`czechtec.eu`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:e67^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:9ea1^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.14.103^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.158.161^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elly.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26f6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elly.ns.cloudflare.com`
		A	108.162.194.246^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
		A	162.159.38.246^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
		A	172.64.34.246^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
NS	`julio.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cd1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julio.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`julio.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`julio.ns.cloudflare.com`
		A	108.162.195.209^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julio.ns.cloudflare.com`
		A	162.159.44.209^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julio.ns.cloudflare.com`
		A	172.64.35.209^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julio.ns.cloudflare.com`
TXT	`7230468fb60603edd2aed87dd8c24eaf85891ed6`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.14.103, 172.67.158.161
		IPv6 hints	2606:4700:3031::6815:e67, 2606:4700:3035::ac43:9ea1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOA	`elly.ns.cloudflare.com`dns@cloudflare.com serial=2398463695

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1123725510

Same first word

czechtec.eu

DNS History

15 records (6 active, 9 former)

●NSelly.ns.cloudflare.com2026-02-25 → 2026-04-29 · 3 obs

○ 2018-10-31 02:33:22
● 2026-02-25 08:20:00
● 2026-04-29 01:09:40

●NSjulio.ns.cloudflare.com2026-02-25 → 2026-04-29 · 3 obs

○ 2018-10-31 02:33:22
● 2026-02-25 08:20:00
● 2026-04-29 01:09:40

○NSns1.regzone.cz2015-07-01 → 2018-10-31 · 4 obs

● 2015-07-01 02:58:22
● 2018-10-31 02:33:22
○ 2026-02-25 08:20:00
○ 2026-04-29 01:09:40

○NSns1.regzone.de2015-07-01 → 2018-10-31 · 4 obs

● 2015-07-01 02:58:22
● 2018-10-31 02:33:22
○ 2026-02-25 08:20:00
○ 2026-04-29 01:09:40

○NSns1.regzone.info2015-07-01 → 2018-10-31 · 4 obs

● 2015-07-01 02:58:22
● 2018-10-31 02:33:22
○ 2026-02-25 08:20:00
○ 2026-04-29 01:09:40

○MXmail.cazer.cz2015-07-01 → 2018-10-31 · 4 obs

● 2015-07-01 02:58:22
● 2018-10-31 02:33:22
○ 2026-02-25 08:20:00
○ 2026-04-29 01:09:40

○MXserver.cazer.cz2015-07-01 → 2018-10-31 · 4 obs

● 2015-07-01 02:58:22
● 2018-10-31 02:33:22
○ 2026-02-25 08:20:00
○ 2026-04-29 01:09:40

●A104.21.14.1032026-02-25 → 2026-04-29 · 3 obs

○ 2018-10-31 02:33:22
● 2026-02-25 08:20:00
● 2026-04-29 01:09:40

●A172.67.158.1612026-02-25 → 2026-04-29 · 3 obs

○ 2018-10-31 02:33:22
● 2026-02-25 08:20:00
● 2026-04-29 01:09:40

○A217.198.115.1682015-07-01 → 2016-05-01 · 4 obs

● 2015-07-01 02:58:22
● 2016-05-01 20:12:54
○ 2017-01-08 06:28:22
○ 2026-04-29 01:09:40

○A217.198.116.1882017-01-08 → 2018-10-31 · 5 obs

○ 2016-05-01 20:12:54
● 2017-01-08 06:28:22
● 2018-10-31 02:33:22
○ 2026-02-25 08:20:00
○ 2026-04-29 01:09:40

●A2606:4700:3031::6815:e672026-02-25 → 2026-04-29 · 3 obs

○ 2018-10-31 02:33:22
● 2026-02-25 08:20:00
● 2026-04-29 01:09:40

●A2606:4700:3035::ac43:9ea12026-02-25 → 2026-04-29 · 3 obs

○ 2018-10-31 02:33:22
● 2026-02-25 08:20:00
● 2026-04-29 01:09:40

○A2a00:19a0:3:73:0:d9c6:73a8:12015-07-01 → 2016-05-01 · 4 obs

● 2015-07-01 02:58:22
● 2016-05-01 20:12:54
○ 2017-01-08 06:28:22
○ 2026-04-29 01:09:40

○A2a00:19a0:3:74:0:d9c6:74bc:12018-10-31 → 2018-10-31 · 4 obs

○ 2017-01-08 06:28:22
● 2018-10-31 02:33:22
○ 2026-02-25 08:20:00
○ 2026-04-29 01:09:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	be.dns.eu, x.dns.eu, y.dns.eu, w.dns.eu...	-
czechtec.eu	julio.ns.cloudflare.com, elly.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.209

NS records: julio.ns.cloudflare.com, elly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for czechtec.eu (unsigned zone)

⏱️ Timing

Total: 537ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.14.103, 172.67.158.161`
AAAA	2	`2606:4700:3035::ac43:9ea1, 2606:4700:3031::6815:e67`
NS	2	`elly.ns.cloudflare.com, julio.ns.cloudflare.com`
TXT	1	`7230468fb60603edd2aed87dd8c24eaf85891ed6`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elly.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

czechtec.eu points to four IP numbers: 2606:4700:3031::6815:e67, 2606:4700:3035::ac43:9ea1, 104.21.14.103 and 172.67.158.161.

Other host names, for instance elswickllc.com, nrpbzre.life, mail.vitrina.pl, railroadsquarecinema.com and loveandprosperityexpress.com share IP numbers with czechtec.eu.

Name Servers

Delegation for czechtec.eu rests with two name servers, elly.ns.cloudflare.com and julio.ns.cloudflare.com.

czechtec.eu shares the same name server setup as other domains, including flowupdyr.digital, eteknics.com, heiolilyralbyeon.com, ascendwithinmeronix.digital and menoscloud.com.

czechtec.eu at least partially shares name servers with other domains, for instance carrefour-transenprovence.fr, ascension-motorsports.com, dl-zl.com, shunanfc.com and cheapscaps.com.

These name servers are often used together with jasper.ns.cloudflare.com, elinore.ns.cloudflare.com, hank.ns.cloudflare.com, jaime.ns.cloudflare.com and ruben.ns.cloudflare.com.

Host names with six IP numbers: elly.ns.cloudflare.com points to: 2606:4700:50::a29f:26f6, 2803:f800:50::6ca2:c2f6, 2a06:98c1:50::ac40:22f6, 108.162.194.246, 162.159.38.246 and 172.64.34.246. julio.ns.cloudflare.com points to: 2606:4700:58::a29f:2cd1, 2803:f800:50::6ca2:c3d1, 2a06:98c1:50::ac40:23d1, 108.162.195.209, 162.159.44.209 and 172.64.35.209.

czechtec.eu - robtex.com

czechtec.eu

eu

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`czechtec.eu`

`eu`