mx.highest21.com - robtex.com
mx.highest21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.236.185.235🇰🇷 HCLC-AS-KR211.236.184.0/22 Korea Internet & Security Agency (KISA) Seocho-ro 398, Seocho-gu, Seoul, Korea | ||||||
| PTR | mx.kci.co.kr | ||||||
highest21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 110.10.81.145🇰🇷 SKB-NET110.10.0.0/16 auto-generated route object for 110.10.0.0/16 | ||||||
| NS | ns1.timeholdings.co.kr ⭐ | ||||||
| NS | ns2.timeholdings.co.kr | ||||||
| MX | mx.highest21.com ⭐ | ||||||
| TXT | _ajqvdy6myym5be536jlkw9nfmqygmh2 | ||||||
| SOA | ns1.timeholdings.co.krymlee@timeholdings.co.kr serial=2509181400 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A211.236.185.2352015-08-10 → 2026-03-24 · 2 obs
● 2015-08-10 16:10:20
● 2026-03-24 07:29:02
● 2026-03-24 07:29:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| highest21.com | ns1.timeholdings.co.kr, ns2.timeholdings.co.kr | - |
✅ Authoritative Response
Server:116.122.39.41
NS records: ns1.timeholdings.co.kr, ns2.timeholdings.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for highest21.com (unsigned zone)
⏱️ Timing
Total: 1047ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.236.185.235 |
Analysis
Mail Server Role
mx.highest21.com serves as the mail server for highest21.com.
IP Addresses
mx.highest21.com resolves to a single IP: 211.236.185.235.
Other host names including mx.ffcmachine.com, webmail.koreatronics.com and mx.koreatronics.com share IP numbers with mx.highest21.com.