smartshika.com - robtex.com
smartshika.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 175.28.4.18🇯🇵 XSERVER-AS175.28.4.0/23 XSERVER Inc. | ||||||
| PTR | sv17.xtwo.ne.jp | ||||||
| NS | ns1.xtwo.ne.jp ⭐ | ||||||
| A | 175.28.4.232🇯🇵 XSERVER-AS175.28.4.0/23 XSERVER Inc. | ||||||
| PTR | ns1.xtwo.ne.jp | ||||||
| NS | ns2.xtwo.ne.jp | ||||||
| A | 202.226.39.251🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns2.xtwo.ne.jp | ||||||
| NS | ns3.xtwo.ne.jp | ||||||
| A | 202.226.37.251🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns3.xtwo.ne.jp | ||||||
| MX | smartshika.com ⭐ | ||||||
| A | 175.28.4.18🇯🇵 XSERVER-AS175.28.4.0/23 XSERVER Inc. | ||||||
| PTR | sv17.xtwo.ne.jp | ||||||
| TXT | v=spf1 +a:sv17.xtwo.ne.jp +a:smartshika.com +mx include:spf.sender.xserver.jp... | ||||||
| SOA | ns1.xtwo.ne.jproot@sv0.xtwo.ne.jp serial=0 | ||||||
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=1774500502 | ||||||
MX for
smartshika.com |
Same first word
smartshika.com |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.xtwo.ne.jp2016-12-14 → 2026-03-26 · 2 obs
● 2026-03-26 05:08:36
●NSns2.xtwo.ne.jp2016-12-14 → 2026-03-26 · 2 obs
● 2026-03-26 05:08:36
●NSns3.xtwo.ne.jp2016-12-14 → 2026-03-26 · 2 obs
● 2026-03-26 05:08:36
●MXsmartshika.com2016-12-14 → 2026-03-26 · 2 obs
● 2026-03-26 05:08:36
●A175.28.4.182016-12-14 → 2026-03-26 · 2 obs
● 2026-03-26 05:08:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net... | - |
| smartshika.com | ns1.xtwo.ne.jp, ns2.xtwo.ne.jp, ns3.xtwo.ne.jp | - |
✅ Authoritative Response
Server:202.226.39.251
NS records: ns1.xtwo.ne.jp, ns2.xtwo.ne.jp, ns3.xtwo.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smartshika.com (unsigned zone)
⏱️ Timing
Total: 924ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 175.28.4.18 |
| NS | 3 | ns2.xtwo.ne.jp, ns1.xtwo.ne.jp... |
| MX | 1 | smartshika.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv17.xtwo.ne.jp +a:smartshika. |
| SOA | 1 | ns1.xtwo.ne.jp root.sv0.xtwo.ne.jp |
Analysis
Mail Server Role
smartshika.com serves as the mail server for smartshika.com.
IP Addresses
smartshika.com points to a single IP address: 175.28.4.18.
Other host names such as mail.medicalmg.co.jp, www.youme-inc.tv, www.miyabeeplus.co.jp, gomidental-kashiwa.com and cihp.jp share IP numbers with smartshika.com.
Name Servers
smartshika.com is delegated to three name servers: ns1.xtwo.ne.jp, ns2.xtwo.ne.jp and ns3.xtwo.ne.jp.
At least part of the name servers for smartshika.com are shared with other domains, for instance stable-co.com, heiwakai-doctor.com, coop-kyujin.com, suv-navi.net and fairchildcare.com.
Host names with a single IP:
ns1.xtwo.ne.jp points to: 175.28.4.232
ns2.xtwo.ne.jp points to: 202.226.39.251
ns3.xtwo.ne.jp points to: 202.226.37.251
Mail Servers
Mail for smartshika.com is handled by a single mail server, smartshika.com.
Host smartshika.com points to IP 175.28.4.18.