`aconcept.cz`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:a93a^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4f4a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.74^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.58^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cora.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26c3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cora.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cora.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cora.ns.cloudflare.com`
		A	108.162.194.195^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cora.ns.cloudflare.com`
		A	162.159.38.195^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cora.ns.cloudflare.com`
		A	172.64.34.195^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cora.ns.cloudflare.com`
NS	`phil.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`phil.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c189^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`phil.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2189^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`phil.ns.cloudflare.com`
		A	108.162.193.137^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`phil.ns.cloudflare.com`
		A	172.64.33.137^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`phil.ns.cloudflare.com`
		A	173.245.59.137^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`phil.ns.cloudflare.com`
MX	`mx1.forwardmx.net` ⭐
		A	5.78.45.44^{🇺🇸 HETZNER-CLOUD3-AS5.78.45.0/24}
			PTR	`mx1.mailforward.net`
MX	`mx2.forwardmx.net`⁽²⁰⁾
		A	5.78.45.44^{🇺🇸 HETZNER-CLOUD3-AS5.78.45.0/24}
			PTR	`mx1.mailforward.net`
TXT	`v=spf1 include:_spf.forwardmx.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.74, 172.67.169.58
		IPv6 hints	2606:4700:3035::ac43:a93a, 2606:4700:3037::6815:4f4a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=185, name=cloudflare-ech.com
SOA	`cora.ns.cloudflare.com`dns@cloudflare.com serial=2400329505

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1776055658

Same first word

aconcept.co

aconcept.ru

aconcept.cz

aconcept.fr

aconcept.kr

aconcept.de

aconcept.in

aconcept.ch

aconcept.be

aconcept.org

aconcept.com.vn

aconcept.info

aconcept.se

aconcept.no

aconcept.eu

aconcept.nl

aconcept.com.tr

Similar names

DNS History

17 records (8 active, 9 former)

○NSalfa.ns.active24.cz2015-08-08 → 2017-03-23 · 4 obs

● 2015-08-08 10:34:08
● 2017-03-23 15:56:00
○ 2026-03-26 06:06:32
○ 2026-04-13 05:04:12

○NSbeta.ns.active24.cz2015-08-08 → 2017-03-23 · 4 obs

● 2015-08-08 10:34:08
● 2017-03-23 15:56:00
○ 2026-03-26 06:06:32
○ 2026-04-13 05:04:12

●NScora.ns.cloudflare.com2026-03-26 → 2026-04-13 · 3 obs

○ 2017-03-23 15:56:00
● 2026-03-26 06:06:32
● 2026-04-13 05:04:12

○NSgama.ns.active24.sk2015-08-08 → 2017-03-23 · 4 obs

● 2015-08-08 10:34:08
● 2017-03-23 15:56:00
○ 2026-03-26 06:06:32
○ 2026-04-13 05:04:12

●NSphil.ns.cloudflare.com2026-03-26 → 2026-04-13 · 3 obs

○ 2017-03-23 15:56:00
● 2026-03-26 06:06:32
● 2026-04-13 05:04:12

○MXin.smtp.cz2015-08-08 → 2016-03-10 · 4 obs

● 2015-08-08 10:34:08
● 2016-03-10 07:43:52
○ 2017-03-23 15:56:00
○ 2026-04-13 05:04:12

○MXmx.smtp.cz2015-08-08 → 2016-03-10 · 4 obs

● 2015-08-08 10:34:08
● 2016-03-10 07:43:52
○ 2017-03-23 15:56:00
○ 2026-04-13 05:04:12

○MXmx1.active24.com2017-03-23 → 2017-03-23 · 4 obs

○ 2016-03-10 07:43:52
● 2017-03-23 15:56:00
○ 2026-03-26 06:06:32
○ 2026-04-13 05:04:12

●MXmx1.forwardmx.net2026-03-26 → 2026-04-13 · 3 obs

○ 2017-03-23 15:56:00
● 2026-03-26 06:06:32
● 2026-04-13 05:04:12

○MXmx2.active24.com2017-03-23 → 2017-03-23 · 4 obs

○ 2016-03-10 07:43:52
● 2017-03-23 15:56:00
○ 2026-03-26 06:06:32
○ 2026-04-13 05:04:12

●MXmx2.forwardmx.net2026-03-26 → 2026-04-13 · 3 obs

○ 2017-03-23 15:56:00
● 2026-03-26 06:06:32
● 2026-04-13 05:04:12

●A104.21.79.742026-03-26 → 2026-04-13 · 3 obs

○ 2017-03-23 15:56:00
● 2026-03-26 06:06:32
● 2026-04-13 05:04:12

●A172.67.169.582026-03-26 → 2026-04-13 · 3 obs

○ 2017-03-23 15:56:00
● 2026-03-26 06:06:32
● 2026-04-13 05:04:12

●A2606:4700:3035::ac43:a93a2026-03-26 → 2026-04-13 · 3 obs

○ 2017-03-23 15:56:00
● 2026-03-26 06:06:32
● 2026-04-13 05:04:12

●A2606:4700:3037::6815:4f4a2026-03-26 → 2026-04-13 · 3 obs

○ 2017-03-23 15:56:00
● 2026-03-26 06:06:32
● 2026-04-13 05:04:12

○A2a02:4a8:ac24:102::96:942015-08-08 → 2017-03-23 · 4 obs

● 2015-08-08 10:34:08
● 2017-03-23 15:56:00
○ 2026-03-26 06:06:32
○ 2026-04-13 05:04:12

○A81.95.96.942015-08-08 → 2017-03-23 · 4 obs

● 2015-08-08 10:34:08
● 2017-03-23 15:56:00
○ 2026-03-26 06:06:32
○ 2026-04-13 05:04:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
aconcept.cz	cora.ns.cloudflare.com, phil.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.137

NS records: cora.ns.cloudflare.com, phil.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for aconcept.cz (unsigned zone)

⏱️ Timing

Total: 1075ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.169.58, 104.21.79.74`
AAAA	2	`2606:4700:3037::6815:4f4a, 2606:4700:3035::ac43:a93a`
NS	2	`cora.ns.cloudflare.com, phil.ns.cloudflare.com`
MX	2	`mx1.forwardmx.net (pri: 10), mx2.forwardmx.net (pri: 20)`
TXT	1	`v=spf1 include:_spf.forwardmx.net -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cora.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

aconcept.cz maps to four IP numbers: 2606:4700:3035::ac43:a93a, 2606:4700:3037::6815:4f4a, 104.21.79.74 and 172.67.169.58.

Other host names, for instance orthodontist-indianapolis.com, solsolana.solhost.cc, 92.guozhi.org, w1.putlocker.to and haix.co.uk share IP numbers with aconcept.cz.

Name Servers

Two name servers cora.ns.cloudflare.com and phil.ns.cloudflare.com are delegated to aconcept.cz.

aconcept.cz uses the same name server configuration as other domains, such as pendentive.biz, creativheads.com, totinternet.net, paretox.com and starfs.cc.

aconcept.cz at least partially shares name servers with other domains such as 12cuci.life, mirfutbola.com, fifachamps.com, digitalmilenium.com and grannypatty.tv.

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

Host names with six IP numbers: Host name cora.ns.cloudflare.com points to 2606:4700:50::a29f:26c3, 2803:f800:50::6ca2:c2c3, 2a06:98c1:50::ac40:22c3, 108.162.194.195, 162.159.38.195 and 172.64.34.195; host name phil.ns.cloudflare.com points to 2606:4700:58::adf5:3b89, 2803:f800:50::6ca2:c189, 2a06:98c1:50::ac40:2189, 108.162.193.137, 172.64.33.137 and 173.245.59.137.

Mail Servers

Two mail servers handle aconcept.cz: mx1.forwardmx.net and mx2.forwardmx.net.

aconcept.cz shares the same mail server setup as other domains, including shipandshape.com, pmdennis.com, bonillapetstudio.com, dgnhosting.net and pixelnovel.com.

aconcept.cz shares mail servers with other domains at least in part, for instance allesschneider-test.net, humanblood.de, imbisskult.de, du-und-deine-zukunft.de and abingdon-st-helens.org.uk.

Hostnames with one IP number:

mx1.forwardmx.net points to 5.78.45.44

mx2.forwardmx.net points to 5.78.45.44

Hostnames pointing to 5.78.45.44: mx1.forwardmx.net, mx2.forwardmx.net

aconcept.cz - robtex.com

aconcept.cz

cz

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`aconcept.cz`

`cz`