`yusuke4869.dev`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3034::6815:2bd2^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b984^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.210^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.132^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cass.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c051^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cass.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2051^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cass.ns.cloudflare.com`
		A	108.162.192.81^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	172.64.32.81^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	173.245.58.81^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
NS	`clint.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b5a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clint.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clint.ns.cloudflare.com`
		A	108.162.193.90^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	172.64.33.90^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	173.245.59.90^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		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	`route2.mx.cloudflare.net`⁽⁷³⁾
		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	`route1.mx.cloudflare.net`⁽⁸²⁾
		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=4khdbNHvvHT4DPfayhEuaponoCVOgGlT3v3--Uc4Peg`
TXT	`keybase-site-verification=EuPCjb1HztKFAJKHwN-W7RUPC7RkQfzTwEpG8C1hPLA`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.210, 172.67.185.132
		IPv6 hints	2606:4700:3034::6815:2bd2, 2606:4700:3037::ac43:b984
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOA	`cass.ns.cloudflare.com`dns@cloudflare.com serial=2410078024

`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

yusuke4869.dev

DNS History

11 records (9 active, 2 former)

●NScass.ns.cloudflare.com2026-04-30 → 2026-07-26 · 2 obs

● 2026-04-30 01:47:12
● 2026-07-26 12:55:18

●NSclint.ns.cloudflare.com2026-04-30 → 2026-07-26 · 2 obs

● 2026-04-30 01:47:12
● 2026-07-26 12:55:18

●MXroute1.mx.cloudflare.net2026-04-30 → 2026-07-26 · 2 obs

● 2026-04-30 01:47:12
● 2026-07-26 12:55:18

●MXroute2.mx.cloudflare.net2026-04-30 → 2026-07-26 · 2 obs

● 2026-04-30 01:47:12
● 2026-07-26 12:55:18

●MXroute3.mx.cloudflare.net2026-04-30 → 2026-07-26 · 2 obs

● 2026-04-30 01:47:12
● 2026-07-26 12:55:18

●A104.21.43.2102026-04-30 → 2026-07-26 · 2 obs

● 2026-04-30 01:47:12
● 2026-07-26 12:55:18

●A172.67.185.1322026-04-30 → 2026-07-26 · 2 obs

● 2026-04-30 01:47:12
● 2026-07-26 12:55:18

●A2606:4700:3034::6815:2bd22026-07-03 → 2026-07-26 · 3 obs

○ 2026-06-15 17:53:56
● 2026-07-03 12:29:50
● 2026-07-26 12:55:18

○A2606:4700:3035::ac43:b9842026-04-30 → 2026-06-15 · 4 obs

● 2026-04-30 01:47:12
● 2026-06-15 17:53:56
○ 2026-07-03 12:29:50
○ 2026-07-26 12:55:18

○A2606:4700:3037::6815:2bd22026-04-30 → 2026-06-15 · 4 obs

● 2026-04-30 01:47:12
● 2026-06-15 17:53:56
○ 2026-07-03 12:29:50
○ 2026-07-26 12:55:18

●A2606:4700:3037::ac43:b9842026-07-03 → 2026-07-26 · 3 obs

○ 2026-06-15 17:53:56
● 2026-07-03 12:29:50
● 2026-07-26 12:55:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
yusuke4869.dev	cass.ns.cloudflare.com, clint.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.90

NS records: cass.ns.cloudflare.com, clint.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 669ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.43.210, 172.67.185.132`
AAAA	2	`2606:4700:3037::ac43:b984, 2606:4700:3034::6815:2bd2`
NS	2	`cass.ns.cloudflare.com, clint.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 1), route2.mx.cloudflare.net (pri: 73)...`
TXT	3	`google-site-verification=4khdbNHvvHT4DPf, keybase-site-verification=EuPCjb1HztKFAJ...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cass.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

yusuke4869.dev directs to four IP numbers, which are 104.21.43.210, 172.67.185.132, 2606:4700:3034::6815:2bd2 and 2606:4700:3037::ac43:b984.

Two other host names, along with zenn.com.my, siys.in and bhpw9a3.sa.com, also share IP numbers with yusuke4869.dev.

Name Servers

yusuke4869.dev has two authoritative name servers — cass.ns.cloudflare.com and clint.ns.cloudflare.com.

yusuke4869.dev shares its NS records with other domains, for example gfb12.com, bracesbyyork.com, ebxfyk.bet and two others.

At least some of yusuke4869.dev's name servers are shared with other domains, for example 098899.com, nagd.com, xn--49-jz8iooi6ez2epwelwyca299c.xn--mk1bu44c and two more.

These name servers tend to be deployed in combination with the name servers wally.ns.cloudflare.com and nitin.ns.cloudflare.com.

DNS names with 6 IP addresses:

cass.ns.cloudflare.com points to 108.162.192.81, 172.64.32.81, 173.245.58.81 and 3 other IP addresses.

clint.ns.cloudflare.com points to 108.162.193.90, 172.64.33.90, 173.245.59.90 and 3 other IP addresses.

Mail Servers

The MX records for yusuke4869.dev list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between yusuke4869.dev and other domains, including ardev.tk, beyeu.net, nhannt.net and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.

yusuke4869.dev - robtex.com

yusuke4869.dev

dev

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`yusuke4869.dev`

`dev`