ds-lab.jp - robtex.com
ds-lab.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=1785588303 | ||||||
MX for
ds-lab.jp |
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
○NSns1.value-domain.com2015-08-14 → 2017-01-26 · 4 obs
● 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
● 2026-05-16 03:29:52
● 2026-08-01 12:58:40
○NSns2.value-domain.com2015-08-14 → 2017-01-26 · 4 obs
● 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
● 2026-05-16 03:29:52
● 2026-08-01 12:58:40
●NSns3.xserver.jp2026-05-16 → 2026-08-01 · 3 obs
● 2026-05-16 03:29:52
● 2026-08-01 12:58:40
●NSns4.xserver.jp2026-05-16 → 2026-08-01 · 3 obs
● 2026-05-16 03:29:52
● 2026-08-01 12:58:40
●NSns5.xserver.jp2026-05-16 → 2026-08-01 · 3 obs
● 2026-05-16 03:29:52
● 2026-08-01 12:58:40
●MXds-lab.jp2015-08-14 → 2026-08-01 · 2 obs
● 2026-08-01 12:58:40
○A202.172.28.1312015-08-14 → 2017-01-26 · 4 obs
● 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
● 2026-05-16 03:29:52
● 2026-08-01 12:58:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| ds-lab.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 ds-lab.jp (unsigned zone)
⏱️ Timing
Total: 1040ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.254.236.42 |
| NS | 5 | ns4.xserver.jp, ns5.xserver.jp... |
| MX | 1 | ds-lab.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv5041.xserver.jp +a:ds-lab.jp |
| 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
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.