`matejcek.com`

DNSSEC	⚠️ Not signed
A	104.17.87.30^{Cloudflare104.17.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.17.88.30^{Cloudflare104.17.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.17.89.30^{Cloudflare104.17.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.17.90.30^{Cloudflare104.17.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.17.91.30^{Cloudflare104.17.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`amanda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amanda.ns.cloudflare.com`
		A	108.162.192.63^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	172.64.32.63^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	173.245.58.63^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
NS	`andy.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b65^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c165^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`andy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2165^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`andy.ns.cloudflare.com`
		A	108.162.193.101^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andy.ns.cloudflare.com`
		A	172.64.33.101^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andy.ns.cloudflare.com`
		A	173.245.59.101^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andy.ns.cloudflare.com`
MX	`matejcek-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c802::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy4pr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::14^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f912::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr03cu00200.inbound.protection.outlook.com`
		A	52.101.10.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00204.inbound.protection.outlook.com`
		A	52.101.40.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy4pr03cu00101.inbound.protection.outlook.com`
		A	52.101.40.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr03cu00106.inbound.protection.outlook.com`
		A	52.101.50.7^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr21cu00207.inbound.protection.outlook.com`
TXT	`MS=ms23736839`
TXT	`ca3-4628f0b5749247f7b32b345c84bd1c9b`
TXT	`ca3-f81bd062fbb74d2ab55e8dc4ef65d8a0`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`amanda.ns.cloudflare.com`dns@cloudflare.com serial=2408794928

`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=1785446242

Same first word

matejcek.com

DNS History

18 records (8 active, 10 former)

●NSamanda.ns.cloudflare.com2020-04-05 → 2026-07-30 · 3 obs

○ 2017-02-16 19:41:40
● 2020-04-05 16:52:44
● 2026-07-30 21:25:40

●NSandy.ns.cloudflare.com2020-04-05 → 2026-07-30 · 3 obs

○ 2017-02-16 19:41:40
● 2020-04-05 16:52:44
● 2026-07-30 21:25:40

○NSns1.hickorytech.net2015-07-03 → 2017-02-16 · 4 obs

● 2015-07-03 08:51:46
● 2017-02-16 19:41:40
○ 2020-04-05 16:52:44
○ 2026-07-30 21:25:40

○NSns2.hickorytech.net2015-07-03 → 2017-02-16 · 4 obs

● 2015-07-03 08:51:46
● 2017-02-16 19:41:40
○ 2020-04-05 16:52:44
○ 2026-07-30 21:25:40

○MXhickorytech-mx-bk.messaging.lotuslive.com2015-07-03 → 2016-02-23 · 4 obs

● 2015-07-03 08:51:46
● 2016-02-23 08:23:30
○ 2016-07-08 19:33:16
○ 2026-07-30 21:25:40

○MXhickorytech-mx-bk.messaging.na.collabserv.com2016-07-08 → 2017-02-16 · 5 obs

○ 2016-02-23 08:23:30
● 2016-07-08 19:33:16
● 2017-02-16 19:41:40
○ 2020-04-05 16:52:44
○ 2026-07-30 21:25:40

○MXhickorytech-mx.messaging.lotuslive.com2015-07-03 → 2016-02-23 · 4 obs

● 2015-07-03 08:51:46
● 2016-02-23 08:23:30
○ 2016-07-08 19:33:16
○ 2026-07-30 21:25:40

○MXhickorytech-mx.messaging.na.collabserv.com2016-07-08 → 2017-02-16 · 5 obs

○ 2016-02-23 08:23:30
● 2016-07-08 19:33:16
● 2017-02-16 19:41:40
○ 2020-04-05 16:52:44
○ 2026-07-30 21:25:40

●MXmatejcek-com.mail.protection.outlook.com2026-03-24 → 2026-07-30 · 3 obs

○ 2020-04-05 16:52:44
● 2026-03-24 07:50:32
● 2026-07-30 21:25:40

○MXsemailds.sandhills.com2020-04-05 → 2020-04-05 · 4 obs

○ 2017-02-16 19:41:40
● 2020-04-05 16:52:44
○ 2026-03-24 07:50:32
○ 2026-07-30 21:25:40

○MXwemailds.sandhills.com2020-04-05 → 2020-04-05 · 4 obs

○ 2017-02-16 19:41:40
● 2020-04-05 16:52:44
○ 2026-03-24 07:50:32
○ 2026-07-30 21:25:40

●A104.17.87.302026-03-24 → 2026-07-30 · 3 obs

○ 2020-04-05 16:52:44
● 2026-03-24 07:50:32
● 2026-07-30 21:25:40

●A104.17.88.302026-03-24 → 2026-07-30 · 3 obs

○ 2020-04-05 16:52:44
● 2026-03-24 07:50:32
● 2026-07-30 21:25:40

●A104.17.89.302026-03-24 → 2026-07-30 · 3 obs

○ 2020-04-05 16:52:44
● 2026-03-24 07:50:32
● 2026-07-30 21:25:40

●A104.17.90.302026-03-24 → 2026-07-30 · 3 obs

○ 2020-04-05 16:52:44
● 2026-03-24 07:50:32
● 2026-07-30 21:25:40

●A104.17.91.302026-03-24 → 2026-07-30 · 3 obs

○ 2020-04-05 16:52:44
● 2026-03-24 07:50:32
● 2026-07-30 21:25:40

○A216.114.192.212015-07-03 → 2017-02-16 · 4 obs

● 2015-07-03 08:51:46
● 2017-02-16 19:41:40
○ 2020-04-05 16:52:44
○ 2026-07-30 21:25:40

○A63.70.164.2472020-04-05 → 2020-04-05 · 4 obs

○ 2017-02-16 19:41:40
● 2020-04-05 16:52:44
○ 2026-03-24 07:50:32
○ 2026-07-30 21:25:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
matejcek.com	andy.ns.cloudflare.com, amanda.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.63

NS records: andy.ns.cloudflare.com, amanda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for matejcek.com (unsigned zone)

⏱️ Timing

Total: 945ms | Queries: -

📄 Records

Type	Count	Sample Data
A	5	`104.17.89.30, 104.17.87.30...`
NS	2	`amanda.ns.cloudflare.com, andy.ns.cloudflare.com`
MX	1	`matejcek-com.mail.protection.outlook.com`
TXT	4	`MS=ms23736839, ca3-4628f0b5749247f7b32b345c84bd1c9b...`
SOA	1	`amanda.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

matejcek.com has five IP addresses, specifically 104.17.87.30, 104.17.88.30, 104.17.89.30 and two more

Among the host names that share IP numbers with matejcek.com are titansales.com, breauxbridgerental.com, agriplantsolutions.com and two others.

Name Servers

matejcek.com is delegated to two name servers: amanda.ns.cloudflare.com and andy.ns.cloudflare.com.

matejcek.com has the same name server delegation as a number of other domains, such as usamotorhomerentals.com, kellysgarageus.com, keastenterprises.com and two more.

matejcek.com partially shares its NS delegation with several other domains, including magno-spire.com, myqmslite.com, bemc.eu and two others.

These name servers are regularly seen alongside colin.ns.cloudflare.com and zariyah.ns.cloudflare.com as name servers.

Host names resolving to 6 IP numbers:

amanda.ns.cloudflare.com resolves to 108.162.192.63, 172.64.32.63, 173.245.58.63 and 3 other IP addresses.

andy.ns.cloudflare.com resolves to 108.162.193.101, 172.64.33.101, 173.245.59.101 and 3 other IP addresses.

Mail Servers

matejcek.com routes its mail through a single mail server, matejcek-com.mail.protection.outlook.com.

matejcek-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.10.12, 52.101.40.1 and 52.101.40.6, along with 5 other.

matejcek.com - robtex.com

matejcek.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`matejcek.com`

`com`