`b-concept.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:cc9b^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:5d36^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.93.54^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.155^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alexis.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexis.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alexis.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alexis.ns.cloudflare.com`
		A	108.162.193.60^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexis.ns.cloudflare.com`
		A	172.64.33.60^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexis.ns.cloudflare.com`
		A	173.245.59.60^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexis.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	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁶⁴⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁸⁶⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net include:secureserver.net include:mailch...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.93.54, 172.67.204.155
		IPv6 hints	2606:4700:3033::ac43:cc9b, 2606:4700:3036::6815:5d36
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=169, name=cloudflare-ech.com
SOA	`alexis.ns.cloudflare.com`dns@cloudflare.com serial=2399383865

`net`

	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=1777320586

Previously MX for

b-concept.net

Same first word

b-concept.de

b-concept.eu

b-concept.ru

b-concept.ro

b-concept.info

b-concept.net

b-concept.store

b-concept.org

b-concept.tokyo

b-concept.com

b-concept.biz

b-concept.online

b-concept.be

Similar names

concept-b.com

concept-b.ru

concept-b.co.jp

concept-b.de

DNS History

29 records (9 active, 20 former)

●NSalexis.ns.cloudflare.com2026-04-04 → 2026-04-27 · 3 obs

○ 2018-09-20 22:32:10
● 2026-04-04 09:55:30
● 2026-04-27 20:33:38

●NSmeadow.ns.cloudflare.com2026-04-04 → 2026-04-27 · 3 obs

○ 2018-09-20 22:32:10
● 2026-04-04 09:55:30
● 2026-04-27 20:33:38

○NSns-de.1and1-dns.biz2016-05-01 → 2017-02-06 · 5 obs

○ 2016-01-27 00:07:18
● 2016-05-01 23:33:58
● 2017-02-06 13:31:08
○ 2018-09-20 22:32:10
○ 2026-04-27 20:33:38

○NSns-de.1and1-dns.com2016-05-01 → 2017-02-06 · 5 obs

○ 2016-01-27 00:07:18
● 2016-05-01 23:33:58
● 2017-02-06 13:31:08
○ 2018-09-20 22:32:10
○ 2026-04-27 20:33:38

○NSns-de.1and1-dns.de2016-05-01 → 2017-02-06 · 5 obs

○ 2016-01-27 00:07:18
● 2016-05-01 23:33:58
● 2017-02-06 13:31:08
○ 2018-09-20 22:32:10
○ 2026-04-27 20:33:38

○NSns-de.1and1-dns.org2016-05-01 → 2017-02-06 · 5 obs

○ 2016-01-27 00:07:18
● 2016-05-01 23:33:58
● 2017-02-06 13:31:08
○ 2018-09-20 22:32:10
○ 2026-04-27 20:33:38

○NSns.udag.de2018-09-20 → 2018-09-20 · 4 obs

○ 2017-02-06 13:31:08
● 2018-09-20 22:32:10
○ 2026-04-04 09:55:30
○ 2026-04-27 20:33:38

○NSns.udag.net2018-09-20 → 2018-09-20 · 4 obs

○ 2017-02-06 13:31:08
● 2018-09-20 22:32:10
○ 2026-04-04 09:55:30
○ 2026-04-27 20:33:38

○NSns.udag.org2018-09-20 → 2018-09-20 · 4 obs

○ 2017-02-06 13:31:08
● 2018-09-20 22:32:10
○ 2026-04-04 09:55:30
○ 2026-04-27 20:33:38

○NSns1.xserver.jp2015-06-25 → 2015-11-07 · 4 obs

● 2015-06-25 21:52:38
● 2015-11-07 04:36:34
○ 2016-01-27 00:07:18
○ 2026-04-27 20:33:38

○NSns2.xserver.jp2015-06-25 → 2015-11-07 · 4 obs

● 2015-06-25 21:52:38
● 2015-11-07 04:36:34
○ 2016-01-27 00:07:18
○ 2026-04-27 20:33:38

○NSns3.xserver.jp2015-06-25 → 2015-11-07 · 4 obs

● 2015-06-25 21:52:38
● 2015-11-07 04:36:34
○ 2016-01-27 00:07:18
○ 2026-04-27 20:33:38

○NSns4.xserver.jp2015-06-25 → 2015-11-07 · 4 obs

● 2015-06-25 21:52:38
● 2015-11-07 04:36:34
○ 2016-01-27 00:07:18
○ 2026-04-27 20:33:38

○NSns5.xserver.jp2015-06-25 → 2015-11-07 · 4 obs

● 2015-06-25 21:52:38
● 2015-11-07 04:36:34
○ 2016-01-27 00:07:18
○ 2026-04-27 20:33:38

○MXb-concept.net2015-06-25 → 2015-11-07 · 4 obs

● 2015-06-25 21:52:38
● 2015-11-07 04:36:34
○ 2016-01-27 00:07:18
○ 2026-04-27 20:33:38

○MXmx00.kundenserver.de2016-05-01 → 2017-02-06 · 5 obs

○ 2016-01-27 00:07:18
● 2016-05-01 23:33:58
● 2017-02-06 13:31:08
○ 2018-09-20 22:32:10
○ 2026-04-27 20:33:38

○MXmx01.kundenserver.de2016-05-01 → 2017-02-06 · 5 obs

○ 2016-01-27 00:07:18
● 2016-05-01 23:33:58
● 2017-02-06 13:31:08
○ 2018-09-20 22:32:10
○ 2026-04-27 20:33:38

●MXroute1.mx.cloudflare.net2026-04-04 → 2026-04-27 · 3 obs

○ 2018-09-20 22:32:10
● 2026-04-04 09:55:30
● 2026-04-27 20:33:38

●MXroute2.mx.cloudflare.net2026-04-04 → 2026-04-27 · 3 obs

○ 2018-09-20 22:32:10
● 2026-04-04 09:55:30
● 2026-04-27 20:33:38

●MXroute3.mx.cloudflare.net2026-04-04 → 2026-04-27 · 3 obs

○ 2018-09-20 22:32:10
● 2026-04-04 09:55:30
● 2026-04-27 20:33:38

○MXsmx00.udag.de2018-09-20 → 2018-09-20 · 4 obs

○ 2017-02-06 13:31:08
● 2018-09-20 22:32:10
○ 2026-04-04 09:55:30
○ 2026-04-27 20:33:38

○MXsmx01.udag.de2018-09-20 → 2018-09-20 · 4 obs

○ 2017-02-06 13:31:08
● 2018-09-20 22:32:10
○ 2026-04-04 09:55:30
○ 2026-04-27 20:33:38

●A104.21.93.542026-04-04 → 2026-04-27 · 3 obs

○ 2018-09-20 22:32:10
● 2026-04-04 09:55:30
● 2026-04-27 20:33:38

○A157.112.176.612015-06-25 → 2015-11-07 · 4 obs

● 2015-06-25 21:52:38
● 2015-11-07 04:36:34
○ 2016-01-27 00:07:18
○ 2026-04-27 20:33:38

●A172.67.204.1552026-04-04 → 2026-04-27 · 3 obs

○ 2018-09-20 22:32:10
● 2026-04-04 09:55:30
● 2026-04-27 20:33:38

○A217.160.184.1852016-05-01 → 2017-02-06 · 5 obs

○ 2016-01-27 00:07:18
● 2016-05-01 23:33:58
● 2017-02-06 13:31:08
○ 2018-09-20 22:32:10
○ 2026-04-27 20:33:38

●A2606:4700:3033::ac43:cc9b2026-04-04 → 2026-04-27 · 3 obs

○ 2018-09-20 22:32:10
● 2026-04-04 09:55:30
● 2026-04-27 20:33:38

●A2606:4700:3036::6815:5d362026-04-04 → 2026-04-27 · 3 obs

○ 2018-09-20 22:32:10
● 2026-04-04 09:55:30
● 2026-04-27 20:33:38

○A89.31.143.12018-09-20 → 2018-09-20 · 4 obs

○ 2017-02-06 13:31:08
● 2018-09-20 22:32:10
○ 2026-04-04 09:55:30
○ 2026-04-27 20:33:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net...	-
b-concept.net	alexis.ns.cloudflare.com, meadow.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.60

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b-concept.net (unsigned zone)

⏱️ Timing

Total: 489ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.93.54, 172.67.204.155`
AAAA	2	`2606:4700:3036::6815:5d36, 2606:4700:3033::ac43:cc9b`
NS	2	`alexis.ns.cloudflare.com, meadow.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 18), route3.mx.cloudflare.net (pri: 64)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net in`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alexis.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

Four IP numbers are pointed to by b-concept.net: 2606:4700:3033::ac43:cc9b, 2606:4700:3036::6815:5d36, 104.21.93.54 and 172.67.204.155.

other host names including kuriname.com, motogm.com, bkzhtdglass.com, qh.xxyyss28.top and findandconvert.com share IP numbers with b-concept.net.

Name Servers

b-concept.net is delegated to two name servers alexis.ns.cloudflare.com and meadow.ns.cloudflare.com.

b-concept.net shares the same name server setup as other domains, for instance tredenex-vision-ai-app.com, mobica.net, oguzergin.com, lythervia.com and eqe.pl.

b-concept.net at least partially shares name servers with other domains, for instance bolanmachinery.com, mygonzo.com, mariage-passion.fr, acki.be and ergoshape.be.

these name servers are commonly used alongside arvind.ns.cloudflare.com.

Host names with six IP numbers:

Host name alexis.ns.cloudflare.com points to: 2606:4700:58::adf5:3b3c, 2803:f800:50::6ca2:c13c, 2a06:98c1:50::ac40:213c, 108.162.193.60, 172.64.33.60 and 173.245.59.60.

Host name meadow.ns.cloudflare.com points to: 2606:4700:50::a29f:2633, 2803:f800:50::6ca2:c233, 2a06:98c1:50::ac40:2233, 108.162.194.51, 162.159.38.51 and 172.64.34.51.

Mail Servers

b-concept.net is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

b-concept.net shares some mail servers with other domains, at least partially, for instance gomo-sek.art, termoservis.hr, sihat.net, aladinz.com and tousmax.com.

Host names with six IP numbers:

Host name route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

Host name route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

Host name route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

b-concept.net - robtex.com

b-concept.net

net

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`b-concept.net`

`net`