codeup.kr - dns.ninja
codeup.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 14.43.220.31🇰🇷 KT-NET14.40.0.0/13 Korea Telecom | ||||||
| NS | ns11.dnszi.com ⭐ | ||||||
| A | 121.78.251.24🇰🇷 KINXIDC-AS-KR121.78.224.0/19 KINX-Net | ||||||
| NS | ns22.dnszi.com | ||||||
| A | 121.78.72.44🇰🇷 KINXIDC-AS-KR121.78.72.0/24 KINX-IDC | ||||||
| PTR | ns22.dnszi.com | ||||||
| NS | ns37.dnszi.com | ||||||
| A | 58.120.225.177🇰🇷 SKB-NET58.120.0.0/13 auto-generated route object for 58.120.0.0/13 | ||||||
| PTR | ns37.dnszi.com | ||||||
| NS | ns53.dnszi.com | ||||||
| A | 27.1.16.85🇰🇷 DAOU-AS-KR27.1.16.0/22 DAOU Tech | ||||||
| PTR | ns53.dnszi.com | ||||||
| NS | ns77.dnszi.com | ||||||
| A | 121.78.251.30🇰🇷 KINXIDC-AS-KR121.78.224.0/19 KINX-Net | ||||||
| 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 | v=spf1 include:_spf.daum.net ~all | ||||||
| SOA | ns11.dnszi.comroot@dnszi.com 2025-12-02 #7 | ||||||
kr
| DNSSEC | ⚠️ Not signed | ||||||
| NS | b.dns.kr ⚠️ Not in zone NS records | ||||||
| NS | c.dns.kr ⚠️ Not in zone NS records | ||||||
| NS | d.dns.kr ⚠️ Not in zone NS records | ||||||
| NS | e.dns.kr ⚠️ Not in zone NS records | ||||||
| NS | f.dns.kr ⚠️ Not in zone NS records | ||||||
| NS | g.dns.kr ⚠️ Not in zone NS records | ||||||
Subdomains
www.codeup.kr |
Same first word
Similar names
DNS History
17 records (8 active, 9 former)
○NSns1.whoisdomain.kr2015-08-16 → 2017-07-06 · 4 obs
● 2017-07-06 07:39:06
○ 2021-11-11 10:28:32
○ 2026-06-06 18:25:38
●NSns11.dnszi.com2021-11-11 → 2026-06-06 · 3 obs
● 2021-11-11 10:28:32
● 2026-06-06 18:25:38
○NSns2.whoisdomain.kr2015-08-16 → 2017-07-06 · 4 obs
● 2017-07-06 07:39:06
○ 2021-11-11 10:28:32
○ 2026-06-06 18:25:38
●NSns22.dnszi.com2021-11-11 → 2026-06-06 · 3 obs
● 2021-11-11 10:28:32
● 2026-06-06 18:25:38
○NSns3.whoisdomain.kr2015-08-16 → 2017-07-06 · 4 obs
● 2017-07-06 07:39:06
○ 2021-11-11 10:28:32
○ 2026-06-06 18:25:38
●NSns37.dnszi.com2021-11-11 → 2026-06-06 · 3 obs
● 2021-11-11 10:28:32
● 2026-06-06 18:25:38
○NSns4.whoisdomain.kr2015-08-16 → 2017-07-06 · 4 obs
● 2017-07-06 07:39:06
○ 2021-11-11 10:28:32
○ 2026-06-06 18:25:38
●NSns53.dnszi.com2021-11-11 → 2026-06-06 · 3 obs
● 2021-11-11 10:28:32
● 2026-06-06 18:25:38
●NSns77.dnszi.com2021-11-11 → 2026-06-06 · 3 obs
● 2021-11-11 10:28:32
● 2026-06-06 18:25:38
●MXalt.aspmx.daum.net2021-11-11 → 2026-06-06 · 3 obs
● 2021-11-11 10:28:32
● 2026-06-06 18:25:38
●MXaspmx.daum.net2021-11-11 → 2026-06-06 · 3 obs
● 2021-11-11 10:28:32
● 2026-06-06 18:25:38
○MXkr1-aspmx1.worksmobile.com2015-12-04 → 2017-07-06 · 4 obs
● 2017-07-06 07:39:06
○ 2021-11-11 10:28:32
○ 2026-06-06 18:25:38
○MXkr1-aspmx2.worksmobile.com2015-12-04 → 2017-07-06 · 4 obs
● 2017-07-06 07:39:06
○ 2021-11-11 10:28:32
○ 2026-06-06 18:25:38
○A121.176.108.662016-11-22 → 2017-07-06 · 5 obs
● 2016-11-22 22:44:44
● 2017-07-06 07:39:06
○ 2021-11-11 10:28:32
○ 2026-06-06 18:25:38
●A14.43.220.312026-02-14 → 2026-06-06 · 3 obs
● 2026-02-14 20:26:16
● 2026-06-06 18:25:38
○A183.104.222.1402015-08-16 → 2016-07-15 · 4 obs
● 2016-07-15 08:13:40
○ 2016-11-22 22:44:44
○ 2026-06-06 18:25:38
○A221.167.103.2002021-11-11 → 2021-11-11 · 4 obs
● 2021-11-11 10:28:32
○ 2026-02-14 20:26:16
○ 2026-06-06 18:25:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | - |
| codeup.kr | ns11.dnszi.com, ns22.dnszi.com, ns77.dnszi.com, ns53.dnszi.com... | - |
✅ Authoritative Response
Server:27.1.16.85
NS records: ns11.dnszi.com, ns22.dnszi.com, ns77.dnszi.com, ns53.dnszi.com, ns37.dnszi.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codeup.kr (unsigned zone)
⏱️ Timing
Total: 1778ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 14.43.220.31 |
| NS | 5 | ns22.dnszi.com, ns77.dnszi.com... |
| MX | 2 | ALT.ASPMX.daum.net (pri: 20), ASPMX.daum.net (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.daum.net ~all |
| SOA | 1 | ns11.dnszi.com root.dnszi.com |
Analysis
Hierarchy
The domain www.codeup.kr falls under the parent codeup.kr.
IP Addresses
codeup.kr directs to one IP number, which is 14.43.220.31.
Other host names share IP numbers with codeup.kr; www.codeup.kr is one such example.
Name Servers
The zone codeup.kr is authoritative on 5 name servers: ns11.dnszi.com, ns22.dnszi.com, ns37.dnszi.com and two additional ones.
At least some of codeup.kr's name servers are shared with other domains, for example 09sns.co.kr, joum.or.kr, daehanship-tech.com and two more.
These name servers tend to be deployed in combination with the name servers ns53.dnszi.com and ns77.dnszi.com.
Host names with one IP number:
ns11.dnszi.com points to the IP address 121.78.251.24.
ns22.dnszi.com points to the IP address 121.78.72.44.
ns37.dnszi.com points to the IP address 58.120.225.177.
ns53.dnszi.com points to the IP address 27.1.16.85.
ns77.dnszi.com points to the IP address 121.78.251.30.
Mail Servers
The MX records for codeup.kr point to two mail servers: aspmx.daum.net and alt.aspmx.daum.net.
codeup.kr has the same mail server arrangement as a number of other domains, for example newsinsidekorea.com, gymtoday.net, koreaai.com and two more.
codeup.kr shares at least some of its mail servers with other domains — for example seochun.kr, kimyeosa.kr, miraedgift.co.kr and two more.
aspmx.daum.net and alt.aspmx.daum.net share one IP address between them — 121.53.85.23.
These two host names — aspmx.daum.net and alt.aspmx.daum.net — each point to 121.53.85.23 IP addresses.