prospec-co.jp - robtex.com
prospec-co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.51🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | prospec-co.jp ⭐ | ||||||
| A | 153.122.205.51🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | dnss10.so-net.ne.jp | ||||||
| A | 210.139.255.1🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss10.so-net.ne.jp | ||||||
| NS | dnss11.so-net.ne.jp | ||||||
| A | 210.139.255.17🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss11.so-net.ne.jp | ||||||
| MX | mx.prospec-co.jp ⭐ | ||||||
| A | 153.122.206.94🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| TXT | v=spf1 include:_spf.shared-server.net +mx ~all | ||||||
| SOA | prospec-co.jphostmaster@prospec-co.jp serial=2602171610 | ||||||
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=1774762203 | ||||||
NS for
prospec-co.jp |
Subdomains
mx.prospec-co.jp |
Same first word
prospec-co.jp |
DNS History
6 records (5 active, 1 former)
●NSdnss10.so-net.ne.jp2015-06-12 → 2026-03-29 · 2 obs
● 2026-03-29 06:01:34
●NSdnss11.so-net.ne.jp2015-06-12 → 2026-03-29 · 2 obs
● 2026-03-29 06:01:34
●NSprospec-co.jp2015-06-12 → 2026-03-29 · 2 obs
● 2026-03-29 06:01:34
●MXmx.prospec-co.jp2015-06-12 → 2026-03-29 · 2 obs
● 2026-03-29 06:01:34
●A153.122.205.512026-03-11 → 2026-03-29 · 3 obs
● 2026-03-11 16:39:22
● 2026-03-29 06:01:34
○A211.13.196.1582015-06-12 → 2018-10-03 · 4 obs
● 2018-10-03 13:43:20
○ 2026-03-11 16:39:22
○ 2026-03-29 06:01:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| prospec-co.jp | dnss10.so-net.ne.jp, dnss11.so-net.ne.jp | - |
✅ Authoritative Response
Server:210.139.255.1
NS records: dnss10.so-net.ne.jp, dnss11.so-net.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for prospec-co.jp (unsigned zone)
⏱️ Timing
Total: 1320ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.205.51 |
| NS | 2 | dnss11.so-net.ne.jp, dnss10.so-net.ne.jp |
| MX | 1 | mx.prospec-co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.shared-server.net +m |
| SOA | 1 | prospec-co.jp hostmaster.prospec-co.jp |
Analysis
Hierarchy
The parent of mx.prospec-co.jp is prospec-co.jp.
Name Server Role
prospec-co.jp serves as a name server for prospec-co.jp.
dnss10.so-net.ne.jp and dnss11.so-net.ne.jp are commonly used as name servers together with prospec-co.jp.
IP Addresses
prospec-co.jp points to an IP address: 153.122.205.51.
other host names include otai.co.jp, reliant-kamon.com, nenkinsha-u.org, tokuden.com and yoshey.com; they share IP numbers with prospec-co.jp.
Name Servers
prospec-co.jp is delegated to three name servers: prospec-co.jp, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp.
prospec-co.jp at least partially shares name servers with other domains, for instance art-produce.com, mopower.co.jp, hashiguchi.net, neographic.net and kakinoki.co.jp.
These name servers are commonly used with sports-moves.com and kokubo-mfg.co.jp.
Host names with one IP:
prospec-co.jp points to 153.122.205.51; dnss10.so-net.ne.jp points to 210.139.255.1; dnss11.so-net.ne.jp points to 210.139.255.17.
Mail Servers
prospec-co.jp is handled by a single mail server, mx.prospec-co.jp.
The host name mx.prospec-co.jp points to IP 153.122.206.94.