mtsk.co.jp - robtex.com
mtsk.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.227.244.78🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE | ||||||
| PTR | mtsk.co.jp | ||||||
| NS | asns1.customer.ne.jp ⭐ | ||||||
| A | 210.150.254.86🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE | ||||||
| PTR | asns1.customer.ne.jp | ||||||
| NS | asns2.customer.ne.jp | ||||||
| A | 210.150.254.94🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE | ||||||
| PTR | asns2.customer.ne.jp | ||||||
| MX | mail.mtsk.co.jp ⭐ | ||||||
| A | 140.227.244.78🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE | ||||||
| PTR | mtsk.co.jp | ||||||
| TXT | v=spf1 +ip4:140.227.244.78/32 +ip4:140.227.244.2/32 include:fmx.etius.jp ~all | ||||||
| SOA | asns1.customer.ne.jpidchosting-ml@ml-fb.fujifilm.com serial=1600043610 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
mail.mtsk.co.jp |
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NSasns1.customer.ne.jp2026-03-27 → 2026-04-24 · 3 obs
● 2026-03-27 13:47:54
● 2026-04-24 22:05:18
●NSasns2.customer.ne.jp2026-03-27 → 2026-04-24 · 3 obs
● 2026-03-27 13:47:54
● 2026-04-24 22:05:18
○NSname.technowave.ad.jp2017-03-25 → 2020-01-18 · 4 obs
● 2020-01-18 16:58:46
○ 2026-03-27 13:47:54
○ 2026-04-24 22:05:18
○NSns.technowave.ne.jp2017-03-25 → 2020-01-18 · 4 obs
● 2020-01-18 16:58:46
○ 2026-03-27 13:47:54
○ 2026-04-24 22:05:18
●MXmail.mtsk.co.jp2026-03-27 → 2026-04-24 · 3 obs
● 2026-03-27 13:47:54
● 2026-04-24 22:05:18
○MXmx-0.aams6.jp2017-03-25 → 2020-01-18 · 4 obs
● 2020-01-18 16:58:46
○ 2026-03-27 13:47:54
○ 2026-04-24 22:05:18
○MXmx-1.aams6.jp2017-03-25 → 2020-01-18 · 4 obs
● 2020-01-18 16:58:46
○ 2026-03-27 13:47:54
○ 2026-04-24 22:05:18
○MXmx.aams6.jp2017-03-25 → 2020-01-18 · 4 obs
● 2020-01-18 16:58:46
○ 2026-03-27 13:47:54
○ 2026-04-24 22:05:18
●A140.227.244.782026-03-27 → 2026-04-24 · 3 obs
● 2026-03-27 13:47:54
● 2026-04-24 22:05:18
○A180.37.190.412017-03-25 → 2020-01-18 · 4 obs
● 2020-01-18 16:58:46
○ 2026-03-27 13:47:54
○ 2026-04-24 22:05:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| mtsk.co.jp | asns1.customer.ne.jp, asns2.customer.ne.jp | - |
✅ Authoritative Response
Server:210.150.254.86
NS records: asns1.customer.ne.jp, asns2.customer.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mtsk.co.jp (unsigned zone)
⏱️ Timing
Total: 1589ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.227.244.78 |
| NS | 2 | asns2.customer.ne.jp, asns1.customer.ne.jp |
| MX | 1 | mail.mtsk.co.jp (pri: 10) |
| TXT | 1 | v=spf1 +ip4:140.227.244.78/32 +ip4:140.2 |
| SOA | 1 | asns1.customer.ne.jp idchosting-ml.ml-fb |
Analysis
Hierarchy
mtsk.co.jp is the parent of mail.mtsk.co.jp.
IP Addresses
mtsk.co.jp resolves to one IP number: 140.227.244.78.
Other host names, for instance mail.mtsk.co.jp, share IP numbers with mtsk.co.jp.
Name Servers
mtsk.co.jp is delegated to two name servers asns1.customer.ne.jp and asns2.customer.ne.jp.
mtsk.co.jp shares the same name server setup as other domains, for instance tapc.gr.jp, networks31.jp, system-net.co.jp, v2401-048.mailsecure.jp and to-yokako.co.jp.
mtsk.co.jp at least partially shares name servers with other domains, for instance okazuya.net.
Host names with one IP number:
asns1.customer.ne.jp points to 210.150.254.86
asns2.customer.ne.jp points to 210.150.254.94
Mail Servers
mtsk.co.jp is handled by a single mail server, mail.mtsk.co.jp.
mail.mtsk.co.jp resolves to IP 140.227.244.78.