alphatech.jp - dns.ninja
alphatech.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 221.120.169.13🇯🇵 NDAC221.120.168.0/21 Global Network Core Co.,Ltd. | ||||||
| PTR | e138-r8a.ehst.nplus-net.jp | ||||||
| NS | dns05.nplus-net.jp ⭐ | ||||||
| A | 2400:e000:5:1::10🇯🇵 NDAC2400:e000::/32 Global Network Core Co.,Ltd. | ||||||
| PTR | dns05.nplus-net.jp | ||||||
| A | 218.223.32.182🇯🇵 NDAC218.223.32.0/20 Global Network Core Co.,Ltd. | ||||||
| PTR | dns05.nplus-net.jp | ||||||
| NS | dns06.nplus-net.jp | ||||||
| A | 2001:e42:107:300a::4🇯🇵 SAKURA-B2001:e40::/30 SAKURA Internet Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka 530-0011, JAPAN | ||||||
| PTR | dns06.nplus-net.jp | ||||||
| A | 163.43.127.148🇯🇵 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 | dns06.nplus-net.jp | ||||||
| SOA | dns05.nplus-net.jpoperators@global-netcore.jp 2025-04-30 #0 | ||||||
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=1783881903 | ||||||
Subdomains
sv2.alphatech.jp |
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
○NScn001.hotcn.ne.jp2015-07-20 → 2016-11-23 · 4 obs
● 2016-11-23 13:30:34
○ 2020-02-29 04:30:30
○ 2026-07-12 19:17:20
●NSdns05.nplus-net.jp2020-02-29 → 2026-07-12 · 3 obs
● 2020-02-29 04:30:30
● 2026-07-12 19:17:20
●NSdns06.nplus-net.jp2020-02-29 → 2026-07-12 · 3 obs
● 2020-02-29 04:30:30
● 2026-07-12 19:17:20
○NSns.hotcn.ne.jp2015-07-20 → 2016-11-23 · 4 obs
● 2016-11-23 13:30:34
○ 2020-02-29 04:30:30
○ 2026-07-12 19:17:20
○A211.128.67.1672015-07-20 → 2016-11-23 · 4 obs
● 2016-11-23 13:30:34
○ 2020-02-29 04:30:30
○ 2026-07-12 19:17:20
●A221.120.169.132026-03-20 → 2026-07-12 · 3 obs
● 2026-03-20 12:08:38
● 2026-07-12 19:17:20
○A221.120.170.2032020-02-29 → 2020-02-29 · 4 obs
● 2020-02-29 04:30:30
○ 2026-03-20 12:08:38
○ 2026-07-12 19:17:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| alphatech.jp | dns05.nplus-net.jp, dns06.nplus-net.jp | 4 records |
✅ Authoritative Response
Server:218.223.32.182
NS records: dns05.nplus-net.jp, dns06.nplus-net.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alphatech.jp (unsigned zone)
⏱️ Timing
Total: 1118ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 221.120.169.13 |
| NS | 2 | dns05.nplus-net.jp, dns06.nplus-net.jp |
| SOA | 1 | dns05.nplus-net.jp operators.global-netc |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns06.nplus-net.jp, dns05.nplus-net.jp, dns06.nplus-net.jp...)
Analysis
Hierarchy
alphatech.jp serves as the parent of sv2.alphatech.jp.
IP Addresses
alphatech.jp resolves to just one IP address, 221.120.169.13.
e138-r8a.ehst.nplus-net.jp, for instance, is one of the other host names sharing IP numbers with alphatech.jp.
Name Servers
alphatech.jp uses two name servers for its delegation: dns05.nplus-net.jp and dns06.nplus-net.jp.
alphatech.jp shares its NS records with other domains, for example seiro.ed.jp, kk-nts.co.jp, 42.223.218.in-addr.arpa and two others.
At least some of alphatech.jp's name servers are also used by other domains, among them nagano-denshi.co.jp.
The two host names dns05.nplus-net.jp and dns06.nplus-net.jp each have a pair of IP addresses: dns05.nplus-net.jp has 218.223.32.182 and 2400:e000:5:1::10, and dns06.nplus-net.jp has 163.43.127.148 and 2001:e42:107:300a::4.