`cookweb.jp`

DNSSEC	⚠️ Not signed
A	183.181.88.24^{🇯🇵 XSERVER-AS183.181.88.0/23 XSERVER Inc.}
		PTR	`sv8023.xserver.jp`
NS	`ns1.value-domain.com` ⭐
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.52.161^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.value-domain.com`
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.53.115^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.52.161^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx1.cookweb.jp` ⭐
		A	183.181.88.24^{🇯🇵 XSERVER-AS183.181.88.0/23 XSERVER Inc.}
			PTR	`sv8023.xserver.jp`
MX	`mx2.cookweb.jp`⁽²⁰⁾
		A	183.181.88.24^{🇯🇵 XSERVER-AS183.181.88.0/23 XSERVER Inc.}
			PTR	`sv8023.xserver.jp`
TXT	`google-site-verification=OqSoDyUy2FxFmsWZsNxuMplxfRHKexIdbiIfYxG2-LU`
TXT	`v=spf1 ip4:150.95.131.99 ip4:183.181.88.24 ~all`
SOA	`ns1.value-domain.com`hostmaster@cookweb.jp 2025-11-21 #0

`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=1776019503

Previously MX for

cookweb.jp

Subdomains

mx2.cookweb.jp

mx1.cookweb.jp

Same first word

cookweb.net

cookweb.de

cookweb.jp

cookweb.co.uk

Similar names

webcook.ru

bookwec.com

kobecow.com

webcook.eu

webcook.cz

cowkobe.com

webcook.net

cokoweb.de

webcook.jp

webcook.ch

DNS History

9 records (6 active, 3 former)

●NSns1.value-domain.com2015-09-02 → 2026-04-12 · 2 obs

● 2015-09-02 18:15:22
● 2026-04-12 20:05:24

●NSns2.value-domain.com2015-09-02 → 2026-04-12 · 2 obs

● 2015-09-02 18:15:22
● 2026-04-12 20:05:24

●NSns3.value-domain.com2026-03-26 → 2026-04-12 · 3 obs

○ 2015-09-02 18:15:22
● 2026-03-26 14:02:12
● 2026-04-12 20:05:24

○MXcookweb.jp2015-09-02 → 2017-02-14 · 4 obs

● 2015-09-02 18:15:22
● 2017-02-14 09:42:24
○ 2019-04-07 11:36:26
○ 2026-04-12 20:05:24

●MXmx1.cookweb.jp2019-04-07 → 2026-04-12 · 3 obs

○ 2017-02-14 09:42:24
● 2019-04-07 11:36:26
● 2026-04-12 20:05:24

●MXmx2.cookweb.jp2019-04-07 → 2026-04-12 · 3 obs

○ 2017-02-14 09:42:24
● 2019-04-07 11:36:26
● 2026-04-12 20:05:24

○A150.95.131.992019-04-07 → 2019-04-07 · 4 obs

○ 2017-02-14 09:42:24
● 2019-04-07 11:36:26
○ 2026-03-26 14:02:12
○ 2026-04-12 20:05:24

●A183.181.88.242026-03-26 → 2026-04-12 · 3 obs

○ 2019-04-07 11:36:26
● 2026-03-26 14:02:12
● 2026-04-12 20:05:24

○A203.189.105.152015-09-02 → 2017-02-14 · 4 obs

● 2015-09-02 18:15:22
● 2017-02-14 09:42:24
○ 2019-04-07 11:36:26
○ 2026-04-12 20:05:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	c.dns.jp, a.dns.jp, e.dns.jp, g.dns.jp...	-
cookweb.jp	ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com	-

✅ Authoritative Response

Server:172.64.52.38

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cookweb.jp (unsigned zone)

⏱️ Timing

Total: 724ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.181.88.24`
NS	2	`ns1.value-domain.com, ns2.value-domain.com`
MX	2	`mx1.cookweb.jp (pri: 10), mx2.cookweb.jp (pri: 20)`
TXT	2	`google-site-verification=OqSoDyUy2FxFmsW, v=spf1 ip4:150.95.131.99 ip4:183.181.88.`
SOA	1	`ns1.value-domain.com hostmaster.cookweb.`

Analysis

Hierarchy

cookweb.jp is a parent of mx2.cookweb.jp and mx1.cookweb.jp.

IP Addresses

cookweb.jp resolves to one IP number: 183.181.88.24.

other host names including mx2.cookweb.jp, www.cellera-inc.com, aki-la.com, hinix.com and mail.hinix.com share IP numbers with cookweb.jp.

Name Servers

cookweb.jp is delegated to three name servers ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com.

cookweb.jp at least partially shares name servers with other domains, for instance webjapan.com, fitss.com, teltels.com, kurashi-chiebukuro.net and ez00.net.

These name servers are commonly used with ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com, ns12.value-domain.com and ns13.value-domain.com.

Host names with two IP numbers: ns1.value-domain.com points to 172.64.52.38 and 172.64.52.161; ns2.value-domain.com points to 172.64.53.3 and 172.64.53.115; ns3.value-domain.com points to 172.64.52.38 and 172.64.52.161. Host names that point to 172.64.52.38 are ns1.value-domain.com and ns3.value-domain.com. Host names that point to 172.64.52.161 are ns1.value-domain.com and ns3.value-domain.com.

Mail Servers

Two mail servers handle cookweb.jp: mx1.cookweb.jp and mx2.cookweb.jp.

Host names with a single IP:

mx1.cookweb.jp points to 183.181.88.24.

mx2.cookweb.jp points to 183.181.88.24.

Host names pointing to 183.181.88.24: mx1.cookweb.jp and mx2.cookweb.jp.

cookweb.jp - robtex.com

cookweb.jp

jp