sfa-system.com - robtex.com
sfa-system.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.167.86.170🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | os3-373-19666.vs.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 | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2019-06-20 #15 | ||||||
com
| 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=1776073312 | ||||||
Subdomains
www.sfa-system.com |
Same first word
sfa-system.com |
Similar names
DNS History
4 records (4 active, 0 former)
●A133.167.86.1702019-12-15 → 2026-04-13 · 2 obs
● 2026-04-13 09:52:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sfa-system.com | 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 sfa-system.com (unsigned zone)
⏱️ Timing
Total: 957ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.167.86.170 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
www.sfa-system.com has sfa-system.com as its parent.
IP Addresses
sfa-system.com maps to IP address 133.167.86.170.
Other host names for instance os3-373-19666.vs.sakura.ne.jp and www.sfa-system.com share IP numbers with sfa-system.com.
Name Servers
sfa-system.com is delegated to name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
sfa-system.com at least partially shares name servers with other domains such as siennapuppy57.sakura.ne.jp, we-net.sakura.ne.jp, anx.jp, skyfish.jp and sadoya.com.
Host names with a single IP:
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