concept4.com - dns.ninja

`concept4.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:38da^{🇺🇸 Cloudflare2606:4700:3031::/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:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00601.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	52.101.99.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00600.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 hints	104.21.56.218, 172.67.136.238
		IPv6 hints	2606:4700:3031::6815:38da, 2606:4700:3036::ac43:88ee
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=28, name=cloudflare-ech.com
SOA	`mary.ns.cloudflare.com`dns@cloudflare.com serial=2410110771

`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=1786219449

Subdomains

mail.concept4.com

analytics.concept4.com

Same first word

concept4.ch

concept4.lu

concept4.art

concept4.net

concept4.de

concept4.events

concept4.dk

concept4.at

concept4.co.uk

concept4.nl

concept4.com

concept4.co

concept4.it

concept4.com.br

concept4.org

Similar names

4concept.sk

4concept.de

4concept.it

4concept.net

4concept.com

DNS History

15 records (7 active, 8 former)

●NSmary.ns.cloudflare.com2026-02-16 → 2026-08-08 · 3 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-08-08 20:24:10

○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
○ 2026-08-08 20:24:10

○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
○ 2026-08-08 20:24:10

●NSpete.ns.cloudflare.com2026-02-16 → 2026-08-08 · 3 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-08-08 20:24:10

●MXconcept4-com.mail.protection.outlook.com2026-02-16 → 2026-08-08 · 3 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-08-08 20:24:10

○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
○ 2026-08-08 20:24:10

○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
○ 2026-08-08 20:24:10

○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
○ 2026-08-08 20:24:10

●A104.21.56.2182026-02-16 → 2026-08-08 · 3 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-08-08 20:24:10

●A172.67.136.2382026-02-16 → 2026-08-08 · 3 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-08-08 20:24:10

○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
○ 2026-08-08 20:24:10

○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
○ 2026-08-08 20:24:10

●A2606:4700:3031::6815:38da2026-07-08 → 2026-08-08 · 3 obs

○ 2026-06-05 08:46:26
● 2026-07-08 18:00:04
● 2026-08-08 20:24:10

○A2606:4700:3036::6815:38da2026-02-16 → 2026-06-05 · 5 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-06-05 08:46:26
○ 2026-07-08 18:00:04
○ 2026-08-08 20:24:10

●A2606:4700:3036::ac43:88ee2026-02-16 → 2026-08-08 · 3 obs

○ 2017-04-18 19:45:52
● 2026-02-16 14:27:18
● 2026-08-08 20:24:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 1226ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.56.218, 172.67.136.238`
AAAA	2	`2606:4700:3031::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

mail.concept4.com and analytics.concept4.com are both subdomains of concept4.com.

IP Addresses

concept4.com resolves to four IP addresses: 104.21.56.218, 172.67.136.238, 2606:4700:3031::6815:38da and 2606:4700:3036::ac43:88ee.

url9476.a11ybar.com, heatheratwood.com, lec.com.ua and two other host names share IP numbers with concept4.com.

Name Servers

concept4.com uses two name servers for its delegation: mary.ns.cloudflare.com and pete.ns.cloudflare.com.

concept4.com uses the same name servers as several other domains — among them appearancemedicine.co.nz, nant-de-drance.ch, glyphy.io and two more.

concept4.com has at least partial name server overlap with other domains, such as muphongvu.com, links-go.com, eb-cdn.com.au and two others.

It is common to find these name servers paired with the name servers ezra.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname mary.ns.cloudflare.com directs to 108.162.192.134, 172.64.32.134 and 173.245.58.134 along with 3 other IP addresses.

Hostname pete.ns.cloudflare.com directs to 108.162.193.136, 172.64.33.136 and 173.245.59.136 along with 3 other IP addresses.

Mail Servers

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

concept4-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.89.1, 52.101.89.2, 52.101.99.0 and 5 others.