librodesignthinking.co - dns.ninja

`librodesignthinking.co`

DNSSEC	⚠️ Not signed
A	3.215.81.255^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
A	52.73.146.196^{🇺🇸 Amazon52.72.0.0/15 EC2 IAD prefix}
NS	`ns-1039.awsdns-01.org` ⭐
		A	2600:9000:5304:f00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1039.awsdns-01.org`
		A	205.251.196.15^{🇺🇸 Amazon205.251.196.0/24 prefix}
NS	`ns-1543.awsdns-00.co.uk`
		A	2600:9000:5306:700::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1543.awsdns-00.co.uk`
		A	205.251.198.7^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1543.awsdns-00.co.uk`
NS	`ns-354.awsdns-44.com`
		A	2600:9000:5301:6200::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-354.awsdns-44.com`
		A	205.251.193.98^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-354.awsdns-44.com`
NS	`ns-737.awsdns-28.net`
		A	2600:9000:5302:e100::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-737.awsdns-28.net`
		A	205.251.194.225^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-737.awsdns-28.net`
SOA	`ns-1039.awsdns-01.org`awsdns-hostmaster@amazon.com serial=1

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759694378

Same first word

librodesignthinking.co

librodesignthinking.it

DNS History

13 records (6 active, 7 former)

●NSns-1039.awsdns-01.org2026-03-02 → 2026-06-30 · 2 obs

● 2026-03-02 05:51:26
● 2026-06-30 18:33:36

●NSns-1543.awsdns-00.co.uk2026-03-02 → 2026-06-30 · 2 obs

● 2026-03-02 05:51:26
● 2026-06-30 18:33:36

●NSns-354.awsdns-44.com2026-03-02 → 2026-06-30 · 2 obs

● 2026-03-02 05:51:26
● 2026-06-30 18:33:36

●NSns-737.awsdns-28.net2026-03-02 → 2026-06-30 · 2 obs

● 2026-03-02 05:51:26
● 2026-06-30 18:33:36

○A100.51.23.1852026-04-18 → 2026-04-18 · 4 obs

○ 2026-03-02 05:51:26
● 2026-04-18 05:22:04
○ 2026-06-27 09:33:46
○ 2026-06-30 18:33:36

○A18.205.177.1402026-04-18 → 2026-04-18 · 4 obs

○ 2026-03-02 05:51:26
● 2026-04-18 05:22:04
○ 2026-06-27 09:33:46
○ 2026-06-30 18:33:36

○A18.214.27.2062026-03-02 → 2026-03-02 · 3 obs

● 2026-03-02 05:51:26
○ 2026-04-18 05:22:04
○ 2026-06-30 18:33:36

●A3.215.81.2552026-06-27 → 2026-06-30 · 3 obs

○ 2026-04-18 05:22:04
● 2026-06-27 09:33:46
● 2026-06-30 18:33:36

○A3.93.255.1712026-03-02 → 2026-06-30 · 2 obs

○ 2026-03-02 05:51:26
○ 2026-06-30 18:33:36

○A32.195.223.2372026-06-27 → 2026-06-27 · 4 obs

○ 2026-04-18 05:22:04
● 2026-06-27 09:33:46
○ 2026-06-30 18:33:32
○ 2026-06-30 18:33:36

○A44.209.191.502026-03-02 → 2026-03-02 · 3 obs

● 2026-03-02 05:51:26
○ 2026-04-18 05:22:04
○ 2026-06-30 18:33:36

●A52.73.146.1962026-06-30 → 2026-06-30 · 3 obs

○ 2026-06-27 09:33:46
● 2026-06-30 18:33:32
● 2026-06-30 18:33:36

○A54.91.147.2182026-03-02 → 2026-06-30 · 2 obs

○ 2026-03-02 05:51:26
○ 2026-06-30 18:33:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
librodesignthinking.co	ns-1039.awsdns-01.org, ns-354.awsdns-44.com, ns-737.awsdns-28.net, ns-1543.awsdns-00.co.uk	-

✅ Authoritative Response

Server:205.251.198.7

NS records: ns-1039.awsdns-01.org, ns-354.awsdns-44.com, ns-737.awsdns-28.net, ns-1543.awsdns-00.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for librodesignthinking.co (unsigned zone)

⏱️ Timing

Total: 389ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`52.73.146.196, 3.215.81.255`
NS	4	`ns-1039.awsdns-01.org, ns-1543.awsdns-00.co.uk...`
SOA	1	`ns-1039.awsdns-01.org awsdns-hostmaster.`

Analysis

IP Addresses

librodesignthinking.co has two IP addresses: 3.215.81.255 and 52.73.146.196

Among the host names that share IP numbers with librodesignthinking.co is ec2-3-215-81-255.compute-1.amazonaws.com, as one example.

Name Servers

The NS records for librodesignthinking.co point to four name servers: ns-354.awsdns-44.com, ns-737.awsdns-28.net, ns-1039.awsdns-01.org and ns-1543.awsdns-00.co.uk.

The name servers of librodesignthinking.co overlap at least partially with those of other domains — among them b.la9.jp, vigglo.com, edgetaxaccounting.com and two more.

The name servers ns-1300.awsdns-34.org, ns1.getnetset.com, ns2.getnetset.com and two others are commonly seen in use alongside these name servers.

Each of the four hosts ns-354.awsdns-44.com, ns-737.awsdns-28.net, ns-1039.awsdns-01.org and ns-1543.awsdns-00.co.uk has two IP addresses. ns-354.awsdns-44.com points to 205.251.193.98 and 2600:9000:5301:6200::1. ns-737.awsdns-28.net points to 205.251.194.225 and 2600:9000:5302:e100::1. ns-1039.awsdns-01.org points to 205.251.196.15 and 2600:9000:5304:f00::1. ns-1543.awsdns-00.co.uk points to 205.251.198.7 and 2600:9000:5306:700::1.