`k12350.com`

DNSSEC	⚠️ Not signed
A	18.166.174.197^{🇭🇰 Amazon18.166.0.0/15 EC2 HKG prefix}
		PTR	`ec2-18-166-174-197.ap-east-1.compute.amazonaws.com`
A	43.198.198.107^{🇭🇰 Amazon43.198.0.0/15 EC2 HKG Prefix}
A	54.46.75.85^{🇺🇸 Amazon54.46.0.0/17 EC2 HKG prefix}
A	154.218.0.35^{🇭🇰 HKMTC-AS-AP154.218.0.0/24 Hong Kong megalayer}
A	156.240.110.244^{🇭🇰 HKCICL-AS-AP156.240.110.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
A	156.240.110.248^{🇭🇰 HKCICL-AS-AP156.240.110.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`edns153.ultradns.com` ⭐ ⚠️ Not in parent delegation
		A	2001:502:f3ff::299^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`edns153.ultradns.com`
		A	204.74.66.153^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`edns153.ultradns.com`
NS	`edns153.ultradns.biz` ⚠️ Not in parent delegation
		A	2610:a1:1015::299^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`edns153.ultradns.biz`
		A	204.74.67.153^{🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar}
			PTR	`edns153.ultradns.biz`
NS	`edns153.ultradns.net` ⚠️ Not in parent delegation
		A	2610:a1:1014::299^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`edns153.ultradns.net`
		A	204.74.110.153^{🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar}
			PTR	`edns153.ultradns.net`
NS	`edns153.ultradns.org` ⚠️ Not in parent delegation
		A	2001:502:4612::299^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`edns153.ultradns.org`
		A	204.74.111.153^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`edns153.ultradns.org`
NS	`pdns104.ultradns.biz` ⚠️ Not in zone NS records
		A	2610:a1:1015::8c^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns104.ultradns.biz`
		A	156.154.66.104^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns104.ultradns.biz`
NS	`pdns104.ultradns.com` ⚠️ Not in zone NS records
		A	2001:502:f3ff::8c^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns104.ultradns.com`
		A	156.154.64.104^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns104.ultradns.com`
NS	`pdns104.ultradns.net` ⚠️ Not in zone NS records
		A	2610:a1:1014::8c^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns104.ultradns.net`
		A	156.154.65.104^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns104.ultradns.net`
NS	`pdns104.ultradns.org` ⚠️ Not in zone NS records
		A	2001:502:4612::8c^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns104.ultradns.org`
		A	156.154.67.104^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns104.ultradns.org`
SOA	`edns153.ultradns.com`zhanghang8819@gmail.com 2023-08-12 #3

`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=1771291435

Same first word

k12350.com

Similar names

10325k.com

23k150.com

10253k.com

DNS History

16 records (14 active, 2 former)

●NSedns153.ultradns.biz2026-03-21 → 2026-03-23 · 3 obs

○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

●NSedns153.ultradns.com2026-03-21 → 2026-03-23 · 3 obs

○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

●NSedns153.ultradns.net2026-03-21 → 2026-03-23 · 3 obs

○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

●NSedns153.ultradns.org2026-03-21 → 2026-03-23 · 3 obs

○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

○NSns1.22.cn2017-12-11 → 2017-12-11 · 3 obs

● 2017-12-11 23:57:44
○ 2026-03-21 06:52:18
○ 2026-03-23 11:14:50

●NSpdns104.ultradns.biz2026-03-21 → 2026-03-23 · 3 obs

○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

●NSpdns104.ultradns.com2026-03-21 → 2026-03-23 · 3 obs

○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

●NSpdns104.ultradns.net2026-03-21 → 2026-03-23 · 3 obs

○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

●NSpdns104.ultradns.org2026-03-21 → 2026-03-23 · 3 obs

○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

●A154.218.0.352026-03-21 → 2026-03-23 · 2 obs

● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

●A156.240.110.2442026-03-21 → 2026-03-23 · 2 obs

● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

●A156.240.110.2482026-03-21 → 2026-03-23 · 2 obs

● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

●A18.166.174.1972026-03-21 → 2026-03-23 · 2 obs

● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

●A43.198.198.1072026-03-21 → 2026-03-23 · 2 obs

● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

●A54.46.75.852026-03-21 → 2026-03-23 · 2 obs

● 2026-03-21 06:52:18
● 2026-03-23 11:14:50

○CNAMEbeia.pk571.com2017-12-11 → 2017-12-11 · 3 obs

● 2017-12-11 23:57:44
○ 2026-03-21 06:52:18
○ 2026-03-23 11:14:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
k12350.com	pdns104.ultradns.net, pdns104.ultradns.com, pdns104.ultradns.biz, pdns104.ultradns.org	2 records

✅ Authoritative Response

Server:156.154.65.104

NS records: pdns104.ultradns.net, pdns104.ultradns.com, pdns104.ultradns.biz, pdns104.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for k12350.com (unsigned zone)

⏱️ Timing

Total: 622ms | Queries: -

📄 Records

Type	Count	Sample Data
A	6	`43.198.198.107, 54.46.75.85...`
NS	4	`edns153.ultradns.biz, edns153.ultradns.com...`
SOA	1	`edns153.ultradns.com zhanghang8819.gmail`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns104.ultradns.com, pdns104.ultradns.com)

Analysis

IP Addresses

k12350.com maps to six IP numbers: 18.166.174.197, 43.198.198.107, 54.46.75.85, 154.218.0.35, 156.240.110.244 and 156.240.110.248.

Other host names such as 3048k.com, kai991.com, 4102k.com, 7641k.com and 554k.net share IPs with k12350.com.

Name Servers

k12350.com is delegated to eight name servers: edns153.ultradns.biz, pdns104.ultradns.biz, edns153.ultradns.com, pdns104.ultradns.com, edns153.ultradns.net, pdns104.ultradns.net, edns153.ultradns.org and pdns104.ultradns.org.

k12350.com at least partially shares name servers with other domains, for example 5019y.com, 91ayx.com, 3197y.com, jy2810.com and leyu6307.com.