knowgo.io - robtex.com
knowgo.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:46d3🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3030::ac43:8b9b🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.70.211Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.139.155🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | sloan.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2634🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sloan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c234🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sloan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2234🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sloan.ns.cloudflare.com | ||||||
| A | 108.162.194.52🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sloan.ns.cloudflare.com | ||||||
| A | 162.159.38.52Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sloan.ns.cloudflare.com | ||||||
| A | 172.64.34.52🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sloan.ns.cloudflare.com | ||||||
| NS | trey.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bf2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | trey.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1f2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | trey.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21f2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | trey.ns.cloudflare.com | ||||||
| A | 108.162.193.242🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | trey.ns.cloudflare.com | ||||||
| A | 172.64.33.242🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | trey.ns.cloudflare.com | ||||||
| A | 173.245.59.242🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | trey.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.70.211, 172.67.139.155 | ||||||
| IPv6 hints | 2606:4700:3030::6815:46d3, 2606:4700:3030::ac43:8b9b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=216, name=cloudflare-ech.com | ||||||
| SOA | sloan.ns.cloudflare.comdns@cloudflare.com serial=2406619526 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1785114032 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSsloan.ns.cloudflare.com2026-06-10 → 2026-07-27 · 2 obs
● 2026-07-27 01:11:28
●NStrey.ns.cloudflare.com2026-06-10 → 2026-07-27 · 2 obs
● 2026-07-27 01:11:28
●A104.21.70.2112026-06-10 → 2026-07-27 · 2 obs
● 2026-07-27 01:11:28
●A172.67.139.1552026-06-10 → 2026-07-27 · 2 obs
● 2026-07-27 01:11:28
●A2606:4700:3030::6815:46d32026-07-27 → 2026-07-27 · 2 obs
● 2026-07-27 01:11:28
●A2606:4700:3030::ac43:8b9b2026-07-27 → 2026-07-27 · 2 obs
● 2026-07-27 01:11:28
○A2606:4700:3031::6815:46d32026-06-10 → 2026-06-10 · 2 obs
○ 2026-07-27 01:11:28
○A2606:4700:3036::ac43:8b9b2026-06-10 → 2026-06-10 · 2 obs
○ 2026-07-27 01:11:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a2.nic.io, c0.nic.io, a0.nic.io, b0.nic.io | - |
| knowgo.io | sloan.ns.cloudflare.com, trey.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.242
NS records: sloan.ns.cloudflare.com, trey.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowgo.io (unsigned zone)
⏱️ Timing
Total: 294ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.139.155, 104.21.70.211 |
| AAAA | 2 | 2606:4700:3030::6815:46d3, 2606:4700:3030::ac43:8b9b |
| NS | 2 | sloan.ns.cloudflare.com, trey.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | sloan.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
knowgo.io resolves to four IP addresses: 104.21.70.211, 172.67.139.155, 2606:4700:3030::6815:46d3 and 2606:4700:3030::ac43:8b9b.
hello88ke.com, mbpexpert.com, cocovn.net plus two other host names have IP numbers in common with knowgo.io.
Name Servers
knowgo.io is delegated to two name servers: sloan.ns.cloudflare.com and trey.ns.cloudflare.com.
The name server configuration of knowgo.io is shared with other domains, for instance llwin.center, xx88.space, 2game.nl and two others.
knowgo.io partially shares its NS delegation with several other domains, including aviatorcrashgames.com, bendigiorgio.com, superga.cl and two others.
These name servers often co-occur with the name servers cris.ns.cloudflare.com.
Hosts with 6 IP addresses each:
sloan.ns.cloudflare.com resolves to 108.162.194.52, 162.159.38.52, 172.64.34.52 and 3 other IP addresses.
trey.ns.cloudflare.com resolves to 108.162.193.242, 172.64.33.242, 173.245.59.242 and 3 other IP addresses.