jobsta.jp - robtex.com
jobsta.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.182.166🇯🇵 DRNET183.90.176.0/21 | ||||||
| PTR | x016.cbsv.jp | ||||||
| NS | a.misconfigured.dns.server.invalid ⭐ | ||||||
| NS | ns1.cbsv.jp | ||||||
| A | 172.64.52.149🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.199🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.cbsv.jp | ||||||
| A | 172.64.53.51🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.53.143🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | jobsta.jp ⭐ | ||||||
| A | 183.90.182.166🇯🇵 DRNET183.90.176.0/21 | ||||||
| PTR | x016.cbsv.jp | ||||||
| TXT | v=spf1 ip4:183.90.182.166 include:_spf.cbsv.jp ~all | ||||||
| SOA | a.misconfigured.dns.server.invalidhostmaster@jobsta.jp 2026-05-11 #7 | ||||||
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=1786031103 | ||||||
MX for
jobsta.jp |
Subdomains
mail.jobsta.jp |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSa.misconfigured.dns.server.invalid2026-05-15 → 2026-08-06 · 3 obs
● 2026-05-15 14:05:36
● 2026-08-06 15:59:58
○NSns01.ai-hosting.net2015-06-19 → 2026-03-27 · 4 obs
● 2026-03-27 17:38:08
○ 2026-04-06 17:35:40
○ 2026-08-06 15:59:58
○NSns02.ai-hosting.net2015-06-19 → 2026-03-27 · 4 obs
● 2026-03-27 17:38:08
○ 2026-04-06 17:35:40
○ 2026-08-06 15:59:58
●NSns1.cbsv.jp2026-05-15 → 2026-08-06 · 3 obs
● 2026-05-15 14:05:36
● 2026-08-06 15:59:58
●NSns2.cbsv.jp2026-05-15 → 2026-08-06 · 3 obs
● 2026-05-15 14:05:36
● 2026-08-06 15:59:58
●MXjobsta.jp2026-05-15 → 2026-08-06 · 3 obs
● 2026-05-15 14:05:36
● 2026-08-06 15:59:58
○MXmail.jobsta.jp2015-06-19 → 2026-03-27 · 4 obs
● 2026-03-27 17:38:08
○ 2026-04-06 17:35:40
○ 2026-08-06 15:59:58
●A183.90.182.1662026-05-15 → 2026-08-06 · 3 obs
● 2026-05-15 14:05:36
● 2026-08-06 15:59:58
○A210.129.147.762015-06-19 → 2017-04-07 · 4 obs
● 2017-04-07 22:19:14
○ 2026-03-27 16:25:50
○ 2026-08-06 15:59:58
○A27.133.145.1552026-03-27 → 2026-03-27 · 5 obs
● 2026-03-27 16:25:50
● 2026-03-27 17:38:08
○ 2026-04-06 17:35:40
○ 2026-08-06 15:59:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, g.dns.jp, a.dns.jp, d.dns.jp... | - |
| jobsta.jp | ns2.cbsv.jp, ns1.cbsv.jp | - |
✅ Authoritative Response
Server:172.64.52.149
NS records: ns2.cbsv.jp, ns1.cbsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jobsta.jp (unsigned zone)
⏱️ Timing
Total: 664ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.182.166 |
| NS | 2 | ns1.cbsv.jp, ns2.cbsv.jp |
| MX | 1 | jobsta.jp (pri: 10) |
| TXT | 1 | v=spf1 ip4:183.90.182.166 include:_spf.c |
| SOA | 1 | a.misconfigured.dns.server.invalid hostm |
Analysis
Hierarchy
jobsta.jp serves as the parent of mail.jobsta.jp.
Mail Server Role
jobsta.jp serves as a mail server for jobsta.jp.
IP Addresses
jobsta.jp has exactly one IP address — 183.90.182.166.
www.crawfish.jp, www.borderofshota.jp, hutanari-cumshot.com plus two other host names have IP numbers in common with jobsta.jp.
Name Servers
jobsta.jp has three name servers — ns1.cbsv.jp, ns2.cbsv.jp and a.misconfigured.dns.server.invalid.
jobsta.jp has at least partial name server overlap with other domains, such as kururusky.com, zbakyonmtb.com, janehwang.com and two others.
It is common to find these name servers paired with the name servers ns1.domeeninimi.ee, ns2.domeeninimi.ee, ndns1.cosmotown.com and ndns2.cosmotown.com.
Both ns1.cbsv.jp and ns2.cbsv.jp have two IP addresses each. ns1.cbsv.jp resolves to 172.64.52.149 and 172.64.52.199; ns2.cbsv.jp resolves to 172.64.53.51 and 172.64.53.143.
Mail Servers
jobsta.jp uses exactly one mail server, which is jobsta.jp.
jobsta.jp points to one IP number — 183.90.182.166.