devtools.co.kr - dns.ninja
devtools.co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 1.230.21.51🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13 | ||||||
| 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@devtools.co.kr serial=3 | ||||||
co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| NS | g.dns.kr ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | c.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | d.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | e.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | f.dns.kr ⚠️ Not in parent delegation | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2607130824 | ||||||
Subdomains
www.devtools.co.kr |
Same first word
Similar names
dovsotel.com |
slootdev.com |
lovedots.com |
oldstove.com |
solvedot.com |
lovedost.com |
vdetools.com |
otsolved.com |
tooldevs.com |
dotslove.com |
dotsolve.co.za |
toolsdve.com |
dotsolve.co.uk |
toolsdev.ir |
DNS History
18 records (5 active, 13 former)
○NSelliott.ns.cloudflare.com2026-02-16 → 2026-02-27 · 5 obs
● 2026-02-16 22:56:18
● 2026-02-27 16:29:04
○ 2026-03-07 23:33:30
○ 2026-07-13 08:02:50
●NSns1.hosting.co.kr2026-05-15 → 2026-07-13 · 3 obs
● 2026-05-15 16:39:28
● 2026-07-13 08:02:50
○NSns1.uhost.co.kr2015-05-19 → 2017-05-25 · 4 obs
● 2017-05-25 06:21:44
○ 2026-02-16 22:56:18
○ 2026-07-13 08:02:50
●NSns2.hosting.co.kr2026-05-15 → 2026-07-13 · 3 obs
● 2026-05-15 16:39:28
● 2026-07-13 08:02:50
○NSns2.uhost.co.kr2015-05-19 → 2017-05-25 · 4 obs
● 2017-05-25 06:21:44
○ 2026-02-16 22:56:18
○ 2026-07-13 08:02:50
●NSns3.hosting.co.kr2026-05-15 → 2026-07-13 · 3 obs
● 2026-05-15 16:39:28
● 2026-07-13 08:02:50
●NSns4.hosting.co.kr2026-05-15 → 2026-07-13 · 3 obs
● 2026-05-15 16:39:28
● 2026-07-13 08:02:50
○NSsamara.ns.cloudflare.com2026-02-16 → 2026-02-27 · 5 obs
● 2026-02-16 22:56:18
● 2026-02-27 16:29:04
○ 2026-03-07 23:33:30
○ 2026-07-13 08:02:50
○MXkr1-aspmx1.worksmobile.com2016-04-09 → 2026-02-16 · 5 obs
● 2016-04-09 06:34:06
● 2026-02-16 22:56:18
○ 2026-02-18 01:11:38
○ 2026-07-13 08:02:50
○MXkr1-aspmx2.worksmobile.com2016-04-09 → 2026-02-16 · 5 obs
● 2016-04-09 06:34:06
● 2026-02-16 22:56:18
○ 2026-02-18 01:11:38
○ 2026-07-13 08:02:50
○MXmail.devtools.co.kr2015-05-19 → 2015-12-30 · 4 obs
● 2015-12-30 16:56:30
○ 2016-04-09 06:34:06
○ 2026-07-13 08:02:50
●A1.230.21.512026-05-15 → 2026-07-13 · 3 obs
● 2026-05-15 16:39:28
● 2026-07-13 08:02:50
○A104.21.67.422026-02-16 → 2026-02-27 · 5 obs
● 2026-02-16 22:56:18
● 2026-02-27 16:29:04
○ 2026-03-07 23:33:30
○ 2026-07-13 08:02:50
○A121.156.99.172015-05-19 → 2017-05-25 · 4 obs
● 2017-05-25 06:21:44
○ 2026-02-16 22:56:18
○ 2026-07-13 08:02:50
○A172.67.211.2492026-02-16 → 2026-02-27 · 5 obs
● 2026-02-16 22:56:18
● 2026-02-27 16:29:04
○ 2026-03-07 23:33:30
○ 2026-07-13 08:02:50
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-16 → 2026-02-16 · 4 obs
● 2026-02-16 22:56:18
○ 2026-02-18 01:11:38
○ 2026-07-13 08:02:50
○A2606:4700:3030::ac43:d3f92026-02-18 → 2026-02-27 · 5 obs
● 2026-02-18 01:11:38
● 2026-02-27 16:29:04
○ 2026-03-07 23:33:30
○ 2026-07-13 08:02:50
○A2606:4700:3031::6815:432a2026-02-18 → 2026-02-27 · 5 obs
● 2026-02-18 01:11:38
● 2026-02-27 16:29:04
○ 2026-03-07 23:33:30
○ 2026-07-13 08:02:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | 10 records |
| devtools.co.kr | ns3.hosting.co.kr, ns1.hosting.co.kr, ns2.hosting.co.kr, ns4.hosting.co.kr | 4 records |
✅ Authoritative Response
Server:121.254.170.11
NS records: ns3.hosting.co.kr, ns1.hosting.co.kr, ns2.hosting.co.kr, ns4.hosting.co.kr
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at kr: Error: DNS query timeout: 210.101.60.1 for DNSKEY kr
⏱️ Timing
Total: 3659ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 1.230.21.51 |
| NS | 4 | ns4.hosting.co.kr, ns3.hosting.co.kr... |
| SOA | 1 | ns1.hosting.co.kr admin.devtools.co.kr |
📌 Glue Records Collected
Total: 14
In-bailiwick: 10 (b.dns.kr, c.dns.kr, d.dns.kr...)
Out-of-bailiwick: 4 (ns4.hosting.co.kr, ns3.hosting.co.kr, ns2.hosting.co.kr...)
Analysis
Hierarchy
www.devtools.co.kr is a subdomain of devtools.co.kr.
IP Addresses
devtools.co.kr resolves to one IP address: 1.230.21.51.
Other host names, such as www.devtools.co.kr, share IP numbers with devtools.co.kr.
Name Servers
The authoritative name servers for devtools.co.kr are ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr.
The name servers of devtools.co.kr overlap at least partially with those of other domains — among them bool.or.kr, ccib.net, don-i.com and two more.
These name servers commonly appear in combination with the name servers dns1.maxion.co.kr.
Each of ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr has exactly one IP address — ns1.hosting.co.kr points to 121.254.170.11, ns2.hosting.co.kr points to 43.201.141.93, ns3.hosting.co.kr points to 121.254.170.12 and ns4.hosting.co.kr points to 43.201.141.93. Note that ns2.hosting.co.kr and ns4.hosting.co.kr share the address 43.201.141.93.
ns2.hosting.co.kr and ns4.hosting.co.kr are host names that each point to 43.201.141.93 IP addresses.