k12350.com - robtex.com

k12350.com

DNSSEC⚠️ Not signed
A18.166.174.197🇭🇰 Amazon18.166.0.0/15 EC2 HKG prefix
PTRec2-18-166-174-197.ap-east-1.compute.amazonaws.com
A43.198.198.107🇭🇰 Amazon43.198.0.0/15 EC2 HKG Prefix
A54.46.75.85🇺🇸 Amazon54.46.0.0/17 EC2 HKG prefix
A154.218.0.35🇭🇰 HKMTC-AS-AP154.218.0.0/24 Hong Kong megalayer
A156.240.110.244🇭🇰 HKCICL-AS-AP156.240.110.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED
A156.240.110.248🇭🇰 HKCICL-AS-AP156.240.110.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED
NSedns153.ultradns.com ⭐ ⚠️ Not in parent delegation
A2001:502:f3ff::299🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRedns153.ultradns.com
A204.74.66.153🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar
PTRedns153.ultradns.com
NSedns153.ultradns.biz ⚠️ Not in parent delegation
A2610:a1:1015::299🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRedns153.ultradns.biz
A204.74.67.153🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar
PTRedns153.ultradns.biz
NSedns153.ultradns.net ⚠️ Not in parent delegation
A2610:a1:1014::299🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRedns153.ultradns.net
A204.74.110.153🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar
PTRedns153.ultradns.net
NSedns153.ultradns.org ⚠️ Not in parent delegation
A2001:502:4612::299🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRedns153.ultradns.org
A204.74.111.153🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar
PTRedns153.ultradns.org
NSpdns104.ultradns.biz ⚠️ Not in zone NS records
A2610:a1:1015::8c🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns104.ultradns.biz
A156.154.66.104🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRpdns104.ultradns.biz
NSpdns104.ultradns.com ⚠️ Not in zone NS records
A2001:502:f3ff::8c🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns104.ultradns.com
A156.154.64.104🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRpdns104.ultradns.com
NSpdns104.ultradns.net ⚠️ Not in zone NS records
A2610:a1:1014::8c🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns104.ultradns.net
A156.154.65.104🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRpdns104.ultradns.net
NSpdns104.ultradns.org ⚠️ Not in zone NS records
A2001:502:4612::8c🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns104.ultradns.org
A156.154.67.104🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRpdns104.ultradns.org
SOAedns153.ultradns.comzhanghang8819@gmail.com 2023-08-12 #3

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Similar names

10325k.com
23k150.com
10253k.com

DNS History

16 records (14 active, 2 former)

201820192020202120222023202420252026NSedns153.ultradns.bizedns153.ultradns.comedns153.ultradns.netedns153.ultradns.orgpdns104.ultradns.bizpdns104.ultradns.compdns104.ultradns.netpdns104.ultradns.orgns1.22.cnA154.218.0.35156.240.110.244156.240.110.24818.166.174.19743.198.198.10754.46.75.85CNAMEbeia.pk571.com
●NSedns153.ultradns.biz2026-03-21 → 2026-03-21 · 3 obs
○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
●NSedns153.ultradns.com2026-03-21 → 2026-03-21 · 3 obs
○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
●NSedns153.ultradns.net2026-03-21 → 2026-03-21 · 3 obs
○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
●NSedns153.ultradns.org2026-03-21 → 2026-03-21 · 3 obs
○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
○NSns1.22.cn2017-12-11 → 2017-12-11 · 3 obs
● 2017-12-11 23:57:44
○ 2026-03-21 06:52:18
○ 2026-03-21 06:52:20
●NSpdns104.ultradns.biz2026-03-21 → 2026-03-21 · 3 obs
○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
●NSpdns104.ultradns.com2026-03-21 → 2026-03-21 · 3 obs
○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
●NSpdns104.ultradns.net2026-03-21 → 2026-03-21 · 3 obs
○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
●NSpdns104.ultradns.org2026-03-21 → 2026-03-21 · 3 obs
○ 2017-12-11 23:57:44
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
●A154.218.0.352026-03-21 → 2026-03-21 · 2 obs
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
●A156.240.110.2442026-03-21 → 2026-03-21 · 2 obs
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
●A156.240.110.2482026-03-21 → 2026-03-21 · 2 obs
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
●A18.166.174.1972026-03-21 → 2026-03-21 · 2 obs
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
●A43.198.198.1072026-03-21 → 2026-03-21 · 2 obs
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
●A54.46.75.852026-03-21 → 2026-03-21 · 2 obs
● 2026-03-21 06:52:18
● 2026-03-21 06:52:20
○CNAMEbeia.pk571.com2017-12-11 → 2017-12-11 · 3 obs
● 2017-12-11 23:57:44
○ 2026-03-21 06:52:18
○ 2026-03-21 06:52:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
k12350.compdns104.ultradns.net, pdns104.ultradns.com, pdns104.ultradns.biz, pdns104.ultradns.org2 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: 744ms | Queries: -

📄 Records

TypeCountSample Data
A6156.240.110.244, 18.166.174.197...
NS4edns153.ultradns.biz, edns153.ultradns.com...
SOA1edns153.ultradns.com zhanghang8819.gmail

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

k12350.com points 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, for instance 3048k.com, kai991.com, 4102k.com, 7641k.com and 554k.net share IP numbers 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 shares some name servers with other domains, for example 5019y.com, 91ayx.com, 3197y.com, jy2810.com and leyu6307.com.

These name servers are commonly used with edns152.ultradns.biz, edns152.ultradns.com, edns152.ultradns.net, edns152.ultradns.org and ns1.mcomdc.com.

Host names with two IP numbers:

edns153.ultradns.biz points to 2610:a1:1015::299 and 204.74.67.153

pdns104.ultradns.biz points to 2610:a1:1015::8c and 156.154.66.104

edns153.ultradns.com points to 2001:502:f3ff::299 and 204.74.66.153

pdns104.ultradns.com points to 2001:502:f3ff::8c and 156.154.64.104

edns153.ultradns.net points to 2610:a1:1014::299 and 204.74.110.153

pdns104.ultradns.net points to 2610:a1:1014::8c and 156.154.65.104

edns153.ultradns.org points to 2001:502:4612::299 and 204.74.111.153

pdns104.ultradns.org points to 2001:502:4612::8c and 156.154.67.104