`kai373.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	45.156.221.11^{🇺🇸 DDOS-PROTECTION-LTD45.156.221.0/24}
A	45.156.221.12^{🇺🇸 DDOS-PROTECTION-LTD45.156.221.0/24}
A	45.156.221.13^{🇺🇸 DDOS-PROTECTION-LTD45.156.221.0/24}
A	45.156.221.14^{🇺🇸 DDOS-PROTECTION-LTD45.156.221.0/24}
A	54.46.75.85^{🇺🇸 Amazon54.46.0.0/17 EC2 HKG prefix}
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}
A	210.79.61.18^{🇭🇰 EDTCL-HK210.79.61.0/24 EVERY DAY TECHNOLOGY CO. LIMITED UNIT 04,7/F,BRIGHT WAY TOWER,NO.33}
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 2022-09-26 #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=1785799017

Same first word

kai373.com

DNS History

19 records (17 active, 2 former)

●NSedns153.ultradns.biz2026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●NSedns153.ultradns.com2026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●NSedns153.ultradns.net2026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●NSedns153.ultradns.org2026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●NSpdns104.ultradns.biz2026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●NSpdns104.ultradns.com2026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●NSpdns104.ultradns.net2026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●NSpdns104.ultradns.org2026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●A156.240.110.2442026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●A156.240.110.2482026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

○A16.162.235.1652026-06-01 → 2026-08-03 · 2 obs

○ 2026-06-01 23:56:56
○ 2026-08-03 23:33:24

●A18.166.174.1972026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●A210.79.61.182026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

○A43.198.198.1072026-06-01 → 2026-08-03 · 2 obs

○ 2026-06-01 23:56:56
○ 2026-08-03 23:33:24

●A45.156.221.112026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●A45.156.221.122026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●A45.156.221.132026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●A45.156.221.142026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

●A54.46.75.852026-06-01 → 2026-08-03 · 2 obs

● 2026-06-01 23:56:56
● 2026-08-03 23:33:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kai373.com	pdns104.ultradns.net, pdns104.ultradns.com, pdns104.ultradns.biz, pdns104.ultradns.org	2 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 kai373.com (unsigned zone)

⏱️ Timing

Total: 638ms | Queries: -

📄 Records

Type	Count	Sample Data
A	9	`156.240.110.244, 45.156.221.11...`
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

kai373.com has 9 IP addresses — 18.166.174.197, 45.156.221.11, 45.156.221.12 and 6 more.

3192ky.com, 11277k.com, 534kai.com and two other host names share IP numbers with kai373.com.

Name Servers

kai373.com carries NS records listing 8 name servers — edns153.ultradns.biz, pdns104.ultradns.biz, edns153.ultradns.com and 5 others.

kai373.com partially shares its NS delegation with several other domains, including im1001pankoubak02.com, 306y.net, 2704ky.com and two others.

In DNS configurations, these name servers often share authority with pdns104.ultradns.com, pdns104.ultradns.net, pdns104.ultradns.org and 7 other name servers.

Hostnames that resolve to two IP addresses:

The A records for edns153.ultradns.biz return 204.74.67.153 and 2610:a1:1015::299.

The A records for pdns104.ultradns.biz return 156.154.66.104 and 2610:a1:1015::8c.

The A records for edns153.ultradns.com return 204.74.66.153 and 2001:502:f3ff::299.

The A records for pdns104.ultradns.com return 156.154.64.104 and 2001:502:f3ff::8c.

The A records for edns153.ultradns.net return 204.74.110.153 and 2610:a1:1014::299.

The A records for pdns104.ultradns.net return 156.154.65.104 and 2610:a1:1014::8c.

The A records for edns153.ultradns.org return 204.74.111.153 and 2001:502:4612::299.

The A records for pdns104.ultradns.org return 156.154.67.104 and 2001:502:4612::8c.