`2519ky.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=1785394692

⚠️ On DNS blocklist: tif

Same first word

2519ky.com

Similar names

2195ky.com

2591ky.com

1259ky.com

2159ky.com

2951ky.com

2915ky.com

DNS History

17 records (17 active, 0 former)

●NSedns153.ultradns.biz2026-07-27 → 2026-07-30 · 2 obs

● 2026-07-27 03:22:54
● 2026-07-30 07:03:56

●NSedns153.ultradns.com2026-07-27 → 2026-07-30 · 2 obs

● 2026-07-27 03:22:54
● 2026-07-30 07:03:56

●NSedns153.ultradns.net2026-07-27 → 2026-07-30 · 2 obs

● 2026-07-27 03:22:54
● 2026-07-30 07:03:56

●NSedns153.ultradns.org2026-07-27 → 2026-07-30 · 2 obs

● 2026-07-27 03:22:54
● 2026-07-30 07:03:56

●NSpdns104.ultradns.biz2026-07-27 → 2026-07-30 · 2 obs

● 2026-07-27 03:22:54
● 2026-07-30 07:03:56

●NSpdns104.ultradns.com2026-07-27 → 2026-07-30 · 2 obs

● 2026-07-27 03:22:54
● 2026-07-30 07:03:56

●NSpdns104.ultradns.net2026-07-27 → 2026-07-30 · 2 obs

● 2026-07-27 03:22:54
● 2026-07-30 07:03:56

●NSpdns104.ultradns.org2026-07-27 → 2026-07-30 · 2 obs

● 2026-07-27 03:22:54
● 2026-07-30 07:03:56

●A156.240.110.2442026-07-27 → 2026-07-30 · 3 obs

● 2026-07-27 03:22:54
○ 2026-07-29 12:33:58
● 2026-07-30 07:03:56

●A156.240.110.2482026-07-27 → 2026-07-30 · 3 obs

● 2026-07-27 03:22:54
○ 2026-07-29 12:33:58
● 2026-07-30 07:03:56

●A18.166.174.1972026-07-27 → 2026-07-30 · 3 obs

● 2026-07-27 03:22:54
○ 2026-07-29 12:33:58
● 2026-07-30 07:03:56

●A210.79.61.182026-07-27 → 2026-07-30 · 3 obs

● 2026-07-27 03:22:54
○ 2026-07-29 12:33:58
● 2026-07-30 07:03:56

●A45.156.221.112026-07-27 → 2026-07-30 · 3 obs

● 2026-07-27 03:22:54
○ 2026-07-29 12:33:58
● 2026-07-30 07:03:56

●A45.156.221.122026-07-27 → 2026-07-30 · 3 obs

● 2026-07-27 03:22:54
○ 2026-07-29 12:33:58
● 2026-07-30 07:03:56

●A45.156.221.132026-07-27 → 2026-07-30 · 3 obs

● 2026-07-27 03:22:54
○ 2026-07-29 12:33:58
● 2026-07-30 07:03:56

●A45.156.221.142026-07-27 → 2026-07-30 · 3 obs

● 2026-07-27 03:22:54
○ 2026-07-29 12:33:58
● 2026-07-30 07:03:56

●A54.46.75.852026-07-27 → 2026-07-30 · 3 obs

● 2026-07-27 03:22:54
○ 2026-07-29 12:33:58
● 2026-07-30 07:03:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
2519ky.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 2519ky.com (unsigned zone)

⏱️ Timing

Total: 412ms | Queries: -

📄 Records

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

2519ky.com resolves to 9 IP numbers: 18.166.174.197, 45.156.221.11, 45.156.221.12 and 6 other.

Additional host names — 2529ky.com, 251y.net, 2377ky.com and two others — share IP numbers with 2519ky.com.

Name Servers

DNS for 2519ky.com is handled by 8 name servers: edns153.ultradns.biz, pdns104.ultradns.biz, edns153.ultradns.com and 5 others.

2519ky.com partially shares its NS delegation with several other domains, including 2421ky.com, kaiy56.com, 10017k.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.

Host names with two IP numbers:

edns153.ultradns.biz has two IP addresses: 204.74.67.153 and 2610:a1:1015::299.

pdns104.ultradns.biz has two IP addresses: 156.154.66.104 and 2610:a1:1015::8c.

edns153.ultradns.com has two IP addresses: 204.74.66.153 and 2001:502:f3ff::299.

pdns104.ultradns.com has two IP addresses: 156.154.64.104 and 2001:502:f3ff::8c.

edns153.ultradns.net has two IP addresses: 204.74.110.153 and 2610:a1:1014::299.

pdns104.ultradns.net has two IP addresses: 156.154.65.104 and 2610:a1:1014::8c.

edns153.ultradns.org has two IP addresses: 204.74.111.153 and 2001:502:4612::299.

pdns104.ultradns.org has two IP addresses: 156.154.67.104 and 2001:502:4612::8c.