🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`postmaster.ku1.net`

DNSSEC	⚠️ Not signed
A	54.215.31.113^{🇺🇸 Amazon54.215.0.0/17 EC2 SFO prefix}
		PTR	`ec2-54-215-31-113.us-west-1.compute.amazonaws.com`

`ku1.net`

	DNSSEC	⚠️ Not signed
	A	54.215.31.113^{🇺🇸 Amazon54.215.0.0/17 EC2 SFO prefix}
	NS	`ns1.dyna-ns.net` ⭐
	NS	`ns2.dyna-ns.net`
	SOA	`ns1.dyna-ns.net`hostmaster@ku1.net 2026-07-23 #2

Same first word

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DNS History

2 records (1 active, 1 former)

○A174.36.254.2082015-07-02 → 2016-04-14 · 4 obs

● 2015-07-02 17:46:32
● 2016-04-14 23:52:16
○ 2026-03-14 17:25:08
○ 2026-08-17 01:28:18

●A54.215.31.1132026-03-14 → 2026-08-17 · 3 obs

○ 2016-04-14 23:52:16
● 2026-03-14 17:25:08
● 2026-08-17 01:28:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ku1.net	ns2.dyna-ns.net, ns1.dyna-ns.net	4 records

✅ Authoritative Response

Server:162.159.25.5

NS records: ns2.dyna-ns.net, ns1.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ku1.net (unsigned zone)

⏱️ Timing

Total: 413ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.215.31.113`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.dyna-ns.net, ns2.dyna-ns.net, ns1.dyna-ns.net...)

Analysis

IP Addresses

postmaster.ku1.net points to a single IP number: 54.215.31.113.

Additional host names — www.wagermadness.com, reviewk.com, qualityherbalsupplements.com and two others — share IP numbers with postmaster.ku1.net.

postmaster.ku1.net - robtex.com