ladoga.jp - robtex.com
ladoga.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.248.3🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc. | ||||||
| PTR | sv302.sixcore.ne.jp | ||||||
| NS | ns1.sixcore.ne.jp ⭐ | ||||||
| A | 202.226.36.232🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns1.sixcore.ne.jp | ||||||
| NS | ns2.sixcore.ne.jp | ||||||
| A | 202.226.39.241🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns2.sixcore.ne.jp | ||||||
| NS | ns3.sixcore.ne.jp | ||||||
| A | 202.226.37.248🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns3.sixcore.ne.jp | ||||||
| MX | ladoga.jp ⭐ | ||||||
| A | 183.90.248.3🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc. | ||||||
| PTR | sv302.sixcore.ne.jp | ||||||
| TXT | v=spf1 +a:sv302.sixcore.ne.jp +a:ladoga.jp +mx include:spf.sender.xserver.jp ... | ||||||
| SOA | ns1.sixcore.ne.jproot@sv0.sixcore.ne.jp serial=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=1785690902 | ||||||
MX for
ladoga.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.sixcore.ne.jp2018-12-16 → 2026-08-02 · 2 obs
● 2026-08-02 17:25:46
●NSns2.sixcore.ne.jp2018-12-16 → 2026-08-02 · 2 obs
● 2026-08-02 17:25:46
●NSns3.sixcore.ne.jp2018-12-16 → 2026-08-02 · 2 obs
● 2026-08-02 17:25:46
●MXladoga.jp2018-12-16 → 2026-08-02 · 2 obs
● 2026-08-02 17:25:46
●A183.90.248.32018-12-16 → 2026-08-02 · 2 obs
● 2026-08-02 17:25:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| ladoga.jp | ns1.sixcore.ne.jp, ns2.sixcore.ne.jp, ns3.sixcore.ne.jp | 3 records |
✅ Authoritative Response
Server:202.226.37.248
NS records: ns1.sixcore.ne.jp, ns2.sixcore.ne.jp, ns3.sixcore.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ladoga.jp (unsigned zone)
⏱️ Timing
Total: 944ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.248.3 |
| NS | 3 | ns1.sixcore.ne.jp, ns2.sixcore.ne.jp... |
| MX | 1 | ladoga.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv302.sixcore.ne.jp +a:ladoga. |
| SOA | 1 | ns1.sixcore.ne.jp root.sv0.sixcore.ne.jp |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.sixcore.ne.jp, ns2.sixcore.ne.jp, ns3.sixcore.ne.jp)
Analysis
Mail Server Role
ladoga.jp acts as its own mail server.
IP Addresses
ladoga.jp points to a single IP number: 183.90.248.3.
Additional host names — lava-intl.co.jp, www.keio-ortho.jp, yamato-a.jp and two others — share IP numbers with ladoga.jp.
Name Servers
ladoga.jp is delegated to three name servers: ns1.sixcore.ne.jp, ns2.sixcore.ne.jp and ns3.sixcore.ne.jp.
ladoga.jp shares at least some of its name servers with other domains, including asahi-robo.jp, en-konkatsu.com, zion.co.jp and two others.
ns1.sixcore.ne.jp, ns2.sixcore.ne.jp and ns3.sixcore.ne.jp each resolve to a single IP address: ns1.sixcore.ne.jp resolves to 202.226.36.232, ns2.sixcore.ne.jp resolves to 202.226.39.241 and ns3.sixcore.ne.jp resolves to 202.226.37.248.
Mail Servers
ladoga.jp has a single mail server: ladoga.jp itself.
ladoga.jp resolves to a single IP number: 183.90.248.3.