derivative.jp - robtex.com
derivative.jp
| DNSSEC | β οΈ Not signed | ||||||
| A | 34.111.141.225πΊπΈ Google34.108.0.0/14 | ||||||
| PTR | 225.141.111.34.bc.googleusercontent.com | ||||||
| NS | 01.dnsv.jp β | ||||||
| A | 2400:8500:3300::53π―π΅ GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53π―π΅ GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53π―π΅ GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53π―π΅ GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53π―π΅ GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53π―π΅ GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53π―π΅ GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | e1.valueserver.jp β | ||||||
| A | 157.7.184.11π―π΅ GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| TXT | v=spf1 include:mxr.valueserver.jp ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1780199596 | ||||||
jp
| DNSSEC | π Signed (DS record present) | ||||||
| NS | z.dns.jp β | ||||||
| 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=1786602602 | ||||||
Previously NS for
derivative.jp |
Previously MX for
derivative.jp |
Same first word
Similar names
DNS History
14 records (6 active, 8 former)
βNS01.dnsv.jp2026-08-03 β 2026-08-13 Β· 3 obs
β 2026-08-03 08:10:58
β 2026-08-13 06:55:26
βNS02.dnsv.jp2026-08-03 β 2026-08-13 Β· 3 obs
β 2026-08-03 08:10:58
β 2026-08-13 06:55:26
βNS03.dnsv.jp2026-08-03 β 2026-08-13 Β· 3 obs
β 2026-08-03 08:10:58
β 2026-08-13 06:55:26
βNS04.dnsv.jp2026-08-03 β 2026-08-13 Β· 3 obs
β 2026-08-03 08:10:58
β 2026-08-13 06:55:26
βNSderivative.jp2016-11-28 β 2016-11-28 Β· 4 obs
β 2016-11-28 16:05:56
β 2026-08-03 08:10:58
β 2026-08-13 06:55:26
βNSdns01.muumuu-domain.com2016-11-28 β 2016-11-28 Β· 4 obs
β 2016-11-28 16:05:56
β 2026-08-03 08:10:58
β 2026-08-13 06:55:26
βNSdns02.muumuu-domain.com2016-11-28 β 2016-11-28 Β· 4 obs
β 2016-11-28 16:05:56
β 2026-08-03 08:10:58
β 2026-08-13 06:55:26
βNSns.a09.jp2015-08-19 β 2016-03-22 Β· 4 obs
β 2016-03-22 05:40:42
β 2016-11-28 16:05:56
β 2026-08-13 06:55:26
βNSns.derivative.jp2015-08-19 β 2016-03-22 Β· 4 obs
β 2016-03-22 05:40:42
β 2016-11-28 16:05:56
β 2026-08-13 06:55:26
βMXderivative.jp2015-08-19 β 2016-03-22 Β· 4 obs
β 2016-03-22 05:40:42
β 2016-11-28 16:05:56
β 2026-08-13 06:55:26
βMXe1.valueserver.jp2026-08-03 β 2026-08-13 Β· 3 obs
β 2026-08-03 08:10:58
β 2026-08-13 06:55:26
βMXmail.derivative.jp2016-11-28 β 2016-11-28 Β· 4 obs
β 2016-11-28 16:05:56
β 2026-08-03 08:10:58
β 2026-08-13 06:55:26
βA133.242.143.2052015-08-19 β 2016-11-28 Β· 4 obs
β 2016-11-28 16:05:56
β 2026-08-03 08:10:58
β 2026-08-13 06:55:26
βA34.111.141.2252026-08-03 β 2026-08-13 Β· 3 obs
β 2026-08-03 08:10:58
β 2026-08-13 06:55:26
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| derivative.jp | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | 7 records |
β Authoritative Response
Server:157.7.34.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for derivative.jp (unsigned zone)
β±οΈ Timing
Total: 878ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.111.141.225 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | e1.valueserver.jp (pri: 10) |
| TXT | 1 | v=spf1 include:mxr.valueserver.jp ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
π Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)
Analysis
IP Addresses
derivative.jp resolves to just one IP address, 34.111.141.225.
Two other host names, along with off-dx.com, fujib.com and dulp.net, also share IP numbers with derivative.jp.
Name Servers
The NS records for derivative.jp point to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
The name servers of derivative.jp overlap at least partially with those of other domains β among them cdi-t.com, reiko-i.jp, live-event.site and two more.
Host names that have two IP addresses:
01.dnsv.jp maps to two IP addresses β 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp maps to two IP addresses β 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp maps to two IP addresses β 157.7.35.53 and 2400:8500:3fff::53.
Host names that point to one IP address:
02.dnsv.jp points to the IP address 157.7.33.53.
Mail Servers
The sole mail server for derivative.jp is e1.valueserver.jp.
The MX records for derivative.jp match those of other domains β including e1.valueserver.jp and lifepark.biz.
There is one IP number for e1.valueserver.jp: 157.7.184.11.