tsch.co.jp - robtex.com
tsch.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 222.146.8.44🇯🇵 OCN222.144.0.0/13 (AS4713) CIDR BLOCK 69 NTT Communications Corporation 1-1-6 Uchisaiwaicho Chiyoda-ku, Tokyo, Japan 100-8019 | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | tsch.co.jp ⭐ | ||||||
| A | 222.146.8.44🇯🇵 OCN222.144.0.0/13 (AS4713) CIDR BLOCK 69 NTT Communications Corporation 1-1-6 Uchisaiwaicho Chiyoda-ku, Tokyo, Japan 100-8019 | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1741748503 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
MX for
tsch.co.jp |
Subdomains
www.tsch.co.jp |
Same first word
tsch.dk |
tsch.io |
tsch.net |
tsch.co.jp |
tsch.ch |
tsch.biz |
tsch.ru |
tsch.info |
tsch.org.au |
tsch.cn |
tsch.com |
tsch.se |
tsch.cz |
tsch.at |
tsch.ir |
Similar names
DNS History
6 records (6 active, 0 former)
●MXtsch.co.jp2018-06-23 → 2026-08-03 · 2 obs
● 2026-08-03 10:59:18
●A222.146.8.442018-06-23 → 2026-08-03 · 2 obs
● 2026-08-03 10:59:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| tsch.co.jp | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tsch.co.jp (unsigned zone)
⏱️ Timing
Total: 915ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 222.146.8.44 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | tsch.co.jp (pri: 9) |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)
Analysis
Hierarchy
www.tsch.co.jp is a subdomain of tsch.co.jp.
Mail Server Role
tsch.co.jp acts as its own mail server.
IP Addresses
tsch.co.jp points to a single IP number: 222.146.8.44.
Name Servers
tsch.co.jp has four authoritative name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
The name servers of tsch.co.jp overlap at least partially with those of other domains — among them nbkndc.online, shibata-cl.com, toremaga.com and two more.
Host names with two IP numbers:
01.dnsv.jp resolves to two addresses: 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp resolves to two addresses: 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp resolves to two addresses: 157.7.35.53 and 2400:8500:3fff::53.
Host names pointing to a single IP address:
The hostname 02.dnsv.jp resolves to 157.7.33.53.
Mail Servers
tsch.co.jp has a single mail server: tsch.co.jp itself.
tsch.co.jp carries a single IP number, which is 222.146.8.44.