1class.com - dns.ninja
1class.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.254.178.253🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns2.domainca.com ⭐ | ||||||
| A | 20.200.205.248🇰🇷 Microsoft20.192.0.0/10 | ||||||
| NS | ns.domainca.com | ||||||
| A | 43.201.170.100🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-170-100.ap-northeast-2.compute.amazonaws.com | ||||||
| SOA | ns.domainca.comroot@domainca.com serial=1530440223 | ||||||
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=1783848537 | ||||||
Same first word
1class.at |
1class.se |
1class.info |
1class.ro |
1class.app |
1class.su |
1class.dk |
1class.net |
1class.it |
1class.co.uk |
1class.ru |
1class.kg |
1class.com |
1class.de |
1class.co.il |
Similar names
class1.dk |
class1.co.uk |
class1.jp |
class1.net |
class1.fi |
class1.ru |
class1.cn |
class1.de |
class1.cz |
class1.k12.ar.us |
class1.com.br |
class1.com |
class1.co.kr |
class1.media |
DNS History
6 records (3 active, 3 former)
●NSns.domainca.com2015-06-14 → 2026-07-12 · 2 obs
● 2026-07-12 09:57:40
●NSns2.domainca.com2015-06-14 → 2026-07-12 · 2 obs
● 2026-07-12 09:57:40
○A121.254.178.2502015-09-04 → 2017-05-16 · 5 obs
● 2015-09-04 18:58:22
● 2017-05-16 18:28:06
○ 2026-05-06 03:13:50
○ 2026-07-12 09:57:40
●A121.254.178.2532026-05-06 → 2026-07-12 · 3 obs
● 2026-05-06 03:13:50
● 2026-07-12 09:57:40
○A211.106.65.1112015-06-14 → 2015-06-14 · 3 obs
○ 2015-09-04 18:58:22
○ 2026-07-12 09:57:40
○A211.106.65.1122015-06-14 → 2015-06-14 · 3 obs
○ 2015-09-04 18:58:22
○ 2026-07-12 09:57:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net... | - |
| 1class.com | ns.domainca.com, ns2.domainca.com | 2 records |
✅ Authoritative Response
Server:121.78.117.39
NS records: ns.domainca.com, ns2.domainca.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 1class.com (unsigned zone)
⏱️ Timing
Total: 3417ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.254.178.253 |
| NS | 2 | ns.domainca.com, ns2.domainca.com |
| SOA | 1 | ns.domainca.com root.domainca.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.domainca.com, ns2.domainca.com)
Analysis
IP Addresses
1class.com has exactly one IP address — 121.254.178.253.
all-in-one.co.kr, www.vikingstore.com, p-systems.com plus two other host names have IP numbers in common with 1class.com.
Name Servers
1class.com is delegated to two name servers: ns2.domainca.com and ns.domainca.com.
The name server configuration of 1class.com is shared with other domains, for instance botong.co.kr, metabug.com, s-games.com and two others.
ns2.domainca.com directs to 20.200.205.248 and ns.domainca.com directs to 43.201.170.100; each host name points to exactly one IP number.