ds-lab.jp - robtex.com

ds-lab.jp

DNSSEC⚠️ Not signed
A202.254.236.42🇯🇵 XSERVER-AS202.254.236.0/22 XSERVER Inc.
PTRsv5041.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
MXds-lab.jp
A202.254.236.42🇯🇵 XSERVER-AS202.254.236.0/22 XSERVER Inc.
PTRsv5041.xserver.jp
TXTv=spf1 +a:sv5041.xserver.jp +a:ds-lab.jp +mx include:spf.sender.xserver.jp in...
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=1785588303

MX for

Same first word

Similar names

DNS History

10 records (7 active, 3 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns1.value-domain.comns2.value-domain.comMXds-lab.jpA202.254.236.42202.172.28.131
NSns1.value-domain.com2015-08-14 → 2017-01-26 · 4 obs
● 2015-08-14 00:02:04
● 2017-01-26 13:15:04
○ 2026-05-16 03:29:52
○ 2026-08-01 12:58:40
NSns1.xserver.jp2026-05-16 → 2026-08-01 · 3 obs
○ 2017-01-26 13:15:04
● 2026-05-16 03:29:52
● 2026-08-01 12:58:40
NSns2.value-domain.com2015-08-14 → 2017-01-26 · 4 obs
● 2015-08-14 00:02:04
● 2017-01-26 13:15:04
○ 2026-05-16 03:29:52
○ 2026-08-01 12:58:40
NSns2.xserver.jp2026-05-16 → 2026-08-01 · 3 obs
○ 2017-01-26 13:15:04
● 2026-05-16 03:29:52
● 2026-08-01 12:58:40
NSns3.xserver.jp2026-05-16 → 2026-08-01 · 3 obs
○ 2017-01-26 13:15:04
● 2026-05-16 03:29:52
● 2026-08-01 12:58:40
NSns4.xserver.jp2026-05-16 → 2026-08-01 · 3 obs
○ 2017-01-26 13:15:04
● 2026-05-16 03:29:52
● 2026-08-01 12:58:40
NSns5.xserver.jp2026-05-16 → 2026-08-01 · 3 obs
○ 2017-01-26 13:15:04
● 2026-05-16 03:29:52
● 2026-08-01 12:58:40
MXds-lab.jp2015-08-14 → 2026-08-01 · 2 obs
● 2015-08-14 00:02:04
● 2026-08-01 12:58:40
A202.172.28.1312015-08-14 → 2017-01-26 · 4 obs
● 2015-08-14 00:02:04
● 2017-01-26 13:15:04
○ 2026-05-16 03:29:52
○ 2026-08-01 12:58:40
A202.254.236.422026-05-16 → 2026-08-01 · 3 obs
○ 2017-01-26 13:15:04
● 2026-05-16 03:29:52
● 2026-08-01 12:58:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
ds-lab.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 ds-lab.jp (unsigned zone)

⏱️ Timing

Total: 1040ms | Queries: -

📄 Records

TypeCountSample Data
A1202.254.236.42
NS5ns4.xserver.jp, ns5.xserver.jp...
MX1ds-lab.jp (pri: 0)
TXT1v=spf1 +a:sv5041.xserver.jp +a:ds-lab.jp
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

ds-lab.jp serves as a mail server for ds-lab.jp.

IP Addresses

ds-lab.jp has exactly one IP address — 202.254.236.42.

higa(0x73686974)otuka-law.com, mail.cucare.net, shokuka.jp plus two other host names have IP numbers in common with ds-lab.jp.

Name Servers

Five name servers handle delegation for ds-lab.jp: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

At least some of ds-lab.jp's name servers are shared with other domains, for example sky-corp.com, af08.com, hashiguchi-factory.com and two more.

These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names carrying three IP numbers:

The hostname ns1.xserver.jp directs to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

The hostname ns4.xserver.jp directs to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

The hostname ns5.xserver.jp directs to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names resolving to a single IP address:

ns2.xserver.jp has the IP address 35.72.43.26.

ns3.xserver.jp has the IP address 202.226.36.247.

Mail Servers

ds-lab.jp uses exactly one mail server, which is ds-lab.jp.

ds-lab.jp directs to just one IP number, 202.254.236.42.