`dolphinreader.net`

DNSSEC	⚠️ Not signed
A	13.219.152.69^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
		PTR	`ec2-13-219-152-69.compute-1.amazonaws.com`
A	52.21.125.174^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
NS	`ns-1135.awsdns-13.org` ⭐
		A	2600:9000:5304:6f00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1135.awsdns-13.org`
		A	205.251.196.111^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1135.awsdns-13.org`
NS	`ns-1769.awsdns-29.co.uk`
		A	2600:9000:5306:e900::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1769.awsdns-29.co.uk`
		A	205.251.198.233^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1769.awsdns-29.co.uk`
NS	`ns-3.awsdns-00.com`
		A	2600:9000:5300:300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-3.awsdns-00.com`
		A	205.251.192.3^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-3.awsdns-00.com`
NS	`ns-678.awsdns-20.net`
		A	2600:9000:5302:a600::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-678.awsdns-20.net`
		A	205.251.194.166^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-678.awsdns-20.net`
SOA	`ns-1135.awsdns-13.org`awsdns-hostmaster@amazon.com serial=1

`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=1771291465

DNS History

6 records (6 active, 0 former)

●NSns-1135.awsdns-13.org2026-03-09 → 2026-03-09 · 2 obs

● 2026-03-09 15:39:40
● 2026-03-09 15:39:42

●NSns-1769.awsdns-29.co.uk2026-03-09 → 2026-03-09 · 2 obs

● 2026-03-09 15:39:40
● 2026-03-09 15:39:42

●NSns-3.awsdns-00.com2026-03-09 → 2026-03-09 · 2 obs

● 2026-03-09 15:39:40
● 2026-03-09 15:39:42

●NSns-678.awsdns-20.net2026-03-09 → 2026-03-09 · 2 obs

● 2026-03-09 15:39:40
● 2026-03-09 15:39:42

●A13.219.152.692026-03-09 → 2026-03-09 · 2 obs

● 2026-03-09 15:39:40
● 2026-03-09 15:39:42

●A52.21.125.1742026-03-09 → 2026-03-09 · 2 obs

● 2026-03-09 15:39:40
● 2026-03-09 15:39:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
dolphinreader.net	ns-3.awsdns-00.com, ns-678.awsdns-20.net, ns-1135.awsdns-13.org, ns-1769.awsdns-29.co.uk	1 record

✅ Authoritative Response

Server: 205.251.198.233

NS records: ns-3.awsdns-00.com, ns-678.awsdns-20.net, ns-1135.awsdns-13.org, ns-1769.awsdns-29.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dolphinreader.net (unsigned zone)

⏱️ Timing

Total: 514ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.219.152.69, 52.21.125.174`
NS	4	`ns-1135.awsdns-13.org, ns-1769.awsdns-29.co.uk...`
SOA	1	`ns-1135.awsdns-13.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-678.awsdns-20.net)

Analysis

IP Addresses

dolphinreader.net resolves to two IP numbers: 13.219.152.69 and 52.21.125.174.

Other host names share IP numbers with dolphinreader.net; for instance ec2-52-21-125-174.compute-1.amazonaws.com.

Name Servers

dolphinreader.net is delegated to four name servers: ns-3.awsdns-00.com, ns-678.awsdns-20.net, ns-1135.awsdns-13.org and ns-1769.awsdns-29.co.uk.

dolphinreader.net shares some name servers with other domains, for example ecorobotix.com, origin-sellercentral.amazon.co.uk, shire.es, hittabira.se and mydoc4health.com.

These name servers are commonly used together with ns-2022.awsdns-60.co.uk and ns-507.awsdns-63.com.

Host names with two IP numbers

Two IPs per host:

ns-3.awsdns-00.com points to 2600:9000:5300:300::1 and 205.251.192.3

ns-678.awsdns-20.net points to 2600:9000:5302:a600::1 and 205.251.194.166

ns-1135.awsdns-13.org points to 2600:9000:5304:6f00::1 and 205.251.196.111

ns-1769.awsdns-29.co.uk points to 2600:9000:5306:e900::1 and 205.251.198.233

dolphinreader.net - robtex.com