bucdn.com - dns.ninja
bucdn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:57bd🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:919e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.87.189Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.145.158🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | duke.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b6e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c16e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:216e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 108.162.193.110🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 172.64.33.110🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 173.245.59.110🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| NS | martha.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:268e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | martha.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c28e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | martha.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:228e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | martha.ns.cloudflare.com | ||||||
| A | 108.162.194.142🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | martha.ns.cloudflare.com | ||||||
| A | 162.159.38.142Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | martha.ns.cloudflare.com | ||||||
| A | 172.64.34.142🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | martha.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.87.189, 172.67.145.158 | ||||||
| IPv6 hints | 2606:4700:3032::6815:57bd, 2606:4700:3037::ac43:919e | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=17, name=cloudflare-ech.com | ||||||
| SOA | duke.ns.cloudflare.comdns@cloudflare.com serial=2411589902 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786383049 | ||||||
Same first word
Similar names
ucbnd.com |
ubcdn.co |
ucdnb.com |
bnucd.com |
bundc.at |
cudbn.space |
cnbdu.com |
bducn.com |
budnc.com |
ncbud.com |
nbudc.com |
duncb.co.uk |
DNS History
13 records (6 active, 7 former)
○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
○ 2026-08-10 17:39:40
● 2016-12-31 08:55:24
○ 2018-01-26 17:07:12
○ 2026-08-10 17:39:40
○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
○ 2026-08-10 17:39:40
● 2016-12-31 08:55:24
○ 2018-01-26 17:07:12
○ 2026-08-10 17:39:40
●NSduke.ns.cloudflare.com2026-02-16 → 2026-08-10 · 3 obs
○ 2018-01-26 17:07:12
● 2026-02-16 05:21:18
● 2026-08-10 17:39:40
● 2026-02-16 05:21:18
● 2026-08-10 17:39:40
●NSmartha.ns.cloudflare.com2026-02-16 → 2026-08-10 · 3 obs
○ 2018-01-26 17:07:12
● 2026-02-16 05:21:18
● 2026-08-10 17:39:40
● 2026-02-16 05:21:18
● 2026-08-10 17:39:40
○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
○ 2026-08-10 17:39:40
● 2018-01-26 17:07:12
○ 2026-02-16 05:21:18
○ 2026-08-10 17:39:40
○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
○ 2026-08-10 17:39:40
● 2018-01-26 17:07:12
○ 2026-02-16 05:21:18
○ 2026-08-10 17:39:40
●A104.21.87.1892026-02-16 → 2026-08-10 · 2 obs
● 2026-02-16 05:21:18
● 2026-08-10 17:39:40
● 2026-08-10 17:39:40
●A172.67.145.1582026-02-16 → 2026-08-10 · 2 obs
● 2026-02-16 05:21:18
● 2026-08-10 17:39:40
● 2026-08-10 17:39:40
●A2606:4700:3032::6815:57bd2026-08-10 → 2026-08-10 · 2 obs
○ 2026-02-16 05:21:18
● 2026-08-10 17:39:40
● 2026-08-10 17:39:40
○A2606:4700:3034::6815:57bd2026-02-16 → 2026-02-16 · 2 obs
● 2026-02-16 05:21:18
○ 2026-08-10 17:39:40
○ 2026-08-10 17:39:40
○A2606:4700:3034::ac43:919e2026-02-16 → 2026-02-16 · 2 obs
● 2026-02-16 05:21:18
○ 2026-08-10 17:39:40
○ 2026-08-10 17:39:40
●A2606:4700:3037::ac43:919e2026-08-10 → 2026-08-10 · 2 obs
○ 2026-02-16 05:21:18
● 2026-08-10 17:39:40
● 2026-08-10 17:39:40
○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
○ 2026-08-10 17:39:40
● 2026-02-16 05:21:18
○ 2026-02-20 22:55:44
○ 2026-08-10 17:39:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net... | - |
| bucdn.com | duke.ns.cloudflare.com, martha.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.110
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: 139ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.87.189, 172.67.145.158 |
| AAAA | 2 | 2606:4700:3037::ac43:919e, 2606:4700:3032::6815:57bd |
| NS | 2 | duke.ns.cloudflare.com, martha.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | duke.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, 2606:4700:3032::6815:57bd and 2606:4700:3037::ac43:919e.
Among the host names that share IP numbers with bucdn.com are fangzhengxian.sikuquanshu.online, ac1321.top, camping-arlberg.at 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.