cktechhk.com - robtex.com
cktechhk.com
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=1775397967 | ||||||
Subdomains
Same first word
cktechhk.com |
DNS History
19 records (12 active, 7 former)
●NSdns.4cun.com2015-12-31 → 2026-04-05 · 3 obs
● 2015-12-31 06:08:30
● 2026-04-05 14:36:16
○NSdns.bizcn.com2015-10-21 → 2015-10-21 · 4 obs
● 2015-10-21 03:00:52
○ 2015-12-31 06:08:30
○ 2026-04-05 14:36:16
●NSdns1.4cun.com2026-04-02 → 2026-04-05 · 3 obs
● 2026-04-02 16:14:54
● 2026-04-05 14:36:16
○NSdns15.hichina.com2008-03-08 → 2008-03-08 · 3 obs
○ 2015-05-29 23:54:24
○ 2026-04-05 14:36:16
○NSdns16.hichina.com2008-03-08 → 2008-03-08 · 3 obs
○ 2015-05-29 23:54:24
○ 2026-04-05 14:36:16
●NSdns2.4cun.com2026-04-02 → 2026-04-05 · 3 obs
● 2026-04-02 16:14:54
● 2026-04-05 14:36:16
○NSns5.cnmsn.net2015-05-29 → 2015-10-21 · 5 obs
● 2015-05-29 23:54:24
● 2015-10-21 03:00:52
○ 2015-12-31 06:08:30
○ 2026-04-05 14:36:16
○NSns6.cnmsn.net2015-05-29 → 2015-10-21 · 5 obs
● 2015-05-29 23:54:24
● 2015-10-21 03:00:52
○ 2015-12-31 06:08:30
○ 2026-04-05 14:36:16
●MXalt1.aspmx.l.google.com2015-05-29 → 2026-04-05 · 3 obs
● 2015-05-29 23:54:24
● 2026-04-05 14:36:16
●MXalt2.aspmx.l.google.com2015-05-29 → 2026-04-05 · 3 obs
● 2015-05-29 23:54:24
● 2026-04-05 14:36:16
●MXaspmx.l.google.com2015-05-29 → 2026-04-05 · 3 obs
● 2015-05-29 23:54:24
● 2026-04-05 14:36:16
●MXaspmx2.googlemail.com2015-05-29 → 2026-04-05 · 3 obs
● 2015-05-29 23:54:24
● 2026-04-05 14:36:16
●MXaspmx3.googlemail.com2015-05-29 → 2026-04-05 · 3 obs
● 2015-05-29 23:54:24
● 2026-04-05 14:36:16
●MXaspmx4.googlemail.com2015-05-29 → 2026-04-05 · 3 obs
● 2015-05-29 23:54:24
● 2026-04-05 14:36:16
●MXaspmx5.googlemail.com2015-05-29 → 2026-04-05 · 3 obs
● 2015-05-29 23:54:24
● 2026-04-05 14:36:16
●MXmail.cktechhk.com2015-05-29 → 2026-04-05 · 3 obs
● 2015-05-29 23:54:24
● 2026-04-05 14:36:16
●A148.72.3.2312026-04-02 → 2026-04-05 · 3 obs
● 2026-04-02 16:14:54
● 2026-04-05 14:36:16
○A198.23.107.1482015-05-29 → 2020-03-17 · 5 obs
● 2015-05-29 23:54:24
● 2020-03-17 18:09:56
○ 2026-04-02 16:14:54
○ 2026-04-05 14:36:16
○A218.30.96.1432008-03-08 → 2008-03-08 · 3 obs
○ 2015-05-29 23:54:24
○ 2026-04-05 14:36:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cktechhk.com | dns1.4cun.com, dns2.4cun.com | 4 records |
✅ Authoritative Response
Server:61.172.183.74
NS records: dns1.4cun.com, dns2.4cun.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cktechhk.com (unsigned zone)
⏱️ Timing
Total: 767ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 148.72.3.231 |
| MX | 8 | mail.cktechhk.com (pri: 10), aspmx5.googlemail.com (pri: 7)... |
| SOA | 1 | dns.4cun.com admin.cktechhk.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.4cun.com, dns1.4cun.com, dns2.4cun.com...)
Analysis
Hierarchy
cktechhk.com is the parent of mail.cktechhk.com and www.cktechhk.com.
IP Addresses
cktechhk.com points to an IP address: 148.72.3.231.
other host names include mail.frederickelias.com, lakshmicorp.co.in, frederickelias.com, futureleague.net and smking.live; they share IP numbers with cktechhk.com.
Name Servers
cktechhk.com is delegated to three name servers dns1.4cun.com, dns2.4cun.com and dns.4cun.com.
cktechhk.com at least partially shares name servers with other domains, for instance yzsuteng.com, 64393352.com, weibcc.com, vibor.cn and pilotaircraft.com.
these name servers are commonly used with dns2.51dns.top, dns3.4cun.com, dns4.51dns.top, dns7.4cun.com, ns1.4cun.com, dns8.51dns.top, dns8.4cun.com, ns2.51dns.top, ns2.4cun.com and ns3.4cun.com.
Host names with two IP numbers
dns1.4cun.com points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 61.172.183.74.
dns2.4cun.com points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 219.138.102.210.
Names pointing to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7: dns1.4cun.com and dns2.4cun.com.
Mail Servers
cktechhk.com is handled by eight mail servers: mail.cktechhk.com, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
cktechhk.com shares at least partially some mail servers with other domains, for instance noyaglobal.com, emberwomens.com, restoreandrebalance.com, ns500599.ns500737.ns500599.ns500737.ns500583.ns500599.ns500697.ns500697.www.yummyflingsfinder.com and ns500754.ns500742.ns500754.ns500742.ns500731.ns500742.ns500704.ns500731.ns500704.ns500688.ns500688.ns500704.ns500649.ns500291.ns500131.lustychickser.com.
these mail servers are commonly used alongside alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host names with two IP numbers:
aspmx2.googlemail.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.26.
aspmx3.googlemail.com points to: 2607:f8b0:4023:1015::1b and 172.253.135.27.
aspmx4.googlemail.com points to: 2a00:1450:4001:c21::1b and 142.251.127.26.
aspmx5.googlemail.com points to: 2a00:1450:400c:c00::1b and 173.194.76.26.
aspmx.l.google.com points to: 2607:f8b0:4023:c06::1a and 74.125.137.26.
alt1.aspmx.l.google.com points to: 2a00:1450:4025:402::1a and 142.250.102.26.
alt2.aspmx.l.google.com points to: 2a00:1450:4013:c1e::1b and 192.178.213.27.
Host names with one IP number:
mail.cktechhk.com points to: 222.73.4.178.