linecode.jp - robtex.com
linecode.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.207.234SAKURA-C49.212.0.0/16 | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 AS937061.211.236.0/24 | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | linecode.jp ⭐ | ||||||
| A | 49.212.207.234SAKURA-C49.212.0.0/16 | ||||||
| TXT | v=spf1 a:www3194.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-10-10 #16 | ||||||
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=1793263502 | ||||||
MX for
linecode.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXlinecode.jp2026-10-07 → 2026-10-29 · 2 obs
● 2026-10-29 09:12:26
●A49.212.207.2342026-10-07 → 2026-10-29 · 2 obs
● 2026-10-29 09:12:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | d.dns.jp, e.dns.jp, a.dns.jp, c.dns.jp... | 15 records |
| linecode.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linecode.jp (unsigned zone)
⏱️ Timing
Total: 1043ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.207.234 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | linecode.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www3194.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 17
In-bailiwick: 15 (a.dns.jp, b.dns.jp, c.dns.jp...)
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Mail Server Role
linecode.jp is listed as a mail server for itself.
IP Addresses
linecode.jp resolves to one IP address: 49.212.207.234.
Name Servers
The authoritative name servers for linecode.jp are master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp — three in total.
The hostnames master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP: master.dns.ne.jp → 210.224.172.18, ns1.dns.ne.jp → 61.211.236.1, ns2.dns.ne.jp → 133.167.21.1.
Mail Servers
Mail for linecode.jp is handled by one mail server — linecode.jp.
linecode.jp directs to just one IP number, 49.212.207.234.