visualmail.co.kr - robtex.com
visualmail.co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 221.143.42.147🇰🇷 SKB-NET221.140.0.0/14 SK Broadband | ||||||
| PTR | visualmail.co.kr | ||||||
| NS | dns3.viaweb.co.kr ⭐ | ||||||
| A | 222.233.52.121🇰🇷 SKB-NET222.232.0.0/13 SK Broadband | ||||||
| PTR | dns3.viaweb.co.kr | ||||||
| NS | dns4.viaweb.co.kr | ||||||
| A | 121.88.249.15🇰🇷 CNM-AS-KR121.88.249.0/24 Proxy-Registered Route Object by LG Dacom(AS3786) | ||||||
| MX | visualmail.co.kr ⭐ | ||||||
| A | 221.143.42.147🇰🇷 SKB-NET221.140.0.0/14 SK Broadband | ||||||
| PTR | visualmail.co.kr | ||||||
| TXT | v=spf1 ip4:221.143.42.147 -all | ||||||
| SOA | dns3.viaweb.co.krroot@dns3.viaweb.co.kr serial=1 | ||||||
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=2603280613 | ||||||
PTR for
MX for
visualmail.co.kr |
Same first word
visualmail.com |
visualmail.co.kr |
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns3.viaweb.co.kr2015-08-11 → 2026-03-28 · 2 obs
● 2026-03-28 06:04:50
●NSdns4.viaweb.co.kr2015-08-11 → 2026-03-28 · 2 obs
● 2026-03-28 06:04:50
●MXvisualmail.co.kr2015-08-11 → 2026-03-28 · 2 obs
● 2026-03-28 06:04:50
●A221.143.42.1472015-08-11 → 2026-03-28 · 2 obs
● 2026-03-28 06:04:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | c.dns.kr, g.dns.kr, b.dns.kr, f.dns.kr... | - |
| visualmail.co.kr | dns4.viaweb.co.kr, dns3.viaweb.co.kr | 2 records |
✅ Authoritative Response
Server:121.88.249.15
NS records: dns4.viaweb.co.kr, dns3.viaweb.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for visualmail.co.kr (unsigned zone)
⏱️ Timing
Total: 1975ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 221.143.42.147 |
| NS | 2 | dns3.viaweb.co.kr, dns4.viaweb.co.kr |
| MX | 1 | visualmail.co.kr (pri: 10) |
| TXT | 1 | v=spf1 ip4:221.143.42.147 -all |
| SOA | 1 | dns3.viaweb.co.kr root.dns3.viaweb.co.kr |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns4.viaweb.co.kr, dns3.viaweb.co.kr)
Analysis
Mail Server Role
visualmail.co.kr serves as the mail server for visualmail.co.kr.
IP Addresses
visualmail.co.kr points to a single IP number: 221.143.42.147.
Other host names, for instance coolgirl.info, share IP numbers with visualmail.co.kr.
Name Servers
visualmail.co.kr is delegated to two name servers: dns3.viaweb.co.kr and dns4.viaweb.co.kr.
visualmail.co.kr uses the same name server setup as other domains, for instance sedlwon.co.kr, pnbsys.com, iloveyoon.com, jeilcoreglass.com and esurvey.co.kr.
visualmail.co.kr shares name servers with other domains at least partially, for instance techinside.co.kr, viahost.co.kr, www.kangsanenc.com, vitaon.co.kr and cijschool.com.
these name servers are commonly used together with sns1.viaweb.co.kr and sns2.viaweb.co.kr.
Host names with one IP number:
dns3.viaweb.co.kr points to: 222.233.52.121.
dns4.viaweb.co.kr points to: 121.88.249.15.
Mail Servers
A single mail server handles visualmail.co.kr and visualmail.co.kr.
Host name visualmail.co.kr resolves to IP 221.143.42.147.