ultd.jp - robtex.com
ultd.jp
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=1784126702 | ||||||
MX for
ultd.jp |
Same first word
Similar names
DNS History
8 records (7 active, 1 former)
●NSns1.xserver.jp2015-04-29 → 2026-07-15 · 2 obs
● 2026-07-15 15:15:30
●NSns2.xserver.jp2015-04-29 → 2026-07-15 · 2 obs
● 2026-07-15 15:15:30
●NSns3.xserver.jp2015-04-29 → 2026-07-15 · 2 obs
● 2026-07-15 15:15:30
●NSns4.xserver.jp2015-04-29 → 2026-07-15 · 2 obs
● 2026-07-15 15:15:30
●NSns5.xserver.jp2015-04-29 → 2026-07-15 · 2 obs
● 2026-07-15 15:15:30
●MXultd.jp2015-04-29 → 2026-07-15 · 2 obs
● 2026-07-15 15:15:30
●A202.226.37.122026-06-04 → 2026-07-15 · 3 obs
● 2026-06-04 17:40:48
● 2026-07-15 15:15:30
○A210.188.201.122015-04-29 → 2018-06-29 · 4 obs
● 2018-06-29 22:56:30
○ 2026-06-04 17:40:48
○ 2026-07-15 15:15:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| ultd.jp | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | 11 records |
✅ Authoritative Response
Server:202.226.36.164
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ultd.jp (unsigned zone)
⏱️ Timing
Total: 1089ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.226.37.12 |
| NS | 5 | ns5.xserver.jp, ns3.xserver.jp... |
| MX | 1 | ultd.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv59.xserver.jp +a:ultd.jp +mx |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Mail Server Role
ultd.jp acts as its own mail server.
IP Addresses
ultd.jp points to a single IP number: 202.226.37.12.
Additional host names — k-fuku.com, morifu.com, nsview.net and two others — share IP numbers with ultd.jp.
Name Servers
Delegation for ultd.jp is to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
The name servers of ultd.jp overlap at least partially with those of other domains — among them tanagokoro-cuernavaca.com, kocho-no-yume.com, emi83.com and two more.
These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.
Host names with three IP numbers:
The hostname ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
The hostname ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
The hostname ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names pointing to a single IP address:
The hostname ns2.xserver.jp resolves to 35.72.43.26.
The hostname ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
ultd.jp has a single mail server: ultd.jp itself.
ultd.jp carries a single IP number, which is 202.226.37.12.