`ducohk.com`

DNSSEC	⚠️ Not signed
A	165.22.254.136^{🇸🇬 DIGITALOCEAN165.22.240.0/20 DigitalOcean}
		PTR	`cloud22.tsimtung.com`
NS	`ns1.klnhk.com` ⭐ ⚠️ Not in parent delegation
		A	198.204.225.100^{🇺🇸 NOCIX198.204.224.0/19 -198-204}
			PTR	`nocixcentos7ah3.tsimtung.com`
NS	`ns2.klnhk.com` ⚠️ Not in parent delegation
		A	195.154.55.38^{🇫🇷 AS12876195.154.0.0/16 Scaleway Paris, France}
			PTR	`ns2.klnhk.com`
NS	`ns3.hkqmail.com` ⚠️ Not in zone NS records
		A	198.204.225.100^{🇺🇸 NOCIX198.204.224.0/19 -198-204}
			PTR	`nocixcentos7ah3.tsimtung.com`
NS	`ns4.hkqmail.com` ⚠️ Not in zone NS records
		A	69.197.185.69^{🇺🇸 WHOLESALE-INTERNET69.197.128.0/18 WII-69-197}
			PTR	`vhn102d.tsimtung.com`
MX	`mail.ducohk.com` ⭐
TXT	`v=spf1 include:_spf.tsimtung.com ?all`
SOA	`ns1.klnhk.com`webmaster@tsimtung.com 2008-12-20 #19

`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.net`nstld@verisign-grs.com serial=1774839912

Same first word

ducohk.com

Similar names

ohduck.com

khudoc.com

cdouhk.noip.me

kuhdoc.at

hudock.com

dhouck.com

dokuch.com

duckoh.com

kuhdoc.de

chudko.com

DNS History

9 records (6 active, 3 former)

●NSns1.klnhk.com2015-06-04 → 2026-03-30 · 2 obs

● 2015-06-04 05:37:52
● 2026-03-30 03:29:40

●NSns2.klnhk.com2015-06-04 → 2026-03-30 · 2 obs

● 2015-06-04 05:37:52
● 2026-03-30 03:29:40

●NSns3.hkqmail.com2026-03-22 → 2026-03-30 · 3 obs

○ 2015-06-04 05:37:52
● 2026-03-22 23:09:24
● 2026-03-30 03:29:40

●NSns4.hkqmail.com2026-03-22 → 2026-03-30 · 3 obs

○ 2015-06-04 05:37:52
● 2026-03-22 23:09:24
● 2026-03-30 03:29:40

○MXgw9.tsimtung.com2015-06-04 → 2017-02-05 · 4 obs

● 2015-06-04 05:37:52
● 2017-02-05 21:59:48
○ 2026-03-22 23:09:24
○ 2026-03-30 03:29:40

●MXmail.ducohk.com2026-03-22 → 2026-03-30 · 3 obs

○ 2017-02-05 21:59:48
● 2026-03-22 23:09:24
● 2026-03-30 03:29:40

●A165.22.254.1362026-03-22 → 2026-03-30 · 3 obs

○ 2017-02-05 21:59:48
● 2026-03-22 23:09:24
● 2026-03-30 03:29:40

○A202.65.196.1882017-02-05 → 2017-02-05 · 4 obs

○ 2016-04-04 02:49:06
● 2017-02-05 21:59:48
○ 2026-03-22 23:09:24
○ 2026-03-30 03:29:40

○A202.65.218.742015-06-04 → 2016-04-04 · 4 obs

● 2015-06-04 05:37:52
● 2016-04-04 02:49:06
○ 2017-02-05 21:59:48
○ 2026-03-30 03:29:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ducohk.com	ns3.hkqmail.com, ns4.hkqmail.com	2 records

✅ Authoritative Response

Server:198.204.225.100

NS records: ns3.hkqmail.com, ns4.hkqmail.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ducohk.com (unsigned zone)

⏱️ Timing

Total: 3109ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`165.22.254.136`
NS	2	`ns1.klnhk.com, ns2.klnhk.com`
MX	1	`mail.ducohk.com (pri: 10)`
TXT	1	`v=spf1 include:_spf.tsimtung.com ?all`
SOA	1	`ns1.klnhk.com webmaster.tsimtung.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.hkqmail.com, ns4.hkqmail.com)

Analysis

IP Addresses

ducohk.com points to a single IP number: 165.22.254.136.

Other host names, for instance mail.spill.hk, mail.vanson.com.hk, www.ibnb.com.hk, cloud22.tsimtung.com and kitchendesignhk.com share IP numbers with ducohk.com.

Name Servers

ducohk.com is delegated to four name servers: ns3.hkqmail.com, ns4.hkqmail.com, ns1.klnhk.com and ns2.klnhk.com.

ducohk.com shares name servers with other domains at least partially, for instance lamscape.com, kapadoo.com, griffinhk.com, straub.cn and aikido.com.hk.