tkworks.jp - robtex.com
tkworks.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.43.105.51🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc. | ||||||
| PTR | sv610.xbiz.ne.jp | ||||||
| NS | ns.toyokohan.co.jp ⭐ | ||||||
| A | 222.151.248.2🇯🇵 OCN222.144.0.0/13 (AS4713) CIDR BLOCK 69 NTT Communications Corporation 1-1-6 Uchisaiwaicho Chiyoda-ku, Tokyo, Japan 100-8019 | ||||||
| NS | ns6-tk02.ocn.ad.jp | ||||||
| A | 2001:380:0:1::1053🇯🇵 OCN2001:380::/32 IPv6 Network, Japan | ||||||
| PTR | ns6-tk02.ocn.ad.jp | ||||||
| A | 61.207.9.36🇯🇵 OCN61.207.0.0/16 (AS4713) CIDR BLOCK 33 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | ns6-tk02.ocn.ad.jp | ||||||
| NS | tk-dns51-ntt.toyokohan.co.jp | ||||||
| A | 222.151.248.2🇯🇵 OCN222.144.0.0/13 (AS4713) CIDR BLOCK 69 NTT Communications Corporation 1-1-6 Uchisaiwaicho Chiyoda-ku, Tokyo, Japan 100-8019 | ||||||
| MX | gw199135.fortimail.com ⭐ | ||||||
| A | 82.98.199.135🇨🇦 FORTINET82.98.199.0/24 | ||||||
| PTR | gw199135.fortimail.com | ||||||
| TXT | MS=ms94093568 | ||||||
| TXT | sending_domain985201=e92d44cda4c95bb16b903(0x37313735)a11264a0b847bd28d0d7e7353f51a70... | ||||||
| TXT | docusign=58389d98-ef87-48a8-8c0f-3b9f4f0839b2 | ||||||
| TXT | apple-domain-verification=D4LNuQ56WZzYC7Gq | ||||||
| TXT | v=spf1 ip4:220.156.27.27 ip4:82.98.199.135 include:spf.protection.outlook.com... | ||||||
| TXT | box-domain-verification=2318936 | ||||||
| TXT | T0O0Y65480 | ||||||
| SOA | ns.toyokohan.co.jpadmin@toyokohan.co.jp 2026-01-05 #1 | ||||||
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=1775967303 | ||||||
Same first word
DNS History
6 records (5 active, 1 former)
●NSns.toyokohan.co.jp2015-08-15 → 2026-04-12 · 2 obs
● 2026-04-12 04:46:50
●NStk-dns51-ntt.toyokohan.co.jp2015-08-15 → 2026-04-12 · 2 obs
● 2026-04-12 04:46:50
●MXgw199135.fortimail.com2026-04-06 → 2026-04-12 · 2 obs
● 2026-04-12 04:46:50
●A162.43.105.512026-04-06 → 2026-04-12 · 3 obs
● 2026-04-06 17:19:14
● 2026-04-12 04:46:50
○A61.200.34.1432015-08-15 → 2017-04-07 · 4 obs
● 2017-04-07 21:12:30
○ 2026-04-06 17:19:14
○ 2026-04-12 04:46:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| tkworks.jp | ns6-tk02.ocn.ad.jp, tk-dns51-ntt.toyokohan.co.jp | 1 record |
✅ Authoritative Response
Server:61.207.9.36
NS records: ns6-tk02.ocn.ad.jp, tk-dns51-ntt.toyokohan.co.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tkworks.jp (unsigned zone)
⏱️ Timing
Total: 1674ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.105.51 |
| NS | 2 | ns6-tk02.ocn.ad.jp, tk-dns51-ntt.toyokohan.co.jp |
| MX | 1 | gw199135.fortimail.com (pri: 10) |
| TXT | 7 | MS=ms94093568, sending_domain985201=e92d44cda4c95bb16b9... |
| SOA | 1 | ns.toyokohan.co.jp admin.toyokohan.co.jp |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (tk-dns51-ntt.toyokohan.co.jp)
Analysis
IP Addresses
tkworks.jp points to IP number: 162.43.105.51.
Other host names such as anshin-bengoshi.com, senkosangyo.co.jp, www.3bs.jp, hokudai-roomguide.net and ficst.jp share IPs with tkworks.jp.
Name Servers
tkworks.jp is delegated to three name servers: ns6-tk02.ocn.ad.jp, ns.toyokohan.co.jp and tk-dns51-ntt.toyokohan.co.jp.
tkworks.jp at least partially shares name servers with other domains, for instance nakagawametal.co.jp, dict-tml.co.jp, keiju.co.jp, snark.co.jp and mmic.or.jp.
These name servers are commonly used together with ns6-tk01.ocn.ad.jp, os12-dnsic1-dns1.anser.ne.jp and ns-tk023.ocn.ad.jp.
Two IPs for a host name:
ns6-tk02.ocn.ad.jp points to 2001:380:0:1::1053 and 61.207.9.36.
One IP for a host name:
ns.toyokohan.co.jp points to 222.151.248.2.
tk-dns51-ntt.toyokohan.co.jp points to 222.151.248.2.
Host names that point to 222.151.248.2:
ns.toyokohan.co.jp and tk-dns51-ntt.toyokohan.co.jp.
Mail Servers
tkworks.jp is handled by a single mail server, gw199135.fortimail.com.
The mail server setup for tkworks.jp matches that of other domains, for instance tomatec.co.jp, toyoa.co.jp, honshu-seikan.co.jp, toyo-glass.co.jp and tokan.co.jp.
gw199135.fortimail.com points to a single IP: 82.98.199.135.