leoku.dev - dns.ninja

`leoku.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:b225^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:2b6b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.107^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.178.37^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`denver.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cc4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`denver.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`denver.ns.cloudflare.com`
		A	108.162.195.196^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	162.159.44.196^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	172.64.35.196^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
NS	`simone.ns.cloudflare.com`
		A	2606:4700:50::a29f:261a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`simone.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c21a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`simone.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:221a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`simone.ns.cloudflare.com`
		A	108.162.194.26^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`simone.ns.cloudflare.com`
		A	162.159.38.26^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`simone.ns.cloudflare.com`
		A	172.64.34.26^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`simone.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁴¹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁴²⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`google-site-verification=tHkWxo64HfC-NrA8tlujqwtkT5kf2iZe9kO6zFfrX_E`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.107, 172.67.178.37
		IPv6 hints	2606:4700:3034::ac43:b225, 2606:4700:3037::6815:2b6b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com
SOA	`denver.ns.cloudflare.com`dns@cloudflare.com serial=2406780409

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

leoku.cc

leoku.dev

leoku.com

leoku.cn

Similar names

lokue.de

leuko.io

ukleo.org

eokul.org

eokul.ws

kuloe.com

leuok.com

kloue.fr

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oukel.com

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leuko.org

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lekou.ch

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koule.cz

lekou.net

keolu.com

oklue.com

eokul.info

oluke.com

lokue.eu

eukol.ws

lukeo.de

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kelou.com.cn

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kuelo.com

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ekolu.com

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oleku.pl

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kuelo.de

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lokue.com

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oukle.com

eokul.eu

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lueko.de

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uelko.com

leuko.net

kolue.com

okule.com

leuko.com.au

lueko.net

luoke.co

eluko.de

DNS History

12 records (9 active, 3 former)

●NSdenver.ns.cloudflare.com2026-06-27 → 2026-06-27 · 3 obs

○ 2026-02-23 03:03:14
● 2026-06-27 18:17:26
● 2026-06-27 18:17:28

○NSns03.domaincontrol.com2026-02-23 → 2026-02-23 · 3 obs

● 2026-02-23 03:03:14
○ 2026-06-27 18:17:26
○ 2026-06-27 18:17:28

○NSns04.domaincontrol.com2026-02-23 → 2026-02-23 · 3 obs

● 2026-02-23 03:03:14
○ 2026-06-27 18:17:26
○ 2026-06-27 18:17:28

●NSsimone.ns.cloudflare.com2026-06-27 → 2026-06-27 · 3 obs

○ 2026-02-23 03:03:14
● 2026-06-27 18:17:26
● 2026-06-27 18:17:28

●MXroute1.mx.cloudflare.net2026-06-27 → 2026-06-27 · 2 obs

● 2026-06-27 18:17:26
● 2026-06-27 18:17:28

●MXroute2.mx.cloudflare.net2026-06-27 → 2026-06-27 · 2 obs

● 2026-06-27 18:17:26
● 2026-06-27 18:17:28

●MXroute3.mx.cloudflare.net2026-06-27 → 2026-06-27 · 2 obs

● 2026-06-27 18:17:26
● 2026-06-27 18:17:28

●A104.21.43.1072026-06-27 → 2026-06-27 · 3 obs

○ 2026-02-23 03:03:14
● 2026-06-27 18:17:26
● 2026-06-27 18:17:28

●A172.67.178.372026-06-27 → 2026-06-27 · 3 obs

○ 2026-02-23 03:03:14
● 2026-06-27 18:17:26
● 2026-06-27 18:17:28

●A2606:4700:3034::ac43:b2252026-06-27 → 2026-06-27 · 3 obs

○ 2026-02-23 03:03:14
● 2026-06-27 18:17:26
● 2026-06-27 18:17:28

●A2606:4700:3037::6815:2b6b2026-06-27 → 2026-06-27 · 3 obs

○ 2026-02-23 03:03:14
● 2026-06-27 18:17:26
● 2026-06-27 18:17:28

○A75.2.60.52026-02-23 → 2026-02-23 · 3 obs

● 2026-02-23 03:03:14
○ 2026-06-27 18:17:26
○ 2026-06-27 18:17:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
leoku.dev	denver.ns.cloudflare.com, simone.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.196

NS records: denver.ns.cloudflare.com, simone.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leoku.dev (unsigned zone)

⏱️ Timing

Total: 398ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.178.37, 104.21.43.107`
AAAA	2	`2606:4700:3034::ac43:b225, 2606:4700:3037::6815:2b6b`
NS	2	`denver.ns.cloudflare.com, simone.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 41), route1.mx.cloudflare.net (pri: 42)...`
TXT	2	`google-site-verification=tHkWxo64HfC-NrA, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`denver.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

leoku.dev points to the four IP addresses 104.21.43.107, 172.67.178.37, 2606:4700:3034::ac43:b225 and 2606:4700:3037::6815:2b6b.

www.doubletbookstore.com, dewintonvet.com, trfonline.org and two other host names share IP numbers with leoku.dev.

Name Servers

Two name servers handle the delegation for leoku.dev: denver.ns.cloudflare.com and simone.ns.cloudflare.com.

leoku.dev is delegated to the same name servers as bakertillyrussaudit.ru, selisproject.eu, thejessyboutin.com and hessjr.com, for example.

There is at least partial name server overlap between leoku.dev and other domains — sevkigungor.com, spelling.com, ecdji.com and two more among them.

The name servers kinsley.ns.cloudflare.com, susan.ns.cloudflare.com and fred.ns.cloudflare.com are often found in combination with these name servers.

Hostnames that resolve to 6 IP addresses:

denver.ns.cloudflare.com resolves to 108.162.195.196, 162.159.44.196 and 172.64.35.196 among others, with 3 other IP addresses in total.

simone.ns.cloudflare.com resolves to 108.162.194.26, 162.159.38.26 and 172.64.34.26 among others, with 3 other IP addresses in total.

Mail Servers

Incoming mail for leoku.dev is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

leoku.dev has at least partial mail server overlap with other domains such as wcc2008.org, azdiaspora.org, silvermossvale.shop and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.