alpha-tech.kr - dns.ninja
alpha-tech.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.111.174.80🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM | ||||||
| NS | alpha-tech.kr ⭐ | ||||||
| A | 183.111.174.80🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM | ||||||
| NS | ns.alpha-tech.kr ⚠️ Not in parent delegation | ||||||
| A | 218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns.rainhosting.co.kr ⚠️ Not in zone NS records | ||||||
| A | 218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns1.alpha-tech.kr ⚠️ Not in parent delegation | ||||||
| A | 116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns1.rainhosting.co.kr ⚠️ Not in zone NS records | ||||||
| A | 116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns2.alpha-tech.kr ⚠️ Not in parent delegation | ||||||
| A | 218.145.65.144🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns3.alpha-tech.kr ⚠️ Not in parent delegation | ||||||
| A | 116.126.143.225🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| MX | aspmx.daum.net ⭐ | ||||||
| A | 121.53.85.23🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao | ||||||
| MX | alt.aspmx.daum.net(20) | ||||||
| A | 121.53.85.23🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao | ||||||
| TXT | v=spf1 ip4:211.34.104.37 ~all | ||||||
| SOA | alpha-tech.krpostmaster@alpha-tech.kr serial=20181011 | ||||||
kr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | g.dns.kr ⭐ | ||||||
| NS | b.dns.kr | ||||||
| NS | c.dns.kr | ||||||
| NS | d.dns.kr | ||||||
| NS | e.dns.kr | ||||||
| NS | f.dns.kr | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2606300503 | ||||||
NS for
alpha-tech.kr |
Subdomains
Same first word
Similar names
DNS History
10 records (10 active, 0 former)
●NSalpha-tech.kr2026-02-18 → 2026-06-29 · 2 obs
● 2026-06-29 20:59:00
●NSns.alpha-tech.kr2026-02-18 → 2026-06-29 · 2 obs
● 2026-06-29 20:59:00
●NSns.rainhosting.co.kr2026-02-18 → 2026-06-29 · 2 obs
● 2026-06-29 20:59:00
●NSns1.alpha-tech.kr2026-02-18 → 2026-06-29 · 2 obs
● 2026-06-29 20:59:00
●NSns1.rainhosting.co.kr2026-02-18 → 2026-06-29 · 2 obs
● 2026-06-29 20:59:00
●NSns2.alpha-tech.kr2026-02-18 → 2026-06-29 · 2 obs
● 2026-06-29 20:59:00
●NSns3.alpha-tech.kr2026-02-18 → 2026-06-29 · 2 obs
● 2026-06-29 20:59:00
●MXalt.aspmx.daum.net2026-02-18 → 2026-06-29 · 2 obs
● 2026-06-29 20:59:00
●A183.111.174.802026-02-18 → 2026-06-29 · 2 obs
● 2026-06-29 20:59:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | c.dns.kr, d.dns.kr, e.dns.kr, f.dns.kr... | - |
| alpha-tech.kr | ns1.rainhosting.co.kr, ns.rainhosting.co.kr | - |
✅ Authoritative Response
Server:116.126.143.226
NS records: ns1.rainhosting.co.kr, ns.rainhosting.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alpha-tech.kr (unsigned zone)
⏱️ Timing
Total: 1845ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.111.174.80 |
| NS | 4 | ns1.alpha-tech.kr, ns3.alpha-tech.kr... |
| MX | 2 | ASPMX.daum.net (pri: 10), ALT.ASPMX.daum.net (pri: 20) |
| TXT | 1 | v=spf1 ip4:211.34.104.37 ~all |
| SOA | 1 | alpha-tech.kr postmaster.alpha-tech.kr |
Analysis
Hierarchy
alpha-tech.kr serves as the parent of ns2.alpha-tech.kr, ns.alpha-tech.kr, ns1.alpha-tech.kr and ns3.alpha-tech.kr.
Name Server Role
alpha-tech.kr serves as a name server for itself — alpha-tech.kr is its own authoritative name server.
ns1.alpha-tech.kr, ns2.alpha-tech.kr and ns3.alpha-tech.kr frequently serve as name servers alongside alpha-tech.kr.
IP Addresses
alpha-tech.kr points to a single IP number: 183.111.174.80.
Additional host names — samwoon.co.kr, ebarum5.net, kocom-media.com and two others — share IP numbers with alpha-tech.kr.
Name Servers
DNS for alpha-tech.kr is delegated to 7 name servers: alpha-tech.kr, ns1.alpha-tech.kr, ns2.alpha-tech.kr plus 4 other.
alpha-tech.kr has at least partial name server overlap with other domains, such as bmie.co.kr, ejoon.co.kr, aplestory.com and two others.
ns1.rainhosting.co.kr, ns.rainhosting.co.kr and ns2.rainhosting.co.kr — plus 7 other name servers — are commonly paired with these name servers.
Host names pointing to a single IP address:
alpha-tech.kr points to 183.111.174.80.
ns1.alpha-tech.kr points to 116.126.143.226.
ns2.alpha-tech.kr points to 218.145.65.144.
ns3.alpha-tech.kr points to 116.126.143.225.
ns.alpha-tech.kr points to 218.145.65.143.
ns1.rainhosting.co.kr points to 116.126.143.226.
ns.rainhosting.co.kr points to 218.145.65.143.
ns1.alpha-tech.kr and ns1.rainhosting.co.kr are host names that each point to 116.126.143.226 IP addresses.
ns.alpha-tech.kr and ns.rainhosting.co.kr are host names that each point to 218.145.65.143 IP addresses.
Mail Servers
alpha-tech.kr has two mail servers: aspmx.daum.net and alt.aspmx.daum.net.
alpha-tech.kr shares the same mail server setup as other domains, including pomax.co.kr, musiaplugin.com, ezen-i.com and two others.
At least some of alpha-tech.kr's mail servers are shared with other domains, among them globalgolftimes.com, dajeong-gift.com, wntkorea.com and joinusworld.org.
aspmx.daum.net and alt.aspmx.daum.net both resolve to the same single IP address: 121.53.85.23.
aspmx.daum.net and alt.aspmx.daum.net are host names that each point to 121.53.85.23 IP addresses.