addcom21.com - dns.ninja
addcom21.com
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=1783101486 | ||||||
NS for
addcom21.com |
Subdomains
mail.addcom21.com |
Same first word
addcom21.com |
DNS History
13 records (8 active, 5 former)
●NSaddcom21.com2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 15:50:02
● 2026-07-03 17:59:28
○NSns1.bizvalley.net2016-12-16 → 2017-10-08 · 4 obs
● 2017-10-08 12:28:28
○ 2026-02-18 15:50:02
○ 2026-07-03 17:59:28
●NSns1.cafe24.co.kr2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 15:50:02
● 2026-07-03 17:59:28
●NSns1.cafe24.com2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 15:50:02
● 2026-07-03 17:59:28
●NSns2.cafe24.co.kr2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 15:50:02
● 2026-07-03 17:59:28
●NSns2.cafe24.com2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 15:50:02
● 2026-07-03 17:59:28
○MXaspmx1.naver.com2016-12-16 → 2017-10-08 · 4 obs
● 2017-10-08 12:28:28
○ 2026-02-18 15:50:02
○ 2026-07-03 17:59:28
○MXaspmx2.naver.com2016-12-16 → 2017-10-08 · 4 obs
● 2017-10-08 12:28:28
○ 2026-02-18 15:50:02
○ 2026-07-03 17:59:28
●MXkr1-aspmx1.worksmobile.com2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 15:50:02
● 2026-07-03 17:59:28
●MXkr1-aspmx2.worksmobile.com2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 15:50:02
● 2026-07-03 17:59:28
●A116.126.143.682026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 15:50:02
● 2026-07-03 17:59:28
○A175.115.53.2072016-12-16 → 2016-12-16 · 3 obs
○ 2017-10-08 12:28:28
○ 2026-07-03 17:59:28
○A175.207.13.2502017-10-08 → 2017-10-08 · 4 obs
● 2017-10-08 12:28:28
○ 2026-02-18 15:50:02
○ 2026-07-03 17:59:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net... | - |
| addcom21.com | ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr | 9 records |
✅ Authoritative Response
Server:175.125.93.137
NS records: ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for addcom21.com (unsigned zone)
⏱️ Timing
Total: 3253ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 116.126.143.68 |
| NS | 4 | ns1.cafe24.co.kr, ns1.cafe24.com... |
| MX | 2 | kr1-aspmx1.worksmobile.com (pri: 10), kr1-aspmx2.worksmobile.com (pri: 20) |
| TXT | 1 | v=spf1 include:spf.worksmobile.com ~all |
| SOA | 1 | addcom21.com postmaster.addcom21.com |
📌 Glue Records Collected
Total: 9
Out-of-bailiwick: 9 (ns2.cafe24.com, ns2.cafe24.com, ns2.cafe24.com...)
Analysis
Hierarchy
addcom21.com serves as the parent of mail.addcom21.com.
Name Server Role
addcom21.com acts as a name server for addcom21.com, meaning it is self-referentially delegated.
addcom21.com is commonly paired with ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr to act as name servers.
IP Addresses
addcom21.com resolves to one IP address: 116.126.143.68.
hjcommunity.com, xn--s79a30slvbs5ugxl.com, hansungkorea.net and two other host names share IP numbers with addcom21.com.
Name Servers
Five name servers are authoritative for addcom21.com, which are addcom21.com, ns1.cafe24.com, ns2.cafe24.com and two others.
addcom21.com has at least partial name server overlap with other domains, such as morl.kr, bsmt.kr, 3packmall.com and two others.
ns2.cafe24.co.kr, ns.cafe24.com and ns0.cafe24.com — plus 4 other name servers — are commonly paired with these name servers.
Hostnames pointing to five IP numbers:
ns1.cafe24.com resolves to four IP addresses: 112.175.246.230, 112.175.246.231, 116.126.143.242 and two others.
Hosts that point to four IP numbers:
ns2.cafe24.com has four IP addresses: 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.
ns1.cafe24.co.kr has four IP addresses: 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.
ns2.cafe24.co.kr has four IP addresses: 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.
Hosts with just one IP address:
addcom21.com resolves to 116.126.143.68.
Mail Servers
Mail for addcom21.com is handled by two mail servers — kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.
addcom21.com uses an identical mail server configuration to several other domains — among them plie.co.kr, asteriaps.com, kjir.or.kr and two more.
addcom21.com has at least partial mail server overlap with other domains such as egtouch.com, busanav.co.kr, sarlang.com and two more.
kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com each point to one IP address — 125.209.209.251.
The host names kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com both resolve to 125.209.209.251 IP addresses.