`czechinternet.info`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:df0^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8581^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.240^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.129^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`angela.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a41^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`angela.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c041^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`angela.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2041^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`angela.ns.cloudflare.com`
		A	108.162.192.65^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`angela.ns.cloudflare.com`
		A	172.64.32.65^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`angela.ns.cloudflare.com`
		A	173.245.58.65^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`angela.ns.cloudflare.com`
NS	`toby.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bef^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ef^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`toby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ef^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`toby.ns.cloudflare.com`
		A	108.162.193.239^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	172.64.33.239^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	173.245.59.239^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
MX	`_dc-mx.83ef170832db.czechinternet.info` ⭐
		A	212.224.112.72^{🇩🇪 FORNEX-AS212.224.112.0/24}
			PTR	`hostde26.fornex.host`
TXT	`v=spf1 ip4:195.201.170.188 ip4:195.201.170.188 a mx ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.13.240, 172.67.133.129
		IPv6	2606:4700:3034::6815:df0, 2606:4700:3035::ac43:8581
SOA	`angela.ns.cloudflare.com`dns@cloudflare.com serial=2397117487

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1774419379

Same first word

czechinternet.com

czechinternet.info

Similar names

thezencentric.com

DNS History

24 records (7 active, 17 former)

●NSangela.ns.cloudflare.com2026-02-19 → 2026-03-25 · 3 obs

○ 2016-12-03 21:58:58
● 2026-02-19 15:09:46
● 2026-03-25 06:53:46

○NSdns01.park.onamae.com2016-04-21 → 2016-04-21 · 4 obs

○ 2016-01-27 16:03:58
● 2016-04-21 20:55:18
○ 2016-12-03 21:58:58
○ 2026-03-25 06:53:46

○NSdns02.park.onamae.com2016-04-21 → 2016-04-21 · 4 obs

○ 2016-01-27 16:03:58
● 2016-04-21 20:55:18
○ 2016-12-03 21:58:58
○ 2026-03-25 06:53:46

○NSns1.extrem.jp2016-12-03 → 2016-12-03 · 4 obs

○ 2016-04-21 20:55:18
● 2016-12-03 21:58:58
○ 2026-02-19 15:09:46
○ 2026-03-25 06:53:46

○NSns1.gmointernet.com2016-04-21 → 2016-04-21 · 4 obs

○ 2016-01-27 16:03:58
● 2016-04-21 20:55:18
○ 2016-12-03 21:58:58
○ 2026-03-25 06:53:46

○NSns1.ipage.com2015-07-07 → 2016-01-27 · 4 obs

● 2015-07-07 21:04:10
● 2016-01-27 16:03:58
○ 2016-04-21 20:55:18
○ 2026-03-25 06:53:46

○NSns2.extrem.jp2016-12-03 → 2016-12-03 · 4 obs

○ 2016-04-21 20:55:18
● 2016-12-03 21:58:58
○ 2026-02-19 15:09:46
○ 2026-03-25 06:53:46

○NSns2.ipage.com2015-07-07 → 2016-01-27 · 4 obs

● 2015-07-07 21:04:10
● 2016-01-27 16:03:58
○ 2016-04-21 20:55:18
○ 2026-03-25 06:53:46

●NStoby.ns.cloudflare.com2026-02-19 → 2026-03-25 · 3 obs

○ 2016-12-03 21:58:58
● 2026-02-19 15:09:46
● 2026-03-25 06:53:46

●MX_dc-mx.83ef170832db.czechinternet.info2026-02-19 → 2026-03-25 · 3 obs

○ 2016-04-21 20:55:18
● 2026-02-19 15:09:46
● 2026-03-25 06:53:46

○MXmx.czechinternet.info2015-07-07 → 2016-01-27 · 4 obs

● 2015-07-07 21:04:10
● 2016-01-27 16:03:58
○ 2016-04-21 20:55:18
○ 2026-03-25 06:53:46

●A104.21.13.2402026-02-19 → 2026-03-25 · 5 obs

○ 2018-01-13 05:43:42
● 2026-02-19 15:09:46
○ 2026-02-19 20:54:36
● 2026-03-25 06:53:44
● 2026-03-25 06:53:46

○A166.78.103.62018-01-13 → 2018-01-13 · 4 obs

○ 2016-12-03 21:58:58
● 2018-01-13 05:43:42
○ 2026-02-19 15:09:46
○ 2026-03-25 06:53:46

●A172.67.133.1292026-02-19 → 2026-03-25 · 5 obs

○ 2018-01-13 05:43:42
● 2026-02-19 15:09:46
○ 2026-02-19 20:54:36
● 2026-03-25 06:53:44
● 2026-03-25 06:53:46

○A188.114.96.02026-02-19 → 2026-02-19 · 4 obs

○ 2026-02-19 15:09:46
● 2026-02-19 20:54:36
○ 2026-03-25 06:53:44
○ 2026-03-25 06:53:46

○A188.114.97.02026-02-19 → 2026-02-19 · 4 obs

○ 2026-02-19 15:09:46
● 2026-02-19 20:54:36
○ 2026-03-25 06:53:44
○ 2026-03-25 06:53:46

○A210.157.1.1342016-04-21 → 2016-04-21 · 4 obs

○ 2016-01-27 16:03:58
● 2016-04-21 20:55:18
○ 2016-12-03 21:58:58
○ 2026-03-25 06:53:46

●A2606:4700:3034::6815:df02026-02-19 → 2026-03-25 · 5 obs

○ 2018-01-13 05:43:42
● 2026-02-19 15:09:46
○ 2026-02-19 20:54:36
● 2026-03-25 06:53:44
● 2026-03-25 06:53:46

●A2606:4700:3035::ac43:85812026-02-19 → 2026-03-25 · 5 obs

○ 2018-01-13 05:43:42
● 2026-02-19 15:09:46
○ 2026-02-19 20:54:36
● 2026-03-25 06:53:44
● 2026-03-25 06:53:46

○A2a06:98c1:3120::2026-02-19 → 2026-02-19 · 4 obs

○ 2026-02-19 15:09:46
● 2026-02-19 20:54:36
○ 2026-03-25 06:53:44
○ 2026-03-25 06:53:46

○A2a06:98c1:3121::2026-02-19 → 2026-02-19 · 4 obs

○ 2026-02-19 15:09:46
● 2026-02-19 20:54:36
○ 2026-03-25 06:53:44
○ 2026-03-25 06:53:46

○A66.96.147.1062015-11-11 → 2015-11-11 · 4 obs

○ 2015-07-07 21:04:10
● 2015-11-11 04:11:06
○ 2016-01-27 16:03:58
○ 2026-03-25 06:53:46

○A66.96.147.1102015-07-07 → 2015-07-07 · 3 obs

● 2015-07-07 21:04:10
○ 2015-11-11 04:11:06
○ 2026-03-25 06:53:46

○A66.96.149.12016-01-27 → 2016-01-27 · 4 obs

○ 2015-11-11 04:11:06
● 2016-01-27 16:03:58
○ 2016-04-21 20:55:18
○ 2026-03-25 06:53:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
czechinternet.info	angela.ns.cloudflare.com, toby.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.65

NS records: angela.ns.cloudflare.com, toby.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for czechinternet.info (unsigned zone)

⏱️ Timing

Total: 457ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.133.129, 104.21.13.240`
AAAA	2	`2606:4700:3035::ac43:8581, 2606:4700:3034::6815:df0`
NS	2	`angela.ns.cloudflare.com, toby.ns.cloudflare.com`
MX	2	`_dc-mx.83ef170832db.czechinternet.info (, _dc-mx.83ef170832db.czechinternet.info (`
TXT	1	`v=spf1 ip4:195.201.170.188 ip4:195.201.1`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`angela.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

czechinternet.info points to four IP numbers: 2606:4700:3034::6815:df0, 2606:4700:3035::ac43:8581, 104.21.13.240 and 172.67.133.129.

Other host names, for instance mu288.online, d6fn32.piisgusu.com, www.timeoutsiivouspalvelu.fi, (0x68656e746169)password.com and mortepoint.co.uk share IP numbers with czechinternet.info.

Name Servers

czechinternet.info's delegation is to two name servers angela.ns.cloudflare.com and toby.ns.cloudflare.com.

czechinternet.info shares the same name server configuration as other domains, such as usefulbookmarks.info, schwartzman.org, kw21.org, ssrahul96.xyz and tvlocations.info.

czechinternet.info at least partially shares its name servers with other domains, for instance livesci.org, gelora188-a.sbs, cartint.net.au, rfg.bg and etcsimkt.vip.

These name servers are commonly used alongside kate.ns.cloudflare.com and ollie.ns.cloudflare.com.

Host names with six IP numbers:

angela.ns.cloudflare.com points to: 2606:4700:50::adf5:3a41, 2803:f800:50::6ca2:c041, 2a06:98c1:50::ac40:2041, 108.162.192.65, 172.64.32.65 and 173.245.58.65.

toby.ns.cloudflare.com points to: 2606:4700:58::adf5:3bef, 2803:f800:50::6ca2:c1ef, 2a06:98c1:50::ac40:21ef, 108.162.193.239, 172.64.33.239 and 173.245.59.239.

Mail Servers

czechinternet.info is served by a single mail server, _dc-mx.83ef170832db.czechinternet.info.

_dc-mx.83ef170832db.czechinternet.info points to IP number 212.224.112.72.

czechinternet.info - robtex.com