sp-co.jp - robtex.com
sp-co.jp
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=1786244402 | ||||||
NS for
sp-co.jp |
Same first word
Similar names
DNS History
11 records (9 active, 2 former)
●NSdns01.muumuu-domain.com2015-08-18 → 2026-08-09 · 2 obs
● 2026-08-09 03:15:04
●NSdns02.muumuu-domain.com2015-08-18 → 2026-08-09 · 2 obs
● 2026-08-09 03:15:04
●NSsp-co.jp2015-08-18 → 2026-08-09 · 2 obs
● 2026-08-09 03:15:04
●MXalt1.aspmx.l.google.com2015-08-18 → 2026-08-09 · 2 obs
● 2026-08-09 03:15:04
●MXalt2.aspmx.l.google.com2015-08-18 → 2026-08-09 · 2 obs
● 2026-08-09 03:15:04
●MXaspmx.l.google.com2015-08-18 → 2026-08-09 · 2 obs
● 2026-08-09 03:15:04
●MXaspmx2.googlemail.com2015-08-18 → 2026-08-09 · 2 obs
● 2026-08-09 03:15:04
●MXaspmx3.googlemail.com2015-08-18 → 2026-08-09 · 2 obs
● 2026-08-09 03:15:04
●A118.27.125.1802026-05-12 → 2026-08-09 · 3 obs
● 2026-05-12 23:02:04
● 2026-08-09 03:15:04
○A157.7.107.1302016-05-12 → 2017-04-27 · 5 obs
● 2016-05-12 20:53:54
● 2017-04-27 02:41:02
○ 2026-05-12 23:02:04
○ 2026-08-09 03:15:04
○A203.189.109.2432015-08-18 → 2016-04-14 · 4 obs
● 2016-04-14 10:51:00
○ 2016-05-12 20:53:54
○ 2026-08-09 03:15:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| sp-co.jp | dns01.muumuu-domain.com, dns02.muumuu-domain.com | - |
✅ Authoritative Response
Server:160.251.249.62
NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sp-co.jp (unsigned zone)
⏱️ Timing
Total: 2181ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 118.27.125.180 |
| NS | 2 | dns01.muumuu-domain.com, dns02.muumuu-domain.com |
| MX | 5 | ALT1.ASPMX.L.GOOGLE.COM (pri: 5), ASPMX.L.GOOGLE.COM (pri: 1)... |
| TXT | 2 | v=spf1 include:_spf.google.com include:_, MS=E90A2D5D71CF4C30CD2E0564A1661A7F772B7 |
| SOA | 1 | sp-co.jp postmaster.sp-co.jp |
Analysis
Name Server Role
sp-co.jp has sp-co.jp as one of its name servers, making it self-hosted for DNS delegation.
dns01.muumuu-domain.com and dns02.muumuu-domain.com frequently appear as name servers alongside sp-co.jp.
IP Addresses
sp-co.jp directs to one IP number, which is 118.27.125.180.
Among the host names that share IP numbers with sp-co.jp are tama-curo.info, tarumiya.com, tasuke-i.jp and two others.
Name Servers
The NS records for sp-co.jp list three name servers: sp-co.jp, dns01.muumuu-domain.com and dns02.muumuu-domain.com.
sp-co.jp shares at least some of its name servers with other domains, including pink-box.info, cictic.net, kbs-p.com and two others.
sp-co.jp has IP address 118.27.125.180, dns01.muumuu-domain.com has IP address 202.239.23.39 and dns02.muumuu-domain.com has IP address 160.251.249.62 — one address each.
Mail Servers
Mail for sp-co.jp is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
sp-co.jp shares at least some of its mail servers with other domains — for example nordicagolf.es, noahshepanek.com, heightsafetysolutions.com.au and two more.
It is common to find these mail servers paired with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.
Hosts with two IP numbers each:
The A records for aspmx2.googlemail.com return 192.178.234.26 and 2800:3f0:4003:c14::1a.
The A records for aspmx3.googlemail.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.
The A records for aspmx.l.google.com return 142.251.167.27 and 2607:f8b0:4004:c21::1a.
The A records for alt1.aspmx.l.google.com return 192.178.234.26 and 2800:3f0:4003:c14::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 2800:3f0:4003:c14::1a IP addresses.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 192.178.234.26 IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 2a00:1450:400b:c02::1a IP addresses.