ost-dell.com - robtex.com
ost-dell.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 119.229.60.171🇯🇵 eo119.228.0.0/14 K-OPTI.COM | ||||||
| PTR | 119-229-60-171f1.shg1.eonet.ne.jp | ||||||
| NS | ns0.mydns.jp ⭐ | ||||||
| A | 2001:278:1033:4::74:200🇯🇵 ODN2001:278::/32 IPv6 BLOCK | ||||||
| PTR | ns0.mydns.jp | ||||||
| A | 210.197.74.200🇯🇵 ODN210.197.0.0/16 | ||||||
| PTR | ns0.mydns.jp | ||||||
| NS | ns1.mydns.jp | ||||||
| A | 2001:278:1033:4::74:201🇯🇵 ODN2001:278::/32 IPv6 BLOCK | ||||||
| PTR | ns1.mydns.jp | ||||||
| A | 210.197.74.201🇯🇵 ODN210.197.0.0/16 | ||||||
| PTR | ns1.mydns.jp | ||||||
| NS | ns2.mydns.jp | ||||||
| A | 2001:278:1033:4::74:202🇯🇵 ODN2001:278::/32 IPv6 BLOCK | ||||||
| PTR | ns2.mydns.jp | ||||||
| A | 210.197.74.202🇯🇵 ODN210.197.0.0/16 | ||||||
| PTR | ns2.mydns.jp | ||||||
| MX | ost-dell.com ⭐ | ||||||
| A | 119.229.60.171🇯🇵 eo119.228.0.0/14 K-OPTI.COM | ||||||
| PTR | 119-229-60-171f1.shg1.eonet.ne.jp | ||||||
| TXT | v=spf1 +ip4:119.229.60.171 a:auth.gate-on.net a mx -all | ||||||
| SOA | ns0.mydns.jproot@mydns.jp serial=1778476536 | ||||||
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=1778507726 | ||||||
MX for
ost-dell.com |
Same first word
ost-dell.com |
Similar names
DNS History
12 records (5 active, 7 former)
○NSns.furu.org2015-05-21 → 2017-04-11 · 4 obs
● 2017-04-11 04:43:50
○ 2026-03-03 14:18:38
○ 2026-05-11 14:05:08
●NSns0.mydns.jp2026-03-03 → 2026-05-11 · 3 obs
● 2026-03-03 14:18:38
● 2026-05-11 14:05:08
●NSns1.mydns.jp2026-03-03 → 2026-05-11 · 3 obs
● 2026-03-03 14:18:38
● 2026-05-11 14:05:08
○NSns2.furu.org2015-05-21 → 2017-04-11 · 4 obs
● 2017-04-11 04:43:50
○ 2026-03-03 14:18:38
○ 2026-05-11 14:05:08
●NSns2.mydns.jp2026-03-03 → 2026-05-11 · 3 obs
● 2026-03-03 14:18:38
● 2026-05-11 14:05:08
●MXost-dell.com2015-05-21 → 2026-05-11 · 2 obs
● 2026-05-11 14:05:08
●A119.229.60.1712026-03-03 → 2026-05-11 · 3 obs
● 2026-03-03 14:18:38
● 2026-05-11 14:05:08
○A119.231.178.692016-02-23 → 2016-02-23 · 4 obs
● 2016-02-23 22:31:54
○ 2016-09-04 06:43:16
○ 2026-05-11 14:05:08
○A180.147.140.562016-09-04 → 2016-09-04 · 4 obs
● 2016-09-04 06:43:16
○ 2017-04-11 04:43:50
○ 2026-05-11 14:05:08
○A180.147.141.242017-04-11 → 2017-04-11 · 4 obs
● 2017-04-11 04:43:50
○ 2026-03-03 14:18:38
○ 2026-05-11 14:05:08
○A180.147.92.2162015-10-18 → 2015-11-27 · 5 obs
● 2015-10-18 15:16:36
● 2015-11-27 11:57:08
○ 2016-02-23 22:31:54
○ 2026-05-11 14:05:08
○A60.57.251.102015-05-21 → 2015-05-21 · 3 obs
○ 2015-10-18 15:16:36
○ 2026-05-11 14:05:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ost-dell.com | ns1.mydns.jp, ns0.mydns.jp, ns2.mydns.jp | - |
✅ Authoritative Response
Server:210.197.74.202
NS records: ns1.mydns.jp, ns0.mydns.jp, ns2.mydns.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ost-dell.com (unsigned zone)
⏱️ Timing
Total: 1089ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 119.229.60.171 |
| NS | 3 | ns0.mydns.jp, ns1.mydns.jp... |
| MX | 1 | ost-dell.com (pri: 30) |
| TXT | 1 | v=spf1 +ip4:119.229.60.171 a:auth.gate-o |
| SOA | 1 | ns0.mydns.jp root.mydns.jp |
Analysis
Mail Server Role
ost-dell.com is the mail server for ost-dell.com.
IP Addresses
ost-dell.com resolves to a single IP: 119.229.60.171.
Other host names share IP numbers with ost-dell.com; for instance 119-229-60-171f1.shg1.eonet.ne.jp.
Name Servers
ost-dell.com delegates to three name servers: ns0.mydns.jp, ns1.mydns.jp and ns2.mydns.jp.
ost-dell.com shares some name servers with other domains, for example yystation.mydns.jp, nao.live-on.net, fkd.name, wt11.com and sunao-mita.pgw.jp.
Host names with two IP numbers:
ns0.mydns.jp: 2001:278:1033:4::74:200 and 210.197.74.200
ns1.mydns.jp: 2001:278:1033:4::74:201 and 210.197.74.201
ns2.mydns.jp: 2001:278:1033:4::74:202 and 210.197.74.202
Mail Servers
One mail server handles ost-dell.com.
Host name ost-dell.com points to IP 119.229.60.171.