`2751ky.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=1785433422

⚠️ On DNS blocklist: tif

Same first word

2751ky.com

Similar names

2517ky.com

2175ky.com

2715ky.com

DNS History

21 records (17 active, 4 former)

●NSedns153.ultradns.biz2026-07-26 → 2026-07-30 · 3 obs

○ 2016-09-24 07:38:40
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●NSedns153.ultradns.com2026-07-26 → 2026-07-30 · 3 obs

○ 2016-09-24 07:38:40
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●NSedns153.ultradns.net2026-07-26 → 2026-07-30 · 3 obs

○ 2016-09-24 07:38:40
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●NSedns153.ultradns.org2026-07-26 → 2026-07-30 · 3 obs

○ 2016-09-24 07:38:40
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

○NSf1g1ns1.dnspod.net2015-09-17 → 2015-10-17 · 4 obs

● 2015-09-17 03:00:04
● 2015-10-17 13:35:00
○ 2016-09-24 07:38:40
○ 2026-07-30 17:56:12

○NSf1g1ns2.dnspod.net2015-09-17 → 2015-10-17 · 4 obs

● 2015-09-17 03:00:04
● 2015-10-17 13:35:00
○ 2016-09-24 07:38:40
○ 2026-07-30 17:56:12

●NSpdns104.ultradns.biz2026-07-26 → 2026-07-30 · 3 obs

○ 2016-09-24 07:38:40
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●NSpdns104.ultradns.com2026-07-26 → 2026-07-30 · 3 obs

○ 2016-09-24 07:38:40
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●NSpdns104.ultradns.net2026-07-26 → 2026-07-30 · 3 obs

○ 2016-09-24 07:38:40
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●NSpdns104.ultradns.org2026-07-26 → 2026-07-30 · 3 obs

○ 2016-09-24 07:38:40
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

○A112.121.183.1472015-09-19 → 2015-09-19 · 4 obs

○ 2015-09-17 03:00:04
● 2015-09-19 04:20:48
○ 2015-10-17 13:35:00
○ 2026-07-30 17:56:12

○A118.193.209.2432015-09-17 → 2015-09-17 · 3 obs

● 2015-09-17 03:00:04
○ 2015-09-19 04:20:48
○ 2026-07-30 17:56:12

●A156.240.110.2442026-07-26 → 2026-07-30 · 3 obs

○ 2015-10-17 13:35:00
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●A156.240.110.2482026-07-26 → 2026-07-30 · 3 obs

○ 2015-10-17 13:35:00
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●A18.166.174.1972026-07-26 → 2026-07-30 · 3 obs

○ 2015-10-17 13:35:00
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●A210.79.61.182026-07-26 → 2026-07-30 · 3 obs

○ 2015-10-17 13:35:00
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●A45.156.221.112026-07-26 → 2026-07-30 · 3 obs

○ 2015-10-17 13:35:00
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●A45.156.221.122026-07-26 → 2026-07-30 · 3 obs

○ 2015-10-17 13:35:00
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●A45.156.221.132026-07-26 → 2026-07-30 · 3 obs

○ 2015-10-17 13:35:00
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●A45.156.221.142026-07-26 → 2026-07-30 · 3 obs

○ 2015-10-17 13:35:00
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

●A54.46.75.852026-07-26 → 2026-07-30 · 3 obs

○ 2015-10-17 13:35:00
● 2026-07-26 09:55:48
● 2026-07-30 17:56:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
2751ky.com	pdns104.ultradns.net, pdns104.ultradns.com, pdns104.ultradns.biz, pdns104.ultradns.org	2 records

✅ Authoritative Response

Server:156.154.66.104

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 2751ky.com (unsigned zone)

⏱️ Timing

Total: 488ms | Queries: -

📄 Records

Type	Count	Sample Data
A	9	`45.156.221.12, 45.156.221.14...`
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

2751ky.com has 9 IP addresses — 18.166.174.197, 45.156.221.11, 45.156.221.12 and 6 more.

363y.net, 10042ky.com, 532y.net and two other host names share IP numbers with 2751ky.com.

Name Servers

DNS for 2751ky.com is handled by 8 name servers: edns153.ultradns.biz, pdns104.ultradns.biz, edns153.ultradns.com and 5 others.

2751ky.com partially shares its NS delegation with several other domains, including 4152y.com, xk588.com, 2126ky.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:

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.