mail.workingknowledgeps.com - dns.ninja

`mail.workingknowledgeps.com`

DNSSEC	⚠️ Not signed
A	3.131.150.69^{🇺🇸 Amazon3.131.0.0/16 EC2 CMH prefix}
		PTR	`ec2-3-131-150-69.us-east-2.compute.amazonaws.com`

`workingknowledgeps.com`

	DNSSEC	⚠️ Not signed
	A	3.131.150.69^{🇺🇸 Amazon3.131.0.0/16 EC2 CMH prefix}
	NS	`ns1.dnsimple.com` ⭐
	NS	`ns2.dnsimple.com`
	NS	`ns3.dnsimple.com`
	NS	`ns4.dnsimple-edge.org`
	SOA	`ns1.dnsimple.com`admin@dnsimple.com serial=1676233970

Previously MX for

workingknowledgeps.com

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DNS History

2 records (1 active, 1 former)

○A142.4.4.132017-12-14 → 2017-12-14 · 3 obs

● 2017-12-14 04:17:48
○ 2026-02-22 08:08:04
○ 2026-08-08 19:31:44

●A3.131.150.692026-02-22 → 2026-08-08 · 3 obs

○ 2017-12-14 04:17:48
● 2026-02-22 08:08:04
● 2026-08-08 19:31:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
workingknowledgeps.com	ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org	6 records

✅ Authoritative Response

Server:199.247.154.53

NS records: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workingknowledgeps.com (unsigned zone)

⏱️ Timing

Total: 280ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.131.150.69`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.dnsimple.com, ns1.dnsimple.com, ns2.dnsimple.com...)

Analysis

IP Addresses

mail.workingknowledgeps.com has exactly one IP address — 3.131.150.69.

captainplane.com, cardstar.com, ayapamboutiquehotel.com plus two other host names have IP numbers in common with mail.workingknowledgeps.com.