`citizendium.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:575f^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a953^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.95^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.83^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elias.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c1d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elias.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c31d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elias.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:231d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elias.ns.cloudflare.com`
		A	108.162.195.29^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elias.ns.cloudflare.com`
		A	162.159.44.29^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elias.ns.cloudflare.com`
		A	172.64.35.29^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elias.ns.cloudflare.com`
NS	`hattie.ns.cloudflare.com`
		A	2606:4700:50::a29f:26ac^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hattie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ac^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hattie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ac^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hattie.ns.cloudflare.com`
		A	108.162.194.172^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hattie.ns.cloudflare.com`
		A	162.159.38.172^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hattie.ns.cloudflare.com`
		A	172.64.34.172^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hattie.ns.cloudflare.com`
MX	`citizendium-org.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:f902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr02cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f905::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f90c::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr03cu00100.inbound.protection.outlook.com`
		A	52.101.10.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00106.inbound.protection.outlook.com`
		A	52.101.11.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr03cu00202.inbound.protection.outlook.com`
		A	52.101.41.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr05cu00400.inbound.protection.outlook.com`
		A	52.101.50.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00605.inbound.protection.outlook.com`
TXT	`NETORGFT7105724.onmicrosoft.com`
TXT	`google-site-verification=IReO7mfECxzlN3IJsalzTEhSEKQqOncj-Rm-z-dsOtI`
TXT	`v=spf1 ip4:15.204.163.50 ip4:208.100.31.41 ip6:2607:f128:21:291:312:2:29:3100...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.87.95, 172.67.169.83
		IPv6	2606:4700:3032::6815:575f, 2606:4700:3036::ac43:a953
SOA	`elias.ns.cloudflare.com`dns@cloudflare.com serial=2398118552

`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 #39773 globally
rank #4267 in the tld
WOT: SAFE (66/100)
📈 Tranco rank: #54,568

Subdomains

en.citizendium.org

www.citizendium.org

Same first word

citizendium.ru

citizendium.org

citizendium.sg

DNS History

20 records (7 active, 13 former)

●NSelias.ns.cloudflare.com2026-02-14 → 2026-03-24 · 3 obs

○ 2021-05-06 11:26:58
● 2026-02-14 18:21:06
● 2026-03-24 10:38:36

●NShattie.ns.cloudflare.com2026-02-14 → 2026-03-24 · 3 obs

○ 2021-05-06 11:26:58
● 2026-02-14 18:21:06
● 2026-03-24 10:38:36

○NSns31.domaincontrol.com2007-10-02 → 2021-05-06 · 4 obs

● 2007-10-02 12:48:58
● 2021-05-06 11:26:58
○ 2026-02-14 18:21:06
○ 2026-03-24 10:38:36

○NSns32.domaincontrol.com2007-10-02 → 2021-05-06 · 4 obs

● 2007-10-02 12:48:58
● 2021-05-06 11:26:58
○ 2026-02-14 18:21:06
○ 2026-03-24 10:38:36

●MXcitizendium-org.mail.protection.outlook.com2021-05-06 → 2026-03-24 · 3 obs

○ 2017-04-08 02:21:38
● 2021-05-06 11:26:58
● 2026-03-24 10:38:36

○MXlocke.citizendium.org2015-05-27 → 2017-04-08 · 5 obs

○ 2007-10-02 12:48:58
● 2015-05-27 16:48:48
● 2017-04-08 02:21:38
○ 2021-05-06 11:26:58
○ 2026-03-24 10:38:36

○MXmail.citizendium.org2007-10-02 → 2007-10-02 · 3 obs

● 2007-10-02 12:48:58
○ 2015-05-27 16:48:48
○ 2026-03-24 10:38:36

●A104.21.87.952026-02-19 → 2026-03-24 · 4 obs

○ 2026-02-14 18:21:06
○ 2026-02-16 03:03:52
● 2026-02-19 08:52:30
● 2026-03-24 10:38:36

○A172.64.80.12026-02-14 → 2026-02-14 · 5 obs

○ 2021-05-06 11:26:58
● 2026-02-14 18:21:06
● 2026-02-14 19:44:46
○ 2026-02-16 03:03:52
○ 2026-03-24 10:38:36

●A172.67.169.832026-02-19 → 2026-03-24 · 4 obs

○ 2026-02-14 18:21:06
○ 2026-02-16 03:03:52
● 2026-02-19 08:52:30
● 2026-03-24 10:38:36

○A188.114.96.42026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-14 19:44:46
● 2026-02-16 03:03:52
○ 2026-02-19 08:52:30
○ 2026-03-24 10:38:36

○A188.114.97.42026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-14 19:44:46
● 2026-02-16 03:03:52
○ 2026-02-19 08:52:30
○ 2026-03-24 10:38:36

○A208.117.36.1622015-05-27 → 2017-04-08 · 5 obs

○ 2007-10-02 12:48:58
● 2015-05-27 16:48:48
● 2017-04-08 02:21:38
○ 2021-05-06 11:26:58
○ 2026-03-24 10:38:36

●A2606:4700:3032::6815:575f2026-02-14 → 2026-03-24 · 6 obs

○ 2021-05-06 11:26:58
● 2026-02-14 18:21:06
● 2026-02-14 19:44:46
○ 2026-02-16 03:03:52
● 2026-02-19 08:52:30
● 2026-03-24 10:38:36

●A2606:4700:3036::ac43:a9532026-02-14 → 2026-03-24 · 6 obs

○ 2021-05-06 11:26:58
● 2026-02-14 18:21:06
● 2026-02-14 19:44:46
○ 2026-02-16 03:03:52
● 2026-02-19 08:52:30
● 2026-03-24 10:38:36

○A2607:f128:22:4141:312:18:414:31002021-05-06 → 2021-05-06 · 4 obs

○ 2017-04-08 02:21:38
● 2021-05-06 11:26:58
○ 2026-02-14 18:21:06
○ 2026-03-24 10:38:36

○A2a06:98c1:3120::2026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-14 19:44:46
● 2026-02-16 03:03:52
○ 2026-02-19 08:52:30
○ 2026-03-24 10:38:36

○A2a06:98c1:3121::2026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-14 19:44:46
● 2026-02-16 03:03:52
○ 2026-02-19 08:52:30
○ 2026-03-24 10:38:36

○A64.202.167.1222007-10-02 → 2007-10-02 · 3 obs

● 2007-10-02 12:48:58
○ 2015-05-27 16:48:48
○ 2026-03-24 10:38:36

○A67.202.87.1712021-05-06 → 2021-05-06 · 4 obs

○ 2017-04-08 02:21:38
● 2021-05-06 11:26:58
○ 2026-02-14 18:21:06
○ 2026-03-24 10:38:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
citizendium.org	elias.ns.cloudflare.com, hattie.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.172

NS records: elias.ns.cloudflare.com, hattie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for citizendium.org (unsigned zone)

⏱️ Timing

Total: 628ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.87.95, 172.67.169.83`
AAAA	2	`2606:4700:3036::ac43:a953, 2606:4700:3032::6815:575f`
NS	2	`elias.ns.cloudflare.com, hattie.ns.cloudflare.com`
MX	1	`citizendium-org.mail.protection.outlook.`
TXT	3	`NETORGFT7105724.onmicrosoft.com, google-site-verification=IReO7mfECxzlN3I...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elias.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

citizendium.org is a parent of en.citizendium.org and www.citizendium.org.

IP Addresses

Four IP numbers are pointed to by citizendium.org: 2606:4700:3032::6815:575f, 2606:4700:3036::ac43:a953, 104.21.87.95 and 172.67.169.83.

other host names including sisinsulation.co.uk, igetso.com, skinsapp.com, en.citizendium.org and www.isuxhd.com share IP numbers with citizendium.org.

Name Servers

citizendium.org is delegated to two name servers elias.ns.cloudflare.com and hattie.ns.cloudflare.com.

citizendium.org shares the same name server setup as other domains, for instance eplans.gr, lanetwrk.com, bestclick.pro, singlesplace.pro and julierpass.com.

citizendium.org at least partially shares name servers with other domains, for instance planetabinario.com, ga(0x736578)plorefund.com, athomearkansas.com, soulshop.life and yuhuaxin.com.

These name servers are commonly used with jakub.ns.cloudflare.com, rihana.ns.cloudflare.com and khalid.ns.cloudflare.com.

Host names with six IP numbers:

Host name elias.ns.cloudflare.com points to: 2606:4700:58::a29f:2c1d, 2803:f800:50::6ca2:c31d, 2a06:98c1:50::ac40:231d, 108.162.195.29, 162.159.44.29 and 172.64.35.29.

Host name hattie.ns.cloudflare.com points to: 2606:4700:50::a29f:26ac, 2803:f800:50::6ca2:c2ac, 2a06:98c1:50::ac40:22ac, 108.162.194.172, 162.159.38.172 and 172.64.34.172.

Mail Servers

citizendium.org is handled by a single mail server, citizendium-org.mail.protection.outlook.com.

Host citizendium-org.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:f902::1, 2a01:111:f403:f905::4, 2a01:111:f403:f908::, 2a01:111:f403:f90c::, 52.101.10.6, 52.101.11.10, 52.101.41.0 and 52.101.50.13.

citizendium.org - robtex.com

citizendium.org

org

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`citizendium.org`

`org`