sdev.jp - dns.ninja
sdev.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | ns.sdev.jp โญ | ||||||
| A | 210.238.249.42๐ฏ๐ต KDDI210.238.128.0/17 | ||||||
| NS | dns4.dion.ne.jp | ||||||
| A | 210.172.64.112๐ฏ๐ต KDDI210.172.64.0/18 | ||||||
| PTR | dns4.dion.ne.jp | ||||||
| MX | ns.sdev.jp โญ | ||||||
| A | 210.238.249.42๐ฏ๐ต KDDI210.238.128.0/17 | ||||||
| MX | mx01.sdev.jp(50) | ||||||
| A | 210.238.249.43๐ฏ๐ต KDDI210.238.128.0/17 | ||||||
| SOA | ns.sdev.jproot@sdev.jp 2010-04-07 #1 | ||||||
jp
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | z.dns.jp โญ | ||||||
| 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=1785424503 | ||||||
Subdomains
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
โNSdns4.dion.ne.jp2008-04-10 โ 2026-07-30 ยท 2 obs
โ 2026-07-30 16:06:20
โNSns.sdev.jp2008-04-10 โ 2026-07-30 ยท 2 obs
โ 2026-07-30 16:06:20
โMXmx01.sdev.jp2008-04-10 โ 2026-07-30 ยท 2 obs
โ 2026-07-30 16:06:20
โMXns.sdev.jp2015-08-23 โ 2026-07-30 ยท 3 obs
โ 2015-08-23 14:18:58
โ 2026-07-30 16:06:20
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, c.dns.jp, d.dns.jp, e.dns.jp... | - |
| sdev.jp | dns4.dion.ne.jp, ns.sdev.jp | 1 record |
โ Authoritative Response
Server:210.172.64.112
NS records: dns4.dion.ne.jp, ns.sdev.jp
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for sdev.jp (unsigned zone)
โฑ๏ธ Timing
Total: 1029ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns.sdev.jp, dns4.dion.ne.jp |
| MX | 2 | ns.sdev.jp (pri: 10), mx01.sdev.jp (pri: 50) |
| TXT | 2 | MS=ms37488893, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns.sdev.jp root.sdev.jp |
๐ Glue Records Collected
Total: 1
In-bailiwick: 1 (ns.sdev.jp)
Analysis
Hierarchy
mx01.sdev.jp and ns.sdev.jp are both subdomains of sdev.jp.
Name Servers
sdev.jp uses two name servers for its delegation: ns.sdev.jp and dns4.dion.ne.jp.
sdev.jp has at least partial name server overlap with other domains, such as saitamaresona.co.jp, atsumaru.co.jp, gulfnet.jp and two others.
nsx01.jfe-gr.net, nsx01u.jfe-gr.net and nsx02.jfe-gr.net โ plus 7 other name servers โ are commonly paired with these name servers.
ns.sdev.jp directs to 210.238.249.42 and dns4.dion.ne.jp directs to 210.172.64.112; each host name points to exactly one IP number.
Mail Servers
Mail for sdev.jp is handled by two mail servers โ mx01.sdev.jp and ns.sdev.jp.
Hosts with just one IP address:
mx01.sdev.jp has the IP address 210.238.249.43.