ustsemi.com - robtex.com
ustsemi.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 218.232.108.237🇰🇷 SKB-NET218.232.0.0/15 SK Broadband | ||||||
| NS | dns2.whois.co.kr ⭐ | ||||||
| A | 1.227.193.58🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13 | ||||||
| NS | dns4.whois.co.kr | ||||||
| A | 110.45.166.142🇰🇷 DACOM-NET110.45.128.0/17 contact center@kidc.net,noc@bora.net if necessary, | ||||||
| NS | dns6.whois.co.kr | ||||||
| A | 218.50.7.155🇰🇷 SKB-NET218.50.0.0/15 SK Broadband | ||||||
| MX | alf1.aspmx.whoisworks.com ⭐ | ||||||
| A | 193.123.252.198🇰🇷 ORACLE-OCI-31898193.123.224.0/19 KINX-Oracle | ||||||
| PTR | filter00.whoisworks.com | ||||||
| MX | alf2.aspmx.whoisworks.com ⭐ | ||||||
| A | 152.70.238.229🇰🇷 ORACLE-OCI-31898152.70.232.0/21 | ||||||
| PTR | filter01.whoisworks.com | ||||||
| MX | aspmx.whoisworks.com ⭐ | ||||||
| A | 193.123.252.198🇰🇷 ORACLE-OCI-31898193.123.224.0/19 KINX-Oracle | ||||||
| PTR | filter00.whoisworks.com | ||||||
| TXT | v=spf1 include:spf1.whoisworks.com ~all | ||||||
| SOA | dns2.whois.co.krhostmaster@ustsemi.com 2021-11-11 #1 | ||||||
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=1774584207 | ||||||
Same first word
ustsemi.com |
Similar names
DNS History
7 records (7 active, 0 former)
●NSdns2.whois.co.kr2026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 04:06:40
●NSdns4.whois.co.kr2026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 04:06:40
●NSdns6.whois.co.kr2026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 04:06:40
●MXalf1.aspmx.whoisworks.com2026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 04:06:40
●MXalf2.aspmx.whoisworks.com2026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 04:06:40
●MXaspmx.whoisworks.com2026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 04:06:40
●A218.232.108.2372026-02-27 → 2026-03-27 · 2 obs
● 2026-03-27 04:06:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ustsemi.com | dns2.whois.co.kr, dns4.whois.co.kr, dns6.whois.co.kr | - |
✅ Authoritative Response
Server:1.227.193.58
NS records: dns2.whois.co.kr, dns4.whois.co.kr, dns6.whois.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ustsemi.com (unsigned zone)
⏱️ Timing
Total: 1612ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 218.232.108.237 |
| NS | 3 | dns6.whois.co.kr, dns2.whois.co.kr... |
| MX | 3 | alf1.aspmx.whoisworks.com (pri: 10), alf2.aspmx.whoisworks.com (pri: 10)... |
| TXT | 1 | v=spf1 include:spf1.whoisworks.com ~all |
| SOA | 1 | dns2.whois.co.kr hostmaster.ustsemi.com |
Analysis
IP Addresses
ustsemi.com resolves to one IP number: 218.232.108.237.
Other host names, for instance nawooinc.com, mp-s.co.kr, humanaid.co.kr, kitd.or.kr and jkdcs.com share IP numbers with ustsemi.com.
Name Servers
ustsemi.com is delegated to three name servers: dns2.whois.co.kr, dns4.whois.co.kr and dns6.whois.co.kr.
ustsemi.com at least partially shares name servers with other domains, including cgbap.co.kr, themust.net, horsenet.co.kr, lectron.co.kr and powerjd.com.
These name servers are often used with ns21.whois.co.kr and ns21.whoismall.com.
Host names with a single IP:
dns2.whois.co.kr points to 1.227.193.58; dns4.whois.co.kr points to 110.45.166.142; dns6.whois.co.kr points to 218.50.7.155.
Mail Servers
Three mail servers handle ustsemi.com: aspmx.whoisworks.com, alf1.aspmx.whoisworks.com and alf2.aspmx.whoisworks.com.
ustsemi.com shares at least some mail servers with other domains, for example rkti.in, t-max.kr, cnisystech.com, elecomts.com and 01ele.com.
Host names with one IP number:
aspmx.whoisworks.com points to: 193.123.252.198
alf1.aspmx.whoisworks.com points to: 193.123.252.198
alf2.aspmx.whoisworks.com points to: 152.70.238.229
Host names pointing to 193.123.252.198: aspmx.whoisworks.com and alf1.aspmx.whoisworks.com