ynet-catv.jp - robtex.com
ynet-catv.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns2.forbiz.jp ⭐ | ||||||
| A | 175.177.1.241🇯🇵 iTSCOM175.177.0.0/16 .net its communications Inc. 541-1 Ichigao-chou, Aoba-ku Yokohama-shi, Kanagawa 225-0024 Japan | ||||||
| PTR | ns2.forbiz.jp | ||||||
| NS | ns3.forbiz.jp | ||||||
| A | 175.177.1.55🇯🇵 iTSCOM175.177.0.0/16 .net its communications Inc. 541-1 Ichigao-chou, Aoba-ku Yokohama-shi, Kanagawa 225-0024 Japan | ||||||
| PTR | ns3.forbiz.jp | ||||||
| MX | mx01.ynet-catv.jp ⭐ | ||||||
| A | 210.253.216.78🇯🇵 iTSCOM210.253.208.0/20 .net its communications Inc. 541-1 Ichigao-chou, Aoba-ku Yokohama-shi, Kanagawa 225-0024 Japan | ||||||
| PTR | mx01.forbiz.jp | ||||||
| TXT | v=spf1 include:spf01.forbiz.jp ~all | ||||||
| SOA | ns2.forbiz.jppostmaster@forbiz.jp 2025-02-17 #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=1784583003 | ||||||
Subdomains
Same first word
ynet-catv.jp |
DNS History
6 records (3 active, 3 former)
○NSdns0.246.ne.jp2015-07-01 → 2018-04-15 · 4 obs
● 2018-04-15 22:39:36
○ 2026-07-20 22:15:02
○ 2026-07-20 22:15:04
○NSns0.forbiz.jp2015-07-01 → 2018-04-15 · 4 obs
● 2018-04-15 22:39:36
○ 2026-07-20 22:15:02
○ 2026-07-20 22:15:04
○NSns1.forbiz.jp2015-07-01 → 2018-04-15 · 4 obs
● 2018-04-15 22:39:36
○ 2026-07-20 22:15:02
○ 2026-07-20 22:15:04
●NSns2.forbiz.jp2026-07-20 → 2026-07-20 · 3 obs
● 2026-07-20 22:15:02
● 2026-07-20 22:15:04
●NSns3.forbiz.jp2026-07-20 → 2026-07-20 · 3 obs
● 2026-07-20 22:15:02
● 2026-07-20 22:15:04
●MXmx01.ynet-catv.jp2015-07-01 → 2026-07-20 · 2 obs
● 2026-07-20 22:15:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | 15 records |
| ynet-catv.jp | ns2.forbiz.jp, ns3.forbiz.jp | 2 records |
✅ Authoritative Response
Server:175.177.1.241
NS records: ns2.forbiz.jp, ns3.forbiz.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ynet-catv.jp (unsigned zone)
⏱️ Timing
Total: 3119ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.forbiz.jp, ns3.forbiz.jp |
| MX | 1 | mx01.ynet-catv.jp (pri: 100) |
| TXT | 1 | v=spf1 include:spf01.forbiz.jp ~all |
| SOA | 1 | ns2.forbiz.jp postmaster.forbiz.jp |
📌 Glue Records Collected
Total: 17
In-bailiwick: 15 (a.dns.jp, a.dns.jp, b.dns.jp...)
Out-of-bailiwick: 2 (ns2.forbiz.jp, ns3.forbiz.jp)
Analysis
Hierarchy
www.ynet-catv.jp, sv.ynet-catv.jp and mx01.ynet-catv.jp each fall under the parent domain ynet-catv.jp.
Name Servers
ynet-catv.jp is served by two delegated name servers, ns2.forbiz.jp and ns3.forbiz.jp.
ynet-catv.jp shares its NS records with other domains, for example 221.253.210.in-addr.arpa, 192.45.218.in-addr.arpa, toptour.co.jp and two others.
ynet-catv.jp partially shares its NS delegation with several other domains, including city.shinagawa.tokyo.jp, 136.191.210.in-addr.arpa, a1-propolis.com and two others.
These name servers often co-occur with the name servers ns4.city.shinagawa.tokyo.jp.
ns2.forbiz.jp resolves to 175.177.1.241. ns3.forbiz.jp resolves to 175.177.1.55. Both host names point to a single IP number.
Mail Servers
The sole mail server for ynet-catv.jp is mx01.ynet-catv.jp.
There is one IP number for mx01.ynet-catv.jp: 210.253.216.78.