sample01.work - robtex.com
sample01.work
| DNSSEC | ⚠️ Not signed | ||||||
| A | 163.43.80.106🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | www3796.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 AS9371210.224.160.0/19 | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 AS9371133.167.21.0/24 | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | sample01.work ⭐ | ||||||
| A | 163.43.80.106🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | www3796.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3796.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-05-03 #1 | ||||||
work
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.work ⭐ | ||||||
| NS | b.nic.work | ||||||
| NS | c.nic.work | ||||||
| NS | x.nic.work | ||||||
| NS | y.nic.work | ||||||
| NS | z.nic.work | ||||||
| SOA | a.nic.workadmin@tldns.godaddy serial=1793140732 | ||||||
MX for
sample01.work |
Same first word
sample01.org.ph |
sample01.net |
sample01.com |
sample01.pages.dev |
sample01.monster |
sample01.work |
sample01.co.uk |
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●MXsample01.work2026-09-11 → 2026-10-27 · 2 obs
● 2026-10-27 22:44:38
●A163.43.80.1062026-09-11 → 2026-10-27 · 2 obs
● 2026-10-27 22:44:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| work | a.nic.work, b.nic.work, c.nic.work, x.nic.work... | 12 records |
| sample01.work | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sample01.work (unsigned zone)
⏱️ Timing
Total: 1908ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.43.80.106 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | sample01.work (pri: 10) |
| TXT | 1 | v=spf1 a:www3796.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.work, b.nic.work, c.nic.work...)
Analysis
Mail Server Role
sample01.work serves as a mail server for sample01.work.
IP Addresses
sample01.work has exactly one IP address — 163.43.80.106.
lula-ikebukuro.com, naoyukiobayashi.com, nagaekai.com plus two other host names have IP numbers in common with sample01.work.
Name Servers
sample01.work is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
The name servers of sample01.work overlap at least partially with those of other domains — among them mita1.jp, kitanihonsyoudoku.co.jp, blog.nozomin.jp and two more.
master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.
Mail Servers
sample01.work uses exactly one mail server, which is sample01.work.
sample01.work resolves to 163.43.80.106 and no other IP number.