sudoku-guide.com - robtex.com
sudoku-guide.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3036::6815:3e59🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:de27🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.62.89Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.222.39🇺🇸 Cloudflare172.67.208.0/20 , 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 | 162.159.38.139Cloudflare162.159.32.0/20 , 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 | 104.21.62.89, 172.67.222.39 | ||||||
| IPv6 | 2606:4700:3036::6815:3e59, 2606:4700:3036::ac43:de27 | ||||||
| SOA | dave.ns.cloudflare.comdns@cloudflare.com serial=2399188302 | ||||||
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.netnstld@verisign-grs.com serial=1774611507 | ||||||
Same first word
sudoku-guide.com |
DNS History
6 records (6 active, 0 former)
●NSdave.ns.cloudflare.com2026-02-22 → 2026-03-27 · 2 obs
● 2026-03-27 12:00:58
●NSkhloe.ns.cloudflare.com2026-02-22 → 2026-03-27 · 2 obs
● 2026-03-27 12:00:58
●A104.21.62.892026-02-22 → 2026-03-27 · 2 obs
● 2026-03-27 12:00:58
●A172.67.222.392026-02-22 → 2026-03-27 · 2 obs
● 2026-03-27 12:00:58
●A2606:4700:3036::6815:3e592026-02-22 → 2026-03-27 · 2 obs
● 2026-03-27 12:00:58
●A2606:4700:3036::ac43:de272026-02-22 → 2026-03-27 · 2 obs
● 2026-03-27 12:00:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net... | - |
| sudoku-guide.com | dave.ns.cloudflare.com, khloe.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.109
NS records: dave.ns.cloudflare.com, khloe.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sudoku-guide.com (unsigned zone)
⏱️ Timing
Total: 93ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.222.39, 104.21.62.89 |
| AAAA | 2 | 2606:4700:3036::ac43:de27, 2606:4700:3036::6815:3e59 |
| 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-guide.com refers to four IP numbers: 2606:4700:3036::6815:3e59, 2606:4700:3036::ac43:de27, 104.21.62.89 and 172.67.222.39.
Other host names, for instance pop3.sh-aloka.com, iggles.com, www.sabujapanese.com, gofornepal.com and coaautograph.com share IP numbers with sudoku-guide.com.
Name Servers
sudoku-guide.com's delegation uses two name servers: dave.ns.cloudflare.com and khloe.ns.cloudflare.com.
sudoku-guide.com uses the same name server setup as other domains, such as slon2cc-gate.ru, sudoku-flow.com, bonsaikokedama.com, killer-math.com and sudoku-printouts.com.
sudoku-guide.com at least partially shares name servers with other domains, including payattic.com, belboon.ch, crictest.com, klikbpn.com and timetoshed.com.
These name servers are commonly used together with the name servers mimi.ns.cloudflare.com, kanye.ns.cloudflare.com, gina.ns.cloudflare.com and dana.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.