knvb.com.cn - robtex.com

knvb.com.cn

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3134🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:8d8d🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.49.52Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.141.141🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgeorgia.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2630🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgeorgia.ns.cloudflare.com
A2803:f800:50::6ca2:c230🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgeorgia.ns.cloudflare.com
A2a06:98c1:50::ac40:2230🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgeorgia.ns.cloudflare.com
A108.162.194.48🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgeorgia.ns.cloudflare.com
A162.159.38.48Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgeorgia.ns.cloudflare.com
A172.64.34.48🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgeorgia.ns.cloudflare.com
NSyoxall.ns.cloudflare.com
A2606:4700:58::a29f:2c2f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyoxall.ns.cloudflare.com
A2803:f800:50::6ca2:c32f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRyoxall.ns.cloudflare.com
A2a06:98c1:50::ac40:232f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRyoxall.ns.cloudflare.com
A108.162.195.47🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyoxall.ns.cloudflare.com
A162.159.44.47Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyoxall.ns.cloudflare.com
A172.64.35.47🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyoxall.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.49.52, 172.67.141.141
IPv62606:4700:3030::6815:3134, 2606:4700:3032::ac43:8d8d
SOAgeorgia.ns.cloudflare.comdns@cloudflare.com serial=2396650407

com.cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐ ⚠️ Not in parent delegation
NSb.dns.cn ⚠️ Not in parent delegation
NSc.dns.cn ⚠️ Not in parent delegation
NScns.cernet.net ⚠️ Not in parent delegation
NSd.dns.cn ⚠️ Not in parent delegation
NSe.dns.cn ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2030477965
WOT: NOT_SAFE (20/100)

Same first word

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DNS History

10 records (6 active, 4 former)

2017201820192020202120222023202420252026NSgeorgia.ns.cloudflare.comyoxall.ns.cloudflare.comns1.22.cnns4.dnsdun.netns5.dnsdun.comA104.21.49.52172.67.141.1412606:4700:3030::6815:31342606:4700:3032::ac43:8d8d192.161.88.78
●NSgeorgia.ns.cloudflare.com2026-02-16 → 2026-03-26 · 3 obs
○ 2017-05-13 09:14:44
● 2026-02-16 04:20:16
● 2026-03-26 04:51:32
○NSns1.22.cn2016-11-20 → 2016-11-20 · 3 obs
● 2016-11-20 02:40:38
○ 2017-05-13 09:14:44
○ 2026-03-26 04:51:32
○NSns4.dnsdun.net2017-05-13 → 2017-05-13 · 4 obs
○ 2016-11-20 02:40:38
● 2017-05-13 09:14:44
○ 2026-02-16 04:20:16
○ 2026-03-26 04:51:32
○NSns5.dnsdun.com2017-05-13 → 2017-05-13 · 4 obs
○ 2016-11-20 02:40:38
● 2017-05-13 09:14:44
○ 2026-02-16 04:20:16
○ 2026-03-26 04:51:32
●NSyoxall.ns.cloudflare.com2026-02-16 → 2026-03-26 · 3 obs
○ 2017-05-13 09:14:44
● 2026-02-16 04:20:16
● 2026-03-26 04:51:32
●A104.21.49.522026-02-16 → 2026-03-26 · 3 obs
○ 2017-05-13 09:14:44
● 2026-02-16 04:20:16
● 2026-03-26 04:51:32
●A172.67.141.1412026-02-16 → 2026-03-26 · 3 obs
○ 2017-05-13 09:14:44
● 2026-02-16 04:20:16
● 2026-03-26 04:51:32
○A192.161.88.782017-05-13 → 2017-05-13 · 3 obs
● 2017-05-13 09:14:44
○ 2026-02-16 04:20:16
○ 2026-03-26 04:51:32
●A2606:4700:3030::6815:31342026-02-16 → 2026-03-26 · 3 obs
○ 2017-05-13 09:14:44
● 2026-02-16 04:20:16
● 2026-03-26 04:51:32
●A2606:4700:3032::ac43:8d8d2026-02-16 → 2026-03-26 · 3 obs
○ 2017-05-13 09:14:44
● 2026-02-16 04:20:16
● 2026-03-26 04:51:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
knvb.com.cnyoxall.ns.cloudflare.com, georgia.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.47

NS records: yoxall.ns.cloudflare.com, georgia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knvb.com.cn (unsigned zone)

⏱️ Timing

Total: 948ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.49.52, 172.67.141.141
AAAA22606:4700:3030::6815:3134, 2606:4700:3032::ac43:8d8d
NS2georgia.ns.cloudflare.com, yoxall.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1georgia.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

knvb.com.cn resolves to four IP numbers: 2606:4700:3030::6815:3134, 2606:4700:3032::ac43:8d8d, 104.21.49.52 and 172.67.141.141.

other host names for instance 73f12ff97652.harrisonline.com, tygodnik.pl, hs-arms.de, yomorganik.com.tr and chqii66101.com share IP numbers with knvb.com.cn.

Name Servers

knvb.com.cn is delegated to two name servers: georgia.ns.cloudflare.com and yoxall.ns.cloudflare.com.

knvb.com.cn shares the same name server setup as other domains, for example agrg.com.cn, fuqiju.com.cn, zjwh2008.com.cn, xmwargame.com.cn and giantleap.com.cn.

knvb.com.cn at least partially shares name servers with other domains, for instance 0hc.cn, 245.70.185.in-addr.arpa, smykker.dk, glgt.net and 7920109.ru.

these name servers are commonly used with nelci.ns.cloudflare.com, tony.ns.cloudflare.com, marge.ns.cloudflare.com, glen.ns.cloudflare.com, miguel.ns.cloudflare.com and ada.ns.cloudflare.com.

Host names with six IP numbers:

georgia.ns.cloudflare.com points to: 2606:4700:50::a29f:2630, 2803:f800:50::6ca2:c230, 2a06:98c1:50::ac40:2230, 108.162.194.48, 162.159.38.48 and 172.64.34.48; yoxall.ns.cloudflare.com points to: 2606:4700:58::a29f:2c2f, 2803:f800:50::6ca2:c32f, 2a06:98c1:50::ac40:232f, 108.162.195.47, 162.159.44.47 and 172.64.35.47.