chosa4.jp - robtex.com
chosa4.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 163.43.30.48🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | centos6-cm3-server02.kbb-id.co.jp | ||||||
| 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 | sv7651.xserver.jp ⭐ | ||||||
| A | 183.181.79.12🇯🇵 XSERVER-AS183.181.79.0/24 XSERVER Inc. | ||||||
| PTR | sv7651.xserver.jp | ||||||
| TXT | v=spf1 a:chosa4.jp a:m.chosa4.jp mx a:www3177.sakura.ne.jp ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1660806754 | ||||||
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.jproot@dns.jp serial=1777037403 | ||||||
Previously MX for
chosa4.jp |
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
●NS01.dnsv.jp2026-04-09 → 2026-04-24 · 3 obs
● 2026-04-09 05:14:28
● 2026-04-24 13:51:24
●NS02.dnsv.jp2026-04-09 → 2026-04-24 · 3 obs
● 2026-04-09 05:14:28
● 2026-04-24 13:51:24
●NS03.dnsv.jp2026-04-09 → 2026-04-24 · 3 obs
● 2026-04-09 05:14:28
● 2026-04-24 13:51:24
●NS04.dnsv.jp2026-04-09 → 2026-04-24 · 3 obs
● 2026-04-09 05:14:28
● 2026-04-24 13:51:24
○NSns1.xserver.jp2019-03-17 → 2019-03-17 · 3 obs
○ 2026-04-09 05:14:28
○ 2026-04-24 13:51:24
○NSns2.xserver.jp2019-03-17 → 2019-03-17 · 3 obs
○ 2026-04-09 05:14:28
○ 2026-04-24 13:51:24
○NSns3.xserver.jp2019-03-17 → 2019-03-17 · 3 obs
○ 2026-04-09 05:14:28
○ 2026-04-24 13:51:24
○NSns4.xserver.jp2019-03-17 → 2019-03-17 · 3 obs
○ 2026-04-09 05:14:28
○ 2026-04-24 13:51:24
○NSns5.xserver.jp2019-03-17 → 2019-03-17 · 3 obs
○ 2026-04-09 05:14:28
○ 2026-04-24 13:51:24
○MXchosa4.jp2019-03-17 → 2019-03-17 · 3 obs
○ 2026-04-09 05:14:28
○ 2026-04-24 13:51:24
●MXsv7651.xserver.jp2026-04-09 → 2026-04-24 · 3 obs
● 2026-04-09 05:14:28
● 2026-04-24 13:51:24
●A163.43.30.482026-04-09 → 2026-04-24 · 3 obs
● 2026-04-09 05:14:28
● 2026-04-24 13:51:24
○A183.181.79.122019-03-17 → 2019-03-17 · 3 obs
○ 2026-04-09 05:14:28
○ 2026-04-24 13:51:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| chosa4.jp | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.34.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for chosa4.jp (unsigned zone)
⏱️ Timing
Total: 982ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.43.30.48 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | sv7651.xserver.jp (pri: 10) |
| TXT | 1 | v=spf1 a:chosa4.jp a:m.chosa4.jp mx a:ww |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)
Analysis
IP Addresses
chosa4.jp maps to IP address 163.43.30.48.
Other host names for instance centos6-cm3-server02.kbb-id.co.jp and gvc-s.com share IP numbers with chosa4.jp.
Name Servers
chosa4.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
chosa4.jp at least partially shares name servers with other domains such as carenavi.info, keizoku-sys.com, allopurinol1.com, ecc-fun-nihongo.com and wllgonkatn.net.
Host names with two IP numbers:
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.
Host names with one IP number:
02.dnsv.jp points to: 157.7.33.53.
Mail Servers
chosa4.jp is handled by a single mail server, sv7651.xserver.jp.
sv7651.xserver.jp points to one IP number: 183.181.79.12.