`curiousefficiency.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:19e1^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:86cf^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.25.225^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.207^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dan.ns.cloudflare.com`
		A	108.162.193.108^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	172.64.33.108^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	173.245.59.108^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
NS	`lola.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a84^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lola.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c084^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lola.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2084^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lola.ns.cloudflare.com`
		A	108.162.192.132^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lola.ns.cloudflare.com`
		A	172.64.32.132^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lola.ns.cloudflare.com`
		A	173.245.58.132^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lola.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐ 🔒
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾ 🔒
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`google-site-verification=L2akY7X3GIZJLg8BLzSvbVOrMUbIh6-7LWL-K1_l1mo`
TXT	`google-site-verification=c-WsS22wVus227eqKGFYgjHAyPvv6I_dIwVfNf6k1Bc`
TXT	`protonmail-verification=84212c2dfcb650d1d6cb982a2b3bada24118f2c0`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.25.225, 172.67.134.207
		IPv6	2606:4700:3035::6815:19e1, 2606:4700:3036::ac43:86cf
SOA	`dan.ns.cloudflare.com`dns@cloudflare.com serial=2398238929

`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=1773551953

rank #520017 globally
rank #39450 in the tld

Same first word

curiousefficiency.org

DNS History

16 records (8 active, 8 former)

○NSa.dns.gandi.net2015-05-24 → 2017-02-08 · 4 obs

● 2015-05-24 00:47:18
● 2017-02-08 00:00:22
○ 2020-02-25 21:03:02
○ 2026-03-18 19:08:18

○NSb.dns.gandi.net2015-05-24 → 2017-02-08 · 4 obs

● 2015-05-24 00:47:18
● 2017-02-08 00:00:22
○ 2020-02-25 21:03:02
○ 2026-03-18 19:08:18

○NSc.dns.gandi.net2015-05-24 → 2017-02-08 · 4 obs

● 2015-05-24 00:47:18
● 2017-02-08 00:00:22
○ 2020-02-25 21:03:02
○ 2026-03-18 19:08:18

●NSdan.ns.cloudflare.com2020-02-25 → 2026-03-18 · 3 obs

○ 2017-02-08 00:00:22
● 2020-02-25 21:03:02
● 2026-03-18 19:08:18

●NSlola.ns.cloudflare.com2020-02-25 → 2026-03-18 · 3 obs

○ 2017-02-08 00:00:22
● 2020-02-25 21:03:02
● 2026-03-18 19:08:18

●MXmail.protonmail.ch2026-02-17 → 2026-03-18 · 2 obs

● 2026-02-17 16:55:12
● 2026-03-18 19:08:18

●MXmailsec.protonmail.ch2026-02-17 → 2026-03-18 · 2 obs

● 2026-02-17 16:55:12
● 2026-03-18 19:08:18

●A104.21.25.2252026-02-17 → 2026-03-18 · 3 obs

○ 2020-02-25 21:03:02
● 2026-02-17 16:55:12
● 2026-03-18 19:08:18

○A104.28.4.1092020-02-25 → 2020-02-25 · 4 obs

○ 2017-02-08 00:00:22
● 2020-02-25 21:03:02
○ 2026-02-17 16:55:12
○ 2026-03-18 19:08:18

○A104.28.5.1092020-02-25 → 2020-02-25 · 4 obs

○ 2017-02-08 00:00:22
● 2020-02-25 21:03:02
○ 2026-02-17 16:55:12
○ 2026-03-18 19:08:18

●A172.67.134.2072026-02-17 → 2026-03-18 · 3 obs

○ 2020-02-25 21:03:02
● 2026-02-17 16:55:12
● 2026-03-18 19:08:18

○A217.70.184.382015-05-24 → 2017-02-08 · 4 obs

● 2015-05-24 00:47:18
● 2017-02-08 00:00:22
○ 2020-02-25 21:03:02
○ 2026-03-18 19:08:18

●A2606:4700:3035::6815:19e12026-02-17 → 2026-03-18 · 3 obs

○ 2020-02-25 21:03:02
● 2026-02-17 16:55:12
● 2026-03-18 19:08:18

○A2606:4700:3036::681c:56d2020-02-25 → 2020-02-25 · 4 obs

○ 2017-02-08 00:00:22
● 2020-02-25 21:03:02
○ 2026-02-17 16:55:12
○ 2026-03-18 19:08:18

●A2606:4700:3036::ac43:86cf2026-02-17 → 2026-03-18 · 3 obs

○ 2020-02-25 21:03:02
● 2026-02-17 16:55:12
● 2026-03-18 19:08:18

○A2606:4700:3037::681c:46d2020-02-25 → 2020-02-25 · 4 obs

○ 2017-02-08 00:00:22
● 2020-02-25 21:03:02
○ 2026-02-17 16:55:12
○ 2026-03-18 19:08:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org	-
curiousefficiency.org	lola.ns.cloudflare.com, dan.ns.cloudflare.com	-

✅ Authoritative Response

Server: 173.245.58.132

NS records: lola.ns.cloudflare.com, dan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for curiousefficiency.org (unsigned zone)

⏱️ Timing

Total: 614ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.134.207, 104.21.25.225`
AAAA	2	`2606:4700:3036::ac43:86cf, 2606:4700:3035::6815:19e1`
NS	2	`dan.ns.cloudflare.com, lola.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	4	`google-site-verification=L2akY7X3GIZJLg8, google-site-verification=c-WsS22wVus227e...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dan.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

curiousefficiency.org maps to four IP numbers: 2606:4700:3035::6815:19e1, 2606:4700:3036::ac43:86cf, 104.21.25.225 and 172.67.134.207.

Other host names, for instance chesterton.dk, sporthaze.com, eksplor.net, www.polach.ro and xrtionsports.com share IP numbers with curiousefficiency.org.

Name Servers

Two name servers dan.ns.cloudflare.com and lola.ns.cloudflare.com are delegated to curiousefficiency.org.

curiousefficiency.org uses the same name server configuration as other domains, such as chelseapluseric.com, carolinaortiz.cl, khbd.co.uk, jmx2.com and dolf.org.hk.

curiousefficiency.org at least partially shares name servers with other domains such as xsbang.net, lradiolife.com, birchenallhowden.co.uk, onetower-moscow.ru and sorenz.dk.

Host names with six IP numbers: Host name dan.ns.cloudflare.com points to 2606:4700:58::adf5:3b6c, 2803:f800:50::6ca2:c16c, 2a06:98c1:50::ac40:216c, 108.162.193.108, 172.64.33.108 and 173.245.59.108; host name lola.ns.cloudflare.com points to 2606:4700:50::adf5:3a84, 2803:f800:50::6ca2:c084, 2a06:98c1:50::ac40:2084, 108.162.192.132, 172.64.32.132 and 173.245.58.132.

Mail Servers

Two mail servers handle curiousefficiency.org: mail.protonmail.ch and mailsec.protonmail.ch.

curiousefficiency.org shares the same mail server setup as other domains, including kujato.com, betterfit.com, linux-tech.org, crayssac.net and camrada.com.

curiousefficiency.org shares mail servers with other domains at least in part, for instance artecs-intl.com, angusyoung.co.uk, gabo.re, kpfsecret.com and black-chem.com.

Host names with three IP numbers:

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

curiousefficiency.org - robtex.com