ultd.jp - robtex.com

ultd.jp

DNSSEC⚠️ Not signed
A202.226.37.12🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRsv59.xserver.jp
NSns1.xserver.jp
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXultd.jp
A202.226.37.12🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRsv59.xserver.jp
TXTv=spf1 +a:sv59.xserver.jp +a:ultd.jp +mx ~all
SOAns1.xserver.jproot@sv0.xserver.jp serial=0

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1784126702

MX for

Same first word

Similar names

DNS History

8 records (7 active, 1 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXultd.jpA202.226.37.12210.188.201.12
NSns1.xserver.jp2015-04-29 → 2026-07-15 · 2 obs
● 2015-04-29 10:15:52
● 2026-07-15 15:15:30
NSns2.xserver.jp2015-04-29 → 2026-07-15 · 2 obs
● 2015-04-29 10:15:52
● 2026-07-15 15:15:30
NSns3.xserver.jp2015-04-29 → 2026-07-15 · 2 obs
● 2015-04-29 10:15:52
● 2026-07-15 15:15:30
NSns4.xserver.jp2015-04-29 → 2026-07-15 · 2 obs
● 2015-04-29 10:15:52
● 2026-07-15 15:15:30
NSns5.xserver.jp2015-04-29 → 2026-07-15 · 2 obs
● 2015-04-29 10:15:52
● 2026-07-15 15:15:30
MXultd.jp2015-04-29 → 2026-07-15 · 2 obs
● 2015-04-29 10:15:52
● 2026-07-15 15:15:30
A202.226.37.122026-06-04 → 2026-07-15 · 3 obs
○ 2018-06-29 22:56:30
● 2026-06-04 17:40:48
● 2026-07-15 15:15:30
A210.188.201.122015-04-29 → 2018-06-29 · 4 obs
● 2015-04-29 10:15:52
● 2018-06-29 22:56:30
○ 2026-06-04 17:40:48
○ 2026-07-15 15:15:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
ultd.jpns1.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

TypeCountSample Data
A1202.226.37.12
NS5ns5.xserver.jp, ns3.xserver.jp...
MX1ultd.jp (pri: 0)
TXT1v=spf1 +a:sv59.xserver.jp +a:ultd.jp +mx
SOA1ns1.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.