`sciencecafes.com`

DNSSEC	⚠️ Not signed
A	3.210.4.81^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-210-4-81.compute-1.amazonaws.com`
A	44.207.30.229^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
NS	`ns-144.awsdns-18.com` ⭐
		A	2600:9000:5300:9000::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-144.awsdns-18.com`
		A	205.251.192.144^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-144.awsdns-18.com`
NS	`ns-1450.awsdns-53.org`
		A	2600:9000:5305:aa00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1450.awsdns-53.org`
		A	205.251.197.170^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1450.awsdns-53.org`
NS	`ns-1858.awsdns-40.co.uk`
		A	2600:9000:5307:4200::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1858.awsdns-40.co.uk`
		A	205.251.199.66^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1858.awsdns-40.co.uk`
NS	`ns-579.awsdns-08.net`
		A	2600:9000:5302:4300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-579.awsdns-08.net`
		A	205.251.194.67^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-579.awsdns-08.net`
SOA	`ns-144.awsdns-18.com`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=1774536957

Same first word

sciencecafes.com

sciencecafes.net

Similar names

sciencescafe.com

sciencefaces.com

DNS History

17 records (6 active, 11 former)

○NSgriffin.wgbh.org2015-05-25 → 2015-10-13 · 4 obs

● 2015-05-25 07:21:04
● 2015-10-13 14:14:28
○ 2015-12-28 21:36:14
○ 2026-03-26 15:10:42

○NSjam.wgbh.org2015-05-25 → 2015-10-13 · 4 obs

● 2015-05-25 07:21:04
● 2015-10-13 14:14:28
○ 2015-12-28 21:36:14
○ 2026-03-26 15:10:42

○NSlsdn(0x736578)t01.wgbh.org2015-05-25 → 2015-05-25 · 3 obs

● 2015-05-25 07:21:04
○ 2015-10-13 14:14:28
○ 2026-03-26 15:10:42

●NSns-144.awsdns-18.com2015-12-28 → 2026-03-26 · 3 obs

○ 2015-10-13 14:14:28
● 2015-12-28 21:36:14
● 2026-03-26 15:10:42

●NSns-1450.awsdns-53.org2015-12-28 → 2026-03-26 · 3 obs

○ 2015-10-13 14:14:28
● 2015-12-28 21:36:14
● 2026-03-26 15:10:42

●NSns-1858.awsdns-40.co.uk2015-12-28 → 2026-03-26 · 3 obs

○ 2015-10-13 14:14:28
● 2015-12-28 21:36:14
● 2026-03-26 15:10:42

●NSns-579.awsdns-08.net2015-12-28 → 2026-03-26 · 3 obs

○ 2015-10-13 14:14:28
● 2015-12-28 21:36:14
● 2026-03-26 15:10:42

○A104.236.203.1862015-10-13 → 2018-09-21 · 5 obs

○ 2015-05-25 07:21:04
● 2015-10-13 14:14:28
● 2018-09-21 02:48:40
○ 2026-02-15 18:43:18
○ 2026-03-26 15:10:42

○A3.208.201.642026-02-15 → 2026-02-15 · 4 obs

○ 2018-09-21 02:48:40
● 2026-02-15 18:43:18
○ 2026-02-22 13:49:28
○ 2026-03-26 15:10:42

●A3.210.4.812026-03-26 → 2026-03-26 · 2 obs

○ 2026-02-22 13:49:28
● 2026-03-26 15:10:42

○A3.219.148.1012026-02-22 → 2026-02-22 · 3 obs

○ 2026-02-15 18:43:18
● 2026-02-22 13:49:28
○ 2026-03-26 15:10:42

●A44.207.30.2292026-03-26 → 2026-03-26 · 2 obs

○ 2026-02-22 13:49:28
● 2026-03-26 15:10:42

○A44.209.190.722026-02-15 → 2026-03-26 · 2 obs

○ 2026-02-15 18:43:18
○ 2026-03-26 15:10:42

○A50.19.89.1722026-02-22 → 2026-02-22 · 3 obs

○ 2026-02-15 18:43:18
● 2026-02-22 13:49:28
○ 2026-03-26 15:10:42

○A52.20.104.1982026-02-15 → 2026-02-15 · 4 obs

○ 2018-09-21 02:48:40
● 2026-02-15 18:43:18
○ 2026-02-22 13:49:28
○ 2026-03-26 15:10:42

○A52.200.193.1502026-02-15 → 2026-03-26 · 2 obs

○ 2026-02-15 18:43:18
○ 2026-03-26 15:10:42

○A72.32.11.1752015-05-25 → 2015-05-25 · 3 obs

● 2015-05-25 07:21:04
○ 2015-10-13 14:14:28
○ 2026-03-26 15:10:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net...	-
sciencecafes.com	ns-144.awsdns-18.com, ns-579.awsdns-08.net, ns-1858.awsdns-40.co.uk, ns-1450.awsdns-53.org	1 record

✅ Authoritative Response

Server:205.251.199.66

NS records: ns-144.awsdns-18.com, ns-579.awsdns-08.net, ns-1858.awsdns-40.co.uk, ns-1450.awsdns-53.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sciencecafes.com (unsigned zone)

⏱️ Timing

Total: 209ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.210.4.81, 44.207.30.229`
NS	4	`ns-144.awsdns-18.com, ns-1450.awsdns-53.org...`
SOA	1	`ns-144.awsdns-18.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-144.awsdns-18.com)

Analysis

IP Addresses

sciencecafes.com points to two IP numbers: 3.210.4.81 and 44.207.30.229.

Other host names, for instance ec2-44-207-30-229.compute-1.amazonaws.com, peepandthebigwideworld.com, classical.org and ec2-3-210-4-81.compute-1.amazonaws.com share IP numbers with sciencecafes.com.

Name Servers

sciencecafes.com is delegated to four name servers: ns-144.awsdns-18.com, ns-579.awsdns-08.net, ns-1450.awsdns-53.org and ns-1858.awsdns-40.co.uk.

At least part of the name servers for sciencecafes.com are shared with other domains, for instance mythral.org, hostelsuitesdf.com, languagebear.com, psypocket.es and weraceshimano.com.

Host names with two IP numbers:

ns-144.awsdns-18.com points to: 2600:9000:5300:9000::1 and 205.251.192.144

ns-579.awsdns-08.net points to: 2600:9000:5302:4300::1 and 205.251.194.67

ns-1450.awsdns-53.org points to: 2600:9000:5305:aa00::1 and 205.251.197.170

ns-1858.awsdns-40.co.uk points to: 2600:9000:5307:4200::1 and 205.251.199.66

sciencecafes.com - robtex.com