nucdn.co - robtex.com

nucdn.co

DNSSEC🔒 Signed (DS record present)
A2610:1c8:1b::10🇺🇸 AS233932610:1c8:1b::/48 200 Broadacres Dr Bloomfield NJ 07003 United States
PTR*.ahl2dooth-10.belugacdn.com
A2610:1c8:1b::11🇺🇸 AS233932610:1c8:1b::/48 200 Broadacres Dr Bloomfield NJ 07003 United States
A2610:1c8:1b::40🇺🇸 AS233932610:1c8:1b::/48 200 Broadacres Dr Bloomfield NJ 07003 United States
A2610:1c8:1b::41🇺🇸 AS233932610:1c8:1b::/48 200 Broadacres Dr Bloomfield NJ 07003 United States
A104.37.183.10🇺🇸 AS23393104.37.183.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States
A104.37.183.11🇺🇸 AS23393104.37.183.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States
A104.37.183.40🇺🇸 AS23393104.37.183.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States
A104.37.183.41🇺🇸 AS23393104.37.183.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States
NSns1.nucdn.co ⭐
A2610:1c8:b001::1🇺🇸 AS233932610:1c8:b001::/48 200 Broadacres Dr Bloomfield NJ 07003 United States
PTRns1.nudns.com
A199.167.66.1🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States
PTRns1.nudns.com
NSns2.nudns.com
A2610:1c8:b002::1🇺🇸 AS233932610:1c8:b002::/48 200 Broadacres Dr Bloomfield NJ 07003 United States
PTRns2.nudns.com
A104.37.178.1🇺🇸 AS23393104.37.178.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States
PTRns2.nudns.com
NSns3.nucdn.co
A2610:1c8:b001::2🇺🇸 AS233932610:1c8:b001::/48 200 Broadacres Dr Bloomfield NJ 07003 United States
PTRns3.nudns.com
A199.167.66.2🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States
PTRns3.nudns.com
NSns4.nudns.com
A2610:1c8:b002::2🇺🇸 AS233932610:1c8:b002::/48 200 Broadacres Dr Bloomfield NJ 07003 United States
PTRns3.moreweb.nz
A104.37.178.2🇺🇸 AS23393104.37.178.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States
PTRns4.nudns.com
MXmx1.nucdn.co ⭐
A107.173.114.57🇺🇸 Colocrossing-AS107.173.114.0/24
PTRus1.node.alcflex.com
MXmx2.nucdn.co(8)
A162.255.25.133🇺🇸 AS23393162.255.25.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States
MXmx3.nucdn.co(10)
A162.255.25.192🇺🇸 AS23393162.255.25.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States
MXmx4.nucdn.co(15)
A199.167.67.100🇺🇸 AS23393199.167.64.0/22 200 Broadacres Dr Bloomfield NJ 07003 United States
MXmx.nucdn.co(20)
A172.245.11.58🇺🇸 Colocrossing-AS172.245.8.0/21
PTRhq.alcflex.com
TXTv=spf1 +mx +a +ip4:162.255.25.133 +ip4:162.255.25.192 +ip4:199.167.67.100 +ip...
SOAns1.nucdn.coadmin@dnsbycomodo.com 2026-04-09 #13

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759644018

Subdomains

mx4.nucdn.co
ns3.nucdn.co
mx.nucdn.co
ns1.nucdn.co
mx1.nucdn.co
mx2.nucdn.co
mx3.nucdn.co

Same first word

nucdn.co
nucdn.net
nucdn.com

Similar names

cnudn.com
cundn.ch
cndun.com
unndc.com
cdnun.com
uncdn.com
duncn.com
uncnd.com
cdunn.io
cdunn.co.uk
unndc.cn
cdunn.net
cundn.de
cundn.com
ducnn.com
cdunn.com
cudnn.com
nundc.com

DNS History

17 records (17 active, 0 former)

NSns1.nucdn.cons2.nudns.comns3.nucdn.cons4.nudns.comMXmx.nucdn.comx1.nucdn.comx2.nucdn.comx3.nucdn.comx4.nucdn.coA104.37.183.10104.37.183.11104.37.183.40104.37.183.412610:1c8:1b::102610:1c8:1b::112610:1c8:1b::402610:1c8:1b::41
●NSns1.nucdn.co2026-03-21 → 2026-04-27 · 2 obs
● 2026-03-21 11:00:44
● 2026-04-27 07:09:18
●NSns2.nudns.com2026-03-21 → 2026-04-27 · 2 obs
● 2026-03-21 11:00:44
● 2026-04-27 07:09:18
●NSns3.nucdn.co2026-03-21 → 2026-04-27 · 2 obs
● 2026-03-21 11:00:44
● 2026-04-27 07:09:18
●NSns4.nudns.com2026-03-21 → 2026-04-27 · 2 obs
● 2026-03-21 11:00:44
● 2026-04-27 07:09:18
●MXmx.nucdn.co2026-03-21 → 2026-04-27 · 2 obs
● 2026-03-21 11:00:44
● 2026-04-27 07:09:18
●MXmx1.nucdn.co2026-03-21 → 2026-04-27 · 2 obs
● 2026-03-21 11:00:44
● 2026-04-27 07:09:18
●MXmx2.nucdn.co2026-03-21 → 2026-04-27 · 2 obs
● 2026-03-21 11:00:44
● 2026-04-27 07:09:18
●MXmx3.nucdn.co2026-03-21 → 2026-04-27 · 2 obs
● 2026-03-21 11:00:44
● 2026-04-27 07:09:18
●MXmx4.nucdn.co2026-03-21 → 2026-04-27 · 2 obs
● 2026-03-21 11:00:44
● 2026-04-27 07:09:18
●A104.37.183.102026-03-26 → 2026-04-27 · 2 obs
● 2026-03-26 09:26:32
● 2026-04-27 07:09:18
●A104.37.183.112026-03-26 → 2026-04-27 · 2 obs
● 2026-03-26 09:26:32
● 2026-04-27 07:09:18
●A104.37.183.402026-03-26 → 2026-04-27 · 2 obs
● 2026-03-26 09:26:32
● 2026-04-27 07:09:18
●A104.37.183.412026-03-26 → 2026-04-27 · 2 obs
● 2026-03-26 09:26:32
● 2026-04-27 07:09:18
●A2610:1c8:1b::102026-03-26 → 2026-04-27 · 2 obs
● 2026-03-26 09:26:32
● 2026-04-27 07:09:18
●A2610:1c8:1b::112026-03-26 → 2026-04-27 · 2 obs
● 2026-03-26 09:26:32
● 2026-04-27 07:09:18
●A2610:1c8:1b::402026-03-26 → 2026-04-27 · 2 obs
● 2026-03-26 09:26:32
● 2026-04-27 07:09:18
●A2610:1c8:1b::412026-03-26 → 2026-04-27 · 2 obs
● 2026-03-26 09:26:32
● 2026-04-27 07:09:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co-
nucdn.cons1.nucdn.co, ns4.nudns.com, ns2.nudns.com, ns3.nucdn.co4 records

✅ Authoritative Response

Server:199.167.66.2

NS records: ns1.nucdn.co, ns4.nudns.com, ns2.nudns.com, ns3.nucdn.co

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 524ms | Queries: -

📄 Records

TypeCountSample Data
A4104.37.183.40, 104.37.183.11...
AAAA42610:1c8:1b::10, 2610:1c8:1b::40...
NS4ns4.nudns.com, ns2.nudns.com...
MX5mx1.nucdn.co (pri: 8), mx4.nucdn.co (pri: 20)...
TXT1v=spf1 +mx +a +ip4:162.255.25.133 +ip4:1
SOA1ns1.nucdn.co admin.dnsbycomodo.com

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.nucdn.co, ns3.nucdn.co, ns1.nucdn.co...)

Analysis

Hierarchy

nucdn.co is a parent of mx4.nucdn.co, ns3.nucdn.co, mx.nucdn.co, ns1.nucdn.co, mx1.nucdn.co and a few other host names.

IP Addresses

nucdn.co resolves to eight IP numbers: 2610:1c8:1b::10, 2610:1c8:1b::11, 2610:1c8:1b::40, 2610:1c8:1b::41, 104.37.183.10, 104.37.183.11, 104.37.183.40 and 104.37.183.41.

Other host names, for instance edge3.alchosting.net, share IP numbers with nucdn.co.

Name Servers

nucdn.co is delegated to four name servers: ns1.nucdn.co, ns3.nucdn.co, ns2.nudns.com and ns4.nudns.com.

nucdn.co at least partially shares name servers with other domains, for example rnr-ix.net, 105.241.20.8.in-addr.arpa, web2club.com, 66.167.199.in-addr.arpa and 2.0.0.b.8.c.1.0.0.1.6.2.ip6.arpa.

These name servers are often used together with ns1.nudns.com and ns3.nudns.com.

Host names with two IP numbers:

ns1.nucdn.co points to: 2610:1c8:b001::1 and 199.167.66.1

ns3.nucdn.co points to: 2610:1c8:b001::2 and 199.167.66.2

ns2.nudns.com points to: 2610:1c8:b002::1 and 104.37.178.1

ns4.nudns.com points to: 2610:1c8:b002::2 and 104.37.178.2

Mail Servers

nucdn.co is handled by five mail servers: mx1.nucdn.co, mx2.nucdn.co, mx3.nucdn.co, mx4.nucdn.co and mx.nucdn.co.

Host names with one IP number:

mx1.nucdn.co points to 107.173.114.57

mx2.nucdn.co points to 162.255.25.133

mx3.nucdn.co points to 162.255.25.192

mx4.nucdn.co points to 199.167.67.100

mx.nucdn.co points to 172.245.11.58