`codeforscience.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3410^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c1ef^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.16^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.239^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`carter.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b50^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c150^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2150^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carter.ns.cloudflare.com`
		A	108.162.193.80^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	172.64.33.80^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	173.245.59.80^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
NS	`tara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tara.ns.cloudflare.com`
		A	108.162.192.225^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tara.ns.cloudflare.com`
		A	172.64.32.225^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tara.ns.cloudflare.com`
		A	173.245.58.225^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tara.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c08::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f26.1e100.net`
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f26.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
TXT	`google-site-verification=iObAtpwu5ZHnF7keFtD1vgmF_ZLILKzS8pyte6GVbAM`
TXT	`google-site-verification=qvuxloYOH7UMcE17NWd2pK2TeDCgwyVCQxcKw7TP7jM`
TXT	`v=spf1 include:_spf.google.com ~all`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.52.16, 172.67.193.239
		IPv6 hints	2606:4700:3030::6815:3410, 2606:4700:3037::ac43:c1ef
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=242, name=cloudflare-ech.com
SOA	`carter.ns.cloudflare.com`dns@cloudflare.com serial=2409624596

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1785983421

Subdomains

analytics.codeforscience.org

Same first word

codeforscience.com

codeforscience.org

Similar names

dericonfeccoes.com.br

DNS History

23 records (7 active, 16 former)

●NScarter.ns.cloudflare.com2026-05-02 → 2026-08-06 · 3 obs

○ 2018-05-06 14:54:02
● 2026-05-02 03:43:00
● 2026-08-06 02:44:04

○NSns1.iwantmyname.net2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 14:54:02
○ 2026-05-02 03:43:00
○ 2026-08-06 02:44:04

○NSns2.iwantmyname.net2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 14:54:02
○ 2026-05-02 03:43:00
○ 2026-08-06 02:44:04

○NSns3.iwantmyname.net2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 14:54:02
○ 2026-05-02 03:43:00
○ 2026-08-06 02:44:04

○NSns4.iwantmyname.net2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 14:54:02
○ 2026-05-02 03:43:00
○ 2026-08-06 02:44:04

●NStara.ns.cloudflare.com2026-05-02 → 2026-08-06 · 3 obs

○ 2018-05-06 14:54:02
● 2026-05-02 03:43:00
● 2026-08-06 02:44:04

○MXalt1.aspmx.l.google.com2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 14:54:02
○ 2026-05-02 03:43:00
○ 2026-08-06 02:44:04

○MXalt2.aspmx.l.google.com2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 14:54:02
○ 2026-05-02 03:43:00
○ 2026-08-06 02:44:04

○MXaspmx.l.google.com2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 14:54:02
○ 2026-05-02 03:43:00
○ 2026-08-06 02:44:04

○MXaspmx2.googlemail.com2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 14:54:02
○ 2026-05-02 03:43:00
○ 2026-08-06 02:44:04

○MXaspmx3.googlemail.com2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 14:54:02
○ 2026-05-02 03:43:00
○ 2026-08-06 02:44:04

●MXsmtp.google.com2026-05-02 → 2026-08-06 · 3 obs

○ 2018-05-06 14:54:02
● 2026-05-02 03:43:00
● 2026-08-06 02:44:04

○A104.198.14.522018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 14:54:02
○ 2026-05-02 03:43:00
○ 2026-08-06 02:44:04

●A104.21.52.162026-05-12 → 2026-08-06 · 5 obs

○ 2026-05-12 14:21:50
● 2026-05-12 14:53:18
○ 2026-06-21 18:31:28
● 2026-07-21 12:28:44
● 2026-08-06 02:44:04

●A172.67.193.2392026-05-12 → 2026-08-06 · 5 obs

○ 2026-05-12 14:21:50
● 2026-05-12 14:53:18
○ 2026-06-21 18:31:28
● 2026-07-21 12:28:44
● 2026-08-06 02:44:04

○A188.114.96.02026-05-02 → 2026-06-21 · 7 obs

○ 2018-05-06 14:54:02
● 2026-05-02 03:43:00
● 2026-05-12 14:21:50
○ 2026-05-12 14:53:18
● 2026-06-21 18:31:28
○ 2026-07-21 12:28:44
○ 2026-08-06 02:44:04

○A188.114.97.02026-05-02 → 2026-06-21 · 7 obs

○ 2018-05-06 14:54:02
● 2026-05-02 03:43:00
● 2026-05-12 14:21:50
○ 2026-05-12 14:53:18
● 2026-06-21 18:31:28
○ 2026-07-21 12:28:44
○ 2026-08-06 02:44:04

●A2606:4700:3030::6815:34102026-07-21 → 2026-08-06 · 3 obs

○ 2026-06-21 18:31:28
● 2026-07-21 12:28:44
● 2026-08-06 02:44:04

○A2606:4700:3034::6815:34102026-05-12 → 2026-05-12 · 4 obs

○ 2026-05-12 14:21:50
● 2026-05-12 14:53:18
○ 2026-06-21 18:31:28
○ 2026-08-06 02:44:04

○A2606:4700:3036::ac43:c1ef2026-05-12 → 2026-05-12 · 4 obs

○ 2026-05-12 14:21:50
● 2026-05-12 14:53:18
○ 2026-06-21 18:31:28
○ 2026-08-06 02:44:04

●A2606:4700:3037::ac43:c1ef2026-07-21 → 2026-08-06 · 3 obs

○ 2026-06-21 18:31:28
● 2026-07-21 12:28:44
● 2026-08-06 02:44:04

○A2a06:98c1:3120::2026-05-02 → 2026-06-21 · 7 obs

○ 2018-05-06 14:54:02
● 2026-05-02 03:43:00
● 2026-05-12 14:21:50
○ 2026-05-12 14:53:18
● 2026-06-21 18:31:28
○ 2026-07-21 12:28:44
○ 2026-08-06 02:44:04

○A2a06:98c1:3121::2026-05-02 → 2026-06-21 · 7 obs

○ 2018-05-06 14:54:02
● 2026-05-02 03:43:00
● 2026-05-12 14:21:50
○ 2026-05-12 14:53:18
● 2026-06-21 18:31:28
○ 2026-07-21 12:28:44
○ 2026-08-06 02:44:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
codeforscience.org	carter.ns.cloudflare.com, tara.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.80

NS records: carter.ns.cloudflare.com, tara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeforscience.org (unsigned zone)

⏱️ Timing

Total: 556ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.193.239, 104.21.52.16`
AAAA	2	`2606:4700:3037::ac43:c1ef, 2606:4700:3030::6815:3410`
NS	2	`carter.ns.cloudflare.com, tara.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	4	`google-site-verification=iObAtpwu5ZHnF7k, google-site-verification=qvuxloYOH7UMcE1...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carter.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

codeforscience.org serves as the parent of analytics.codeforscience.org.

IP Addresses

codeforscience.org has four IP addresses: 104.21.52.16, 172.67.193.239, 2606:4700:3030::6815:3410 and 2606:4700:3037::ac43:c1ef.

computercablestore.us, pnbahiadecadiz.es, 3446s.com plus two other host names have IP numbers in common with codeforscience.org.

Name Servers

codeforscience.org has two authoritative name servers — carter.ns.cloudflare.com and tara.ns.cloudflare.com.

The name server configuration of codeforscience.org is shared with other domains, for instance tereomegalin.help, abcdlsj.workers.dev, tereopportul.shop and two others.

codeforscience.org has at least partial name server overlap with other domains, such as gdyumiao.com, jitofficial.com, nigdy.net and two others.

It is common to see these name servers used together with name servers laura.ns.cloudflare.com and sara.ns.cloudflare.com.

Hosts with 6 IP addresses each:

carter.ns.cloudflare.com points to 108.162.193.80, 172.64.33.80, 173.245.59.80 and 3 other IP addresses.

tara.ns.cloudflare.com points to 108.162.192.225, 172.64.32.225, 173.245.58.225 and 3 other IP addresses.

Mail Servers

codeforscience.org uses one mail server — smtp.google.com.

The mail server setup of codeforscience.org matches that of other domains such as acumeninsight.my, vectatech.net, pinehursthomes.ca and two others.

At least some of the mail servers used by codeforscience.org are shared with other domains: w3cwc.org, sweetnana.com, pagecall.com and two others among them.

It is common to find these mail servers paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, as well as two others.

smtp.google.com has 9 IP addresses: 142.250.31.26, 142.250.31.27, 142.251.111.26 plus 6 more.

codeforscience.org - robtex.com