www.st2b.com - robtex.com
www.st2b.com
| CNAME | st2b.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 182.48.49.53🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2143.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 | st2b.com ⭐ | ||||||
| A | 182.48.49.53🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2143.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www2143.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-12-19 #17 | ||||||
st2b.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 182.48.49.53🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| NS | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| MX | st2b.com ⭐ | ||||||
| TXT | v=spf1 a:www2143.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-12-19 #17 | ||||||
Same first word
Similar names
DNS History
8 records (1 active, 7 former)
○NSns-216.dns.jp-e1.cloudn-service.com2016-12-28 → 2016-12-28 · 3 obs
○ 2017-10-15 05:18:26
○ 2026-08-11 21:15:26
○NSns-217.dns.jp-w1.cloudn-service.com2016-12-28 → 2016-12-28 · 3 obs
○ 2017-10-15 05:18:26
○ 2026-08-11 21:15:26
○NSns-218.dns.us-e1.cloudn-service.com2016-12-28 → 2016-12-28 · 3 obs
○ 2017-10-15 05:18:26
○ 2026-08-11 21:15:26
○MXmwbgw1.ocn.ad.jp2016-12-28 → 2016-12-28 · 3 obs
○ 2017-10-15 05:18:26
○ 2026-08-11 21:15:26
○MXmwbgw2.ocn.ad.jp2016-12-28 → 2016-12-28 · 3 obs
○ 2017-10-15 05:18:26
○ 2026-08-11 21:15:26
○A122.1.224.1032016-12-28 → 2016-12-28 · 3 obs
○ 2017-10-15 05:18:26
○ 2026-08-11 21:15:26
○A203.183.80.382026-03-01 → 2026-03-01 · 4 obs
● 2026-03-01 04:50:12
○ 2026-08-11 21:15:22
○ 2026-08-11 21:15:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| st2b.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for st2b.com (unsigned zone)
⏱️ Timing
Total: 1191ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | st2b.com |
Analysis
IP Addresses
www.st2b.com resolves to one IP address: 182.48.49.53.
oishi-shunkei.com, le-parnass.com, hop-web.jp and two other host names share IP numbers with www.st2b.com.
Name Servers
DNS for www.st2b.com is handled by three authoritative name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
The name servers of www.st2b.com overlap at least partially with those of other domains — among them matpe.net, taisinkobo.com, em-labo.com and two more.
master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp all have one IP address each — master.dns.ne.jp directs to 210.224.172.18, ns1.dns.ne.jp directs to 61.211.236.1 and ns2.dns.ne.jp directs to 133.167.21.1.
Mail Servers
Mail for www.st2b.com is handled by a single mail server, st2b.com.
st2b.com has exactly one IP number: 182.48.49.53.