`sudoku-methods.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:99be^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3e4^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.228^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.190^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dave.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dave.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dave.ns.cloudflare.com`
		A	108.162.193.109^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	172.64.33.109^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	173.245.59.109^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
NS	`khloe.ns.cloudflare.com`
		A	2606:4700:50::a29f:268b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khloe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`khloe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`khloe.ns.cloudflare.com`
		A	108.162.194.139^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khloe.ns.cloudflare.com`
		A	162.159.38.139^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khloe.ns.cloudflare.com`
		A	172.64.34.139^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khloe.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.3.228, 172.67.153.190
		IPv6	2606:4700:3032::ac43:99be, 2606:4700:3035::6815:3e4
SOA	`dave.ns.cloudflare.com`dns@cloudflare.com serial=2396089669

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774596977

📈 Tranco rank: #611,591

Same first word

sudoku-methods.com

DNS History

6 records (6 active, 0 former)

●NSdave.ns.cloudflare.com2026-03-06 → 2026-03-27 · 2 obs

● 2026-03-06 10:44:26
● 2026-03-27 07:43:42

●NSkhloe.ns.cloudflare.com2026-03-06 → 2026-03-27 · 2 obs

● 2026-03-06 10:44:26
● 2026-03-27 07:43:42

●A104.21.3.2282026-03-06 → 2026-03-27 · 2 obs

● 2026-03-06 10:44:26
● 2026-03-27 07:43:42

●A172.67.153.1902026-03-06 → 2026-03-27 · 2 obs

● 2026-03-06 10:44:26
● 2026-03-27 07:43:42

●A2606:4700:3032::ac43:99be2026-03-06 → 2026-03-27 · 2 obs

● 2026-03-06 10:44:26
● 2026-03-27 07:43:42

●A2606:4700:3035::6815:3e42026-03-06 → 2026-03-27 · 2 obs

● 2026-03-06 10:44:26
● 2026-03-27 07:43:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sudoku-methods.com	dave.ns.cloudflare.com, khloe.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.139

NS records: dave.ns.cloudflare.com, khloe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sudoku-methods.com (unsigned zone)

⏱️ Timing

Total: 120ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.3.228, 172.67.153.190`
AAAA	2	`2606:4700:3032::ac43:99be, 2606:4700:3035::6815:3e4`
NS	2	`dave.ns.cloudflare.com, khloe.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dave.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dave.ns.cloudflare.com, dave.ns.cloudflare.com, dave.ns.cloudflare.com...)

Analysis

IP Addresses

sudoku-methods.com points to four IP numbers: 2606:4700:3032::ac43:99be, 2606:4700:3035::6815:3e4, 104.21.3.228 and 172.67.153.190.

Other host names including qihuanghantang.com.cn, 58win.net, traxonesbc.gr, revisores.eu and su168.top share IP numbers with sudoku-methods.com.

Name Servers

sudoku-methods.com's delegation uses two name servers, dave.ns.cloudflare.com and khloe.ns.cloudflare.com.

sudoku-methods.com shares the same name server setup as other domains, for example sudoku-guide.com, sudoku-arena.com, farmaciasbelen.com.ar, ayvazteknik.com and sudoku-theory.com.

sudoku-methods.com at least partially shares name servers with other domains, including superme.tools, 63vv.net, 666mum.com, 773qqq.net and bringmail.org.

these name servers are commonly used with mimi.ns.cloudflare.com, kanye.ns.cloudflare.com, dana.ns.cloudflare.com and gina.ns.cloudflare.com.

Host names with six IP numbers:

dave.ns.cloudflare.com points to: 2606:4700:58::adf5:3b6d, 2803:f800:50::6ca2:c16d, 2a06:98c1:50::ac40:216d, 108.162.193.109, 172.64.33.109 and 173.245.59.109.

khloe.ns.cloudflare.com points to: 2606:4700:50::a29f:268b, 2803:f800:50::6ca2:c28b, 2a06:98c1:50::ac40:228b, 108.162.194.139, 162.159.38.139 and 172.64.34.139.

sudoku-methods.com - robtex.com