opencom.com - dns.ninja
opencom.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.78.91.10🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange | ||||||
| PTR | serverb10.opencom.com | ||||||
| NS | opencom.com ⭐ | ||||||
| A | 121.78.91.10🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange | ||||||
| PTR | serverb10.opencom.com | ||||||
| NS | ns.opengogo.com | ||||||
| A | 121.78.91.66🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange | ||||||
| PTR | serverb66.opencom.com | ||||||
| NS | ns.openhaja.com | ||||||
| A | 121.78.91.2🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange | ||||||
| PTR | serverb2.opencom.com | ||||||
| NS | ns.vt.opencom.com ⚠️ Not in parent delegation | ||||||
| A | 192.168.0.201 | ||||||
| NS | ns1.backoffice.opencom.com ⚠️ Not in parent delegation | ||||||
| A | 121.78.91.2🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange | ||||||
| PTR | serverb2.opencom.com | ||||||
| NS | ns1.mail148.opencom.com ⚠️ Not in parent delegation | ||||||
| NS | ns1.mail28.opencom.com ⚠️ Not in parent delegation | ||||||
| A | 121.78.91.2🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange | ||||||
| PTR | serverb2.opencom.com | ||||||
| NS | ns1.pdns.opencom.com ⚠️ Not in parent delegation | ||||||
| A | 121.78.91.50🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange | ||||||
| PTR | serverb50.opencom.com | ||||||
| NS | ns1.sm.opencom.com ⚠️ Not in parent delegation | ||||||
| NS | ns2.backoffice.opencom.com ⚠️ Not in parent delegation | ||||||
| A | 58.229.223.164🇰🇷 SKB-NET58.224.0.0/13 SKB summary | ||||||
| NS | ns2.mail148.opencom.com ⚠️ Not in parent delegation | ||||||
| NS | ns2.mail28.opencom.com ⚠️ Not in parent delegation | ||||||
| A | 58.229.223.164🇰🇷 SKB-NET58.224.0.0/13 SKB summary | ||||||
| NS | ns2.pdns.opencom.com ⚠️ Not in parent delegation | ||||||
| A | 121.78.91.50🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange | ||||||
| PTR | serverb50.opencom.com | ||||||
| NS | ns2.sm.opencom.com ⚠️ Not in parent delegation | ||||||
| MX | aspmx.daum.net ⭐ | ||||||
| A | 121.53.85.23🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao | ||||||
| MX | alt.aspmx.daum.net(20) | ||||||
| A | 121.53.85.23🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao | ||||||
| TXT | _globalsign-domain-verification=APvkzkltqhLP-4ICCw5Ku8SaWDTWAVMoYyB6jfv_DK | ||||||
| TXT | google-site-verification=WgPMZuHX7V5BN_CEpall1uoT3uoz66lpfd7tmNCQ9kI | ||||||
| TXT | v=spf1 ip4:121.78.88.26 ip4:121.78.189.241 ip4:121.78.91.10 ip4:121.78.91.24... | ||||||
| SOA | opencom.comwebmaster@opencom.com 2003-03-21 #92 | ||||||
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=1781303338 | ||||||
NS for
opencom.com |
Subdomains
serverb2.opencom.com |
servera124.opencom.com |
servera14.opencom.com |
sm.opencom.com |
servera217.opencom.com |
servera233.opencom.com |
servera55.opencom.com |
servera148.opencom.com |
servera18.opencom.com |
servera105.opencom.com |
servera3.opencom.com |
serverb39.opencom.com |
servera10.opencom.com |
servera77.opencom.com |
servera97.opencom.com |
serverb251.opencom.com |
servera119.opencom.com |
servera37.opencom.com |
www.opencom.com |
servera30.opencom.com |
serverb139.opencom.com |
servera140.opencom.com |
servera109.opencom.com |
servera54.opencom.com |
serverb33.opencom.com |
serverb132.opencom.com |
serverb26.opencom.com |
servera67.opencom.com |
servera92.opencom.com |
servera245.opencom.com |
serverb101.opencom.com |
servera39.opencom.com |
servera223.opencom.com |
serverb27.opencom.com |
servera72.opencom.com |
servera204.opencom.com |
serverb11.opencom.com |
serverb113.opencom.com |
serverb35.opencom.com |
serverb31.opencom.com |
servera2.opencom.com |
serverb131.opencom.com |
servera33.opencom.com |
servera41.opencom.com |
serverb135.opencom.com |
servera100.opencom.com |
servera74.opencom.com |
servera8.opencom.com |
servera95.opencom.com |
serverb247.opencom.com |
servera155.opencom.com |
serverb40.opencom.com |
servera31.opencom.com |
servera80.opencom.com |
servera43.opencom.com |
servera211.opencom.com |
serverb14.opencom.com |
servera96.opencom.com |
serverb3.opencom.com |
serverb133.opencom.com |
servera51.opencom.com |
servera165.opencom.com |
servera138.opencom.com |
servera101.opencom.com |
serverb241.opencom.com |
servera195.opencom.com |
serverb32.opencom.com |
servera60.opencom.com |
servera84.opencom.com |
servera23.opencom.com |
servera185.opencom.com |
servera38.opencom.com |
mail148.opencom.com |
webmail.opencom.com |
servera102.opencom.com |
servera103.opencom.com |
servera78.opencom.com |
serverb38.opencom.com |
serverb105.opencom.com |
servera118.opencom.com |
servera208.opencom.com |
servera227.opencom.com |
servera144.opencom.com |
servera130.opencom.com |
servera167.opencom.com |
servera12.opencom.com |
serverb210.opencom.com |
servera53.opencom.com |
servera94.opencom.com |
serverb64.opencom.com |
serverb66.opencom.com |
serverb30.opencom.com |
servera246.opencom.com |
servera201.opencom.com |
serverb36.opencom.com |
servera17.opencom.com |
servera160.opencom.com |
servera26.opencom.com |
servera210.opencom.com |
servera87.opencom.com |
servera114.opencom.com |
servera133.opencom.com |
serverb52.opencom.com |
servera206.opencom.com |
servera131.opencom.com |
servera56.opencom.com |
servera199.opencom.com |
servera22.opencom.com |
serverb16.opencom.com |
servera16.opencom.com |
servera228.opencom.com |
servera221.opencom.com |
servera143.opencom.com |
servera122.opencom.com |
servera20.opencom.com |
serverb13.opencom.com |
servera7.opencom.com |
servera79.opencom.com |
serverb114.opencom.com |
serverb50.opencom.com |
servera5.opencom.com |
Same first word
Similar names
DNS History
22 records (17 active, 5 former)
●NSns.opengogo.com2015-08-26 → 2026-06-12 · 2 obs
● 2026-06-12 22:45:02
●NSns.openhaja.com2015-08-26 → 2026-06-12 · 2 obs
● 2026-06-12 22:45:02
●NSns.vt.opencom.com2015-08-26 → 2026-06-12 · 2 obs
● 2026-06-12 22:45:02
●NSns1.backoffice.opencom.com2015-08-26 → 2026-06-12 · 2 obs
● 2026-06-12 22:45:02
●NSns1.mail148.opencom.com2016-06-26 → 2026-06-12 · 3 obs
● 2016-06-26 02:16:08
● 2026-06-12 22:45:02
●NSns1.mail28.opencom.com2016-06-26 → 2026-06-12 · 3 obs
● 2016-06-26 02:16:08
● 2026-06-12 22:45:02
●NSns1.pdns.opencom.com2016-04-26 → 2026-06-12 · 3 obs
● 2016-04-26 07:26:08
● 2026-06-12 22:45:02
●NSns1.sm.opencom.com2015-08-26 → 2026-06-12 · 2 obs
● 2026-06-12 22:45:02
●NSns2.backoffice.opencom.com2015-08-26 → 2026-06-12 · 2 obs
● 2026-06-12 22:45:02
●NSns2.mail148.opencom.com2016-06-26 → 2026-06-12 · 3 obs
● 2016-06-26 02:16:08
● 2026-06-12 22:45:02
●NSns2.mail28.opencom.com2016-06-26 → 2026-06-12 · 3 obs
● 2016-06-26 02:16:08
● 2026-06-12 22:45:02
●NSns2.pdns.opencom.com2016-04-26 → 2026-06-12 · 3 obs
● 2016-04-26 07:26:08
● 2026-06-12 22:45:02
●NSns2.sm.opencom.com2015-08-26 → 2026-06-12 · 2 obs
● 2026-06-12 22:45:02
●NSopencom.com2015-08-26 → 2026-06-12 · 2 obs
● 2026-06-12 22:45:02
●MXalt.aspmx.daum.net2026-02-14 → 2026-06-12 · 6 obs
● 2026-02-14 16:30:42
● 2026-05-15 09:29:40
○ 2026-05-15 10:05:08
● 2026-05-15 13:17:24
● 2026-06-12 22:45:02
●MXaspmx.daum.net2026-02-14 → 2026-06-12 · 6 obs
● 2026-02-14 16:30:42
● 2026-05-15 09:29:40
○ 2026-05-15 10:05:08
● 2026-05-15 13:17:24
● 2026-06-12 22:45:02
○MXdmx-1.naver.com2015-08-26 → 2016-06-05 · 4 obs
● 2016-06-05 05:00:24
○ 2016-06-26 02:16:08
○ 2026-06-12 22:45:02
○MXdmx-2.naver.com2015-08-26 → 2016-06-05 · 4 obs
● 2016-06-05 05:00:24
○ 2016-06-26 02:16:08
○ 2026-06-12 22:45:02
○MXkr1-aspmx1.worksmobile.com2016-06-26 → 2017-03-18 · 5 obs
● 2016-06-26 02:16:08
● 2017-03-18 07:05:16
○ 2018-12-10 15:42:00
○ 2026-06-12 22:45:02
○MXkr1-aspmx2.worksmobile.com2016-06-26 → 2018-12-10 · 5 obs
● 2016-06-26 02:16:08
● 2018-12-10 15:42:00
○ 2026-02-14 16:30:42
○ 2026-06-12 22:45:02
○MXwebmail.opencom.com2018-12-10 → 2018-12-10 · 4 obs
● 2018-12-10 15:42:00
○ 2026-02-14 16:30:42
○ 2026-06-12 22:45:02
●A121.78.91.102015-08-26 → 2026-06-12 · 2 obs
● 2026-06-12 22:45:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net... | - |
| opencom.com | ns.openhaja.com, ns.opengogo.com | 2 records |
✅ Authoritative Response
Server:121.78.91.2
NS records: ns.openhaja.com, ns.opengogo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opencom.com (unsigned zone)
⏱️ Timing
Total: 615ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.78.91.10 |
| NS | 13 | ns.opengogo.com, ns1.mail148.opencom.com... |
| MX | 2 | ASPMX.daum.net (pri: 10), ALT.ASPMX.daum.net (pri: 20) |
| TXT | 3 | _globalsign-domain-verification=APvkzklt, v=spf1 ip4:121.78.88.26 ip4:121.78.189.... |
| SOA | 1 | opencom.com webmaster.opencom.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.openhaja.com, ns.opengogo.com)
Analysis
Hierarchy
Under opencom.com as parent sit serverb2.opencom.com, servera124.opencom.com, servera14.opencom.com, sm.opencom.com, servera217.opencom.com and hundreds of other host names.
Name Server Role
opencom.com has opencom.com as one of its name servers, making it self-hosted for DNS delegation.
ns.opengogo.com, ns.openhaja.com and ns1.backoffice.opencom.com are commonly used as name server together with opencom.com.
IP Addresses
opencom.com directs to one IP number, which is 121.78.91.10.
Among the host names that share IP numbers with opencom.com are www.opencom.com, www.opengogo.com, opencom.kr and two others.
Name Servers
opencom.com has 14 name servers — opencom.com, ns.opengogo.com, ns.openhaja.com and 11 other.
The name servers of opencom.com overlap at least partially with those of other domains — among them edenwon.or.kr, tamiya.co.kr, 601bisang.com and two more.
These name servers commonly appear in delegations together with ns2.backoffice.opencom.com, ns1.mail148.opencom.com, ns2.mail148.opencom.com and 7 other.
Host names with one IP number:
opencom.com resolves to 121.78.91.10.
ns.opengogo.com resolves to 121.78.91.66.
ns.openhaja.com resolves to 121.78.91.2.
ns1.backoffice.opencom.com resolves to 121.78.91.2.
ns2.backoffice.opencom.com resolves to 58.229.223.164.
ns1.mail28.opencom.com resolves to 121.78.91.2.
ns2.mail28.opencom.com resolves to 58.229.223.164.
ns1.pdns.opencom.com resolves to 121.78.91.50.
ns2.pdns.opencom.com resolves to 121.78.91.50.
ns.vt.opencom.com resolves to 192.168.0.201.
ns.openhaja.com, ns1.backoffice.opencom.com and ns1.mail28.opencom.com all direct to 121.78.91.2.
The host names ns2.backoffice.opencom.com and ns2.mail28.opencom.com both resolve to 58.229.223.164 IP addresses.
The host names ns1.pdns.opencom.com and ns2.pdns.opencom.com both resolve to 121.78.91.50 IP addresses.
Mail Servers
The MX records for opencom.com point to two mail servers: aspmx.daum.net and alt.aspmx.daum.net.
opencom.com has the same mail server arrangement as a number of other domains, for example yeopbox.com, casenews.co.kr, keicedu.com and two more.
opencom.com shares at least some of its mail servers with other domains — for example mediasalt.co.kr, aumuu.kr, misslauren.co.kr and two more.
aspmx.daum.net and alt.aspmx.daum.net each point to one IP address — 121.53.85.23.
The host names aspmx.daum.net and alt.aspmx.daum.net both resolve to 121.53.85.23 IP addresses.