mtkd.co.jp - robtex.com
mtkd.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 60.43.139.138🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | mtkd.co.jp | ||||||
| NS | mwns1.customer.ne.jp ⭐ | ||||||
| A | 210.150.23.210🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE | ||||||
| NS | mwns2.customer.ne.jp | ||||||
| A | 202.17.152.183🇯🇵 InfoSphere202.17.128.0/19 INFOSPHERE | ||||||
| MX | mtkd.co.jp ⭐ | ||||||
| A | 60.43.139.138🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | mtkd.co.jp | ||||||
| TXT | v=spf1 a include:_spf.bizmw.com ~all | ||||||
| SOA | mwns1.customer.ne.jphost-plan-ac@ntt.com serial=1613620083 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
PTR for
MX for
mtkd.co.jp |
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NSmwns1.customer.ne.jp2026-07-01 → 2026-07-19 · 3 obs
● 2026-07-01 22:39:32
● 2026-07-19 20:31:16
●NSmwns2.customer.ne.jp2026-07-01 → 2026-07-19 · 3 obs
● 2026-07-01 22:39:32
● 2026-07-19 20:31:16
○NSns-213.dns.jp-e1.cloudn-service.com2016-02-22 → 2016-12-14 · 5 obs
● 2016-02-22 23:36:48
● 2016-12-14 08:51:00
○ 2026-07-01 22:39:32
○ 2026-07-19 20:31:16
○NSns-214.dns.jp-w1.cloudn-service.com2016-02-22 → 2016-12-14 · 5 obs
● 2016-02-22 23:36:48
● 2016-12-14 08:51:00
○ 2026-07-01 22:39:32
○ 2026-07-19 20:31:16
○NSns-215.dns.us-e1.cloudn-service.com2016-02-22 → 2016-12-14 · 5 obs
● 2016-02-22 23:36:48
● 2016-12-14 08:51:00
○ 2026-07-01 22:39:32
○ 2026-07-19 20:31:16
○NSns1.secure.net2015-08-18 → 2015-11-19 · 4 obs
● 2015-11-19 03:32:18
○ 2016-02-22 23:36:48
○ 2026-07-19 20:31:16
○NSns2.secure.net2015-08-18 → 2015-11-19 · 4 obs
● 2015-11-19 03:32:18
○ 2016-02-22 23:36:48
○ 2026-07-19 20:31:16
●MXmtkd.co.jp2015-08-18 → 2026-07-19 · 2 obs
● 2026-07-19 20:31:16
●A60.43.139.1382026-07-01 → 2026-07-19 · 3 obs
● 2026-07-01 22:39:32
● 2026-07-19 20:31:16
○A61.112.11.952015-08-18 → 2016-12-14 · 4 obs
● 2016-12-14 08:51:00
○ 2026-07-01 22:39:32
○ 2026-07-19 20:31:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, d.dns.jp, f.dns.jp, g.dns.jp... | - |
| mtkd.co.jp | mwns2.customer.ne.jp, mwns1.customer.ne.jp | - |
✅ Authoritative Response
Server:202.17.152.183
NS records: mwns2.customer.ne.jp, mwns1.customer.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mtkd.co.jp (unsigned zone)
⏱️ Timing
Total: 1445ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 60.43.139.138 |
| NS | 2 | mwns2.customer.ne.jp, mwns1.customer.ne.jp |
| MX | 1 | mtkd.co.jp (pri: 10) |
| TXT | 1 | v=spf1 a include:_spf.bizmw.com ~all |
| SOA | 1 | mwns1.customer.ne.jp host-plan-ac.ntt.co |
Analysis
Mail Server Role
mtkd.co.jp is listed as a mail server for itself.
IP Addresses
mtkd.co.jp resolves to one IP address: 60.43.139.138.
Name Servers
DNS delegation for mtkd.co.jp points to two name servers: mwns1.customer.ne.jp and mwns2.customer.ne.jp.
mtkd.co.jp uses the same name servers as several other domains — among them erim.jp, pdservice.co.jp, matsudaguitar.join-us.jp and two more.
mtkd.co.jp has partial name server overlap with other domains, including imabari-hotelguide.jp.
mwns1.customer.ne.jp → 210.150.23.210 and mwns2.customer.ne.jp → 202.17.152.183: one IP number per host name.
Mail Servers
Mail for mtkd.co.jp is handled by one mail server — mtkd.co.jp.
mtkd.co.jp has exactly one IP number: 60.43.139.138.