`coop-communications.com`

DNSSEC	⚠️ Not signed
A	163.49.61.115^{🇯🇵 IIJ-AS163.49.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
		PTR	`coop-communications.com`
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`
		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`
		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`
MX	`mx.service.sver.jp` ⭐
		A	153.126.159.143^{🇯🇵 SAKURA-A153.126.128.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
			PTR	`teles.silpheed.jp`
TXT	`v=spf1 +ip4:153.126.159.143 +ip4:163.49.61.115 ~all`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1705990957

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778861646

PTR for

115.61.49.163.in-addr.arpa

Same first word

coop-communications.com

DNS History

8 records (6 active, 2 former)

●NS01.dnsv.jp2016-12-18 → 2026-05-15 · 2 obs

● 2016-12-18 12:30:58
● 2026-05-15 16:14:52

●NS02.dnsv.jp2016-12-18 → 2026-05-15 · 2 obs

● 2016-12-18 12:30:58
● 2026-05-15 16:14:52

●NS03.dnsv.jp2016-12-18 → 2026-05-15 · 2 obs

● 2016-12-18 12:30:58
● 2026-05-15 16:14:52

●NS04.dnsv.jp2016-12-18 → 2026-05-15 · 2 obs

● 2016-12-18 12:30:58
● 2026-05-15 16:14:52

○MXair.silpheed.jp2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 12:30:58
○ 2017-10-15 05:49:12
○ 2026-05-15 16:14:52

●MXmx.service.sver.jp2026-04-10 → 2026-05-15 · 3 obs

○ 2017-10-15 05:49:12
● 2026-04-10 03:30:54
● 2026-05-15 16:14:52

○MXwater.silpheed.jp2017-10-15 → 2017-10-15 · 4 obs

○ 2016-12-18 12:30:58
● 2017-10-15 05:49:12
○ 2026-04-10 03:30:54
○ 2026-05-15 16:14:52

●A163.49.61.1152016-12-18 → 2026-05-15 · 2 obs

● 2016-12-18 12:30:58
● 2026-05-15 16:14:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coop-communications.com	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	-

✅ Authoritative Response

Server:157.7.32.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coop-communications.com (unsigned zone)

⏱️ Timing

Total: 943ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`163.49.61.115`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`mx.service.sver.jp (pri: 10)`
TXT	1	`v=spf1 +ip4:153.126.159.143 +ip4:163.49.`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

Analysis

IP Addresses

coop-communications.com points to IP number: 163.49.61.115.

Name Servers

coop-communications.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

coop-communications.com at least partially shares name servers with other domains, for instance bssasp.net, malf-lab.net, poplane.com, logface.net and zuttoride.jp.

Two IPs per host:

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

One IP per host:

02.dnsv.jp points to 157.7.33.53

Mail Servers

coop-communications.com is handled by a single mail server, mx.service.sver.jp.

coop-communications.com shares the same mail server setup as other domains such as tbgu-alumni.jp, habataku.jp, a9a.jp and mx.service.sver.jp.

mx.service.sver.jp points to a single IP: 153.126.159.143.

coop-communications.com - robtex.com