bigknow.cc - robtex.com
bigknow.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:d5dd🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:2af6🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.42.246Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.213.221🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ariadne.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26e1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ariadne.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2e1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ariadne.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22e1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ariadne.ns.cloudflare.com | ||||||
| A | 108.162.194.225🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ariadne.ns.cloudflare.com | ||||||
| A | 162.159.38.225Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ariadne.ns.cloudflare.com | ||||||
| A | 172.64.34.225🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ariadne.ns.cloudflare.com | ||||||
| NS | margo.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c90🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | margo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c390🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | margo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2390🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | margo.ns.cloudflare.com | ||||||
| A | 108.162.195.144🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | margo.ns.cloudflare.com | ||||||
| A | 162.159.44.144Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | margo.ns.cloudflare.com | ||||||
| A | 172.64.35.144🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | margo.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.42.246, 172.67.213.221 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:d5dd, 2606:4700:3036::6815:2af6 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=58, name=cloudflare-ech.com | ||||||
| SOA | ariadne.ns.cloudflare.comdns@cloudflare.com serial=2403965407 | ||||||
cc
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1778935980 | ||||||
Same first word
bigknow.cc |
Similar names
DNS History
6 records (6 active, 0 former)
●NSariadne.ns.cloudflare.com2026-04-14 → 2026-05-16 · 2 obs
● 2026-05-16 12:57:50
●NSmargo.ns.cloudflare.com2026-04-14 → 2026-05-16 · 2 obs
● 2026-05-16 12:57:50
●A104.21.42.2462026-04-14 → 2026-05-16 · 2 obs
● 2026-05-16 12:57:50
●A172.67.213.2212026-04-14 → 2026-05-16 · 2 obs
● 2026-05-16 12:57:50
●A2606:4700:3033::ac43:d5dd2026-04-14 → 2026-05-16 · 2 obs
● 2026-05-16 12:57:50
●A2606:4700:3036::6815:2af62026-04-14 → 2026-05-16 · 2 obs
● 2026-05-16 12:57:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com | 8 records |
| bigknow.cc | ariadne.ns.cloudflare.com, margo.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.225
NS records: ariadne.ns.cloudflare.com, margo.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bigknow.cc (unsigned zone)
⏱️ Timing
Total: 492ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.42.246, 172.67.213.221 |
| AAAA | 2 | 2606:4700:3036::6815:2af6, 2606:4700:3033::ac43:d5dd |
| NS | 2 | ariadne.ns.cloudflare.com, margo.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ariadne.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ac1.nstld.com, ac2.nstld.com, ac3.nstld.com...)
Analysis
IP Addresses
bigknow.cc resolves to four IP numbers: 2606:4700:3033::ac43:d5dd, 2606:4700:3036::6815:2af6, 104.21.42.246 and 172.67.213.221.
other host names for instance erealtyhub.com, irsam.dk, myattplans.com, pmhl.ca and kapcsolat.online share IP numbers with bigknow.cc.
Name Servers
bigknow.cc is delegated to two name servers: ariadne.ns.cloudflare.com and margo.ns.cloudflare.com.
bigknow.cc shares the same name server setup as other domains, for example doyouknow.wiki, locks.wiki, tuvivn.net, bees.pub and ihope.vn.
bigknow.cc at least partially shares name servers with other domains, for instance xombie.net, retakecs.com, lueufzl.today, direct(0x736578).be and gproductionhousehk.com.
These name servers are commonly used with yadiel.ns.cloudflare.com, sneh.ns.cloudflare.com and anderson.ns.cloudflare.com.
Host names with six IP numbers:
ariadne.ns.cloudflare.com points to: 2606:4700:50::a29f:26e1, 2803:f800:50::6ca2:c2e1, 2a06:98c1:50::ac40:22e1, 108.162.194.225, 162.159.38.225 and 172.64.34.225; margo.ns.cloudflare.com points to: 2606:4700:58::a29f:2c90, 2803:f800:50::6ca2:c390, 2a06:98c1:50::ac40:2390, 108.162.195.144, 162.159.44.144 and 172.64.35.144.