fc4square.org - dns.ninja

fc4square.org

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:96d0🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:5f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.0.95Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.150.208🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarcher.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c88🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarcher.ns.cloudflare.com
A2803:f800:50::6ca2:c388🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRarcher.ns.cloudflare.com
A2a06:98c1:50::ac40:2388🇺🇸 Cloudflare2a06:98c1:50::/45
PTRarcher.ns.cloudflare.com
A108.162.195.136🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarcher.ns.cloudflare.com
A162.159.44.136Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarcher.ns.cloudflare.com
A172.64.35.136🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarcher.ns.cloudflare.com
NSpaislee.ns.cloudflare.com
A2606:4700:50::a29f:26b7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpaislee.ns.cloudflare.com
A2803:f800:50::6ca2:c2b7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpaislee.ns.cloudflare.com
A2a06:98c1:50::ac40:22b7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpaislee.ns.cloudflare.com
A108.162.194.183🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpaislee.ns.cloudflare.com
A162.159.38.183Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpaislee.ns.cloudflare.com
A172.64.34.183🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpaislee.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.0.95, 172.67.150.208
IPv6 hints2606:4700:3031::ac43:96d0, 2606:4700:3036::6815:5f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=60, name=cloudflare-ech.com
SOAarcher.ns.cloudflare.comdns@cloudflare.com serial=2410460101

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1785025038

Same first word

fc4square.org

DNS History

25 records (6 active, 19 former)

20192020202120222023202420252026NSarcher.ns.cloudflare.compaislee.ns.cloudflare.comdns1.p04.nsone.netdns2.p04.nsone.netdns3.p04.nsone.netdns4.p04.nsone.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.0.95172.67.150.2082606:4700:3031::ac43:96d02606:4700:3036::6815:5f188.114.96.0188.114.97.0198.185.159.144198.185.159.145198.49.23.144198.49.23.1452606:4700:3033::6815:5f2606:4700:3033::ac43:96d02a06:98c1:3120::2a06:98c1:3121::
●NSarcher.ns.cloudflare.com2026-04-21 → 2026-07-26 · 3 obs
○ 2018-05-18 08:25:32
● 2026-04-21 02:28:10
● 2026-07-26 00:34:28
○NSdns1.p04.nsone.net2018-05-18 → 2018-05-18 · 3 obs
● 2018-05-18 08:25:32
○ 2026-04-21 02:28:10
○ 2026-07-26 00:34:28
○NSdns2.p04.nsone.net2018-05-18 → 2018-05-18 · 3 obs
● 2018-05-18 08:25:32
○ 2026-04-21 02:28:10
○ 2026-07-26 00:34:28
○NSdns3.p04.nsone.net2018-05-18 → 2018-05-18 · 3 obs
● 2018-05-18 08:25:32
○ 2026-04-21 02:28:10
○ 2026-07-26 00:34:28
○NSdns4.p04.nsone.net2018-05-18 → 2018-05-18 · 3 obs
● 2018-05-18 08:25:32
○ 2026-04-21 02:28:10
○ 2026-07-26 00:34:28
●NSpaislee.ns.cloudflare.com2026-04-21 → 2026-07-26 · 3 obs
○ 2018-05-18 08:25:32
● 2026-04-21 02:28:10
● 2026-07-26 00:34:28
○MXalt1.aspmx.l.google.com2018-05-18 → 2018-05-18 · 3 obs
● 2018-05-18 08:25:32
○ 2026-04-21 02:28:10
○ 2026-07-26 00:34:28
○MXalt2.aspmx.l.google.com2018-05-18 → 2018-05-18 · 3 obs
● 2018-05-18 08:25:32
○ 2026-04-21 02:28:10
○ 2026-07-26 00:34:28
○MXalt3.aspmx.l.google.com2018-05-18 → 2018-05-18 · 3 obs
● 2018-05-18 08:25:32
○ 2026-04-21 02:28:10
○ 2026-07-26 00:34:28
○MXalt4.aspmx.l.google.com2018-05-18 → 2018-05-18 · 3 obs
● 2018-05-18 08:25:32
○ 2026-04-21 02:28:10
○ 2026-07-26 00:34:28
○MXaspmx.l.google.com2018-05-18 → 2018-05-18 · 3 obs
● 2018-05-18 08:25:32
○ 2026-04-21 02:28:10
○ 2026-07-26 00:34:28
●A104.21.0.952026-04-21 → 2026-07-26 · 6 obs
○ 2018-05-18 08:25:32
● 2026-04-21 02:28:10
● 2026-05-09 10:05:36
○ 2026-06-04 19:03:00
● 2026-06-13 16:19:48
● 2026-07-26 00:34:28
●A172.67.150.2082026-04-21 → 2026-07-26 · 6 obs
○ 2018-05-18 08:25:32
● 2026-04-21 02:28:10
● 2026-05-09 10:05:36
○ 2026-06-04 19:03:00
● 2026-06-13 16:19:48
● 2026-07-26 00:34:28
○A188.114.96.02026-06-04 → 2026-06-04 · 4 obs
○ 2026-05-09 10:05:36
● 2026-06-04 19:03:00
○ 2026-06-13 16:19:48
○ 2026-07-26 00:34:28
○A188.114.97.02026-06-04 → 2026-06-04 · 4 obs
○ 2026-05-09 10:05:36
● 2026-06-04 19:03:00
○ 2026-06-13 16:19:48
○ 2026-07-26 00:34:28
○A198.185.159.1442018-05-18 → 2018-05-18 · 3 obs
● 2018-05-18 08:25:32
○ 2026-04-21 02:28:10
○ 2026-07-26 00:34:28
○A198.185.159.1452018-05-18 → 2018-05-18 · 3 obs
● 2018-05-18 08:25:32
○ 2026-04-21 02:28:10
○ 2026-07-26 00:34:28
○A198.49.23.1442018-05-18 → 2018-05-18 · 3 obs
● 2018-05-18 08:25:32
○ 2026-04-21 02:28:10
○ 2026-07-26 00:34:28
○A198.49.23.1452018-05-18 → 2018-05-18 · 3 obs
● 2018-05-18 08:25:32
○ 2026-04-21 02:28:10
○ 2026-07-26 00:34:28
●A2606:4700:3031::ac43:96d02026-07-26 → 2026-07-26 · 2 obs
○ 2026-06-14 05:50:10
● 2026-07-26 00:34:28
○A2606:4700:3033::6815:5f2026-04-21 → 2026-06-14 · 7 obs
○ 2018-05-18 08:25:32
● 2026-04-21 02:28:10
● 2026-05-09 10:05:36
○ 2026-06-04 19:03:00
● 2026-06-13 16:19:48
● 2026-06-14 05:50:10
○ 2026-07-26 00:34:28
○A2606:4700:3033::ac43:96d02026-04-21 → 2026-06-14 · 7 obs
○ 2018-05-18 08:25:32
● 2026-04-21 02:28:10
● 2026-05-09 10:05:36
○ 2026-06-04 19:03:00
● 2026-06-13 16:19:48
● 2026-06-14 05:50:10
○ 2026-07-26 00:34:28
●A2606:4700:3036::6815:5f2026-07-26 → 2026-07-26 · 2 obs
○ 2026-06-14 05:50:10
● 2026-07-26 00:34:28
○A2a06:98c1:3120::2026-06-04 → 2026-06-04 · 4 obs
○ 2026-05-09 10:05:36
● 2026-06-04 19:03:00
○ 2026-06-13 16:19:48
○ 2026-07-26 00:34:28
○A2a06:98c1:3121::2026-06-04 → 2026-06-04 · 4 obs
○ 2026-05-09 10:05:36
● 2026-06-04 19:03:00
○ 2026-06-13 16:19:48
○ 2026-07-26 00:34:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
fc4square.orgpaislee.ns.cloudflare.com, archer.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.136

NS records: paislee.ns.cloudflare.com, archer.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fc4square.org (unsigned zone)

⏱️ Timing

Total: 662ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.0.95, 172.67.150.208
AAAA22606:4700:3036::6815:5f, 2606:4700:3031::ac43:96d0
NS2archer.ns.cloudflare.com, paislee.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1archer.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

fc4square.org has four IP addresses: 104.21.0.95, 172.67.150.208, 2606:4700:3031::ac43:96d0 and 2606:4700:3036::6815:5f.

Among the host names that share IP numbers with fc4square.org are z46i7di.rymmt6e.com, tramasoli.com, wooddaleacademy.org and two others.

Name Servers

DNS delegation for fc4square.org points to two name servers: archer.ns.cloudflare.com and paislee.ns.cloudflare.com.

fc4square.org has the same name server delegation as a number of other domains, such as theaccelerator.tech, yook.one, ndesign.at and two more.

fc4square.org partially shares its NS delegation with several other domains, including robin-w.de, automatikhaus.com, qat.qld.edu.au and two others.

These name servers regularly co-occur with the name servers serena.ns.cloudflare.com, tosana.ns.cloudflare.com and jobs.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

archer.ns.cloudflare.com has IP addresses 108.162.195.136, 162.159.44.136 and 172.64.35.136, plus 3 other.

paislee.ns.cloudflare.com has IP addresses 108.162.194.183, 162.159.38.183 and 172.64.34.183, plus 3 other.