`letswin.cz`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:8b09^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:28d8^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.40.216^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.9^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adrian.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a39^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c039^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adrian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2039^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adrian.ns.cloudflare.com`
		A	108.162.192.57^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
		A	172.64.32.57^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
		A	173.245.58.57^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
NS	`kolton.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c19^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kolton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c319^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kolton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2319^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kolton.ns.cloudflare.com`
		A	108.162.195.25^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kolton.ns.cloudflare.com`
		A	162.159.44.25^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kolton.ns.cloudflare.com`
		A	172.64.35.25^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kolton.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.40.216, 172.67.139.9
		IPv6 hints	2606:4700:3031::ac43:8b09, 2606:4700:3035::6815:28d8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com
SOA	`adrian.ns.cloudflare.com`dns@cloudflare.com serial=2406188187

`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=1782650836

Same first word

letswin.co.uk

letswin.biz

letswin.fun

letswin.eu

letswin.net

letswin.xyz

letswin.gop

letswin.cz

letswin.com

letswin.nl

letswin.cn

letswin.club

letswin.org

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westlin.info

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silentw.com

ltinews.net

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winstel.co.za

winstel.info

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wilnest.nl

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westlin.net

DNS History

16 records (6 active, 10 former)

●NSadrian.ns.cloudflare.com2026-06-13 → 2026-06-28 · 3 obs

○ 2020-02-15 12:24:50
● 2026-06-13 06:39:26
● 2026-06-28 13:56:16

●NSkolton.ns.cloudflare.com2026-06-13 → 2026-06-28 · 3 obs

○ 2020-02-15 12:24:50
● 2026-06-13 06:39:26
● 2026-06-28 13:56:16

○NSns.banan.cz2015-08-08 → 2020-02-15 · 4 obs

● 2015-08-08 20:52:22
● 2020-02-15 12:24:50
○ 2026-06-13 06:39:26
○ 2026-06-28 13:56:16

○NSns2.banan.cz2015-08-08 → 2020-02-15 · 4 obs

● 2015-08-08 20:52:22
● 2020-02-15 12:24:50
○ 2026-06-13 06:39:26
○ 2026-06-28 13:56:16

○NSns3.banan.it2015-08-08 → 2015-11-28 · 4 obs

● 2015-08-08 20:52:22
● 2015-11-28 23:38:22
○ 2016-02-29 06:53:38
○ 2026-06-28 13:56:16

○NSns3.e-baan.net2016-02-29 → 2020-02-15 · 5 obs

○ 2015-11-28 23:38:22
● 2016-02-29 06:53:38
● 2020-02-15 12:24:50
○ 2026-06-13 06:39:26
○ 2026-06-28 13:56:16

○MXbackup.p.banan.cz2015-08-08 → 2020-02-15 · 4 obs

● 2015-08-08 20:52:22
● 2020-02-15 12:24:50
○ 2026-06-13 06:39:26
○ 2026-06-28 13:56:16

○MXp.banan.cz2015-08-08 → 2020-02-15 · 4 obs

● 2015-08-08 20:52:22
● 2020-02-15 12:24:50
○ 2026-06-13 06:39:26
○ 2026-06-28 13:56:16

●A104.21.40.2162026-06-13 → 2026-06-28 · 5 obs

○ 2020-02-15 12:24:50
● 2026-06-13 06:39:26
● 2026-06-14 10:12:12
○ 2026-06-23 05:26:06
● 2026-06-28 13:56:16

●A172.67.139.92026-06-13 → 2026-06-28 · 5 obs

○ 2020-02-15 12:24:50
● 2026-06-13 06:39:26
● 2026-06-14 10:12:12
○ 2026-06-23 05:26:06
● 2026-06-28 13:56:16

○A2606:4700:3030::ac43:8b092026-06-13 → 2026-06-14 · 5 obs

○ 2020-02-15 12:24:50
● 2026-06-13 06:39:26
● 2026-06-14 10:12:12
○ 2026-06-23 05:26:06
○ 2026-06-28 13:56:16

●A2606:4700:3031::ac43:8b092026-06-28 → 2026-06-28 · 2 obs

○ 2026-06-23 05:26:06
● 2026-06-28 13:56:16

●A2606:4700:3035::6815:28d82026-06-28 → 2026-06-28 · 2 obs

○ 2026-06-23 05:26:06
● 2026-06-28 13:56:16

○A2606:4700:3037::6815:28d82026-06-13 → 2026-06-14 · 5 obs

○ 2020-02-15 12:24:50
● 2026-06-13 06:39:26
● 2026-06-14 10:12:12
○ 2026-06-23 05:26:06
○ 2026-06-28 13:56:16

○A2a01:430:1a::2412015-08-08 → 2020-02-15 · 4 obs

● 2015-08-08 20:52:22
● 2020-02-15 12:24:50
○ 2026-06-13 06:39:26
○ 2026-06-28 13:56:16

○A77.93.211.2412015-08-08 → 2020-02-15 · 4 obs

● 2015-08-08 20:52:22
● 2020-02-15 12:24:50
○ 2026-06-13 06:39:26
○ 2026-06-28 13:56:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz	-
letswin.cz	adrian.ns.cloudflare.com, kolton.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.25

NS records: adrian.ns.cloudflare.com, kolton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for letswin.cz (unsigned zone)

⏱️ Timing

Total: 419ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.139.9, 104.21.40.216`
AAAA	2	`2606:4700:3035::6815:28d8, 2606:4700:3031::ac43:8b09`
NS	2	`adrian.ns.cloudflare.com, kolton.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adrian.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

letswin.cz has four IP addresses: 104.21.40.216, 172.67.139.9, 2606:4700:3031::ac43:8b09 and 2606:4700:3035::6815:28d8.

Two other host names, along with unidef.com.tr, r34comics.com and domaine-mailly.eu, also share IP numbers with letswin.cz.

Name Servers

Two name servers handle the delegation for letswin.cz: adrian.ns.cloudflare.com and kolton.ns.cloudflare.com.

letswin.cz shares its NS records with other domains, for example kanys6.com, kanys3.com, gcamstore.com and two others.

letswin.cz shares at least some of its name servers with other domains, including d6c112.com, dance-hula.com, trinavi.com and two others.

These name servers are frequently paired with the name servers tim.ns.cloudflare.com and peyton.ns.cloudflare.com.

DNS names with 6 IP addresses:

adrian.ns.cloudflare.com resolves to 108.162.192.57, 172.64.32.57 and 173.245.58.57 among others, with 3 other IP addresses in total.

kolton.ns.cloudflare.com resolves to 108.162.195.25, 162.159.44.25 and 172.64.35.25 among others, with 3 other IP addresses in total.

letswin.cz - robtex.com

letswin.cz

cz

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`letswin.cz`

`cz`