ctlhk.com - dns.ninja
ctlhk.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 180.188.179.74🇭🇰 HTCL-IAS-HK-AP180.188.128.0/18 Proxy-registered route object | ||||||
| NS | ns19.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21d0::a🇺🇸 GODADDY-DNS2603:5:21d0::/44 | ||||||
| PTR | ns19.domaincontrol.com | ||||||
| A | 97.74.109.10🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns19.domaincontrol.com | ||||||
| NS | ns20.domaincontrol.com | ||||||
| A | 2603:5:22d0::a🇺🇸 GODADDY-DNS2603:5:22d0::/44 | ||||||
| PTR | ns20.domaincontrol.com | ||||||
| A | 173.201.77.10🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns20.domaincontrol.com | ||||||
| MX | mail.ctlhk.com ⭐ | ||||||
| A | 42.200.151.50🇭🇰 HKTIMS-AP42.200.128.0/19 PCCW IMS Ltd (PCCW Business Internet Access) 26/F, PCCW TOWER TAIKOO PLACE 979 KINGS ROAD QUARRY BAY, HONG KONG | ||||||
| PTR | 42-200-151-50.static.imsbiz.com | ||||||
| TXT | v=spf1 a mx ptr include:secureserver.net ~all | ||||||
| SOA | ns19.domaincontrol.comdns@jomax.net 2026-07-07 #2 | ||||||
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=1785082097 | ||||||
Subdomains
mail.ctlhk.com |
Same first word
ctlhk.com |
Similar names
htklc.com |
khtcl.com |
hkclt.com |
thlck.com |
hktlc.edu.hk |
lkhtc.com |
tlchk.org |
kltch.com |
tlchk.com |
lhctk.com |
lkthc.cn |
tclhk.com |
hklct.com |
chtlk.com |
hktcl.com |
khlct.com |
DNS History
11 records (4 active, 7 former)
○NSns1.ipage.com2015-06-12 → 2016-05-28 · 4 obs
● 2016-05-28 06:16:58
○ 2017-01-29 09:14:50
○ 2026-07-26 16:33:08
●NSns19.domaincontrol.com2017-01-29 → 2026-07-26 · 3 obs
● 2017-01-29 09:14:50
● 2026-07-26 16:33:08
○NSns2.ipage.com2015-06-12 → 2016-05-28 · 4 obs
● 2016-05-28 06:16:58
○ 2017-01-29 09:14:50
○ 2026-07-26 16:33:08
●NSns20.domaincontrol.com2017-01-29 → 2026-07-26 · 3 obs
● 2017-01-29 09:14:50
● 2026-07-26 16:33:08
●MXmail.ctlhk.com2017-01-29 → 2026-07-26 · 3 obs
● 2017-01-29 09:14:50
● 2026-07-26 16:33:08
○MXmx.ctlhk.com2015-06-12 → 2016-05-28 · 4 obs
● 2016-05-28 06:16:58
○ 2017-01-29 09:14:50
○ 2026-07-26 16:33:08
○A107.180.51.322017-01-29 → 2017-01-29 · 4 obs
● 2017-01-29 09:14:50
○ 2019-03-30 11:58:54
○ 2026-07-26 16:33:08
●A180.188.179.742026-07-26 → 2026-07-26 · 3 obs
● 2026-07-26 16:33:06
● 2026-07-26 16:33:08
○A42.200.151.502019-03-30 → 2026-06-13 · 5 obs
● 2019-03-30 11:58:54
● 2026-06-13 00:02:36
○ 2026-07-26 16:33:06
○ 2026-07-26 16:33:08
○A66.96.147.672015-06-12 → 2016-01-04 · 4 obs
● 2016-01-04 04:00:58
○ 2016-05-28 06:16:58
○ 2026-07-26 16:33:08
○A66.96.149.322016-05-28 → 2016-05-28 · 4 obs
● 2016-05-28 06:16:58
○ 2017-01-29 09:14:50
○ 2026-07-26 16:33:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net... | - |
| ctlhk.com | ns19.domaincontrol.com, ns20.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.109.10
NS records: ns19.domaincontrol.com, ns20.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctlhk.com (unsigned zone)
⏱️ Timing
Total: 248ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 180.188.179.74 |
| NS | 2 | ns20.domaincontrol.com, ns19.domaincontrol.com |
| MX | 1 | mail.ctlhk.com (pri: 0) |
| TXT | 1 | v=spf1 a mx ptr include:secureserver.net |
| SOA | 1 | ns19.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns19.domaincontrol.com, ns19.domaincontrol.com, ns20.domaincontrol.com...)
Analysis
Hierarchy
The domain mail.ctlhk.com falls under the parent ctlhk.com.
IP Addresses
ctlhk.com has exactly one IP address — 180.188.179.74.
Name Servers
Two name servers handle the delegation for ctlhk.com: ns19.domaincontrol.com and ns20.domaincontrol.com.
The name server configuration of ctlhk.com is shared with other domains, for instance sloey.com, deportationforce.com, rcfrench.net and two others.
ns19.domaincontrol.com and ns20.domaincontrol.com both carry two IP addresses. The A records for ns19.domaincontrol.com are 97.74.109.10 and 2603:5:21d0::a; the A records for ns20.domaincontrol.com are 173.201.77.10 and 2603:5:22d0::a.
Mail Servers
ctlhk.com uses one mail server — mail.ctlhk.com.
mail.ctlhk.com carries a single IP number, which is 42.200.151.50.