pysb.kr - robtex.com
pysb.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 18.238.4.5🇺🇸 Amazon18.238.4.0/22 | ||||||
| PTR | server-18-238-4-5.phl51.r.cloudfront.net | ||||||
| A | 18.238.4.16🇺🇸 Amazon18.238.4.0/22 | ||||||
| A | 18.238.4.78🇺🇸 Amazon18.238.4.0/22 | ||||||
| A | 18.238.4.84🇺🇸 Amazon18.238.4.0/22 | ||||||
| NS | ans1.hostcocoa.com ⭐ | ||||||
| A | 205.251.192.117🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-117.awsdns-14.com | ||||||
| NS | ans2.hostcocoa.com | ||||||
| A | 205.251.195.46🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-814.awsdns-37.net | ||||||
| NS | ans3.hostcocoa.com | ||||||
| A | 205.251.197.133🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1413.awsdns-48.org | ||||||
| NS | ans4.hostcocoa.com | ||||||
| A | 205.251.198.221🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1757.awsdns-27.co.uk | ||||||
| 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 include:_spf.daum.net ~all | ||||||
| TXT | v=spf1 ip4:52.79.92.223 ~all | ||||||
| SOA | ans1.hostcocoa.comawsdns-hostmaster@amazon.com serial=1 | ||||||
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=2607290505 | ||||||
Similar names
DNS History
10 records (10 active, 0 former)
●NSans1.hostcocoa.com2026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 21:02:24
●NSans2.hostcocoa.com2026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 21:02:24
●NSans3.hostcocoa.com2026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 21:02:24
●NSans4.hostcocoa.com2026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 21:02:24
●MXalt.aspmx.daum.net2026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 21:02:24
●A18.238.4.162026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 21:02:24
●A18.238.4.52026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 21:02:24
●A18.238.4.782026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 21:02:24
●A18.238.4.842026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 21:02:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | d.dns.kr, e.dns.kr, b.dns.kr, g.dns.kr... | - |
| pysb.kr | ans2.hostcocoa.com, ans3.hostcocoa.com, ans4.hostcocoa.com, ans1.hostcocoa.com | - |
✅ Authoritative Response
Server:205.251.195.46
NS records: ans2.hostcocoa.com, ans3.hostcocoa.com, ans4.hostcocoa.com, ans1.hostcocoa.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pysb.kr (unsigned zone)
⏱️ Timing
Total: 840ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 18.238.4.84, 18.238.4.5... |
| NS | 4 | ans1.hostcocoa.com, ans2.hostcocoa.com... |
| MX | 2 | aspmx.daum.net (pri: 10), alt.aspmx.daum.net (pri: 20) |
| TXT | 2 | v=spf1 include:_spf.daum.net ~all, v=spf1 ip4:52.79.92.223 ~all |
| SOA | 1 | ans1.hostcocoa.com awsdns-hostmaster.ama |
Analysis
IP Addresses
pysb.kr points to the four IP addresses 18.238.4.5, 18.238.4.16, 18.238.4.78 and 18.238.4.84.
Additional host names — movable-ink-3599.com, fpc-mob.com, d12ex6tbzf1ibu.cloudfront.net and two others — share IP numbers with pysb.kr.
Name Servers
pysb.kr has four authoritative name servers: ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com and ans4.hostcocoa.com.
The name servers of pysb.kr overlap at least partially with those of other domains — among them error606.co.kr, omipub.com, benekid.kr and two more.
ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com and ans4.hostcocoa.com each resolve to one IP address: ans1.hostcocoa.com resolves to 205.251.192.117, ans2.hostcocoa.com resolves to 205.251.195.46, ans3.hostcocoa.com resolves to 205.251.197.133 and ans4.hostcocoa.com resolves to 205.251.198.221.
Mail Servers
pysb.kr has two mail servers: aspmx.daum.net and alt.aspmx.daum.net.
pysb.kr shares the same mail server setup as other domains, including u-tas.co.kr, cpmengkorea.com, heenam.co.kr and two others.
pysb.kr partially shares its mail servers with other domains — including jedam.net, 87daejang.com, sherwood.kr and modengift.co.kr.
aspmx.daum.net directs to 121.53.85.23, as does alt.aspmx.daum.net — both hostnames resolve to that one IP address.
aspmx.daum.net along with alt.aspmx.daum.net each resolve to 121.53.85.23 IP addresses.