usf.kr - robtex.com

usf.kr

DNSSEC⚠️ Not signed
A218.232.108.221🇰🇷 SKB-NET218.232.0.0/15 SK Broadband
NSdns2.whois.co.kr ⭐
A49.50.133.214🇰🇷 NBPAP-AS-AP49.50.128.0/20 NAVER business platform cloud service
NSdns4.whois.co.kr
A101.79.23.94🇰🇷 NBPAP-AS-AP101.79.16.0/20 NAVER business platform cloud service
NSdns6.whois.co.kr
A101.79.23.94🇰🇷 NBPAP-AS-AP101.79.16.0/20 NAVER business platform cloud service
SOAdns2.whois.co.krhostmaster@usf.kr 2015-06-25 #1

kr

DNSSEC🔒 Signed (DS record present)
NSg.dns.kr ⭐
NSb.dns.kr
NSc.dns.kr
NSd.dns.kr
NSe.dns.kr
NSf.dns.kr
SOAg.dns.krdomain-manager@nic.or.kr serial=2608130777

Same first word

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DNS History

4 records (4 active, 0 former)

NSdns2.whois.co.krdns4.whois.co.krdns6.whois.co.krA218.232.108.221
●NSdns2.whois.co.kr2026-02-16 → 2026-08-13 · 2 obs
● 2026-02-16 05:15:14
● 2026-08-13 06:52:02
●NSdns4.whois.co.kr2026-02-16 → 2026-08-13 · 2 obs
● 2026-02-16 05:15:14
● 2026-08-13 06:52:02
●NSdns6.whois.co.kr2026-02-16 → 2026-08-13 · 2 obs
● 2026-02-16 05:15:14
● 2026-08-13 06:52:02
●A218.232.108.2212026-02-16 → 2026-08-13 · 2 obs
● 2026-02-16 05:15:14
● 2026-08-13 06:52:02

🔍 DNS Trace

Analysis

IP Addresses

usf.kr points to a single IP number: 218.232.108.221.

Name Servers

Three name servers are authoritative for usf.kr: dns2.whois.co.kr, dns4.whois.co.kr and dns6.whois.co.kr.

The name servers of usf.kr overlap at least partially with those of other domains — among them shh8347.co.kr, hansungeng.com, ecotech.co.kr and two more.

dns2.whois.co.kr resolves to 49.50.133.214. Notably, dns4.whois.co.kr and dns6.whois.co.kr share the same IP address, 101.79.23.94.

These two host names — dns4.whois.co.kr and dns6.whois.co.kr — each point to 101.79.23.94 IP addresses.