oltec.com - dns.ninja
oltec.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 75.2.0.44🇺🇸 Amazon75.2.0.0/20 | ||||||
| PTR | ab791f743a3c6d593.awsglobalaccelerator.com | ||||||
| A | 99.83.248.72🇺🇸 Amazon99.83.240.0/20 | ||||||
| NS | ns1.hosting.co.kr ⭐ | ||||||
| A | 121.254.170.11🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns2.hosting.co.kr | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com | ||||||
| NS | ns3.hosting.co.kr | ||||||
| A | 121.254.170.12🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns4.hosting.co.kr | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com | ||||||
| SOA | ns1.hosting.co.kradmin@oltec.com serial=4 | ||||||
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=1782780916 | ||||||
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
●NSns1.hosting.co.kr2026-03-27 → 2026-06-30 · 3 obs
● 2026-03-27 15:54:46
● 2026-06-30 01:22:00
○NSns1.sedoparking.com2015-07-07 → 2019-12-31 · 4 obs
● 2019-12-31 22:55:38
○ 2026-03-27 15:54:46
○ 2026-06-30 01:22:00
●NSns2.hosting.co.kr2026-03-27 → 2026-06-30 · 3 obs
● 2026-03-27 15:54:46
● 2026-06-30 01:22:00
○NSns2.sedoparking.com2015-07-07 → 2019-12-31 · 4 obs
● 2019-12-31 22:55:38
○ 2026-03-27 15:54:46
○ 2026-06-30 01:22:00
●NSns3.hosting.co.kr2026-03-27 → 2026-06-30 · 3 obs
● 2026-03-27 15:54:46
● 2026-06-30 01:22:00
●NSns4.hosting.co.kr2026-03-27 → 2026-06-30 · 3 obs
● 2026-03-27 15:54:46
● 2026-06-30 01:22:00
○MXlocalhost2017-02-04 → 2019-12-31 · 5 obs
● 2017-02-04 17:11:50
● 2019-12-31 22:55:38
○ 2026-03-27 15:54:46
○ 2026-06-30 01:22:00
○MXmail.nickstel.com2015-07-07 → 2016-04-20 · 4 obs
● 2016-04-20 23:14:44
○ 2017-02-04 17:11:50
○ 2026-06-30 01:22:00
○A72.52.4.912015-07-07 → 2017-02-04 · 4 obs
● 2017-02-04 17:11:50
○ 2019-12-31 22:55:38
○ 2026-06-30 01:22:00
●A75.2.0.442026-03-27 → 2026-06-30 · 9 obs
● 2026-03-27 15:54:46
● 2026-05-02 10:52:26
○ 2026-05-10 18:24:10
● 2026-05-17 05:32:40
● 2026-05-18 02:36:16
○ 2026-05-18 21:29:56
● 2026-06-29 08:48:32
● 2026-06-30 01:22:00
○A91.195.240.1262019-12-31 → 2019-12-31 · 4 obs
● 2019-12-31 22:55:38
○ 2026-03-27 15:54:46
○ 2026-06-30 01:22:00
●A99.83.248.722026-03-27 → 2026-06-30 · 9 obs
● 2026-03-27 15:54:46
● 2026-05-02 10:52:26
○ 2026-05-10 18:24:10
● 2026-05-17 05:32:40
● 2026-05-18 02:36:16
○ 2026-05-18 21:29:56
● 2026-06-29 08:48:32
● 2026-06-30 01:22:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| oltec.com | ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr | - |
✅ Authoritative Response
Server:43.201.141.93
NS records: ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for oltec.com (unsigned zone)
⏱️ Timing
Total: 1346ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 75.2.0.44, 99.83.248.72 |
| NS | 4 | ns2.hosting.co.kr, ns3.hosting.co.kr... |
| SOA | 1 | ns1.hosting.co.kr admin.oltec.com |
Analysis
IP Addresses
oltec.com resolves to the IP addresses 75.2.0.44 and 99.83.248.72
Two other host names, along with athens.kr, andreola.com and hyunjinryu.com, also share IP numbers with oltec.com.
Name Servers
The NS records for oltec.com point to four name servers: ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr.
oltec.com has at least partial name server overlap with other domains, such as bilpol.com, caracoat.com, ctu.co.kr and two others.
It is common to find these name servers paired with the name servers dns1.maxion.co.kr.
The hosts ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr each carry one IP address: 121.254.170.11 for ns1.hosting.co.kr, 43.201.141.93 for ns2.hosting.co.kr, 121.254.170.12 for ns3.hosting.co.kr and 43.201.141.93 for ns4.hosting.co.kr. The address 43.201.141.93 is shared by ns2.hosting.co.kr and ns4.hosting.co.kr.
ns2.hosting.co.kr along with ns4.hosting.co.kr each resolve to 43.201.141.93 IP addresses.