`sciencewithoutborders.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2ecb^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8daf^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.203^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.175^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clark.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b57^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c157^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clark.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2157^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clark.ns.cloudflare.com`
		A	108.162.193.87^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	172.64.33.87^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	173.245.59.87^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
NS	`erin.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c071^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`erin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2071^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`erin.ns.cloudflare.com`
		A	108.162.192.113^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	172.64.32.113^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	173.245.58.113^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.46.203, 172.67.141.175
		IPv6	2606:4700:3031::6815:2ecb, 2606:4700:3035::ac43:8daf
SOA	`clark.ns.cloudflare.com`dns@cloudflare.com serial=2397129169

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐
	NS	`a2.org.afilias-nst.info`
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info`
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774633784

Same first word

sciencewithoutborders.org

DNS History

8 records (6 active, 2 former)

●NSclark.ns.cloudflare.com2026-03-27 → 2026-03-27 · 3 obs

○ 2017-02-18 07:06:18
● 2026-03-27 18:19:40
● 2026-03-27 18:19:42

●NSerin.ns.cloudflare.com2026-03-27 → 2026-03-27 · 3 obs

○ 2017-02-18 07:06:18
● 2026-03-27 18:19:40
● 2026-03-27 18:19:42

○NSns1.kbslof.org2015-07-10 → 2017-02-18 · 4 obs

● 2015-07-10 06:37:04
● 2017-02-18 07:06:18
○ 2026-03-27 18:19:40
○ 2026-03-27 18:19:42

○NSns2.kbslof.org2015-07-10 → 2017-02-18 · 4 obs

● 2015-07-10 06:37:04
● 2017-02-18 07:06:18
○ 2026-03-27 18:19:40
○ 2026-03-27 18:19:42

●A104.21.46.2032026-03-27 → 2026-03-27 · 2 obs

● 2026-03-27 18:19:40
● 2026-03-27 18:19:42

●A172.67.141.1752026-03-27 → 2026-03-27 · 2 obs

● 2026-03-27 18:19:40
● 2026-03-27 18:19:42

●A2606:4700:3031::6815:2ecb2026-03-27 → 2026-03-27 · 2 obs

● 2026-03-27 18:19:40
● 2026-03-27 18:19:42

●A2606:4700:3035::ac43:8daf2026-03-27 → 2026-03-27 · 2 obs

● 2026-03-27 18:19:40
● 2026-03-27 18:19:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
sciencewithoutborders.org	clark.ns.cloudflare.com, erin.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.113

NS records: clark.ns.cloudflare.com, erin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sciencewithoutborders.org (unsigned zone)

⏱️ Timing

Total: 319ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.46.203, 172.67.141.175`
AAAA	2	`2606:4700:3035::ac43:8daf, 2606:4700:3031::6815:2ecb`
NS	2	`clark.ns.cloudflare.com, erin.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clark.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

sciencewithoutborders.org points to four IP numbers: 2606:4700:3031::6815:2ecb, 2606:4700:3035::ac43:8daf, 104.21.46.203 and 172.67.141.175.

Other host names, for instance cnrit.com, mail.mbox.com.tw, m.healthsouthkentucky.com, bjljn.com and a4-arquitetura.com share IP numbers with sciencewithoutborders.org.

Name Servers

Delegation for sciencewithoutborders.org rests with two name servers, clark.ns.cloudflare.com and erin.ns.cloudflare.com.

sciencewithoutborders.org shares the same name server setup as other domains, including showbandmarum.nl, grupooleum.com.ar, wattan24.com, wewiv.com and bloodlinewebdesign.com.

sciencewithoutborders.org at least partially shares name servers with other domains, for instance pqx.no, info-produkt.ru, webgne.com, barefootcentral.net and dns-settings.ro.

These name servers are commonly used with the name servers eric.ns.cloudflare.com.

Host names with six IP numbers: clark.ns.cloudflare.com points to: 2606:4700:58::adf5:3b57, 2803:f800:50::6ca2:c157, 2a06:98c1:50::ac40:2157, 108.162.193.87, 172.64.33.87 and 173.245.59.87. erin.ns.cloudflare.com points to: 2606:4700:50::adf5:3a71, 2803:f800:50::6ca2:c071, 2a06:98c1:50::ac40:2071, 108.162.192.113, 172.64.32.113 and 173.245.58.113.

sciencewithoutborders.org - robtex.com