ucas.co.kr - robtex.com
ucas.co.kr
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 112.175.50.223๐ฐ๐ท KT-NET112.168.0.0/13 | ||||||
| NS | ucas.co.kr โญ | ||||||
| A | 112.175.50.223๐ฐ๐ท KT-NET112.168.0.0/13 | ||||||
| NS | ns.sitecook.kr โ ๏ธ Not in zone NS records | ||||||
| A | 218.145.65.143๐ฐ๐ท KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns.ucas.co.kr โ ๏ธ Not in parent delegation | ||||||
| A | 218.145.65.143๐ฐ๐ท KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns1.sitecook.kr โ ๏ธ Not in zone NS records | ||||||
| A | 116.126.143.226๐ฐ๐ท SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns1.ucas.co.kr โ ๏ธ Not in parent delegation | ||||||
| A | 116.126.143.226๐ฐ๐ท SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns2.sitecook.kr โ ๏ธ Not in zone NS records | ||||||
| A | 218.145.65.144๐ฐ๐ท KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns2.ucas.co.kr โ ๏ธ Not in parent delegation | ||||||
| A | 218.145.65.144๐ฐ๐ท KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns3.sitecook.kr โ ๏ธ Not in zone NS records | ||||||
| A | 116.126.143.225๐ฐ๐ท SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns3.ucas.co.kr โ ๏ธ Not in parent delegation | ||||||
| A | 116.126.143.225๐ฐ๐ท SKB-NET116.126.0.0/16 SK Broadband | ||||||
| MX | mailapp.hiworks.co.kr โญ | ||||||
| A | 45.120.71.59๐ฐ๐ท DACOM-NET45.120.71.0/24 | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| A | 121.254.168.55๐ฐ๐ท DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| A | 211.47.76.59๐ฐ๐ท DACOM-NET211.47.76.0/24 proxy for HANARO TELECOM route | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| TXT | v=spf1 include:_spf.hiworks.co.kr ~all | ||||||
| SOA | ucas.co.krpostmaster@ucas.co.kr serial=20130520 | ||||||
co.kr
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | g.dns.kr โญ โ ๏ธ Not in parent delegation | ||||||
| NS | b.dns.kr โ ๏ธ Not in parent delegation | ||||||
| NS | c.dns.kr โ ๏ธ Not in parent delegation | ||||||
| NS | d.dns.kr โ ๏ธ Not in parent delegation | ||||||
| NS | e.dns.kr โ ๏ธ Not in parent delegation | ||||||
| NS | f.dns.kr โ ๏ธ Not in parent delegation | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2604140693 | ||||||
NS for
ucas.co.kr |
Subdomains
Same first word
Similar names
DNS History
11 records (11 active, 0 former)
โNSns.sitecook.kr2026-03-07 โ 2026-04-14 ยท 3 obs
โ 2026-03-07 08:21:32
โ 2026-04-14 04:58:46
โNSns.ucas.co.kr2018-05-10 โ 2026-04-14 ยท 2 obs
โ 2026-04-14 04:58:46
โNSns1.sitecook.kr2026-03-07 โ 2026-04-14 ยท 3 obs
โ 2026-03-07 08:21:32
โ 2026-04-14 04:58:46
โNSns1.ucas.co.kr2018-05-10 โ 2026-04-14 ยท 2 obs
โ 2026-04-14 04:58:46
โNSns2.sitecook.kr2026-03-07 โ 2026-04-14 ยท 3 obs
โ 2026-03-07 08:21:32
โ 2026-04-14 04:58:46
โNSns2.ucas.co.kr2018-05-10 โ 2026-04-14 ยท 2 obs
โ 2026-04-14 04:58:46
โNSns3.sitecook.kr2026-03-07 โ 2026-04-14 ยท 3 obs
โ 2026-03-07 08:21:32
โ 2026-04-14 04:58:46
โNSns3.ucas.co.kr2018-05-10 โ 2026-04-14 ยท 2 obs
โ 2026-04-14 04:58:46
โNSucas.co.kr2018-05-10 โ 2026-04-14 ยท 2 obs
โ 2026-04-14 04:58:46
โMXmailapp.hiworks.co.kr2018-05-10 โ 2026-04-14 ยท 2 obs
โ 2026-04-14 04:58:46
โA112.175.50.2232018-05-10 โ 2026-04-14 ยท 2 obs
โ 2026-04-14 04:58:46
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | f.dns.kr, e.dns.kr, d.dns.kr, b.dns.kr... | 10 records |
| ucas.co.kr | ns3.sitecook.kr, ns2.sitecook.kr, ns.sitecook.kr, ns1.sitecook.kr | - |
โ Authoritative Response
Server:116.126.143.225
NS records: ns3.sitecook.kr, ns2.sitecook.kr, ns.sitecook.kr, ns1.sitecook.kr
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for ucas.co.kr (unsigned zone)
โฑ๏ธ Timing
Total: 2100ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 112.175.50.223 |
| NS | 4 | ns1.ucas.co.kr, ns3.ucas.co.kr... |
| MX | 1 | mailapp.hiworks.co.kr (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.hiworks.co.kr ~all |
| SOA | 1 | ucas.co.kr postmaster.ucas.co.kr |
๐ Glue Records Collected
Total: 10
In-bailiwick: 10 (b.dns.kr, c.dns.kr, d.dns.kr...)
Analysis
Hierarchy
ucas.co.kr is a parent of ns3.ucas.co.kr, ns1.ucas.co.kr, ns2.ucas.co.kr and ns.ucas.co.kr.
Name Server Role
ucas.co.kr serves as a name server for ucas.co.kr.
ns3.ucas.co.kr, ns1.ucas.co.kr and ns.ucas.co.kr are commonly used as name servers together with ucas.co.kr.
IP Addresses
ucas.co.kr points to IP number: 112.175.50.223.
Other host names such as hpk.kr, winko.co.kr, howgameschool.co.kr, workonsim.com and farmnet.kr share IPs with ucas.co.kr.
Name Servers
ucas.co.kr is delegated to nine name servers: ucas.co.kr, ns1.sitecook.kr, ns2.sitecook.kr, ns3.sitecook.kr, ns.sitecook.kr, ns1.ucas.co.kr, ns2.ucas.co.kr, ns3.ucas.co.kr and ns.ucas.co.kr.
ucas.co.kr at least partially shares name servers with other domains, for instance hope-1004.com, areumcheil.com, keco1004.com, drivers.co.kr and aquastory.net.
these name servers are commonly used with ns1.hope-1004.com, ns2.hope-1004.com, ns3.hope-1004.com and ns.hope-1004.com.
Host ucas.co.kr points to 112.175.50.223.
Host ns1.sitecook.kr points to 116.126.143.226.
Host ns2.sitecook.kr points to 218.145.65.144.
Host ns3.sitecook.kr points to 116.126.143.225.
Host ns.sitecook.kr points to 218.145.65.143.
Host ns1.ucas.co.kr points to 116.126.143.226.
Host ns2.ucas.co.kr points to 218.145.65.144.
Host ns3.ucas.co.kr points to 116.126.143.225.
Host ns.ucas.co.kr points to 218.145.65.143.
Hosts pointing to 116.126.143.226: ns1.sitecook.kr and ns1.ucas.co.kr.
Hosts pointing to 218.145.65.144: ns2.sitecook.kr and ns2.ucas.co.kr.
Hosts pointing to 116.126.143.225: ns3.sitecook.kr and ns3.ucas.co.kr.
Hosts pointing to 218.145.65.143: ns.sitecook.kr and ns.ucas.co.kr.
Mail Servers
ucas.co.kr is handled by a single mail server, mailapp.hiworks.co.kr.
The mail server setup for ucas.co.kr matches that of other domains, for instance kkot.ac.kr, findall.co.nz, digitide.co.kr, samileltec.co.kr and igeninvest.com.
ucas.co.kr shares some mail servers with other domains, for instance koreavalve.com, 1cmplus.com and g2m.co.kr.
Host mailapp.hiworks.co.kr resolves to three IPs: 45.120.71.59, 121.254.168.55 and 211.47.76.59.