ostbox.com - dns.ninja
ostbox.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.152.44.151🇰🇷 KT-NET121.152.0.0/13 | ||||||
| NS | ostbox.com ⭐ | ||||||
| A | 121.152.44.151🇰🇷 KT-NET121.152.0.0/13 | ||||||
| NS | ns.newseoul.com ⚠️ Not in zone NS records | ||||||
| A | 64.190.63.222🇩🇪 SEDO64.190.62.0/23 -NET2-PI | ||||||
| NS | ns.softcan.net ⚠️ Not in parent delegation | ||||||
| A | 211.175.164.10🇰🇷 MAINT-AS9457211.175.128.0/17 | ||||||
| NS | ns2.softcan.net | ||||||
| A | 121.152.44.100🇰🇷 KT-NET121.152.0.0/13 | ||||||
| MX | ostbox.com ⭐ | ||||||
| A | 121.152.44.151🇰🇷 KT-NET121.152.0.0/13 | ||||||
| SOA | ostbox.comroot@ostbox.com serial=1781589352 | ||||||
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=1783913107 | ||||||
NS for
ostbox.com |
MX for
ostbox.com |
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSns.newseoul.com2015-07-22 → 2026-07-13 · 2 obs
● 2026-07-13 03:38:16
●NSns.softcan.net2015-07-22 → 2026-07-13 · 2 obs
● 2026-07-13 03:38:16
●NSns2.softcan.net2026-03-07 → 2026-07-13 · 3 obs
● 2026-03-07 07:36:18
● 2026-07-13 03:38:16
●NSostbox.com2015-07-22 → 2026-07-13 · 2 obs
● 2026-07-13 03:38:16
●MXostbox.com2015-07-22 → 2026-07-13 · 2 obs
● 2026-07-13 03:38:16
●A121.152.44.1512026-03-07 → 2026-07-13 · 5 obs
● 2026-03-07 07:36:18
○ 2026-03-15 15:42:52
● 2026-03-26 20:25:00
● 2026-07-13 03:38:16
○A125.132.9.332018-05-25 → 2018-05-25 · 4 obs
● 2018-05-25 03:37:42
○ 2026-03-07 07:36:18
○ 2026-07-13 03:38:16
○A222.122.56.332015-07-22 → 2017-01-16 · 4 obs
● 2017-01-16 08:02:00
○ 2018-05-25 03:37:42
○ 2026-07-13 03:38:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net... | - |
| ostbox.com | ns.newseoul.com, ns.softcan.net | 1 record |
✅ Authoritative Response
Server:211.175.164.10
NS records: ns.newseoul.com, ns.softcan.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ostbox.com (unsigned zone)
⏱️ Timing
Total: 4346ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.152.44.151 |
| NS | 2 | ns.softcan.net, ns2.softcan.net |
| MX | 1 | ostbox.com (pri: 10) |
| SOA | 1 | ostbox.com root.ostbox.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns.newseoul.com)
Analysis
Name Server Role
ostbox.com acts as a name server for ostbox.com, meaning it is self-referentially delegated.
ostbox.com is commonly paired with ns2.softcan.net, ns.softcan.net and ns.newseoul.com to act as name servers.
Mail Server Role
ostbox.com is listed as a mail server for itself.
IP Addresses
ostbox.com resolves to one IP address: 121.152.44.151.
mail.korea04.net, mail.sunhyemok.com, xtent.co.kr and two other host names share IP numbers with ostbox.com.
Name Servers
ostbox.com has four name servers: ostbox.com, ns.newseoul.com, ns2.softcan.net and ns.softcan.net.
At least some of ostbox.com's name servers are shared with other domains, for example xtent.co.kr, woosungfa.com, s-joo.com and two more.
These name servers tend to be used in conjunction with the name servers ns3.softcan.net.
Each of the four hosts ostbox.com, ns.newseoul.com, ns2.softcan.net and ns.softcan.net points to a single IP address — ostbox.com points to 121.152.44.151, ns.newseoul.com points to 64.190.63.222, ns2.softcan.net points to 121.152.44.100 and ns.softcan.net points to 211.175.164.10.
Mail Servers
Mail for ostbox.com is handled by one mail server — ostbox.com.