exploratorium.com - dns.ninja

`exploratorium.com`

DNSSEC	⚠️ Not signed
A	192.174.2.181^{🇺🇸 CALREN-DC192.174.2.0/24 Exploratorium}
NS	`ns-1467.awsdns-55.org` ⭐
		A	2600:9000:5305:bb00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1467.awsdns-55.org`
		A	205.251.197.187^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1467.awsdns-55.org`
NS	`ns-1661.awsdns-15.co.uk`
		A	2600:9000:5306:7d00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1661.awsdns-15.co.uk`
		A	205.251.198.125^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1661.awsdns-15.co.uk`
NS	`ns-257.awsdns-32.com`
		A	2600:9000:5301:100::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-257.awsdns-32.com`
		A	205.251.193.1^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-257.awsdns-32.com`
NS	`ns-658.awsdns-18.net`
		A	2600:9000:5302:9200::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-658.awsdns-18.net`
		A	205.251.194.146^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-658.awsdns-18.net`
SOA	`ns-1467.awsdns-55.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=1782433645

WOT: SAFE (63/100)

Subdomains

www.exploratorium.com

Same first word

DNS History

17 records (5 active, 12 former)

○NSisaac.exploratorium.edu2007-10-22 → 2015-08-12 · 4 obs

● 2007-10-22 14:23:18
● 2015-08-12 16:39:34
○ 2015-12-03 13:22:22
○ 2026-06-26 00:43:36

○NSjoule.exploratorium.edu2007-10-22 → 2015-08-12 · 4 obs

● 2007-10-22 14:23:18
● 2015-08-12 16:39:34
○ 2015-12-03 13:22:22
○ 2026-06-26 00:43:36

●NSns-1467.awsdns-55.org2015-12-03 → 2026-06-26 · 3 obs

○ 2015-08-12 16:39:34
● 2015-12-03 13:22:22
● 2026-06-26 00:43:36

●NSns-1661.awsdns-15.co.uk2015-12-03 → 2026-06-26 · 3 obs

○ 2015-08-12 16:39:34
● 2015-12-03 13:22:22
● 2026-06-26 00:43:36

●NSns-257.awsdns-32.com2015-12-03 → 2026-06-26 · 3 obs

○ 2015-08-12 16:39:34
● 2015-12-03 13:22:22
● 2026-06-26 00:43:36

●NSns-658.awsdns-18.net2015-12-03 → 2026-06-26 · 3 obs

○ 2015-08-12 16:39:34
● 2015-12-03 13:22:22
● 2026-06-26 00:43:36

○NSqt.exploratorium.edu2007-10-22 → 2015-08-12 · 4 obs

● 2007-10-22 14:23:18
● 2015-08-12 16:39:34
○ 2015-12-03 13:22:22
○ 2026-06-26 00:43:36

○MXalt1.aspmx.l.google.com2015-08-12 → 2015-08-12 · 4 obs

○ 2007-10-22 14:23:18
● 2015-08-12 16:39:34
○ 2015-12-03 13:22:22
○ 2026-06-26 00:43:36

○MXalt2.aspmx.l.google.com2015-08-12 → 2015-08-12 · 4 obs

○ 2007-10-22 14:23:18
● 2015-08-12 16:39:34
○ 2015-12-03 13:22:22
○ 2026-06-26 00:43:36

○MXalt3.aspmx.l.google.com2015-08-12 → 2015-08-12 · 4 obs

○ 2007-10-22 14:23:18
● 2015-08-12 16:39:34
○ 2015-12-03 13:22:22
○ 2026-06-26 00:43:36

○MXalt4.aspmx.l.google.com2015-08-12 → 2015-08-12 · 4 obs

○ 2007-10-22 14:23:18
● 2015-08-12 16:39:34
○ 2015-12-03 13:22:22
○ 2026-06-26 00:43:36

○MXaspmx.l.google.com2015-08-12 → 2015-08-12 · 4 obs

○ 2007-10-22 14:23:18
● 2015-08-12 16:39:34
○ 2015-12-03 13:22:22
○ 2026-06-26 00:43:36

○MXsilicon.exploratorium.edu2007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 14:23:18
○ 2015-08-12 16:39:34
○ 2026-06-26 00:43:36

●A192.174.2.1812026-03-09 → 2026-06-26 · 3 obs

○ 2017-04-06 15:36:14
● 2026-03-09 15:57:30
● 2026-06-26 00:43:36

○A192.174.3.1812017-04-06 → 2017-04-06 · 4 obs

○ 2016-03-19 04:40:54
● 2017-04-06 15:36:14
○ 2026-03-09 15:57:30
○ 2026-06-26 00:43:36

○A207.7.139.212007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 14:23:18
○ 2015-08-12 16:39:34
○ 2026-06-26 00:43:36

○A209.237.226.2482015-08-12 → 2016-03-19 · 5 obs

○ 2007-10-22 14:23:18
● 2015-08-12 16:39:34
● 2016-03-19 04:40:54
○ 2017-04-06 15:36:14
○ 2026-06-26 00:43:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net...	-
exploratorium.com	ns-658.awsdns-18.net, ns-257.awsdns-32.com, ns-1661.awsdns-15.co.uk, ns-1467.awsdns-55.org	2 records

✅ Authoritative Response

Server:205.251.197.187

NS records: ns-658.awsdns-18.net, ns-257.awsdns-32.com, ns-1661.awsdns-15.co.uk, ns-1467.awsdns-55.org

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at exploratorium.com: Error: DNS query timeout: 192.43.172.30 for DS exploratorium.com

⏱️ Timing

Total: 3465ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.174.2.181`
NS	4	`ns-1467.awsdns-55.org, ns-1661.awsdns-15.co.uk...`
SOA	1	`ns-1467.awsdns-55.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-257.awsdns-32.com, ns-257.awsdns-32.com)

Analysis

Hierarchy

The domain www.exploratorium.com falls under the parent exploratorium.com.

IP Addresses

exploratorium.com resolves to just one IP address, 192.174.2.181.

Among others, www.exploratorium.com, www.exploratorium.org, exploratorium.org and explo.us resolve to the same IP numbers as exploratorium.com.

Name Servers

The NS records for exploratorium.com point to four name servers: ns-257.awsdns-32.com, ns-658.awsdns-18.net, ns-1467.awsdns-55.org and ns-1661.awsdns-15.co.uk.

At least some of exploratorium.com's name servers are shared with other domains, for example koki123.jp, 157.86.185.in-addr.arpa, bounce.mobi and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-257.awsdns-32.com directs to 205.251.193.1 and 2600:9000:5301:100::1; ns-658.awsdns-18.net directs to 205.251.194.146 and 2600:9000:5302:9200::1; ns-1467.awsdns-55.org directs to 205.251.197.187 and 2600:9000:5305:bb00::1; ns-1661.awsdns-15.co.uk directs to 205.251.198.125 and 2600:9000:5306:7d00::1.