`concept4.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:38da^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:88ee^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.56.218^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.238^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mary.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c086^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2086^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mary.ns.cloudflare.com`
		A	108.162.192.134^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	172.64.32.134^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	173.245.58.134^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
NS	`pete.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b88^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c188^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pete.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2188^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pete.ns.cloudflare.com`
		A	108.162.193.136^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	172.64.33.136^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	173.245.59.136^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
MX	`concept4-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`47cdty3htwf99m5sbxs257n66wv6sgz1`
TXT	`MS=ms42072196`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.56.218, 172.67.136.238
		IPv6	2606:4700:3036::6815:38da, 2606:4700:3036::ac43:88ee
SOA	`mary.ns.cloudflare.com`dns@cloudflare.com serial=2396489827

`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=1771291435

Subdomains

mail.concept4.com

analytics.concept4.com

Same first word

concept4.lu

concept4.net

concept4.de

concept4.events

concept4.at

concept4.co.uk

concept4.nl

concept4.com

concept4.co

concept4.it

concept4.com.br

Similar names

4concept.sk

4concept.de

4concept.it

4concept.net

4concept.com

DNS History

14 records (7 active, 7 former)

●NSmary.ns.cloudflare.com2026-02-16 → 2026-03-06 · 3 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-03-06 04:34:54

○NSns67.1and1.co.uk2015-08-08 → 2017-04-18 · 4 obs

● 2015-08-08 04:08:26
● 2017-04-18 19:45:52
○ 2026-02-16 14:27:18
○ 2026-03-06 04:34:54

○NSns68.1and1.co.uk2015-08-08 → 2017-04-18 · 4 obs

● 2015-08-08 04:08:26
● 2017-04-18 19:45:52
○ 2026-02-16 14:27:18
○ 2026-03-06 04:34:54

●NSpete.ns.cloudflare.com2026-02-16 → 2026-03-06 · 3 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-03-06 04:34:54

●MXconcept4-com.mail.protection.outlook.com2026-02-16 → 2026-03-06 · 3 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-03-06 04:34:54

○MXconcept4.com.1.0001.arsmtp.com2016-09-17 → 2017-04-18 · 5 obs

○ 2016-03-26 01:26:32
● 2016-09-17 03:00:48
● 2017-04-18 19:45:52
○ 2026-02-16 14:27:18
○ 2026-03-06 04:34:54

○MXconcept4.com.2.0001.arsmtp.com2016-09-17 → 2017-04-18 · 5 obs

○ 2016-03-26 01:26:32
● 2016-09-17 03:00:48
● 2017-04-18 19:45:52
○ 2026-02-16 14:27:18
○ 2026-03-06 04:34:54

○MXin.mx.trendmicro.eu2015-08-08 → 2016-03-26 · 4 obs

● 2015-08-08 04:08:26
● 2016-03-26 01:26:32
○ 2016-09-17 03:00:48
○ 2026-03-06 04:34:54

●A104.21.56.2182026-02-16 → 2026-03-06 · 3 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-03-06 04:34:54

●A172.67.136.2382026-02-16 → 2026-03-06 · 3 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-03-06 04:34:54

○A185.35.248.1972016-03-26 → 2017-04-18 · 5 obs

○ 2016-03-12 03:36:02
● 2016-03-26 01:26:32
● 2017-04-18 19:45:52
○ 2026-02-16 14:27:18
○ 2026-03-06 04:34:54

○A188.65.114.1222015-08-08 → 2016-03-12 · 4 obs

● 2015-08-08 04:08:26
● 2016-03-12 03:36:02
○ 2016-03-26 01:26:32
○ 2026-03-06 04:34:54

●A2606:4700:3036::6815:38da2026-02-16 → 2026-03-06 · 3 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-03-06 04:34:54

●A2606:4700:3036::ac43:88ee2026-02-16 → 2026-03-06 · 3 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-03-06 04:34:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net...	-
concept4.com	pete.ns.cloudflare.com, mary.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.134

NS records: pete.ns.cloudflare.com, mary.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concept4.com (unsigned zone)

⏱️ Timing

Total: 225ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.56.218, 172.67.136.238`
AAAA	2	`2606:4700:3036::6815:38da, 2606:4700:3036::ac43:88ee`
NS	2	`mary.ns.cloudflare.com, pete.ns.cloudflare.com`
MX	1	`concept4-com.mail.protection.outlook.com`
TXT	3	`47cdty3htwf99m5sbxs257n66wv6sgz1, MS=ms42072196...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mary.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

concept4.com is a parent of mail.concept4.com and analytics.concept4.com.

IP Addresses

concept4.com maps to four IP numbers: 2606:4700:3036::6815:38da, 2606:4700:3036::ac43:88ee, 104.21.56.218 and 172.67.136.238.

Other host names, for instance heatheratwood.com, lec.com.ua, ashleyquinncpas.com, kerimov.net and qbay.com share IP numbers with concept4.com.

Name Servers

Two name servers mary.ns.cloudflare.com and pete.ns.cloudflare.com are delegated to concept4.com.

concept4.com uses the same name server configuration as other domains, such as appearancemedicine.co.nz, nant-de-drance.ch, glyphy.io, coventryappliancerepair.com and grampasnlr.com.

concept4.com at least partially shares name servers with other domains such as muphongvu.com, trapani.com.br, eb-cdn.com.au, sarcobd.com and cmeifu.com.

these name servers are commonly used with the name servers ben.ns.cloudflare.com.

Host names with six IP numbers: Host name mary.ns.cloudflare.com points to 2606:4700:50::adf5:3a86, 2803:f800:50::6ca2:c086, 2a06:98c1:50::ac40:2086, 108.162.192.134, 172.64.32.134 and 173.245.58.134; host name pete.ns.cloudflare.com points to 2606:4700:58::adf5:3b88, 2803:f800:50::6ca2:c188, 2a06:98c1:50::ac40:2188, 108.162.193.136, 172.64.33.136 and 173.245.59.136.

Mail Servers

concept4.com is handled by a single mail server, concept4-com.mail.protection.outlook.com.

concept4-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::, 52.101.89.0, 52.101.89.1, 52.101.89.2 and 52.101.99.2.

concept4.com - robtex.com

concept4.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`concept4.com`

`com`