fastcoding.jp - dns.ninja
fastcoding.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.235.35🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv174.xbiz.ne.jp | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| MX | mail.fastcoding.jp ⭐ | ||||||
| A | 49.212.243.60🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3550.sakura.ne.jp | ||||||
| TXT | MS=ms63551373 | ||||||
| TXT | google-site-verification=QFkNCTGjHKMbmx2-JUcDYKNuFMDgclq97JdnNkdK3mE | ||||||
| TXT | google-site-verification=ncO0KGq4npT0sFof3q1uruG1yJZwtz1LJ8z1YyJkJGM | ||||||
| TXT | v=spf1 a:www3550.sakura.ne.jp ip4:35.75.243.163 include:spf.sender.xserver.jp... | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1773727103 | ||||||
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=1782638103 | ||||||
Subdomains
mail.fastcoding.jp |
Same first word
fastcoding.jp |
fastcoding.net |
Similar names
DNS History
9 records (6 active, 3 former)
○MXgt15.platetec.com2015-05-28 → 2016-03-23 · 4 obs
● 2016-03-23 18:31:54
○ 2016-11-19 07:55:52
○ 2026-06-28 09:42:56
●MXmail.fastcoding.jp2016-11-19 → 2026-06-28 · 3 obs
● 2016-11-19 07:55:52
● 2026-06-28 09:42:56
●A183.90.235.352026-03-14 → 2026-06-28 · 3 obs
● 2026-03-14 20:09:10
● 2026-06-28 09:42:56
○A183.90.245.412016-11-19 → 2016-11-19 · 4 obs
● 2016-11-19 07:55:52
○ 2026-03-14 20:09:10
○ 2026-06-28 09:42:56
○A211.125.66.72015-05-28 → 2016-03-23 · 4 obs
● 2016-03-23 18:31:54
○ 2016-11-19 07:55:52
○ 2026-06-28 09:42:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| fastcoding.jp | 04.dnsv.jp, 03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.33.53
NS records: 04.dnsv.jp, 03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fastcoding.jp (unsigned zone)
⏱️ Timing
Total: 911ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.235.35 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mail.fastcoding.jp (pri: 10) |
| TXT | 4 | MS=ms63551373, google-site-verification=QFkNCTGjHKMbmx2... |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)
Analysis
Hierarchy
mail.fastcoding.jp is a subdomain of fastcoding.jp.
IP Addresses
fastcoding.jp has exactly one IP address — 183.90.235.35.
mazge.com, beniya-ajisai.co.jp, genshoku.co.jp plus two other host names have IP numbers in common with fastcoding.jp.
Name Servers
Four name servers handle the delegation for fastcoding.jp: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
The name servers of fastcoding.jp overlap at least partially with those of other domains — among them homemate-research-station.com, orec.jp, tomico.jp and two more.
Host names pointing to two IP addresses:
01.dnsv.jp resolves to two addresses: 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp resolves to two addresses: 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp resolves to two addresses: 157.7.35.53 and 2400:8500:3fff::53.
Host names resolving to a single IP address:
The hostname 02.dnsv.jp resolves to 157.7.33.53.
Mail Servers
fastcoding.jp uses one mail server — mail.fastcoding.jp.
mail.fastcoding.jp carries a single IP number, which is 49.212.243.60.