`circleofconcern.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:2fe9^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:ae79^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.47.233^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.174.121^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`curt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`curt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`curt.ns.cloudflare.com`
		A	108.162.193.94^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	172.64.33.94^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	173.245.59.94^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
NS	`lisa.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a83^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c083^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lisa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2083^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lisa.ns.cloudflare.com`
		A	108.162.192.131^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-108-162-192-131.defastlink.net`
		A	172.64.32.131^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-172-64-32-131.defastlink.net`
		A	173.245.58.131^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-173-245-58-131.defastlink.net`
MX	`circleofconcern-org.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00702.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:f910::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.40.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.40.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr05cu00100.inbound.protection.outlook.com`
		A	52.101.50.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00404.inbound.protection.outlook.com`
		A	52.101.50.7^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr21cu00207.inbound.protection.outlook.com`
TXT	`MS=ms33942430`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.constantcontact.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.47.233, 172.67.174.121
		IPv6	2606:4700:3033::6815:2fe9, 2606:4700:3037::ac43:ae79
SOA	`curt.ns.cloudflare.com`dns@cloudflare.com serial=2396299352

`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

Subdomains

mail.circleofconcern.org

mx.circleofconcern.org

DNS History

15 records (7 active, 8 former)

●NScurt.ns.cloudflare.com2026-03-24 → 2026-03-24 · 2 obs

○ 2019-12-31 21:31:40
● 2026-03-24 00:56:16

●NSlisa.ns.cloudflare.com2026-03-24 → 2026-03-24 · 2 obs

○ 2019-12-31 21:31:40
● 2026-03-24 00:56:16

○NSns1.bdm.microsoftonline.com2019-12-31 → 2019-12-31 · 3 obs

○ 2017-03-18 18:33:26
● 2019-12-31 21:31:40
○ 2026-03-24 00:56:16

○NSns1.ipage.com2015-06-11 → 2019-12-31 · 3 obs

● 2015-06-11 15:47:08
● 2019-12-31 21:31:40
○ 2026-03-24 00:56:16

○NSns2.bdm.microsoftonline.com2019-12-31 → 2019-12-31 · 3 obs

○ 2017-03-18 18:33:26
● 2019-12-31 21:31:40
○ 2026-03-24 00:56:16

○NSns2.ipage.com2015-06-11 → 2017-03-18 · 4 obs

● 2015-06-11 15:47:08
● 2017-03-18 18:33:26
○ 2019-12-31 21:31:40
○ 2026-03-24 00:56:16

○NSns3.bdm.microsoftonline.com2019-12-31 → 2019-12-31 · 3 obs

○ 2017-03-18 18:33:26
● 2019-12-31 21:31:40
○ 2026-03-24 00:56:16

○NSns4.bdm.microsoftonline.com2019-12-31 → 2019-12-31 · 3 obs

○ 2017-03-18 18:33:26
● 2019-12-31 21:31:40
○ 2026-03-24 00:56:16

●MXcircleofconcern-org.mail.protection.outlook.com2019-12-31 → 2026-03-24 · 3 obs

○ 2017-03-18 18:33:26
● 2019-12-31 21:31:40
● 2026-03-24 00:56:16

○MXmx.circleofconcern.org2015-06-11 → 2017-03-18 · 4 obs

● 2015-06-11 15:47:08
● 2017-03-18 18:33:26
○ 2019-12-31 21:31:40
○ 2026-03-24 00:56:16

●A104.21.47.2332026-03-24 → 2026-03-24 · 2 obs

○ 2019-12-31 21:31:40
● 2026-03-24 00:56:16

●A172.67.174.1212026-03-24 → 2026-03-24 · 2 obs

○ 2019-12-31 21:31:40
● 2026-03-24 00:56:16

●A2606:4700:3033::6815:2fe92026-03-24 → 2026-03-24 · 2 obs

○ 2019-12-31 21:31:40
● 2026-03-24 00:56:16

●A2606:4700:3037::ac43:ae792026-03-24 → 2026-03-24 · 2 obs

○ 2019-12-31 21:31:40
● 2026-03-24 00:56:16

○A66.96.147.822015-06-11 → 2019-12-31 · 3 obs

● 2015-06-11 15:47:08
● 2019-12-31 21:31:40
○ 2026-03-24 00:56:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
circleofconcern.org	curt.ns.cloudflare.com, lisa.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.94

NS records: curt.ns.cloudflare.com, lisa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for circleofconcern.org (unsigned zone)

⏱️ Timing

Total: 171ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.174.121, 104.21.47.233`
AAAA	2	`2606:4700:3037::ac43:ae79, 2606:4700:3033::6815:2fe9`
NS	2	`curt.ns.cloudflare.com, lisa.ns.cloudflare.com`
MX	1	`circleofconcern-org.mail.protection.outl`
TXT	2	`MS=ms33942430, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`curt.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

circleofconcern.org is parent of mail.circleofconcern.org and mx.circleofconcern.org.

IP Addresses

circleofconcern.org resolves to four IP numbers: 2606:4700:3033::6815:2fe9, 2606:4700:3037::ac43:ae79, 104.21.47.233 and 172.67.174.121.

other host names for instance click2joy.com, fenopreg.com, backfoundation.cc, vktechinfo.com and www.res.sa share IP numbers with circleofconcern.org.

Name Servers

circleofconcern.org is delegated to two name servers: curt.ns.cloudflare.com and lisa.ns.cloudflare.com.

circleofconcern.org shares the same name server setup as other domains, for example brownflynn.com, theermgroup.com, erm.com.au, erm.com and junksweb.com.

circleofconcern.org at least partially shares name servers with other domains, for instance xdsec.org, ironwolftechnology.com, breadpain.com, kpapp.link and qualitytpv.com.

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

Host names with six IP numbers:

curt.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5e, 2803:f800:50::6ca2:c15e, 2a06:98c1:50::ac40:215e, 108.162.193.94, 172.64.33.94 and 173.245.59.94; lisa.ns.cloudflare.com points to: 2606:4700:50::adf5:3a83, 2803:f800:50::6ca2:c083, 2a06:98c1:50::ac40:2083, 108.162.192.131, 172.64.32.131 and 173.245.58.131.

Mail Servers

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

Host name circleofconcern-org.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::4, 2a01:111:f403:c922::2, 2a01:111:f403:f905::4, 2a01:111:f403:f910::, 52.101.40.0, 52.101.40.24, 52.101.50.4 and 52.101.50.7.

circleofconcern.org - robtex.com