concurrenttechnologies.com - dns.ninja

`concurrenttechnologies.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2e8b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:8b33^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.139^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.51^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`edward.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cd2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edward.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`edward.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`edward.ns.cloudflare.com`
		A	108.162.195.210^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edward.ns.cloudflare.com`
		A	162.159.44.210^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edward.ns.cloudflare.com`
		A	172.64.35.210^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edward.ns.cloudflare.com`
NS	`meadow.ns.cloudflare.com`
		A	2606:4700:50::a29f:2633^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c233^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meadow.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2233^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meadow.ns.cloudflare.com`
		A	108.162.194.51^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	162.159.38.51^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	172.64.34.51^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
MX	`concurrenttechnologies-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr03cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:f909::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00200.inbound.protection.outlook.com`
		A	52.101.10.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr03cu00202.inbound.protection.outlook.com`
		A	52.101.10.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	52.101.11.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00205.inbound.protection.outlook.com`
		A	52.101.41.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00103.inbound.protection.outlook.com`
TXT	`v=spf1 ip4:198.99.107.0/24 ip4:12.28.196.0/24 ip4:12.186.90.0/25 ip4:12.44.22...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.139, 172.67.139.51
		IPv6 hints	2606:4700:3031::6815:2e8b, 2606:4700:3034::ac43:8b33
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=230, name=cloudflare-ech.com
SOA	`edward.ns.cloudflare.com`dns@cloudflare.com serial=2407887824

`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=1782872451

WOT: UNKNOWN (67/100)

Same first word

concurrenttechnologies.com

DNS History

20 records (7 active, 13 former)

○NSctdns2.contech.net2015-08-11 → 2020-01-21 · 4 obs

● 2015-08-11 01:26:42
● 2020-01-21 15:16:46
○ 2026-03-26 07:33:34
○ 2026-07-01 02:25:24

●NSedward.ns.cloudflare.com2026-03-26 → 2026-07-01 · 3 obs

○ 2020-01-21 15:16:46
● 2026-03-26 07:33:34
● 2026-07-01 02:25:24

●NSmeadow.ns.cloudflare.com2026-03-26 → 2026-07-01 · 3 obs

○ 2020-01-21 15:16:46
● 2026-03-26 07:33:34
● 2026-07-01 02:25:24

○MXalt1.aspmx.l.google.com2015-08-11 → 2017-01-09 · 4 obs

● 2015-08-11 01:26:42
● 2017-01-09 03:06:08
○ 2020-01-21 15:16:46
○ 2026-07-01 02:25:24

○MXalt2.aspmx.l.google.com2015-08-11 → 2017-01-09 · 4 obs

● 2015-08-11 01:26:42
● 2017-01-09 03:06:08
○ 2020-01-21 15:16:46
○ 2026-07-01 02:25:24

○MXalt3.aspmx.l.google.com2015-08-11 → 2017-01-09 · 4 obs

● 2015-08-11 01:26:42
● 2017-01-09 03:06:08
○ 2020-01-21 15:16:46
○ 2026-07-01 02:25:24

○MXalt4.aspmx.l.google.com2015-08-11 → 2017-01-09 · 4 obs

● 2015-08-11 01:26:42
● 2017-01-09 03:06:08
○ 2020-01-21 15:16:46
○ 2026-07-01 02:25:24

○MXaspmx.l.google.com2015-08-11 → 2017-01-09 · 4 obs

● 2015-08-11 01:26:42
● 2017-01-09 03:06:08
○ 2020-01-21 15:16:46
○ 2026-07-01 02:25:24

●MXconcurrenttechnologies-com.mail.protection.outlook.com2020-01-21 → 2026-07-01 · 3 obs

○ 2017-01-09 03:06:08
● 2020-01-21 15:16:46
● 2026-07-01 02:25:24

●A104.21.46.1392026-03-26 → 2026-07-01 · 10 obs

○ 2020-01-21 15:16:46
● 2026-03-26 07:33:34
● 2026-03-27 04:27:50
○ 2026-03-28 22:58:38
○ 2026-04-07 01:27:56
● 2026-04-10 12:02:48
● 2026-05-11 15:30:44
○ 2026-05-13 15:19:30
○ 2026-06-16 19:55:20
● 2026-07-01 02:25:24

●A172.67.139.512026-03-26 → 2026-07-01 · 10 obs

○A188.114.96.02026-03-28 → 2026-06-16 · 9 obs

○ 2026-03-26 07:33:34
○ 2026-03-27 04:27:50
● 2026-03-28 22:58:38
● 2026-04-07 01:27:56
○ 2026-04-10 12:02:48
○ 2026-05-11 15:30:44
● 2026-05-13 15:19:30
● 2026-06-16 19:55:20
○ 2026-07-01 02:25:24

○A188.114.97.02026-03-28 → 2026-06-16 · 9 obs

○A198.99.107.452015-08-11 → 2020-01-21 · 8 obs

● 2015-08-11 01:26:42
● 2015-11-27 19:40:02
○ 2016-02-03 12:15:52
● 2016-05-07 11:05:32
○ 2017-01-09 03:06:08
● 2020-01-21 15:16:46
○ 2026-03-26 07:33:34
○ 2026-07-01 02:25:24

●A2606:4700:3031::6815:2e8b2026-07-01 → 2026-07-01 · 2 obs

○ 2026-06-16 19:55:20
● 2026-07-01 02:25:24

●A2606:4700:3034::ac43:8b332026-07-01 → 2026-07-01 · 2 obs

○ 2026-06-16 19:55:20
● 2026-07-01 02:25:24

○A2606:4700:3035::6815:2e8b2026-03-26 → 2026-05-11 · 9 obs

○A2606:4700:3036::ac43:8b332026-03-26 → 2026-05-11 · 9 obs

○A2a06:98c1:3120::2026-03-28 → 2026-06-16 · 9 obs

○A2a06:98c1:3121::2026-03-28 → 2026-06-16 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
concurrenttechnologies.com	meadow.ns.cloudflare.com, edward.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.210

NS records: meadow.ns.cloudflare.com, edward.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concurrenttechnologies.com (unsigned zone)

⏱️ Timing

Total: 149ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.46.139, 172.67.139.51`
AAAA	2	`2606:4700:3034::ac43:8b33, 2606:4700:3031::6815:2e8b`
NS	2	`edward.ns.cloudflare.com, meadow.ns.cloudflare.com`
MX	1	`concurrenttechnologies-com.mail.protecti`
TXT	1	`v=spf1 ip4:198.99.107.0/24 ip4:12.28.196`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`edward.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

concurrenttechnologies.com has four IP addresses: 104.21.46.139, 172.67.139.51, 2606:4700:3031::6815:2e8b and 2606:4700:3034::ac43:8b33.

isodiol.com, mexmedimax.com, teddy-van-jerry.org and two other host names share IP numbers with concurrenttechnologies.com.

Name Servers

The NS records for concurrenttechnologies.com delegate to edward.ns.cloudflare.com and meadow.ns.cloudflare.com.

concurrenttechnologies.com uses the same name servers as several other domains — among them clarksshoesmexico.com, hbzlkj.cn, mariage-passion.fr and two more.

concurrenttechnologies.com shares at least some of its name servers with other domains, including comfobric.com, rise.za.com, thebuybuzz.com and two others.

It is common to find these name servers alongside the name servers desi.ns.cloudflare.com, lilyana.ns.cloudflare.com, blair.ns.cloudflare.com and two others.

Hostnames that resolve to 6 IP addresses:

edward.ns.cloudflare.com maps to 108.162.195.210, 162.159.44.210, 172.64.35.210 and 3 additional IP addresses.

meadow.ns.cloudflare.com maps to 108.162.194.51, 162.159.38.51, 172.64.34.51 and 3 additional IP addresses.

Mail Servers

Mail for concurrenttechnologies.com is handled by a single mail server, concurrenttechnologies-com.mail.protection.outlook.com.

concurrenttechnologies-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.10.2, 52.101.10.16, 52.101.11.13 and 5 others.