zerotokyo.jp - robtex.com
zerotokyo.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.231.144🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv363.xbiz.ne.jp | ||||||
| NS | ns1.xbiz.ne.jp ⭐ | ||||||
| A | 157.112.182.247🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| PTR | ns1.xbiz.ne.jp | ||||||
| NS | ns2.xbiz.ne.jp | ||||||
| A | 35.76.79.244🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| PTR | ns2.xbiz.ne.jp | ||||||
| NS | ns3.xbiz.ne.jp | ||||||
| A | 157.112.191.237🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc. | ||||||
| PTR | ns3.xbiz.ne.jp | ||||||
| MX | zerotokyo.jp ⭐ | ||||||
| A | 183.90.231.144🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv363.xbiz.ne.jp | ||||||
| TXT | v=spf1 +a:sv363.xbiz.ne.jp +a:zerotokyo.jp +mx include:spf.sender.xserver.jp ... | ||||||
| SOA | ns1.xbiz.ne.jproot@xbiz.ne.jp serial=0 | ||||||
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=1785680102 | ||||||
rank #17161 in the tld
MX for
zerotokyo.jp |
Same first word
zerotokyo.jp |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.xbiz.ne.jp2026-03-29 → 2026-08-02 · 2 obs
● 2026-08-02 14:24:00
●NSns2.xbiz.ne.jp2026-03-29 → 2026-08-02 · 2 obs
● 2026-08-02 14:24:00
●NSns3.xbiz.ne.jp2026-03-29 → 2026-08-02 · 2 obs
● 2026-08-02 14:24:00
●MXzerotokyo.jp2026-03-29 → 2026-08-02 · 2 obs
● 2026-08-02 14:24:00
●A183.90.231.1442026-03-29 → 2026-08-02 · 2 obs
● 2026-08-02 14:24:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| zerotokyo.jp | ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp | 3 records |
✅ Authoritative Response
Server:157.112.182.247
NS records: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zerotokyo.jp (unsigned zone)
⏱️ Timing
Total: 905ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.231.144 |
| NS | 3 | ns1.xbiz.ne.jp, ns3.xbiz.ne.jp... |
| MX | 1 | zerotokyo.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv363.xbiz.ne.jp +a:zerotokyo. |
| SOA | 1 | ns1.xbiz.ne.jp root.xbiz.ne.jp |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp)
Analysis
Mail Server Role
The MX record for zerotokyo.jp points back to zerotokyo.jp — it is its own mail server.
IP Addresses
zerotokyo.jp directs to one IP number, which is 183.90.231.144.
Among the host names that share IP numbers with zerotokyo.jp are worldlibrary.co.jp, heartis-sc.co.jp, www.daiho.co.jp and two others.
Name Servers
Three name servers are authoritative for zerotokyo.jp: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.
zerotokyo.jp shares at least some of its name servers with other domains, including ikotsu.com, sg-mark.org, marineandwalk.jp and two others.
Three hostnames, one IP address apiece: ns1.xbiz.ne.jp resolves to 157.112.182.247, ns2.xbiz.ne.jp resolves to 35.76.79.244 and ns3.xbiz.ne.jp resolves to 157.112.191.237.
Mail Servers
The MX record for zerotokyo.jp points to a single mail server: zerotokyo.jp.
There is one IP number for zerotokyo.jp: 183.90.231.144.