`aws.cu-dev.nl`

CNAME	`aws.cu-dev.nl.s3.amazonaws.com`
CNAME	`s3-1-w.amazonaws.com`
CNAME	`s3-w.us-east-1.amazonaws.com`
DNSSEC	⚠️ Not signed
A	3.5.6.130^{🇺🇸 Amazon3.5.6.0/24 EC2 Prefix}
		PTR	`s3-1-w.amazonaws.com`
A	3.5.25.230^{🇺🇸 Amazon3.5.25.0/24 EC2 Prefix}
A	3.5.27.172^{🇺🇸 Amazon3.5.27.0/24 EC2 Prefix}
A	3.5.27.205^{🇺🇸 Amazon3.5.27.0/24 EC2 Prefix}
A	16.15.177.253^{🇺🇸 Amazon16.15.176.0/21 EC2 Prefix}
A	16.182.73.161^{🇺🇸 Amazon16.182.73.0/24}
A	52.216.219.233^{🇺🇸 Amazon52.216.208.0/20 AWS S3}
A	52.216.239.11^{🇺🇸 Amazon52.216.239.0/24 AWS S3}
NS	`ns-328.awsdns-41.com` ⭐
		A	2600:9000:5301:4800::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-328.awsdns-41.com`
		A	205.251.193.72^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-328.awsdns-41.com`
NS	`ns-1173.awsdns-18.org`
		A	2600:9000:5304:9500::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1173.awsdns-18.org`
		A	205.251.196.149^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1173.awsdns-18.org`
NS	`ns-1620.awsdns-10.co.uk`
		A	2600:9000:5306:5400::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1620.awsdns-10.co.uk`
		A	205.251.198.84^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1620.awsdns-10.co.uk`
NS	`ns-674.awsdns-20.net`
		A	2600:9000:5302:a200::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-674.awsdns-20.net`
		A	205.251.194.162^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-674.awsdns-20.net`
TXT	`38361f7847dfc47d25ea018cc49d2d4b`
SOA	`ns-328.awsdns-41.com`awsdns-hostmaster@amazon.com serial=1

`cu-dev.nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.transip.net` ⭐ 🔒
	NS	`ns1.transip.nl` 🔒
	NS	`ns2.transip.eu` 🔒
	MX	`mail.cu-dev.nl` ⭐
	TXT	`v=spf1 a mx include:_spf.hostnet.nl -all`
	SOA	`ns0.transip.net`hostmaster@transip.nl 2023-10-23 #0

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DNS History

1 record (1 active, 0 former)

●CNAMEaws.cu-dev.nl.s3.amazonaws.com2026-02-28 → 2026-02-28 · 2 obs

● 2026-02-28 18:10:42
● 2026-02-28 18:10:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
cu-dev.nl	ns0.transip.net, ns1.transip.nl, ns2.transip.eu	2 records

✅ Authoritative Response

Server: 195.135.195.195

NS records: ns0.transip.net, ns1.transip.nl, ns2.transip.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1055ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`aws.cu-dev.nl.s3.amazonaws.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.transip.nl, ns1.transip.nl)

Analysis

IP Addresses

Eight IP numbers are pointed to by aws.cu-dev.nl: 3.5.6.130, 3.5.25.230, 3.5.27.172, 3.5.27.205, 16.15.177.253, 16.182.73.161, 52.216.219.233 and 52.216.239.11.

Other host names share IP numbers with aws.cu-dev.nl; for instance s3-w.us-east-1.amazonaws.com.

Name Servers

aws.cu-dev.nl is delegated to four name servers: ns-328.awsdns-41.com, ns-674.awsdns-20.net, ns-1173.awsdns-18.org and ns-1620.awsdns-10.co.uk.

aws.cu-dev.nl shares some name servers with other domains, for example cobatech.be, minorscale.net, tammieanncreative.com, cnni.com.mx and pbj2.net.

These name servers are often used together with ns-892.awsdns-47.net, ns-1435.awsdns-51.org and ns-1560.awsdns-03.co.uk.

Host names with two IP numbers

Two IPs per host:

ns-328.awsdns-41.com points to 2600:9000:5301:4800::1 and 205.251.193.72

ns-674.awsdns-20.net points to 2600:9000:5302:a200::1 and 205.251.194.162

ns-1173.awsdns-18.org points to 2600:9000:5304:9500::1 and 205.251.196.149

ns-1620.awsdns-10.co.uk points to 2600:9000:5306:5400::1 and 205.251.198.84

aws.cu-dev.nl - robtex.com

aws.cu-dev.nl

cu-dev.nl