.202 +ip4:180.147`
SOA	1	`ns.systec2000.com postmaster.zweck.jp`

Analysis

Hierarchy

The domain mail.zweck.jp falls under the parent zweck.jp.

IP Addresses

zweck.jp resolves to just one IP address, 58.80.137.181.

Two other host names, along with kago-selp.jp, kagoshima-yakult.jp and www.jubilo-net.co.jp, also share IP numbers with zweck.jp.

Name Servers

Two name servers handle the delegation for zweck.jp: ns2.systec2000.com and ns.systec2000.com.

zweck.jp shares its NS records with other domains, for example bunka-inc.jp, selesite.com, delsurjapan.com and two others.

zweck.jp is at least partially co-delegated on name servers with other domains, such as bus1.jp.

Each of ns2.systec2000.com and ns.systec2000.com has one IP address: ns2.systec2000.com uses 160.16.118.216 and ns.systec2000.com uses 58.80.137.170.

Mail Servers

The sole mail server for zweck.jp is mail.zweck.jp.

mail.zweck.jp carries a single IP number, which is 58.80.137.169.

zweck.jp - robtex.com

zweck.jp

jp