tfdc.jp - robtex.com
tfdc.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 122.1.223.164🇯🇵 OCN122.1.0.0/16 (AS4713) CIDR BLOCK 81 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | tfdc.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 | mwbgw1.ocn.ad.jp ⭐ | ||||||
| A | 210.145.253.233🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| MX | mwbgw2.ocn.ad.jp ⭐ | ||||||
| A | 210.145.253.234🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| TXT | v=spf1 a include:_spf.bizmw.com ~all | ||||||
| SOA | mwns1.customer.ne.jphost-plan-ac@ntt.com serial=1613699783 | ||||||
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=1784364302 | ||||||
PTR for
Previously MX for
tfdc.jp |
Same first word
Similar names
DNS History
13 records (5 active, 8 former)
●NSmwns1.customer.ne.jp2026-07-01 → 2026-07-18 · 3 obs
● 2026-07-01 08:51:54
● 2026-07-18 09:16:06
●NSmwns2.customer.ne.jp2026-07-01 → 2026-07-18 · 3 obs
● 2026-07-01 08:51:54
● 2026-07-18 09:16:06
○NSns-207.dns.jp-e1.cloudn-service.com2016-01-24 → 2017-02-06 · 5 obs
● 2016-01-24 03:59:36
● 2017-02-06 04:13:30
○ 2026-07-01 08:51:54
○ 2026-07-18 09:16:06
○NSns-208.dns.jp-w1.cloudn-service.com2016-01-24 → 2017-02-06 · 5 obs
● 2016-01-24 03:59:36
● 2017-02-06 04:13:30
○ 2026-07-01 08:51:54
○ 2026-07-18 09:16:06
○NSns-209.dns.us-e1.cloudn-service.com2016-01-24 → 2017-02-06 · 5 obs
● 2016-01-24 03:59:36
● 2017-02-06 04:13:30
○ 2026-07-01 08:51:54
○ 2026-07-18 09:16:06
○NSns1.secure.net2015-06-08 → 2015-10-24 · 4 obs
● 2015-10-24 12:55:06
○ 2016-01-24 03:59:36
○ 2026-07-18 09:16:06
○NSns2.secure.net2015-06-08 → 2015-10-24 · 4 obs
● 2015-10-24 12:55:06
○ 2016-01-24 03:59:36
○ 2026-07-18 09:16:06
●MXmwbgw1.ocn.ad.jp2016-01-24 → 2026-07-18 · 3 obs
● 2016-01-24 03:59:36
● 2026-07-18 09:16:06
●MXmwbgw2.ocn.ad.jp2016-01-24 → 2026-07-18 · 3 obs
● 2016-01-24 03:59:36
● 2026-07-18 09:16:06
○MXtfdc.jp2015-06-08 → 2015-10-24 · 4 obs
● 2015-10-24 12:55:06
○ 2016-01-24 03:59:36
○ 2026-07-18 09:16:06
○A101.110.201.1992015-06-08 → 2015-06-08 · 3 obs
○ 2015-10-24 12:55:06
○ 2026-07-18 09:16:06
○A122.1.200.432015-10-24 → 2017-02-06 · 5 obs
● 2015-10-24 12:55:06
● 2017-02-06 04:13:30
○ 2026-07-01 08:51:54
○ 2026-07-18 09:16:06
●A122.1.223.1642026-07-01 → 2026-07-18 · 3 obs
● 2026-07-01 08:51:54
● 2026-07-18 09:16:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, c.dns.jp, d.dns.jp, b.dns.jp... | - |
| tfdc.jp | mwns1.customer.ne.jp, mwns2.customer.ne.jp | - |
✅ Authoritative Response
Server:202.17.152.183
NS records: mwns1.customer.ne.jp, mwns2.customer.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tfdc.jp (unsigned zone)
⏱️ Timing
Total: 1603ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 122.1.223.164 |
| NS | 2 | mwns1.customer.ne.jp, mwns2.customer.ne.jp |
| MX | 2 | mwbgw1.ocn.ad.jp (pri: 10), mwbgw2.ocn.ad.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
IP Addresses
tfdc.jp has exactly one IP address — 122.1.223.164.
Name Servers
Two name servers handle the delegation for tfdc.jp: mwns1.customer.ne.jp and mwns2.customer.ne.jp.
The name server configuration of tfdc.jp is shared with other domains, for instance 164.43.60.in-addr.arpa, main-hotel.com, smartresearch.jp and two others.
Both mwns1.customer.ne.jp and mwns2.customer.ne.jp have a single IP address each — mwns1.customer.ne.jp resolves to 210.150.23.210 while mwns2.customer.ne.jp resolves to 202.17.152.183.
Mail Servers
tfdc.jp uses two mail servers, mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp.
The mail server setup of tfdc.jp matches that of other domains such as mmcoop.or.jp, select.ecnet.jp, youkouen.or.jp and two others.
Both mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp have a single IP address each — mwbgw1.ocn.ad.jp resolves to 210.145.253.233 while mwbgw2.ocn.ad.jp resolves to 210.145.253.234.