go-sjf.com - robtex.com
go-sjf.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.198.165🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2925.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 | go-sjf.com ⭐ | ||||||
| A | 49.212.198.165🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2925.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www2925.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2023-03-31 #2 | ||||||
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=1775953622 | ||||||
MX for
go-sjf.com |
Subdomains
mail.go-sjf.com |
Same first word
go-sjf.com |
DNS History
9 records (5 active, 4 former)
●NSmaster.dns.ne.jp2026-03-07 → 2026-04-12 · 3 obs
● 2026-03-07 18:02:28
● 2026-04-12 00:57:10
○NSns1.blanchimont.net2015-05-29 → 2017-04-19 · 4 obs
● 2017-04-19 19:37:26
○ 2026-03-07 18:02:28
○ 2026-04-12 00:57:10
●NSns1.dns.ne.jp2026-03-07 → 2026-04-12 · 3 obs
● 2026-03-07 18:02:28
● 2026-04-12 00:57:10
○NSns2.blanchimont.net2015-05-29 → 2017-04-19 · 4 obs
● 2017-04-19 19:37:26
○ 2026-03-07 18:02:28
○ 2026-04-12 00:57:10
●NSns2.dns.ne.jp2026-03-07 → 2026-04-12 · 3 obs
● 2026-03-07 18:02:28
● 2026-04-12 00:57:10
●MXgo-sjf.com2026-03-07 → 2026-04-12 · 3 obs
● 2026-03-07 18:02:28
● 2026-04-12 00:57:10
○MXmail.go-sjf.com2015-05-29 → 2017-04-19 · 4 obs
● 2017-04-19 19:37:26
○ 2026-03-07 18:02:28
○ 2026-04-12 00:57:10
○A157.7.204.922015-05-29 → 2017-04-19 · 4 obs
● 2017-04-19 19:37:26
○ 2026-03-07 18:02:28
○ 2026-04-12 00:57:10
●A49.212.198.1652026-03-07 → 2026-04-12 · 3 obs
● 2026-03-07 18:02:28
● 2026-04-12 00:57:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net... | - |
| go-sjf.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 go-sjf.com (unsigned zone)
⏱️ Timing
Total: 437ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.198.165 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | go-sjf.com (pri: 10) |
| TXT | 1 | v=spf1 a:www2925.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
The parent of mail.go-sjf.com is go-sjf.com.
Mail Server Role
The mail server for go-sjf.com is go-sjf.com.
IP Addresses
go-sjf.com points to a single IP address: 49.212.198.165.
Other host names such as hamontech.com, around.co.jp, tako-oneness.sakura.ne.jp, ceis.jp and yakyukakumei.com share IPs with go-sjf.com.
Name Servers
go-sjf.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
go-sjf.com at least partially shares name servers with other domains, for example zamasui.sakura.ne.jp, mail.417.ne.jp, esosai.com, ooshimagekizyou.sakura.ne.jp and shirakami-visitor.jp.
Host names with a single IP address:
master.dns.ne.jp resolves to 210.224.172.18.
ns1.dns.ne.jp resolves to 61.211.236.1.
ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
One mail server handles go-sjf.com; that server is go-sjf.com.
go-sjf.com points to a single IP number: 49.212.198.165.