`usabilitybook.com`

DNSSEC	⚠️ Not signed
A	2600:1901:0:a965::1^{🇺🇸 Google2600:1901::/32}
A	35.201.127.164^{🇺🇸 Google35.200.0.0/15}
NS	`ns-1524.awsdns-62.org` ⭐
		A	2600:9000:5305:f400::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1524.awsdns-62.org`
		A	205.251.197.244^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1524.awsdns-62.org`
NS	`ns-134.awsdns-16.com`
		A	2600:9000:5300:8600::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-134.awsdns-16.com`
		A	205.251.192.134^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-134.awsdns-16.com`
NS	`ns-1910.awsdns-46.co.uk`
		A	2600:9000:5307:7600::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1910.awsdns-46.co.uk`
		A	205.251.199.118^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1910.awsdns-46.co.uk`
NS	`ns-805.awsdns-36.net`
		A	2600:9000:5303:2500::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-805.awsdns-36.net`
		A	205.251.195.37^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-805.awsdns-36.net`
SOA	`ns-1524.awsdns-62.org`awsdns-hostmaster@amazon.com serial=1

`com`

	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=1774573297

⚠️ On DNS blocklist: multi, pro, pro.plus, ultimate

Same first word

usabilitybook.com

DNS History

13 records (6 active, 7 former)

●NSns-134.awsdns-16.com2026-03-22 → 2026-03-27 · 3 obs

○ 2017-12-25 04:14:18
● 2026-03-22 22:59:50
● 2026-03-27 01:13:26

●NSns-1524.awsdns-62.org2026-03-22 → 2026-03-27 · 3 obs

○ 2017-12-25 04:14:18
● 2026-03-22 22:59:50
● 2026-03-27 01:13:26

●NSns-1910.awsdns-46.co.uk2026-03-22 → 2026-03-27 · 3 obs

○ 2017-12-25 04:14:18
● 2026-03-22 22:59:50
● 2026-03-27 01:13:26

●NSns-805.awsdns-36.net2026-03-22 → 2026-03-27 · 3 obs

○ 2017-12-25 04:14:18
● 2026-03-22 22:59:50
● 2026-03-27 01:13:26

○NSns31.domaincontrol.com2015-06-19 → 2017-12-25 · 4 obs

● 2015-06-19 20:34:28
● 2017-12-25 04:14:18
○ 2026-03-22 22:59:50
○ 2026-03-27 01:13:26

○NSns32.domaincontrol.com2015-06-19 → 2017-12-25 · 4 obs

● 2015-06-19 20:34:28
● 2017-12-25 04:14:18
○ 2026-03-22 22:59:50
○ 2026-03-27 01:13:26

○NSpark31.secureserver.net2017-12-25 → 2017-12-25 · 4 obs

○ 2015-06-19 20:34:28
● 2017-12-25 04:14:18
○ 2026-03-22 22:59:50
○ 2026-03-27 01:13:26

○NSpark32.secureserver.net2017-12-25 → 2017-12-25 · 4 obs

○ 2015-06-19 20:34:28
● 2017-12-25 04:14:18
○ 2026-03-22 22:59:50
○ 2026-03-27 01:13:26

○MXmailstore1.secureserver.net2015-06-19 → 2017-12-25 · 4 obs

● 2015-06-19 20:34:28
● 2017-12-25 04:14:18
○ 2026-03-22 22:59:50
○ 2026-03-27 01:13:26

○MXsmtp.secureserver.net2015-06-19 → 2017-12-25 · 4 obs

● 2015-06-19 20:34:28
● 2017-12-25 04:14:18
○ 2026-03-22 22:59:50
○ 2026-03-27 01:13:26

○A184.168.221.282015-06-19 → 2017-12-25 · 4 obs

● 2015-06-19 20:34:28
● 2017-12-25 04:14:18
○ 2026-03-22 22:59:50
○ 2026-03-27 01:13:26

●A2600:1901:0:a965::12026-03-22 → 2026-03-27 · 3 obs

○ 2017-12-25 04:14:18
● 2026-03-22 22:59:50
● 2026-03-27 01:13:26

●A35.201.127.1642026-03-22 → 2026-03-27 · 3 obs

○ 2017-12-25 04:14:18
● 2026-03-22 22:59:50
● 2026-03-27 01:13:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
usabilitybook.com	ns-134.awsdns-16.com, ns-805.awsdns-36.net, ns-1910.awsdns-46.co.uk, ns-1524.awsdns-62.org	1 record

✅ Authoritative Response

Server:205.251.197.244

NS records: ns-134.awsdns-16.com, ns-805.awsdns-36.net, ns-1910.awsdns-46.co.uk, ns-1524.awsdns-62.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usabilitybook.com (unsigned zone)

⏱️ Timing

Total: 417ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.201.127.164`
AAAA	1	`2600:1901:0:a965::1`
NS	4	`ns-134.awsdns-16.com, ns-1524.awsdns-62.org...`
SOA	1	`ns-1524.awsdns-62.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-134.awsdns-16.com)

Analysis

IP Addresses

usabilitybook.com has two IP numbers: 2600:1901:0:a965::1 and 35.201.127.164.

Other host names, for instance mixplays.com, puppiesart.com, eagerflame.com, presetrabbits.com and superficialsquare.com share IP numbers with usabilitybook.com.

Name Servers

usabilitybook.com delegates to four name servers: ns-134.awsdns-16.com, ns-805.awsdns-36.net, ns-1524.awsdns-62.org and ns-1910.awsdns-46.co.uk.

usabilitybook.com at least partially shares name servers with other domains, including philslab.ninja, ansleyatlanta.com, motofablifts.com, goodldy.com and ddog-gov.com.

Host names with two IP numbers: ns-134.awsdns-16.com points to 2600:9000:5300:8600::1 and 205.251.192.134; ns-805.awsdns-36.net points to 2600:9000:5303:2500::1 and 205.251.195.37; ns-1524.awsdns-62.org points to 2600:9000:5305:f400::1 and 205.251.197.244; ns-1910.awsdns-46.co.uk points to 2600:9000:5307:7600::1 and 205.251.199.118.

usabilitybook.com - robtex.com