opencast.com - dns.ninja
opencast.com
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=1786744134 | ||||||
NS for
opencast.com |
Subdomains
imap.opencast.com |
Same first word
opencast.com |
opencast.eu |
opencast.de |
opencast.jp |
opencast.org.uk |
opencast.co.kr |
opencast.github.io |
opencast.org |
Similar names
DNS History
10 records (7 active, 3 former)
●NSns1.cafe24.co.kr2026-03-08 → 2026-08-14 · 3 obs
● 2026-03-08 16:36:28
● 2026-08-14 21:55:48
●NSns1.cafe24.com2026-03-08 → 2026-08-14 · 3 obs
● 2026-03-08 16:36:28
● 2026-08-14 21:55:48
○NSns12.pculture.net2015-06-30 → 2016-05-11 · 4 obs
● 2016-05-11 04:59:10
○ 2026-03-08 16:36:28
○ 2026-08-14 21:55:48
●NSns2.cafe24.co.kr2026-03-08 → 2026-08-14 · 3 obs
● 2026-03-08 16:36:28
● 2026-08-14 21:55:48
●NSns2.cafe24.com2026-03-08 → 2026-08-14 · 3 obs
● 2026-03-08 16:36:28
● 2026-08-14 21:55:48
○NSns9.pculture.net2015-06-30 → 2016-05-11 · 4 obs
● 2016-05-11 04:59:10
○ 2026-03-08 16:36:28
○ 2026-08-14 21:55:48
●NSopencast.com2026-03-08 → 2026-08-14 · 6 obs
● 2026-03-08 16:36:28
● 2026-06-11 22:11:52
○ 2026-06-24 22:07:10
● 2026-07-14 10:41:24
● 2026-08-14 21:55:48
●MXkr1-aspmx2.worksmobile.com2026-03-08 → 2026-08-14 · 6 obs
● 2026-03-08 16:36:28
● 2026-06-11 22:11:52
○ 2026-06-24 22:07:10
● 2026-07-14 10:41:24
● 2026-08-14 21:55:48
○MXmail.opencast.com2015-06-30 → 2016-05-11 · 4 obs
● 2016-05-11 04:59:10
○ 2026-03-08 16:36:28
○ 2026-08-14 21:55:48
●A183.111.182.2392026-03-08 → 2026-08-14 · 5 obs
● 2026-06-11 22:11:52
○ 2026-06-24 22:07:10
● 2026-07-14 10:41:24
● 2026-08-14 21:55:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net... | - |
| opencast.com | ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr | 9 records |
✅ Authoritative Response
Server:1.226.85.4
NS records: ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opencast.com (unsigned zone)
⏱️ Timing
Total: 1237ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.111.182.239 |
| NS | 4 | ns2.cafe24.co.kr, ns1.cafe24.com... |
| MX | 1 | kr1-aspmx2.worksmobile.com (pri: 20) |
| TXT | 1 | v=spf1 ip4:183.111.182.239 ~all |
| SOA | 1 | opencast.com postmaster.opencast.com |
📌 Glue Records Collected
Total: 9
Out-of-bailiwick: 9 (ns2.cafe24.com, ns2.cafe24.com, ns2.cafe24.com...)
Analysis
Hierarchy
imap.opencast.com is a subdomain of opencast.com.
Name Server Role
opencast.com serves as a name server for itself — opencast.com is its own authoritative name server.
ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr frequently serve as name servers alongside opencast.com.
IP Addresses
opencast.com points to a single IP number: 183.111.182.239.
Additional host names — pidodream.com, artssam.com, sungkun.co.kr and two others — share IP numbers with opencast.com.
Name Servers
opencast.com is delegated to five name servers: opencast.com, ns1.cafe24.com, ns2.cafe24.com and two others.
The name servers of opencast.com overlap at least partially with those of other domains — among them villagechief.co.kr, seaki.co.kr, valvei.com and two more.
These name servers commonly appear in delegations together with ns2.cafe24.co.kr, ns.cafe24.com, dns1.cafe24.com and 4 other.
Host names that resolve to five IP addresses:
ns1.cafe24.com points to 112.175.246.230, 112.175.246.231, 116.126.143.242 and two other IP addresses.
Host names resolving to four IP addresses:
ns2.cafe24.com resolves to 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.
ns1.cafe24.co.kr resolves to 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.
ns2.cafe24.co.kr resolves to 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.
Host names pointing to a single IP address:
opencast.com resolves to the IP address 183.111.182.239.
Mail Servers
opencast.com has one mail server: kr1-aspmx2.worksmobile.com.
opencast.com shares the same mail server setup as other domains, including iacd.or.kr, www.adpark.co.kr, www.1half.kr and two others.
opencast.com shares mail servers — at least in part — with other domains, including me-d.kr, majorpiece.com, webnamu.com and two others.
These mail servers are frequently seen alongside the mail servers kr1-aspmx1.worksmobile.com.
kr1-aspmx2.worksmobile.com resolves to 125.209.209.251 and no other IP number.