chainkuo.com - robtex.com
chainkuo.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 218.161.13.95🇹🇼 HiNet218.161.0.0/17 | ||||||
| PTR | 218-161-13-95.hinet-ip.hinet.net | ||||||
| A | 220.133.19.193🇹🇼 HiNet220.133.0.0/16 | ||||||
| NS | ns1.chainkuo.com ⭐ | ||||||
| A | 218.161.13.95🇹🇼 HiNet218.161.0.0/17 | ||||||
| PTR | 218-161-13-95.hinet-ip.hinet.net | ||||||
| A | 220.133.19.193🇹🇼 HiNet220.133.0.0/16 | ||||||
| PTR | 220-133-19-193.hinet-ip.hinet.net | ||||||
| NS | mail.chainkuo.com ⚠️ Not in zone NS records | ||||||
| A | 218.161.13.95🇹🇼 HiNet218.161.0.0/17 | ||||||
| PTR | 218-161-13-95.hinet-ip.hinet.net | ||||||
| A | 220.133.19.193🇹🇼 HiNet220.133.0.0/16 | ||||||
| PTR | 220-133-19-193.hinet-ip.hinet.net | ||||||
| MX | chainkuo.com ⭐ | ||||||
| A | 218.161.13.95🇹🇼 HiNet218.161.0.0/17 | ||||||
| PTR | 218-161-13-95.hinet-ip.hinet.net | ||||||
| A | 220.133.19.193🇹🇼 HiNet220.133.0.0/16 | ||||||
| PTR | 220-133-19-193.hinet-ip.hinet.net | ||||||
| MX | ns1.chainkuo.com ⭐ | ||||||
| A | 218.161.13.95🇹🇼 HiNet218.161.0.0/17 | ||||||
| PTR | 218-161-13-95.hinet-ip.hinet.net | ||||||
| A | 220.133.19.193🇹🇼 HiNet220.133.0.0/16 | ||||||
| PTR | 220-133-19-193.hinet-ip.hinet.net | ||||||
| TXT | v=spf1 ip4:218.161.13.0/24 ip4:220.133.19.0/24 include:_spf.google.com a mx ~all | ||||||
| SOA | ns1.chainkuo.comroot@chainkuo.com 2024-01-25 #68 | ||||||
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=1771291435 | ||||||
MX for
Subdomains
Same first word
Similar names
chikunao.com |
kianouch.com |
kianouch.net |
kunaicho.com |
cuanhoki.com |
hoikucan.jp |
chinaoku.com |
haikuocn.com |
ichunkao.com |
okuchnia.pl |
ouchikan.com |
ouchikan.jp |
chinauok.com |
kunaicho.go.jp |
unichoka.com |
DNS History
9 records (6 active, 3 former)
●NSmail.chainkuo.com2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 00:48:10
● 2026-03-24 00:48:12
●NSns1.chainkuo.com2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 00:48:10
● 2026-03-24 00:48:12
○NSns15.xincache.com2015-05-13 → 2017-05-23 · 4 obs
● 2017-05-23 12:33:46
○ 2026-03-24 00:48:10
○ 2026-03-24 00:48:12
○NSns16.xincache.com2015-05-13 → 2017-05-23 · 4 obs
● 2017-05-23 12:33:46
○ 2026-03-24 00:48:10
○ 2026-03-24 00:48:12
●MXchainkuo.com2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 00:48:10
● 2026-03-24 00:48:12
●MXns1.chainkuo.com2015-05-13 → 2026-03-24 · 2 obs
● 2026-03-24 00:48:12
●A218.161.13.952026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 00:48:10
● 2026-03-24 00:48:12
○A219.85.51.1992015-05-13 → 2017-05-23 · 4 obs
● 2017-05-23 12:33:46
○ 2026-03-24 00:48:10
○ 2026-03-24 00:48:12
●A220.133.19.1932026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 00:48:10
● 2026-03-24 00:48:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| chainkuo.com | ns1.chainkuo.com, mail.chainkuo.com | 4 records |
✅ Authoritative Response
Server:218.161.13.95
NS records: ns1.chainkuo.com, mail.chainkuo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for chainkuo.com (unsigned zone)
⏱️ Timing
Total: 616ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 220.133.19.193, 218.161.13.95 |
| NS | 1 | ns1.chainkuo.com |
| MX | 2 | ns1.chainkuo.com (pri: 10), chainkuo.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:218.161.13.0/24 ip4:220.133.1 |
| SOA | 1 | ns1.chainkuo.com root.chainkuo.com |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns1.chainkuo.com, ns1.chainkuo.com, mail.chainkuo.com...)
Analysis
Hierarchy
chainkuo.com is a parent of mail.chainkuo.com and ns1.chainkuo.com.
Mail Server Role
chainkuo.com handles mail for chainkuo.com and ns1.chainkuo.com.
ns1.chainkuo.com is a mail server commonly used with chainkuo.com.
IP Addresses
chainkuo.com points to two IP numbers: 218.161.13.95 and 220.133.19.193.
Other host names such as chainkuo.com.tw, 220-133-19-193.hinet-ip.hinet.net, 218-161-13-95.hinet-ip.hinet.net, mail.chainkuo.com and ns1.chainkuo.com.tw share IPs with chainkuo.com.
Name Servers
Two name servers mail.chainkuo.com and ns1.chainkuo.com handle the delegation for chainkuo.com.
Names with two IPs:
mail.chainkuo.com points to: 218.161.13.95 and 220.133.19.193.
ns1.chainkuo.com points to: 218.161.13.95 and 220.133.19.193.
Names pointing to 218.161.13.95: mail.chainkuo.com and ns1.chainkuo.com.
Names pointing to 220.133.19.193: mail.chainkuo.com and ns1.chainkuo.com.
Mail Servers
Two mail servers handle chainkuo.com: chainkuo.com and ns1.chainkuo.com.
chainkuo.com shares some mail servers with other domains, for example ns1.chainkuo.com.
Host names with two IP numbers:
chainkuo.com points to 218.161.13.95 and 220.133.19.193