knowhub.io - robtex.com

knowhub.io

DNSSEC⚠️ Not signed
A2606:4700:20::681a:61c🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:71c🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:44a0🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.6.28Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.7.28Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.68.160🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSglen.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3ba9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRglen.ns.cloudflare.com
A2803:f800:50::6ca2:c1a9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRglen.ns.cloudflare.com
A2a06:98c1:50::ac40:21a9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRglen.ns.cloudflare.com
A108.162.193.169🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRglen.ns.cloudflare.com
A172.64.33.169🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRglen.ns.cloudflare.com
A173.245.59.169🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRglen.ns.cloudflare.com
NSryleigh.ns.cloudflare.com
A2606:4700:50::a29f:26c6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryleigh.ns.cloudflare.com
A2803:f800:50::6ca2:c2c6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRryleigh.ns.cloudflare.com
A2a06:98c1:50::ac40:22c6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRryleigh.ns.cloudflare.com
A108.162.194.198🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryleigh.ns.cloudflare.com
A162.159.38.198Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryleigh.ns.cloudflare.com
A172.64.34.198🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryleigh.ns.cloudflare.com
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.26.6.28, 104.26.7.28, 172.67.68.160
IPv6 hints2606:4700:20::681a:61c, 2606:4700:20::681a:71c, 2606:4700:20::ac43:44a0
SOAglen.ns.cloudflare.comdns@cloudflare.com serial=2409188108

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1784104775

Same first word

knowhub.cn
knowhub.com
knowhub.io
knowhub.cl
knowhub.cloud

Similar names

buwonkh.com

DNS History

13 records (8 active, 5 former)

NSglen.ns.cloudflare.comryleigh.ns.cloudflare.comA104.26.6.28104.26.7.28172.67.68.1602606:4700:20::681a:61c2606:4700:20::681a:71c2606:4700:20::ac43:44a0104.21.75.196172.67.180.2302606:4700:130:436c:6f75:6466:6c61:72652606:4700:3035::6815:4bc42606:4700:3036::ac43:b4e6
●NSglen.ns.cloudflare.com2026-03-19 → 2026-07-15 · 2 obs
● 2026-03-19 03:16:16
● 2026-07-15 08:58:30
●NSryleigh.ns.cloudflare.com2026-03-19 → 2026-07-15 · 2 obs
● 2026-03-19 03:16:16
● 2026-07-15 08:58:30
○A104.21.75.1962026-03-19 → 2026-04-01 · 4 obs
● 2026-03-19 03:16:16
● 2026-04-01 00:55:52
○ 2026-05-12 12:59:00
○ 2026-07-15 08:58:30
●A104.26.6.282026-05-12 → 2026-07-15 · 3 obs
○ 2026-04-01 00:55:52
● 2026-05-12 12:59:00
● 2026-07-15 08:58:30
●A104.26.7.282026-05-12 → 2026-07-15 · 3 obs
○ 2026-04-01 00:55:52
● 2026-05-12 12:59:00
● 2026-07-15 08:58:30
○A172.67.180.2302026-03-19 → 2026-04-01 · 4 obs
● 2026-03-19 03:16:16
● 2026-04-01 00:55:52
○ 2026-05-12 12:59:00
○ 2026-07-15 08:58:30
●A172.67.68.1602026-05-12 → 2026-07-15 · 3 obs
○ 2026-04-01 00:55:52
● 2026-05-12 12:59:00
● 2026-07-15 08:58:30
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-23 → 2026-03-23 · 4 obs
○ 2026-03-20 10:15:16
● 2026-03-23 02:06:28
○ 2026-04-01 00:55:52
○ 2026-07-15 08:58:30
●A2606:4700:20::681a:61c2026-05-12 → 2026-07-15 · 3 obs
○ 2026-04-01 00:55:52
● 2026-05-12 12:59:00
● 2026-07-15 08:58:30
●A2606:4700:20::681a:71c2026-05-12 → 2026-07-15 · 3 obs
○ 2026-04-01 00:55:52
● 2026-05-12 12:59:00
● 2026-07-15 08:58:30
●A2606:4700:20::ac43:44a02026-05-12 → 2026-07-15 · 3 obs
○ 2026-04-01 00:55:52
● 2026-05-12 12:59:00
● 2026-07-15 08:58:30
○A2606:4700:3035::6815:4bc42026-03-19 → 2026-04-01 · 6 obs
● 2026-03-19 03:16:16
● 2026-03-20 10:15:16
○ 2026-03-23 02:06:28
● 2026-04-01 00:55:52
○ 2026-05-12 12:59:00
○ 2026-07-15 08:58:30
○A2606:4700:3036::ac43:b4e62026-03-19 → 2026-04-01 · 6 obs
● 2026-03-19 03:16:16
● 2026-03-20 10:15:16
○ 2026-03-23 02:06:28
● 2026-04-01 00:55:52
○ 2026-05-12 12:59:00
○ 2026-07-15 08:58:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioc0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io-
knowhub.ioglen.ns.cloudflare.com, ryleigh.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.198

NS records: glen.ns.cloudflare.com, ryleigh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowhub.io (unsigned zone)

⏱️ Timing

Total: 547ms | Queries: -

📄 Records

TypeCountSample Data
A3104.26.6.28, 172.67.68.160...
AAAA32606:4700:20::ac43:44a0, 2606:4700:20::681a:71c...
NS2glen.ns.cloudflare.com, ryleigh.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1glen.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

knowhub.io resolves to 6 IP numbers: 104.26.6.28, 104.26.7.28, 172.67.68.160 and 3 other.

Additional host names — mail.bratperversions.com, auth.intra.gjallarhornsec.com, pretendo.network and two others — share IP numbers with knowhub.io.

Name Servers

knowhub.io has two authoritative name servers — glen.ns.cloudflare.com and ryleigh.ns.cloudflare.com.

knowhub.io shares its name server setup with other domains, including loginn-trezorrr.pages.dev, quickcarbon.com, kommuna.org and two others.

knowhub.io partially shares its NS delegation with several other domains, including shvey-profit.ru, maiyon.com, malallai.fr and two others.

These name servers are regularly seen alongside kip.ns.cloudflare.com and walk.ns.cloudflare.com as name servers.

Host names with 6 IP numbers:

glen.ns.cloudflare.com points to 108.162.193.169, 172.64.33.169, 173.245.59.169 and 3 other IP addresses.

ryleigh.ns.cloudflare.com points to 108.162.194.198, 162.159.38.198, 172.64.34.198 and 3 other IP addresses.