switch.jp - robtex.com
switch.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.181.99.48🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www328.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | switch.jp ⭐ | ||||||
| A | 202.181.99.48🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www328.sakura.ne.jp | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2017-05-17 #18 | ||||||
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=1783140303 | ||||||
MX for
switch.jp |
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSmaster.dns.ne.jp2016-05-14 → 2026-07-04 · 3 obs
● 2016-05-14 15:22:08
● 2026-07-04 05:13:46
●NSns1.dns.ne.jp2016-05-14 → 2026-07-04 · 3 obs
● 2016-05-14 15:22:08
● 2026-07-04 05:13:46
○NSns1.sedoparking.com2015-07-17 → 2016-02-22 · 4 obs
● 2016-02-22 04:07:50
○ 2016-05-14 15:22:08
○ 2026-07-04 05:13:46
●NSns2.dns.ne.jp2016-05-14 → 2026-07-04 · 3 obs
● 2016-05-14 15:22:08
● 2026-07-04 05:13:46
○NSns2.sedoparking.com2015-07-17 → 2016-02-22 · 4 obs
● 2016-02-22 04:07:50
○ 2016-05-14 15:22:08
○ 2026-07-04 05:13:46
○MXmail.nickstel.com2015-07-17 → 2016-02-22 · 4 obs
● 2016-02-22 04:07:50
○ 2016-05-14 15:22:08
○ 2026-07-04 05:13:46
●MXswitch.jp2016-05-14 → 2026-07-04 · 3 obs
● 2016-05-14 15:22:08
● 2026-07-04 05:13:46
●A202.181.99.482016-05-14 → 2026-07-04 · 3 obs
● 2016-05-14 15:22:08
● 2026-07-04 05:13:46
○A72.52.4.1192015-07-17 → 2016-02-22 · 4 obs
● 2016-02-22 04:07:50
○ 2016-05-14 15:22:08
○ 2026-07-04 05:13:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, g.dns.jp, d.dns.jp, e.dns.jp... | - |
| switch.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for switch.jp (unsigned zone)
⏱️ Timing
Total: 654ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.181.99.48 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | switch.jp (pri: 10) |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)
Analysis
Mail Server Role
The MX record for switch.jp points back to switch.jp — it is its own mail server.
IP Addresses
switch.jp directs to one IP number, which is 202.181.99.48.
Among the host names that share IP numbers with switch.jp are brother-p.jp, koharusya.jp, www328.sakura.ne.jp and two others.
Name Servers
switch.jp carries NS records delegating to master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
There is at least partial name server overlap between switch.jp and other domains — tani-design.com, ssfk.co.jp, mzcore.jp and two more among them.
These name servers are routinely deployed together with the name servers dns.sakura.ad.jp.
master.dns.ne.jp points to 210.224.172.18; ns1.dns.ne.jp points to 61.211.236.1; ns2.dns.ne.jp points to 133.167.21.1 — each hostname maps to exactly one IP address.
Mail Servers
The MX record for switch.jp points to a single mail server: switch.jp.
switch.jp carries a single IP number, which is 202.181.99.48.