k12398.com - robtex.com

k12398.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

Subdomains

www.k12398.com

Same first word

k12398.com

Similar names

89k123.com
19k328.com

DNS History

21 records (14 active, 7 former)

201820192020202120222023202420252026NSedns153.ultradns.bizedns153.ultradns.comedns153.ultradns.netedns153.ultradns.orgpdns104.ultradns.bizpdns104.ultradns.compdns104.ultradns.netpdns104.ultradns.orgns1.22.cnA154.218.0.35156.240.110.244156.240.110.24818.166.174.19743.198.198.10754.46.75.85103.216.228.58103.216.228.5916.162.235.165202.181.1.43210.79.63.19CNAMEbeia.pk571.com
●NSedns153.ultradns.biz2026-02-26 → 2026-03-19 · 3 obs
○ 2017-12-11 23:57:46
● 2026-02-26 20:41:16
● 2026-03-19 07:46:54
●NSedns153.ultradns.com2026-02-26 → 2026-03-19 · 3 obs
○ 2017-12-11 23:57:46
● 2026-02-26 20:41:16
● 2026-03-19 07:46:54
●NSedns153.ultradns.net2026-02-26 → 2026-03-19 · 3 obs
○ 2017-12-11 23:57:46
● 2026-02-26 20:41:16
● 2026-03-19 07:46:54
●NSedns153.ultradns.org2026-02-26 → 2026-03-19 · 3 obs
○ 2017-12-11 23:57:46
● 2026-02-26 20:41:16
● 2026-03-19 07:46:54
○NSns1.22.cn2017-12-11 → 2017-12-11 · 3 obs
● 2017-12-11 23:57:46
○ 2026-02-26 20:41:16
○ 2026-03-19 07:46:54
●NSpdns104.ultradns.biz2026-02-26 → 2026-03-19 · 3 obs
○ 2017-12-11 23:57:46
● 2026-02-26 20:41:16
● 2026-03-19 07:46:54
●NSpdns104.ultradns.com2026-02-26 → 2026-03-19 · 3 obs
○ 2017-12-11 23:57:46
● 2026-02-26 20:41:16
● 2026-03-19 07:46:54
●NSpdns104.ultradns.net2026-02-26 → 2026-03-19 · 3 obs
○ 2017-12-11 23:57:46
● 2026-02-26 20:41:16
● 2026-03-19 07:46:54
●NSpdns104.ultradns.org2026-02-26 → 2026-03-19 · 3 obs
○ 2017-12-11 23:57:46
● 2026-02-26 20:41:16
● 2026-03-19 07:46:54
○A103.216.228.582026-02-26 → 2026-03-19 · 2 obs
○ 2026-02-26 20:41:16
○ 2026-03-19 07:46:54
○A103.216.228.592026-02-26 → 2026-03-19 · 2 obs
○ 2026-02-26 20:41:16
○ 2026-03-19 07:46:54
●A154.218.0.352026-03-19 → 2026-03-19 · 2 obs
○ 2026-02-26 20:41:16
● 2026-03-19 07:46:54
●A156.240.110.2442026-03-19 → 2026-03-19 · 2 obs
○ 2026-02-26 20:41:16
● 2026-03-19 07:46:54
●A156.240.110.2482026-03-19 → 2026-03-19 · 2 obs
○ 2026-02-26 20:41:16
● 2026-03-19 07:46:54
○A16.162.235.1652026-02-26 → 2026-02-26 · 2 obs
● 2026-02-26 20:41:16
○ 2026-03-19 07:46:54
●A18.166.174.1972026-02-26 → 2026-03-19 · 2 obs
● 2026-02-26 20:41:16
● 2026-03-19 07:46:54
○A202.181.1.432026-02-26 → 2026-03-19 · 2 obs
○ 2026-02-26 20:41:16
○ 2026-03-19 07:46:54
○A210.79.63.192026-02-26 → 2026-03-19 · 2 obs
○ 2026-02-26 20:41:16
○ 2026-03-19 07:46:54
●A43.198.198.1072026-02-26 → 2026-03-19 · 2 obs
● 2026-02-26 20:41:16
● 2026-03-19 07:46:54
●A54.46.75.852026-02-26 → 2026-03-19 · 2 obs
● 2026-02-26 20:41:16
● 2026-03-19 07:46:54
○CNAMEbeia.pk571.com2017-12-11 → 2017-12-11 · 3 obs
● 2017-12-11 23:57:46
○ 2026-02-26 20:41:16
○ 2026-03-19 07:46:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net...-
k12398.compdns104.ultradns.net, pdns104.ultradns.com, pdns104.ultradns.biz, pdns104.ultradns.org2 records

✅ Authoritative Response

Server: 156.154.67.104

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for k12398.com (unsigned zone)

⏱️ Timing

Total: 663ms | Queries: -

📄 Records

TypeCountSample Data
A618.166.174.197, 154.218.0.35...
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

Hierarchy

k12398.com is parent of www.k12398.com.

IP Addresses

k12398.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, for instance 7100k.com, 4165k.com, 7660k.com, 7177y.com and y9347.com share IP numbers with k12398.com.

Name Servers

k12398.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.

k12398.com at least partially shares its name servers with other domains, for instance leyu4937.com, 1277ky.com, c6ebs.com, 7986y.com and leyu1571.com.

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

Host names with two IP numbers

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

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

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

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

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

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

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

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