ptrgroup.com - robtex.com
ptrgroup.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.78.251.11🇰🇷 KINXIDC-AS-KR121.78.224.0/19 KINX-Net | ||||||
| NS | ns78.dnszi.com ⭐ | ||||||
| A | 121.78.251.28🇰🇷 KINXIDC-AS-KR121.78.224.0/19 KINX-Net | ||||||
| NS | ns16.dnszi.com | ||||||
| A | 58.120.225.175🇰🇷 SKB-NET58.120.0.0/13 auto-generated route object for 58.120.0.0/13 | ||||||
| PTR | ns16.dnszi.com | ||||||
| NS | ns3.doregi.com ⚠️ Not in zone NS records | ||||||
| A | 1.214.210.186🇰🇷 DACOM-NET1.208.0.0/12 contact infonoc@lguplus.co.kr (AS3786)) if necessary | ||||||
| NS | ns55.dnszi.com ⚠️ Not in parent delegation | ||||||
| A | 121.78.72.46🇰🇷 KINXIDC-AS-KR121.78.72.0/24 KINX-IDC | ||||||
| PTR | ns55.dnszi.com | ||||||
| NS | ns64.dnszi.com ⚠️ Not in parent delegation | ||||||
| A | 27.1.16.79🇰🇷 DAOU-AS-KR27.1.16.0/22 DAOU Tech | ||||||
| PTR | ns64.dnszi.com | ||||||
| NS | ns7.dnszi.com ⚠️ Not in parent delegation | ||||||
| A | 121.78.251.22🇰🇷 KINXIDC-AS-KR121.78.224.0/19 KINX-Net | ||||||
| SOA | ns7.dnszi.comroot@dnszi.com 2020-06-11 #5 | ||||||
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=1792796651 | ||||||
Same first word
Similar names
Previous names
Next names
ptrgroup-mfg.com |
ptrgroupco.com |
ptrgroupinc.com |
ptrgroupsas.com |
ptrgrp.com |
ptrgstfsn.com |
ptrgt.com |
ptrgv.com |
ptrh.com |
ptrh4dw.com |
ptrhao.com |
ptrhb.com |
ptrhein.com |
ptrheincoal.com |
ptrhelp.com |
ptrhi.com |
DNS History
15 records (7 active, 8 former)
○NSns1.doregi.com2015-07-20 → 2017-04-04 · 5 obs
● 2015-07-20 08:24:30
● 2017-04-04 10:36:26
○ 2026-08-19 20:57:50
○ 2026-10-23 23:10:42
●NSns16.dnszi.com2026-08-19 → 2026-10-23 · 3 obs
● 2026-08-19 20:57:50
● 2026-10-23 23:10:42
○NSns2.doregi.com2015-07-20 → 2017-04-04 · 5 obs
● 2015-07-20 08:24:30
● 2017-04-04 10:36:26
○ 2026-08-19 20:57:50
○ 2026-10-23 23:10:42
●NSns3.doregi.com2015-07-20 → 2026-10-23 · 3 obs
● 2015-07-20 08:24:30
● 2026-10-23 23:10:42
●NSns55.dnszi.com2026-08-24 → 2026-10-23 · 5 obs
● 2026-08-24 12:54:22
○ 2026-08-25 08:57:24
● 2026-10-08 03:15:44
● 2026-10-23 23:10:42
●NSns64.dnszi.com2026-08-24 → 2026-10-23 · 5 obs
● 2026-08-24 12:54:22
○ 2026-08-25 08:57:24
● 2026-10-08 03:15:44
● 2026-10-23 23:10:42
●NSns7.dnszi.com2026-08-19 → 2026-10-23 · 3 obs
● 2026-08-19 20:57:50
● 2026-10-23 23:10:42
●NSns78.dnszi.com2026-08-24 → 2026-10-23 · 5 obs
● 2026-08-24 12:54:22
○ 2026-08-25 08:57:24
● 2026-10-08 03:15:44
● 2026-10-23 23:10:42
○NSp1.asadal.net2007-11-15 → 2007-11-15 · 3 obs
○ 2015-07-20 08:24:30
○ 2026-10-23 23:10:42
○NSp2.asadal.net2007-11-15 → 2007-11-15 · 3 obs
○ 2015-07-20 08:24:30
○ 2026-10-23 23:10:42
○MXmail.ptrgroup.com2007-11-15 → 2007-11-15 · 3 obs
○ 2015-07-20 08:24:30
○ 2026-10-23 23:10:42
○MXmymail.doregi.com2015-07-20 → 2017-04-04 · 5 obs
● 2015-07-20 08:24:30
● 2017-04-04 10:36:26
○ 2026-08-19 20:57:50
○ 2026-10-23 23:10:42
●A121.78.251.112026-08-19 → 2026-10-23 · 7 obs
● 2026-08-19 20:57:50
○ 2026-08-24 12:54:22
● 2026-10-07 01:33:04
○ 2026-10-12 02:19:34
● 2026-10-23 23:10:38
● 2026-10-23 23:10:42
○A211.115.110.232007-11-15 → 2007-11-15 · 3 obs
○ 2015-07-20 08:24:30
○ 2026-10-23 23:10:42
○A58.76.184.42015-07-20 → 2017-04-04 · 5 obs
● 2015-07-20 08:24:30
● 2017-04-04 10:36:26
○ 2026-08-19 20:57:50
○ 2026-10-23 23:10:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| ptrgroup.com | ns3.doregi.com, ns7.dnszi.com, ns16.dnszi.com | 3 records |
✅ Authoritative Response
Server:58.120.225.175
NS records: ns3.doregi.com, ns7.dnszi.com, ns16.dnszi.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ptrgroup.com (unsigned zone)
⏱️ Timing
Total: 808ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| SOA | 1 | ns7.dnszi.com root.dnszi.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.doregi.com, ns7.dnszi.com, ns16.dnszi.com)
Analysis
IP Addresses
ptrgroup.com resolves to just one IP address, 121.78.251.11.
Two other host names, along with wonki.kim, woobi.org and marketingmn.co.kr, also share IP numbers with ptrgroup.com.
Name Servers
DNS for ptrgroup.com is handled by 6 name servers: ns16.dnszi.com, ns55.dnszi.com, ns64.dnszi.com and 3 others.
ptrgroup.com partially shares its NS delegation with several other domains, including jieun.net, busantex.com, invitation-code-for-pi.com and two others.
In DNS configurations, these name servers often share authority with ns7.dnszi.com, ns78.dnszi.com, ns3.doregi.com and 4 other name servers.
Host names that point to one IP address:
ns16.dnszi.com directs to 58.120.225.175.
ns55.dnszi.com directs to 121.78.72.46.
ns64.dnszi.com directs to 27.1.16.79.
ns78.dnszi.com directs to 121.78.251.28.
ns7.dnszi.com directs to 121.78.251.22.
ns3.doregi.com directs to 1.214.210.186.