swd.sixcore.jp - robtex.com
swd.sixcore.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.112.149.137🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc. | ||||||
| PTR | dsv236.sixcore.ne.jp | ||||||
| NS | ns1.sixcore.ne.jp ⭐ ⚠️ Not in parent delegation | ||||||
| A | 202.226.36.232🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns1.sixcore.ne.jp | ||||||
| NS | ns2.sixcore.ne.jp ⚠️ Not in parent delegation | ||||||
| A | 202.226.39.241🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns2.sixcore.ne.jp | ||||||
| NS | ns3.sixcore.ne.jp ⚠️ Not in parent delegation | ||||||
| A | 202.226.37.248🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns3.sixcore.ne.jp | ||||||
| MX | swd.sixcore.jp ⭐ | ||||||
| A | 157.112.149.137🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc. | ||||||
| PTR | dsv236.sixcore.ne.jp | ||||||
| TXT | v=spf1 +a:swd.sixcore-server.jp +a:swd.sixcore.jp +mx include:spf.sender.xser... | ||||||
| SOA | ns1.sixcore.ne.jproot@sv0.sixcore.ne.jp serial=0 | ||||||
sixcore.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.226.36.231🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| NS | ns1.sixcore.ne.jp ⭐ | ||||||
| NS | ns2.sixcore.ne.jp | ||||||
| SOA | ns1.sixcore.ne.jproot@sv0.sixcore.ne.jp serial=0 | ||||||
rank #6600 in the tld
📈 Tranco rank: #500,800
MX for
swd.sixcore.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.sixcore.ne.jp2026-02-16 → 2026-04-25 · 2 obs
● 2026-04-25 02:29:32
●NSns2.sixcore.ne.jp2026-02-16 → 2026-04-25 · 2 obs
● 2026-04-25 02:29:32
●NSns3.sixcore.ne.jp2026-02-16 → 2026-04-25 · 2 obs
● 2026-04-25 02:29:32
●MXswd.sixcore.jp2026-02-16 → 2026-04-25 · 2 obs
● 2026-04-25 02:29:32
●A157.112.149.1372026-02-16 → 2026-04-25 · 2 obs
● 2026-04-25 02:29:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, f.dns.jp, c.dns.jp, g.dns.jp... | - |
| sixcore.jp | ns2.sixcore.ne.jp, ns1.sixcore.ne.jp | 2 records |
✅ Authoritative Response
Server:202.226.36.232
NS records: ns2.sixcore.ne.jp, ns1.sixcore.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sixcore.jp (unsigned zone)
⏱️ Timing
Total: 848ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.112.149.137 |
| NS | 3 | ns3.sixcore.ne.jp, ns1.sixcore.ne.jp... |
| MX | 1 | swd.sixcore.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:swd.sixcore-server.jp +a:swd.s |
| SOA | 1 | ns1.sixcore.ne.jp root.sv0.sixcore.ne.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.sixcore.ne.jp, ns1.sixcore.ne.jp)
Analysis
Mail Server Role
swd.sixcore.jp serves as a mail server for swd.sixcore.jp.
IP Addresses
swd.sixcore.jp points to a single IP: 157.112.149.137.
Other host names, for instance koshien.co.jp, shakeup.jp, www.wing-r.jp, baroque-works.jp and puchiclub.net share IP numbers with swd.sixcore.jp.
Name Servers
swd.sixcore.jp is delegated to three name servers: ns1.sixcore.ne.jp, ns2.sixcore.ne.jp and ns3.sixcore.ne.jp.
swd.sixcore.jp at least partially shares its name servers with other domains, for instance meiyon.com, inter-techno.jp, saimu-saimu.com, knowledgeispower.jp and eab.co.jp.
Host names with one IP number:
ns1.sixcore.ne.jp points to: 202.226.36.232.
ns2.sixcore.ne.jp points to: 202.226.39.241.
ns3.sixcore.ne.jp points to: 202.226.37.248.
Mail Servers
swd.sixcore.jp is handled by a single mail server.
swd.sixcore.jp points to IP number 157.112.149.137.