dkuc.cn - robtex.com

dkuc.cn

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:b55e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:3bac🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.59.172Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.94🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgraham.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bab🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
A2803:f800:50::6ca2:c1ab🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgraham.ns.cloudflare.com
A2a06:98c1:50::ac40:21ab🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgraham.ns.cloudflare.com
A108.162.193.171🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
A172.64.33.171🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
A173.245.59.171🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
NSnina.ns.cloudflare.com
A2606:4700:50::adf5:3a88🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
A2803:f800:50::6ca2:c088🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnina.ns.cloudflare.com
A2a06:98c1:50::ac40:2088🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnina.ns.cloudflare.com
A108.162.192.136🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
A172.64.32.136🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
A173.245.58.136🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.59.172, 172.67.181.94
IPv62606:4700:3030::ac43:b55e, 2606:4700:3033::6815:3bac
SOAgraham.ns.cloudflare.comdns@cloudflare.com serial=2399593050

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034606898

Same first word

dkuc.cn

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DNS History

12 records (6 active, 6 former)

201820192020202120222023202420252026NSgraham.ns.cloudflare.comnina.ns.cloudflare.comdns10.hichina.comdns27.hichina.comdns28.hichina.comdns9.hichina.comA104.21.59.172172.67.181.942606:4700:3030::ac43:b55e2606:4700:3033::6815:3bac47.89.58.3247.91.170.222
○NSdns10.hichina.com2017-02-10 → 2017-02-10 · 3 obs
● 2017-02-10 13:55:18
○ 2020-01-11 17:14:44
○ 2026-03-29 15:52:26
○NSdns27.hichina.com2020-01-11 → 2020-01-11 · 4 obs
○ 2017-02-10 13:55:18
● 2020-01-11 17:14:44
○ 2026-03-27 23:40:48
○ 2026-03-29 15:52:26
○NSdns28.hichina.com2020-01-11 → 2020-01-11 · 4 obs
○ 2017-02-10 13:55:18
● 2020-01-11 17:14:44
○ 2026-03-27 23:40:48
○ 2026-03-29 15:52:26
○NSdns9.hichina.com2017-02-10 → 2017-02-10 · 3 obs
● 2017-02-10 13:55:18
○ 2020-01-11 17:14:44
○ 2026-03-29 15:52:26
●NSgraham.ns.cloudflare.com2026-03-27 → 2026-03-29 · 3 obs
○ 2020-01-11 17:14:44
● 2026-03-27 23:40:48
● 2026-03-29 15:52:26
●NSnina.ns.cloudflare.com2026-03-27 → 2026-03-29 · 3 obs
○ 2020-01-11 17:14:44
● 2026-03-27 23:40:48
● 2026-03-29 15:52:26
●A104.21.59.1722026-03-27 → 2026-03-29 · 3 obs
○ 2020-01-11 17:14:44
● 2026-03-27 23:40:48
● 2026-03-29 15:52:26
●A172.67.181.942026-03-27 → 2026-03-29 · 3 obs
○ 2020-01-11 17:14:44
● 2026-03-27 23:40:48
● 2026-03-29 15:52:26
●A2606:4700:3030::ac43:b55e2026-03-27 → 2026-03-29 · 3 obs
○ 2020-01-11 17:14:44
● 2026-03-27 23:40:48
● 2026-03-29 15:52:26
●A2606:4700:3033::6815:3bac2026-03-27 → 2026-03-29 · 3 obs
○ 2020-01-11 17:14:44
● 2026-03-27 23:40:48
● 2026-03-29 15:52:26
○A47.89.58.322017-02-10 → 2017-02-10 · 3 obs
● 2017-02-10 13:55:18
○ 2020-01-11 17:14:44
○ 2026-03-29 15:52:26
○A47.91.170.2222020-01-11 → 2020-01-11 · 4 obs
○ 2017-02-10 13:55:18
● 2020-01-11 17:14:44
○ 2026-03-27 23:40:48
○ 2026-03-29 15:52:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
dkuc.cnnina.ns.cloudflare.com, graham.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.171

NS records: nina.ns.cloudflare.com, graham.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dkuc.cn (unsigned zone)

⏱️ Timing

Total: 945ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.181.94, 104.21.59.172
AAAA22606:4700:3033::6815:3bac, 2606:4700:3030::ac43:b55e
NS2graham.ns.cloudflare.com, nina.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1graham.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

dkuc.cn points to four IP numbers: 2606:4700:3030::ac43:b55e, 2606:4700:3033::6815:3bac, 104.21.59.172 and 172.67.181.94.

Other host names, for instance lakeandriverrestoration.com, clarionthexa.com, wyxwcqfgzitjj.website, 7v46cd.mom and akvaryum.market share IP numbers with dkuc.cn.

Name Servers

dkuc.cn is delegated to two name servers: graham.ns.cloudflare.com and nina.ns.cloudflare.com.

dkuc.cn uses the same name server setup as other domains, for instance jsnjcy.cn, 11k71x.cn, 7czm.cn, 41jpfw9a.cn and wc2o.cn.

dkuc.cn shares name servers with other domains at least partially, for instance orapronobis.net, washingtontrustbank.com, megaecommerce.com, gm.me.uk and dieselforum.org.

these name servers are commonly used together with june.ns.cloudflare.com and chad.ns.cloudflare.com.

Host names with six IP numbers: graham.ns.cloudflare.com points to 2606:4700:58::adf5:3bab, 2803:f800:50::6ca2:c1ab, 2a06:98c1:50::ac40:21ab, 108.162.193.171, 172.64.33.171 and 173.245.59.171; nina.ns.cloudflare.com points to 2606:4700:50::adf5:3a88, 2803:f800:50::6ca2:c088, 2a06:98c1:50::ac40:2088, 108.162.192.136, 172.64.32.136 and 173.245.58.136.