cwv-ob.net - robtex.com

cwv-ob.net

DNSSEC⚠️ Not signed
A2400:8500:1301:162::20:1🇯🇵 GMO-INTERNET2400:8500:1000::/36 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRv2010.coreserver.jp
A163.44.176.20🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXmail.cwv-ob.net ⭐
A163.44.176.20🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRv2010.coreserver.jp
TXTv=spf1 ip4:163.44.176.20 include:mxr.valueserver.jp ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1753277352

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778661266

Subdomains

mail.cwv-ob.net

Same first word

cwv-ob.net

DNS History

8 records (7 active, 1 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXmail.cwv-ob.netA163.44.176.202400:8500:1301:162::20:1202.172.28.22
●NS01.dnsv.jp2015-08-15 → 2026-05-13 · 2 obs
● 2015-08-15 15:53:02
● 2026-05-13 09:04:36
●NS02.dnsv.jp2015-08-15 → 2026-05-13 · 2 obs
● 2015-08-15 15:53:02
● 2026-05-13 09:04:36
●NS03.dnsv.jp2015-08-15 → 2026-05-13 · 2 obs
● 2015-08-15 15:53:02
● 2026-05-13 09:04:36
●NS04.dnsv.jp2015-08-15 → 2026-05-13 · 2 obs
● 2015-08-15 15:53:02
● 2026-05-13 09:04:36
●MXmail.cwv-ob.net2015-08-15 → 2026-05-13 · 2 obs
● 2015-08-15 15:53:02
● 2026-05-13 09:04:36
●A163.44.176.202026-03-02 → 2026-05-13 · 3 obs
○ 2019-01-25 23:29:50
● 2026-03-02 05:25:02
● 2026-05-13 09:04:36
○A202.172.28.222015-08-15 → 2019-01-25 · 4 obs
● 2015-08-15 15:53:02
● 2019-01-25 23:29:50
○ 2026-03-02 05:25:02
○ 2026-05-13 09:04:36
●A2400:8500:1301:162::20:12026-03-02 → 2026-05-13 · 3 obs
○ 2019-01-25 23:29:50
● 2026-03-02 05:25:02
● 2026-05-13 09:04:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
cwv-ob.net01.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 cwv-ob.net (unsigned zone)

⏱️ Timing

Total: 1163ms | Queries: -

📄 Records

TypeCountSample Data
A1163.44.176.20
AAAA12400:8500:1301:162::20:1
NS401.dnsv.jp, 02.dnsv.jp...
MX1mail.cwv-ob.net (pri: 10)
TXT1v=spf1 ip4:163.44.176.20 include:mxr.val
SOA101.dnsv.jp hostmaster.dnsv.jp

Analysis

Hierarchy

cwv-ob.net is the parent of mail.cwv-ob.net.

IP Addresses

cwv-ob.net resolves to two IPs: 2400:8500:1301:162::20:1 and 163.44.176.20.

other host names for instance www.nakanoman.net, heizone.com, boutique-ecru.com, t-e-n.biz and m2plan.co.jp share IP numbers with cwv-ob.net.

Name Servers

cwv-ob.net is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

cwv-ob.net at least partially shares name servers with other domains, for instance abeam.tv, noticierostelevisa.online, tomomi-n.com, cpslabo.com and magi-lab.com.

Two IPs for hosts:

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 for a host:

02.dnsv.jp points to: 157.7.33.53

Mail Servers

cwv-ob.net is handled by a single mail server, mail.cwv-ob.net.

Host name mail.cwv-ob.net points to IP address 163.44.176.20.