`2571ky.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 2022-12-19 #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=1785747112

⚠️ On DNS blocklist: gambling

Same first word

2571ky.com

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1725ky.com

2517ky.com

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2157ky.com

DNS History

17 records (17 active, 0 former)

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

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

● 2026-08-01 22:40:38
● 2026-08-03 09:10:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
2571ky.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 2571ky.com (unsigned zone)

⏱️ Timing

Total: 498ms | Queries: -

📄 Records

Type	Count	Sample Data
A	9	`45.156.221.14, 210.79.61.18...`
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

2571ky.com points to 9 IP addresses, including 18.166.174.197, 45.156.221.11 and 45.156.221.12, plus 6 other.

kai708.com, 10260ky.com, 270kaiyun.net plus two other host names have IP numbers in common with 2571ky.com.

Name Servers

2571ky.com has 8 name servers — edns153.ultradns.biz, pdns104.ultradns.biz, edns153.ultradns.com and 5 others.

The name servers of 2571ky.com overlap at least partially with those of other domains — among them 65bob.com, 2797ky.com, aibet7.com and two more.

These name servers commonly appear in delegations together with pdns104.ultradns.com, pdns104.ultradns.net, pdns104.ultradns.org and 6 other.

Host names pointing to two IP addresses:

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

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

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

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

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

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

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

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