yangsys.com - robtex.com
yangsys.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.threeany.net ⚠️ Not in zone NS records | ||||||
| A | 101.202.43.70🇰🇷 MARK1-AS-KR101.202.0.0/16 DREAMMARK1 | ||||||
| NS | ns2.threeany.net ⚠️ Not in zone NS records | ||||||
| A | 101.202.43.123🇰🇷 MARK1-AS-KR101.202.0.0/16 DREAMMARK1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1782248450 | ||||||
Previously NS for
yangsys.com |
Same first word
yangsys.com |
DNS History
13 records (2 active, 11 former)
○NSns.ec21.com2007-10-23 → 2017-04-01 · 4 obs
● 2007-10-23 02:31:54
● 2017-04-01 00:11:20
○ 2026-05-08 05:41:46
○ 2026-06-23 21:03:56
● 2017-04-01 00:11:20
○ 2026-05-08 05:41:46
○ 2026-06-23 21:03:56
●NSns1.threeany.net2026-05-08 → 2026-06-23 · 3 obs
○ 2017-04-01 00:11:20
● 2026-05-08 05:41:46
● 2026-06-23 21:03:56
● 2026-05-08 05:41:46
● 2026-06-23 21:03:56
○NSns2.ec21.com2007-10-23 → 2017-04-01 · 4 obs
● 2007-10-23 02:31:54
● 2017-04-01 00:11:20
○ 2026-05-08 05:41:46
○ 2026-06-23 21:03:56
● 2017-04-01 00:11:20
○ 2026-05-08 05:41:46
○ 2026-06-23 21:03:56
●NSns2.threeany.net2026-05-08 → 2026-06-23 · 3 obs
○ 2017-04-01 00:11:20
● 2026-05-08 05:41:46
● 2026-06-23 21:03:56
● 2026-05-08 05:41:46
● 2026-06-23 21:03:56
○NSyangsys.com2015-06-06 → 2017-04-01 · 5 obs
○ 2007-10-23 02:31:54
● 2015-06-06 18:57:54
● 2017-04-01 00:11:20
○ 2026-05-08 05:41:46
○ 2026-06-23 21:03:56
● 2015-06-06 18:57:54
● 2017-04-01 00:11:20
○ 2026-05-08 05:41:46
○ 2026-06-23 21:03:56
○MXmail.yangsys.com2015-06-06 → 2017-04-01 · 5 obs
○ 2007-10-23 02:31:54
● 2015-06-06 18:57:54
● 2017-04-01 00:11:20
○ 2026-05-08 05:41:46
○ 2026-06-23 21:03:56
● 2015-06-06 18:57:54
● 2017-04-01 00:11:20
○ 2026-05-08 05:41:46
○ 2026-06-23 21:03:56
○MXmail1.ec21.com2007-10-23 → 2007-10-23 · 3 obs
● 2007-10-23 02:31:54
○ 2015-06-06 18:57:54
○ 2026-06-23 21:03:56
○ 2015-06-06 18:57:54
○ 2026-06-23 21:03:56
○MXmail2.ec21.com2007-10-23 → 2007-10-23 · 3 obs
● 2007-10-23 02:31:54
○ 2015-06-06 18:57:54
○ 2026-06-23 21:03:56
○ 2015-06-06 18:57:54
○ 2026-06-23 21:03:56
○MXmailapp.hiworks.co.kr2026-05-08 → 2026-06-08 · 5 obs
○ 2017-04-01 00:11:20
● 2026-05-08 05:41:46
● 2026-06-08 10:53:22
○ 2026-06-23 04:13:22
○ 2026-06-23 21:03:56
● 2026-05-08 05:41:46
● 2026-06-08 10:53:22
○ 2026-06-23 04:13:22
○ 2026-06-23 21:03:56
○MXsbs-1.seculetter.com2026-05-08 → 2026-06-08 · 5 obs
○ 2017-04-01 00:11:20
● 2026-05-08 05:41:46
● 2026-06-08 10:53:22
○ 2026-06-23 04:13:22
○ 2026-06-23 21:03:56
● 2026-05-08 05:41:46
● 2026-06-08 10:53:22
○ 2026-06-23 04:13:22
○ 2026-06-23 21:03:56
○A101.202.43.1632026-05-08 → 2026-06-08 · 5 obs
○ 2017-04-01 00:11:20
● 2026-05-08 05:41:46
● 2026-06-08 10:53:22
○ 2026-06-23 04:13:22
○ 2026-06-23 21:03:56
● 2026-05-08 05:41:46
● 2026-06-08 10:53:22
○ 2026-06-23 04:13:22
○ 2026-06-23 21:03:56
○A110.45.140.1132015-06-06 → 2017-04-01 · 5 obs
○ 2007-10-23 02:31:54
● 2015-06-06 18:57:54
● 2017-04-01 00:11:20
○ 2026-05-08 05:41:46
○ 2026-06-23 21:03:56
● 2015-06-06 18:57:54
● 2017-04-01 00:11:20
○ 2026-05-08 05:41:46
○ 2026-06-23 21:03:56
○A203.233.203.992007-10-23 → 2007-10-23 · 3 obs
● 2007-10-23 02:31:54
○ 2015-06-06 18:57:54
○ 2026-06-23 21:03:56
○ 2015-06-06 18:57:54
○ 2026-06-23 21:03:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net... | - |
| yangsys.com | ns1.threeany.net, ns2.threeany.net | - |
✅ Authoritative Response
Server:101.202.43.70
NS records: ns1.threeany.net, ns2.threeany.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yangsys.com (unsigned zone)
⏱️ Timing
Total: 4448ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 101.202.43.163 |
| NS | 2 | ns2.threeany.net, ns1.threeany.net |
| MX | 2 | mailapp.hiworks.co.kr (pri: 20), sbs-1.seculetter.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.hiworks.co.kr ~all |
| SOA | 1 | ns1.threeany.net root.threeany.net |
Analysis
Name Servers
yangsys.com uses two name servers for its delegation: ns1.threeany.net and ns2.threeany.net.
The name server configuration of yangsys.com is shared with other domains, for instance humancode.co.kr, bs21c.com, samri.co.kr and two others.
ns1.threeany.net → 101.202.43.70 and ns2.threeany.net → 101.202.43.123: one IP number per host name.