bucdn.com - dns.ninja

bucdn.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:57bd🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:919e🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.87.189Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.145.158🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSduke.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b6e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
A2803:f800:50::6ca2:c16e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRduke.ns.cloudflare.com
A2a06:98c1:50::ac40:216e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRduke.ns.cloudflare.com
A108.162.193.110🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
A172.64.33.110🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
A173.245.59.110🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
NSmartha.ns.cloudflare.com
A2606:4700:50::a29f:268e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmartha.ns.cloudflare.com
A2803:f800:50::6ca2:c28e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmartha.ns.cloudflare.com
A2a06:98c1:50::ac40:228e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmartha.ns.cloudflare.com
A108.162.194.142🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmartha.ns.cloudflare.com
A162.159.38.142Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmartha.ns.cloudflare.com
A172.64.34.142🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmartha.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.87.189, 172.67.145.158
IPv6 hints2606:4700:3034::6815:57bd, 2606:4700:3034::ac43:919e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=105, name=cloudflare-ech.com
SOAduke.ns.cloudflare.comdns@cloudflare.com serial=2406499807

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1782059340

Same first word

bucdn.space
bucdn.com

Similar names

ucbnd.com
ubcdn.co
ucdnb.com
bnucd.com
bundc.at
cnbdu.com
ubdcn.com
budnc.com
ncbud.com
nbudc.com
duncb.co.uk

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSduke.ns.cloudflare.commartha.ns.cloudflare.comdns7.hichina.comdns8.hichina.comns1.namebrightdns.comns2.namebrightdns.comA104.21.87.189172.67.145.1582606:4700:3034::6815:57bd2606:4700:3034::ac43:919eCNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com
○NSdns7.hichina.com2015-06-16 → 2016-12-31 · 4 obs
● 2015-06-16 04:11:46
● 2016-12-31 08:55:24
○ 2018-01-26 17:07:12
○ 2026-06-21 16:42:54
○NSdns8.hichina.com2015-06-16 → 2016-12-31 · 4 obs
● 2015-06-16 04:11:46
● 2016-12-31 08:55:24
○ 2018-01-26 17:07:12
○ 2026-06-21 16:42:54
●NSduke.ns.cloudflare.com2026-02-16 → 2026-06-21 · 3 obs
○ 2018-01-26 17:07:12
● 2026-02-16 05:21:18
● 2026-06-21 16:42:54
●NSmartha.ns.cloudflare.com2026-02-16 → 2026-06-21 · 3 obs
○ 2018-01-26 17:07:12
● 2026-02-16 05:21:18
● 2026-06-21 16:42:54
○NSns1.namebrightdns.com2018-01-26 → 2018-01-26 · 4 obs
○ 2016-12-31 08:55:24
● 2018-01-26 17:07:12
○ 2026-02-16 05:21:18
○ 2026-06-21 16:42:54
○NSns2.namebrightdns.com2018-01-26 → 2018-01-26 · 4 obs
○ 2016-12-31 08:55:24
● 2018-01-26 17:07:12
○ 2026-02-16 05:21:18
○ 2026-06-21 16:42:54
●A104.21.87.1892026-02-16 → 2026-06-21 · 2 obs
● 2026-02-16 05:21:18
● 2026-06-21 16:42:54
●A172.67.145.1582026-02-16 → 2026-06-21 · 2 obs
● 2026-02-16 05:21:18
● 2026-06-21 16:42:54
●A2606:4700:3034::6815:57bd2026-02-16 → 2026-06-21 · 2 obs
● 2026-02-16 05:21:18
● 2026-06-21 16:42:54
●A2606:4700:3034::ac43:919e2026-02-16 → 2026-06-21 · 2 obs
● 2026-02-16 05:21:18
● 2026-06-21 16:42:54
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2018-01-26 → 2026-02-16 · 4 obs
● 2018-01-26 17:07:12
● 2026-02-16 05:21:18
○ 2026-02-20 22:55:44
○ 2026-06-21 16:42:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...-
bucdn.comduke.ns.cloudflare.com, martha.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.142

NS records: duke.ns.cloudflare.com, martha.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bucdn.com (unsigned zone)

⏱️ Timing

Total: 103ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.87.189, 172.67.145.158
AAAA22606:4700:3034::6815:57bd, 2606:4700:3034::ac43:919e
NS2duke.ns.cloudflare.com, martha.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1duke.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (duke.ns.cloudflare.com, duke.ns.cloudflare.com, duke.ns.cloudflare.com...)

Analysis

IP Addresses

bucdn.com points to the four IP addresses 104.21.87.189, 172.67.145.158, 2606:4700:3034::6815:57bd and 2606:4700:3034::ac43:919e.

Among the host names that share IP numbers with bucdn.com are fangzhengxian.sikuquanshu.online, zhoukoushi.sikuquanshu.online, www.rik.club and two others.

Name Servers

The NS records for bucdn.com delegate to duke.ns.cloudflare.com and martha.ns.cloudflare.com.

bucdn.com has the same name server delegation as a number of other domains, such as tianhuichang.com, du-ms.com, tc6c.com and two more.

The name servers of bucdn.com overlap at least partially with those of other domains — among them chainlinkinternet.com, acuaparquecali.com, genesis-theo.xyz and two more.

Host names resolving to 6 IP numbers:

duke.ns.cloudflare.com maps to 108.162.193.110, 172.64.33.110, 173.245.59.110 and 3 additional IP addresses.

martha.ns.cloudflare.com maps to 108.162.194.142, 162.159.38.142, 172.64.34.142 and 3 additional IP addresses.