`509k.net`

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	43.198.198.107^{🇭🇰 Amazon43.198.0.0/15 EC2 HKG Prefix}
A	54.46.75.85^{🇺🇸 Amazon54.46.0.0/17 EC2 HKG prefix}
A	154.218.0.35^{🇭🇰 HKMTC-AS-AP154.218.0.0/24 Hong Kong megalayer}
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}
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 2022-09-25 #3

`net`

	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=1774430792

Same first word

509k.com

509k.net

Similar names

590k.cc

905k.com

0k59.ru

k905.net

k590.com

k950.com

50k9.com

905k.org

DNS History

15 records (14 active, 1 former)

●NSedns153.ultradns.biz2026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 13:22:10
● 2026-03-25 09:27:50

●NSedns153.ultradns.com2026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 13:22:10
● 2026-03-25 09:27:50

●NSedns153.ultradns.net2026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 13:22:10
● 2026-03-25 09:27:50

●NSedns153.ultradns.org2026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 13:22:10
● 2026-03-25 09:27:50

●NSpdns104.ultradns.biz2026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 13:22:10
● 2026-03-25 09:27:50

●NSpdns104.ultradns.com2026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 13:22:10
● 2026-03-25 09:27:50

●NSpdns104.ultradns.net2026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 13:22:10
● 2026-03-25 09:27:50

●NSpdns104.ultradns.org2026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 13:22:10
● 2026-03-25 09:27:50

●A154.218.0.352026-03-09 → 2026-03-25 · 3 obs

○ 2026-02-18 13:22:10
● 2026-03-09 15:27:46
● 2026-03-25 09:27:50

●A156.240.110.2442026-03-09 → 2026-03-25 · 3 obs

○ 2026-02-18 13:22:10
● 2026-03-09 15:27:46
● 2026-03-25 09:27:50

●A156.240.110.2482026-03-09 → 2026-03-25 · 3 obs

○ 2026-02-18 13:22:10
● 2026-03-09 15:27:46
● 2026-03-25 09:27:50

○A16.162.235.1652026-02-18 → 2026-02-18 · 3 obs

● 2026-02-18 13:22:10
○ 2026-03-09 15:27:46
○ 2026-03-25 09:27:50

●A18.166.174.1972026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 13:22:10
● 2026-03-25 09:27:50

●A43.198.198.1072026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 13:22:10
● 2026-03-25 09:27:50

●A54.46.75.852026-02-18 → 2026-03-25 · 2 obs

● 2026-02-18 13:22:10
● 2026-03-25 09:27:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
509k.net	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 509k.net (unsigned zone)

⏱️ Timing

Total: 522ms | Queries: -

📄 Records

Type	Count	Sample Data
A	6	`156.240.110.248, 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.net, pdns104.ultradns.net)

Analysis

IP Addresses

Six IP numbers are pointed to by 509k.net: 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 such as k726.net, yun912.com, kai699.com, 3474k.com and 1034ky.com share IPs with 509k.net.

Name Servers

509k.net 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.

509k.net at least partially shares name servers with other domains, for instance 4762y.com, lookpo.com, 8743y.com, 1046ky.com and 121.84.74.in-addr.arpa.