concentricsecurity.com - dns.ninja

`concentricsecurity.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1a89^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a84a^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.137^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.168.74^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`james.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`james.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`james.ns.cloudflare.com`
		A	108.162.193.178^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	172.64.33.178^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	173.245.59.178^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
NS	`rita.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rita.ns.cloudflare.com`
		A	108.162.192.140^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	172.64.32.140^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	173.245.58.140^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
MX	`concentricsecurity-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01602.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:f912::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr03cu00200.inbound.protection.outlook.com`
		A	52.101.8.44^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm5pr04cu00104.inbound.protection.outlook.com`
		A	52.101.9.20^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr02cu00604.inbound.protection.outlook.com`
		A	52.101.11.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr02cu00207.inbound.protection.outlook.com`
		A	52.101.41.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
TXT	`google-site-verification=bJ6y8MQjmsrRmvemwWkMjzGzs7V9LbfoXirzx0k3hVw`
TXT	`v=spf1 include:spf.protection.outlook.com include:20164581.spf02.hubspotemail...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.26.137, 172.67.168.74
		IPv6 hints	2606:4700:3034::6815:1a89, 2606:4700:3034::ac43:a84a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=61, name=cloudflare-ech.com
SOA	`james.ns.cloudflare.com`dns@cloudflare.com serial=2407733593

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785208312

Same first word

concentricsecurity.com

DNS History

16 records (7 active, 9 former)

○NScbru.br.ns.els-gms.att.net2015-06-08 → 2017-06-19 · 4 obs

● 2015-06-08 10:34:24
● 2017-06-19 23:26:48
○ 2026-02-25 11:33:18
○ 2026-07-28 03:22:54

○NScmtu.mt.ns.els-gms.att.net2015-06-08 → 2017-06-19 · 4 obs

● 2015-06-08 10:34:24
● 2017-06-19 23:26:48
○ 2026-02-25 11:33:18
○ 2026-07-28 03:22:54

●NSjames.ns.cloudflare.com2026-02-25 → 2026-07-28 · 3 obs

○ 2017-06-19 23:26:48
● 2026-02-25 11:33:18
● 2026-07-28 03:22:54

●NSrita.ns.cloudflare.com2026-02-25 → 2026-07-28 · 3 obs

○ 2017-06-19 23:26:48
● 2026-02-25 11:33:18
● 2026-07-28 03:22:54

●MXconcentricsecurity-com.mail.protection.outlook.com2015-06-08 → 2026-07-28 · 2 obs

● 2015-06-08 10:34:24
● 2026-07-28 03:22:54

●A104.21.26.1372026-02-25 → 2026-07-28 · 7 obs

○ 2017-06-19 23:26:48
● 2026-02-25 11:33:18
● 2026-03-31 14:18:30
○ 2026-04-03 07:04:30
○ 2026-04-28 19:44:54
● 2026-05-26 19:37:00
● 2026-07-28 03:22:54

○A168.61.36.2522015-06-08 → 2017-06-19 · 4 obs

● 2015-06-08 10:34:24
● 2017-06-19 23:26:48
○ 2026-02-25 11:33:18
○ 2026-07-28 03:22:54

●A172.67.168.742026-02-25 → 2026-07-28 · 7 obs

○ 2017-06-19 23:26:48
● 2026-02-25 11:33:18
● 2026-03-31 14:18:30
○ 2026-04-03 07:04:30
○ 2026-04-28 19:44:54
● 2026-05-26 19:37:00
● 2026-07-28 03:22:54

○A188.114.96.02026-04-03 → 2026-04-28 · 6 obs

○ 2026-02-25 11:33:18
○ 2026-03-31 14:18:30
● 2026-04-03 07:04:30
● 2026-04-28 19:44:54
○ 2026-05-26 19:37:00
○ 2026-07-28 03:22:54

○A188.114.97.02026-04-03 → 2026-04-28 · 6 obs

○ 2026-02-25 11:33:18
○ 2026-03-31 14:18:30
● 2026-04-03 07:04:30
● 2026-04-28 19:44:54
○ 2026-05-26 19:37:00
○ 2026-07-28 03:22:54

○A2606:4700:3030::ac43:a84a2026-02-25 → 2026-05-26 · 8 obs

○ 2017-06-19 23:26:48
● 2026-02-25 11:33:18
● 2026-03-31 14:18:30
○ 2026-04-03 07:04:30
○ 2026-04-28 19:44:54
● 2026-05-26 19:37:00
○ 2026-06-25 03:21:10
○ 2026-07-28 03:22:54

○A2606:4700:3031::6815:1a892026-02-25 → 2026-05-26 · 8 obs

○ 2017-06-19 23:26:48
● 2026-02-25 11:33:18
● 2026-03-31 14:18:30
○ 2026-04-03 07:04:30
○ 2026-04-28 19:44:54
● 2026-05-26 19:37:00
○ 2026-06-25 03:21:10
○ 2026-07-28 03:22:54

●A2606:4700:3034::6815:1a892026-06-25 → 2026-07-28 · 3 obs

○ 2026-05-26 19:37:00
● 2026-06-25 03:21:10
● 2026-07-28 03:22:54

●A2606:4700:3034::ac43:a84a2026-06-25 → 2026-07-28 · 3 obs

○ 2026-05-26 19:37:00
● 2026-06-25 03:21:10
● 2026-07-28 03:22:54

○A2a06:98c1:3120::2026-04-03 → 2026-04-28 · 6 obs

○ 2026-02-25 11:33:18
○ 2026-03-31 14:18:30
● 2026-04-03 07:04:30
● 2026-04-28 19:44:54
○ 2026-05-26 19:37:00
○ 2026-07-28 03:22:54

○A2a06:98c1:3121::2026-04-03 → 2026-04-28 · 6 obs

○ 2026-02-25 11:33:18
○ 2026-03-31 14:18:30
● 2026-04-03 07:04:30
● 2026-04-28 19:44:54
○ 2026-05-26 19:37:00
○ 2026-07-28 03:22:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
concentricsecurity.com	rita.ns.cloudflare.com, james.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.140

NS records: rita.ns.cloudflare.com, james.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concentricsecurity.com (unsigned zone)

⏱️ Timing

Total: 289ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.26.137, 172.67.168.74`
AAAA	2	`2606:4700:3034::6815:1a89, 2606:4700:3034::ac43:a84a`
NS	2	`james.ns.cloudflare.com, rita.ns.cloudflare.com`
MX	1	`concentricsecurity-com.mail.protection.o`
TXT	2	`google-site-verification=bJ6y8MQjmsrRmve, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`james.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (rita.ns.cloudflare.com, rita.ns.cloudflare.com, rita.ns.cloudflare.com...)

Analysis

IP Addresses

concentricsecurity.com directs to four IP numbers, which are 104.21.26.137, 172.67.168.74, 2606:4700:3034::6815:1a89 and 2606:4700:3034::ac43:a84a.

Additional host names — casinovaofficiel-fr.com, doorbrowser.com, bestwebdesigner.org and two others — share IP numbers with concentricsecurity.com.

Name Servers

concentricsecurity.com has two authoritative name servers — james.ns.cloudflare.com and rita.ns.cloudflare.com.

concentricsecurity.com shares its name server setup with other domains, including skyscaner.co.in, balticairlines.ru, intellimar.biz and two others.

The name servers of concentricsecurity.com overlap at least partially with those of other domains — among them omikufu.top, doti.me, linkslist.app and two more.

These name servers commonly appear in combination with the name servers vivienne.ns.cloudflare.com.

Host names with 6 IP numbers:

james.ns.cloudflare.com points to 108.162.193.178, 172.64.33.178, 173.245.59.178 and 3 other IP addresses.

rita.ns.cloudflare.com points to 108.162.192.140, 172.64.32.140, 173.245.58.140 and 3 other IP addresses.

Mail Servers

concentricsecurity.com has one mail server: concentricsecurity-com.mail.protection.outlook.com.

concentricsecurity-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.8.44, 52.101.9.20, 52.101.11.15 and 5 other.