3works.co.jp - robtex.com
3works.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | fjkdns99.alpha-prm.jp ⭐ | ||||||
| A | 157.205.203.140🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | fjkmst11.alpha-prm.jp | ||||||
| NS | fjkdns11.alpha-prm.jp | ||||||
| A | 157.205.203.136🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | fjkdns11.alpha-prm.jp | ||||||
| NS | fjkdns12.alpha-prm.jp | ||||||
| A | 157.205.160.33🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | fjkdns12.alpha-prm.jp | ||||||
| NS | fjkdns13.alpha-prm.jp | ||||||
| A | 157.205.160.49🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | fjkdns13.alpha-prm.jp | ||||||
| MX | mxi.alpha-prm.jp ⭐ | ||||||
| A | 157.205.8.22🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | mxi.alpha-prm.jp | ||||||
| TXT | v=spf1 include:spf.alpha-prm.jp ~all | ||||||
| SOA | fjkdns99.alpha-prm.jphostmaster@alpha-prm.jp 2023-11-21 #1 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSfjkdns11.alpha-prm.jp2026-03-27 → 2026-05-10 · 3 obs
● 2026-03-27 05:32:32
● 2026-05-10 23:52:42
●NSfjkdns12.alpha-prm.jp2026-03-27 → 2026-05-10 · 3 obs
● 2026-03-27 05:32:32
● 2026-05-10 23:52:42
●NSfjkdns13.alpha-prm.jp2026-03-27 → 2026-05-10 · 3 obs
● 2026-03-27 05:32:32
● 2026-05-10 23:52:42
●NSfjkdns99.alpha-prm.jp2026-03-27 → 2026-05-10 · 3 obs
● 2026-03-27 05:32:32
● 2026-05-10 23:52:42
○NSns2.bforth.hosting-srv.net2019-12-13 → 2019-12-13 · 3 obs
○ 2026-03-27 05:32:32
○ 2026-05-10 23:52:42
○NSns3.bforth.hosting-srv.net2019-12-13 → 2019-12-13 · 3 obs
○ 2026-03-27 05:32:32
○ 2026-05-10 23:52:42
●MXmxi.alpha-prm.jp2026-03-27 → 2026-05-10 · 3 obs
● 2026-03-27 05:32:32
● 2026-05-10 23:52:42
○MXmxjp1.nospamcloud.com2019-12-13 → 2019-12-13 · 3 obs
○ 2026-03-27 05:32:32
○ 2026-05-10 23:52:42
○MXmxjp2.nospamcloud.com2019-12-13 → 2019-12-13 · 3 obs
○ 2026-03-27 05:32:32
○ 2026-05-10 23:52:42
○A210.152.144.232019-12-13 → 2019-12-13 · 3 obs
○ 2026-03-27 05:32:32
○ 2026-05-10 23:52:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| 3works.co.jp | fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp | 3 records |
✅ Authoritative Response
Server:157.205.160.49
NS records: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 3works.co.jp (unsigned zone)
⏱️ Timing
Total: 1031ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | fjkdns12.alpha-prm.jp, fjkdns11.alpha-prm.jp... |
| MX | 1 | mxi.alpha-prm.jp (pri: 100) |
| TXT | 1 | v=spf1 include:spf.alpha-prm.jp ~all |
| SOA | 1 | fjkdns99.alpha-prm.jp hostmaster.alpha-p |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp)
Analysis
Name Servers
3works.co.jp delegates to four name servers: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp.
3works.co.jp at least partially shares name servers with other domains, including koyuseni.co.jp, dai-ken.com, shiotani-kasei.com, arcsys-sol.co.jp and izumi-bm.co.jp.
Host names with one IP number:
fjkdns11.alpha-prm.jp points to 157.205.203.136; fjkdns12.alpha-prm.jp points to 157.205.160.33; fjkdns13.alpha-prm.jp points to 157.205.160.49; fjkdns99.alpha-prm.jp points to 157.205.203.140.
Mail Servers
A single mail server handles 3works.co.jp, mxi.alpha-prm.jp.
3works.co.jp shares the same mail server setup as other domains, for instance nihontei.co.jp, sanocraft.co.jp, bijiren.co.jp, saima-reinetsu.com and r-f.co.jp.
Host name mxi.alpha-prm.jp resolves to a single IP: 157.205.8.22.