sim3.net - robtex.com
sim3.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.163.36🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1426.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 | sim3.net ⭐ | ||||||
| A | 219.94.163.36🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1426.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1426.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2026-02-25 #1 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1775014922 | ||||||
MX for
sim3.net |
Subdomains
www.sim3.net |
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
●NSmaster.dns.ne.jp2026-02-24 → 2026-04-01 · 3 obs
● 2026-02-24 09:59:34
● 2026-04-01 03:49:20
●NSns1.dns.ne.jp2026-02-24 → 2026-04-01 · 3 obs
● 2026-02-24 09:59:34
● 2026-04-01 03:49:20
○NSns1.sim3.net2015-08-23 → 2016-03-20 · 4 obs
● 2016-03-20 02:57:38
○ 2016-06-20 00:16:10
○ 2026-04-01 03:49:20
○NSns162212132122.a2dns.com2016-06-20 → 2017-05-27 · 5 obs
● 2016-06-20 00:16:10
● 2017-05-27 02:26:52
○ 2026-02-24 09:59:34
○ 2026-04-01 03:49:20
○NSns199195117179.a2dns.com2016-06-20 → 2017-05-27 · 5 obs
● 2016-06-20 00:16:10
● 2017-05-27 02:26:52
○ 2026-02-24 09:59:34
○ 2026-04-01 03:49:20
●NSns2.dns.ne.jp2026-02-24 → 2026-04-01 · 3 obs
● 2026-02-24 09:59:34
● 2026-04-01 03:49:20
○NSns2.sim3.net2015-08-23 → 2016-03-20 · 4 obs
● 2016-03-20 02:57:38
○ 2016-06-20 00:16:10
○ 2026-04-01 03:49:20
○MXmx.sim3.net2015-08-23 → 2016-03-20 · 4 obs
● 2016-03-20 02:57:38
○ 2016-06-20 00:16:10
○ 2026-04-01 03:49:20
●MXsim3.net2016-06-20 → 2026-04-01 · 3 obs
● 2016-06-20 00:16:10
● 2026-04-01 03:49:20
○A187.45.210.1012015-08-23 → 2016-03-20 · 4 obs
● 2016-03-20 02:57:38
○ 2016-06-20 00:16:10
○ 2026-04-01 03:49:20
○A199.195.117.1792016-06-20 → 2017-05-27 · 5 obs
● 2016-06-20 00:16:10
● 2017-05-27 02:26:52
○ 2026-02-24 09:59:34
○ 2026-04-01 03:49:20
●A219.94.163.362026-02-24 → 2026-04-01 · 3 obs
● 2026-02-24 09:59:34
● 2026-04-01 03:49:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sim3.net | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ 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 sim3.net (unsigned zone)
⏱️ Timing
Total: 930ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.163.36 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | sim3.net (pri: 10) |
| TXT | 1 | v=spf1 a:www1426.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
sim3.net is a parent of www.sim3.net.
Mail Server Role
sim3.net serves as the mail server for sim3.net.
IP Addresses
sim3.net points to a single IP number: 219.94.163.36.
Other host names, for instance mail.kubotakubo.com, emerara.net, shinato.jp, monkeystyle.jp and kubotakubo.com share IP numbers with sim3.net.
Name Servers
The delegation for sim3.net is handled by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
sim3.net at least partially shares name servers with other domains, for instance clearcanvasjp.sakura.ne.jp, tokyo-b0uz.sakura.ne.jp, hamazo.ne.jp, protimes-uji.com and whitekey.co.jp.
These name servers are commonly used with the name servers dns.sakura.ad.jp.
Host names with one IP number:
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.
Mail Servers
A single mail server handles sim3.net.
sim3.net points to a single IP: 219.94.163.36.