uworld.co.kr - robtex.com
uworld.co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:9332🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:375f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.55.95Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.147.50🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bayan.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b48🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bayan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c148🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | bayan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2148🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | bayan.ns.cloudflare.com | ||||||
| A | 108.162.193.72🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bayan.ns.cloudflare.com | ||||||
| A | 172.64.33.72🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bayan.ns.cloudflare.com | ||||||
| A | 173.245.59.72🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bayan.ns.cloudflare.com | ||||||
| NS | jocelyn.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3aae🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jocelyn.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0ae🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jocelyn.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20ae🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jocelyn.ns.cloudflare.com | ||||||
| A | 108.162.192.174🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jocelyn.ns.cloudflare.com | ||||||
| A | 172.64.32.174🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jocelyn.ns.cloudflare.com | ||||||
| A | 173.245.58.174🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jocelyn.ns.cloudflare.com | ||||||
| MX | _dc-mx.aa0681e32913.uworld.co.kr ⭐ | ||||||
| A | 121.176.202.89🇰🇷 KT-NET121.176.0.0/13 | ||||||
| TXT | google-site-verification=nqhRCzOx1HCa1tn8gkfRiQXF_c8Kz2S6QIY3STYVD7Y | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.55.95, 172.67.147.50 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:9332, 2606:4700:3036::6815:375f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=251, name=cloudflare-ech.com | ||||||
| SOA | bayan.ns.cloudflare.comdns@cloudflare.com serial=2408283869 | ||||||
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=2608140716 | ||||||
Same first word
uworld.info |
uworld.eu |
uworld.buzz |
uworld.de |
uworld.co.uk |
uworld.us |
uworld.se |
uworld.com.vn |
uworld.net |
uworld.be |
uworld.co |
uworld.no |
uworld.es |
uworld.ru |
uworld.co.kr |
uworld.com |
uworld.com.tw |
uworld.news |
Similar names
DNS History
7 records (7 active, 0 former)
●NSbayan.ns.cloudflare.com2026-08-10 → 2026-08-14 · 2 obs
● 2026-08-14 05:26:32
●NSjocelyn.ns.cloudflare.com2026-08-10 → 2026-08-14 · 2 obs
● 2026-08-14 05:26:32
●MX_dc-mx.aa0681e32913.uworld.co.kr2026-08-10 → 2026-08-14 · 2 obs
● 2026-08-14 05:26:32
●A104.21.55.952026-08-10 → 2026-08-14 · 2 obs
● 2026-08-14 05:26:32
●A172.67.147.502026-08-10 → 2026-08-14 · 2 obs
● 2026-08-14 05:26:32
●A2606:4700:3031::ac43:93322026-08-10 → 2026-08-14 · 2 obs
● 2026-08-14 05:26:32
●A2606:4700:3036::6815:375f2026-08-10 → 2026-08-14 · 2 obs
● 2026-08-14 05:26:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, g.dns.kr, f.dns.kr, e.dns.kr... | - |
| uworld.co.kr | bayan.ns.cloudflare.com, jocelyn.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.72
NS records: bayan.ns.cloudflare.com, jocelyn.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for uworld.co.kr (unsigned zone)
⏱️ Timing
Total: 798ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.55.95, 172.67.147.50 |
| AAAA | 2 | 2606:4700:3031::ac43:9332, 2606:4700:3036::6815:375f |
| NS | 2 | bayan.ns.cloudflare.com, jocelyn.ns.cloudflare.com |
| MX | 1 | _dc-mx.aa0681e32913.uworld.co.kr (pri: 1 |
| TXT | 1 | google-site-verification=nqhRCzOx1HCa1tn |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | bayan.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
uworld.co.kr resolves to four IP addresses: 104.21.55.95, 172.67.147.50, 2606:4700:3031::ac43:9332 and 2606:4700:3036::6815:375f.
231brionis530.casino, monroechina.com, forumkomputerowe.eu and two other host names share IP numbers with uworld.co.kr.
Name Servers
uworld.co.kr is delegated to two name servers: bayan.ns.cloudflare.com and jocelyn.ns.cloudflare.com.
uworld.co.kr uses the same name servers as several other domains — among them mariettaclages.de, magiadomar.com.br, dr-pleuse.de and two more.
uworld.co.kr shares at least some of its name servers with other domains, including dashboardhkl.com, hotkakoos.today, sumus.com.br and two others.
These name servers are frequently paired with the name servers donna.ns.cloudflare.com and lucy.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
bayan.ns.cloudflare.com resolves to 108.162.193.72, 172.64.33.72, 173.245.59.72 and 3 other IP addresses.
jocelyn.ns.cloudflare.com resolves to 108.162.192.174, 172.64.32.174, 173.245.58.174 and 3 other IP addresses.
Mail Servers
Mail for uworld.co.kr is handled by a single mail server, _dc-mx.aa0681e32913.uworld.co.kr.
_dc-mx.aa0681e32913.uworld.co.kr resolves to a single IP number: 121.176.202.89.