okcb.net - robtex.com
okcb.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.78.144.176🇰🇷 GABIA-AS-KR121.78.144.0/24 Transit customer route announce | ||||||
| NS | ns2.sansung.net ⭐ | ||||||
| A | 211.218.126.189🇰🇷 KT-NET211.216.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns.sansung.net ⚠️ Not in zone NS records | ||||||
| A | 115.71.237.117🇰🇷 DAOU-AS-KR115.71.237.0/24 DAOU Tech | ||||||
| PTR | ns.sansung.net | ||||||
| MX | kr1-aspmx1.worksmobile.com ⭐ | ||||||
| A | 125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform | ||||||
| PTR | crcvmail.worksmobile.com | ||||||
| MX | kr1-aspmx2.worksmobile.com(20) | ||||||
| A | 125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform | ||||||
| PTR | crcvmail.worksmobile.com | ||||||
| TXT | v=spf1 ip4:115.71.237.129 ip4:121.78.144.200 ip4:121.78.144.175 ip4:115.71.23... | ||||||
| SOA | ns.sansung.netroot@sansung.net 1997-02-27 #0 | ||||||
net
| 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=1771291465 | ||||||
Same first word
okcb.net |
Similar names
DNS History
12 records (5 active, 7 former)
●NSns.sansung.net2015-05-30 → 2026-03-24 · 5 obs
○ 2015-10-17 20:07:18
○ 2016-09-18 01:16:36
● 2026-03-19 01:44:24
● 2026-03-24 11:24:52
○NSns1.ndsoftdns.com2015-10-17 → 2016-09-18 · 5 obs
● 2015-10-17 20:07:18
● 2016-09-18 01:16:36
○ 2026-03-19 01:44:24
○ 2026-03-24 11:24:52
○NSns2.ndsoftdns.com2015-10-17 → 2016-09-18 · 5 obs
● 2015-10-17 20:07:18
● 2016-09-18 01:16:36
○ 2026-03-19 01:44:24
○ 2026-03-24 11:24:52
●NSns2.sansung.net2026-03-19 → 2026-03-24 · 3 obs
● 2026-03-19 01:44:24
● 2026-03-24 11:24:52
○MXaspmx1.naver.com2015-10-17 → 2016-09-18 · 5 obs
● 2015-10-17 20:07:18
● 2016-09-18 01:16:36
○ 2026-03-19 01:44:24
○ 2026-03-24 11:24:52
○MXaspmx2.naver.com2015-10-17 → 2016-09-18 · 5 obs
● 2015-10-17 20:07:18
● 2016-09-18 01:16:36
○ 2026-03-19 01:44:24
○ 2026-03-24 11:24:52
●MXkr1-aspmx1.worksmobile.com2026-03-19 → 2026-03-24 · 3 obs
● 2026-03-19 01:44:24
● 2026-03-24 11:24:52
●MXkr1-aspmx2.worksmobile.com2026-03-19 → 2026-03-24 · 3 obs
● 2026-03-19 01:44:24
● 2026-03-24 11:24:52
○MXns10.sansung.net2015-05-30 → 2015-05-30 · 3 obs
○ 2015-10-17 20:07:18
○ 2026-03-24 11:24:52
○A114.200.196.832015-10-17 → 2016-09-18 · 5 obs
● 2015-10-17 20:07:18
● 2016-09-18 01:16:36
○ 2026-03-19 01:44:24
○ 2026-03-24 11:24:52
●A121.78.144.1762026-03-19 → 2026-03-24 · 3 obs
● 2026-03-19 01:44:24
● 2026-03-24 11:24:52
○A121.78.144.2082015-05-30 → 2015-05-30 · 3 obs
○ 2015-10-17 20:07:18
○ 2026-03-24 11:24:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| okcb.net | ns.sansung.net, ns2.sansung.net | 2 records |
✅ Authoritative Response
Server:115.71.237.117
NS records: ns.sansung.net, ns2.sansung.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for okcb.net (unsigned zone)
⏱️ Timing
Total: 3504ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.78.144.176 |
| NS | 1 | ns.sansung.net |
| MX | 2 | kr1-aspmx1.worksmobile.com (pri: 10), kr1-aspmx2.worksmobile.com (pri: 20) |
| TXT | 1 | v=spf1 ip4:115.71.237.129 ip4:121.78.144 |
| SOA | 1 | ns.sansung.net root.sansung.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.sansung.net, ns2.sansung.net)
Analysis
IP Addresses
okcb.net resolves to one IP number: 121.78.144.176.
other host names including indifocus.kr, imb.or.kr, insweek.co.kr, nongupin.com and kspnews.net share IP numbers with okcb.net.
Name Servers
okcb.net is delegated to two name servers ns2.sansung.net and ns.sansung.net.
okcb.net shares the same name server setup as other domains, for instance kijanews.co.kr, safeasianews.com, mediajournal.co.kr, ikpa.net and kspnews.com.
okcb.net at least partially shares name servers with other domains, for instance dongbuka.kr, bcnews.co.kr, applenews.kr, morningtoday.co.kr and munhakwan.com.
Host names with one IP number:
ns2.sansung.net points to 211.218.126.189
ns.sansung.net points to 115.71.237.117
Mail Servers
Two mail servers handle okcb.net: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.
okcb.net shares the same mail server setup as other domains, for instance reully.com, vonekr.com, the-stock.kr, di-communications.com and johnpaul.co.kr.
okcb.net shares some mail servers with other domains, at least partially, for instance igakorea.com, webtoon-21c.com, dhtkorea.com, skinresearch.or.kr and onlab.kr.
these mail servers are often used alongside aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
Host names with a single IP:
kr1-aspmx1.worksmobile.com points to 125.209.209.251.
kr1-aspmx2.worksmobile.com points to 125.209.209.251.
Host names pointing to 125.209.209.251: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.