rdunc.com - dns.ninja

`rdunc.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1e65^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:acbc^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.30.101^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.188^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`harlee.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harlee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harlee.ns.cloudflare.com`
		A	108.162.194.238^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlee.ns.cloudflare.com`
		A	162.159.38.238^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlee.ns.cloudflare.com`
		A	172.64.34.238^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlee.ns.cloudflare.com`
NS	`kanye.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bbd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kanye.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1bd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kanye.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21bd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kanye.ns.cloudflare.com`
		A	108.162.193.189^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kanye.ns.cloudflare.com`
		A	172.64.33.189^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kanye.ns.cloudflare.com`
		A	173.245.59.189^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kanye.ns.cloudflare.com`
MX	`_dc-mx.5f7aeed46459.rdunc.com` ⭐
		A	170.249.236.27^{🇺🇸 PRIVATESYSTEMS170.249.236.0/22}
			PTR	`cp25-ga.privatesystems.net`
TXT	`v=spf1 +a +mx +ip4:170.249.236.27 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.30.101, 172.67.172.188
		IPv6 hints	2606:4700:3031::6815:1e65, 2606:4700:3034::ac43:acbc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=167, name=cloudflare-ech.com
SOA	`harlee.ns.cloudflare.com`dns@cloudflare.com serial=2410723071

`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.net`nstld@verisign-grs.com serial=1785615602

Subdomains

mail.rdunc.com

Same first word

rdunc.com

Similar names

dcrun.co.uk

ncrdu.com

cdnru.net

cundr.at

cnurd.com

cdrun.co

rucdn.link

rndcu.com

cundr.cz

cnrud.com

ucdrn.com

rundc.co.at

crund.com

uncrd.or.jp

cundr.de

rnduc.com

uncrd.org

cundr.eu

cndru.com

rundc.de

runcd.com

urcdn.com

urcdn.eu

DNS History

13 records (7 active, 6 former)

●NSharlee.ns.cloudflare.com2026-02-16 → 2026-08-01 · 3 obs

○ 2017-06-14 20:26:14
● 2026-02-16 03:32:24
● 2026-08-01 20:21:50

●NSkanye.ns.cloudflare.com2026-02-16 → 2026-08-01 · 3 obs

○ 2017-06-14 20:26:14
● 2026-02-16 03:32:24
● 2026-08-01 20:21:50

○NSns2.yourdnshost.com2015-08-20 → 2017-06-14 · 4 obs

● 2015-08-20 23:09:08
● 2017-06-14 20:26:14
○ 2026-02-16 03:32:24
○ 2026-08-01 20:21:50

○NSns43.yourdnshost.com2015-08-20 → 2017-06-14 · 4 obs

● 2015-08-20 23:09:08
● 2017-06-14 20:26:14
○ 2026-02-16 03:32:24
○ 2026-08-01 20:21:50

●MX_dc-mx.5f7aeed46459.rdunc.com2026-02-16 → 2026-08-01 · 3 obs

○ 2017-06-14 20:26:14
● 2026-02-16 03:32:24
● 2026-08-01 20:21:50

○MXmail.rdunc.com2015-08-20 → 2017-06-14 · 4 obs

● 2015-08-20 23:09:08
● 2017-06-14 20:26:14
○ 2026-02-16 03:32:24
○ 2026-08-01 20:21:50

●A104.21.30.1012026-02-16 → 2026-08-01 · 3 obs

○ 2017-06-14 20:26:14
● 2026-02-16 03:32:24
● 2026-08-01 20:21:50

●A172.67.172.1882026-02-16 → 2026-08-01 · 3 obs

○ 2017-06-14 20:26:14
● 2026-02-16 03:32:24
● 2026-08-01 20:21:50

●A2606:4700:3031::6815:1e652026-06-23 → 2026-08-01 · 3 obs

○ 2026-02-16 03:32:24
● 2026-06-23 05:07:22
● 2026-08-01 20:21:50

○A2606:4700:3031::ac43:acbc2026-02-16 → 2026-02-16 · 4 obs

○ 2017-06-14 20:26:14
● 2026-02-16 03:32:24
○ 2026-06-23 05:07:22
○ 2026-08-01 20:21:50

●A2606:4700:3034::ac43:acbc2026-06-23 → 2026-08-01 · 3 obs

○ 2026-02-16 03:32:24
● 2026-06-23 05:07:22
● 2026-08-01 20:21:50

○A2606:4700:3036::6815:1e652026-02-16 → 2026-02-16 · 4 obs

○ 2017-06-14 20:26:14
● 2026-02-16 03:32:24
○ 2026-06-23 05:07:22
○ 2026-08-01 20:21:50

○A75.127.110.432015-08-20 → 2017-06-14 · 4 obs

● 2015-08-20 23:09:08
● 2017-06-14 20:26:14
○ 2026-02-16 03:32:24
○ 2026-08-01 20:21:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
rdunc.com	kanye.ns.cloudflare.com, harlee.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.238

NS records: kanye.ns.cloudflare.com, harlee.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rdunc.com (unsigned zone)

⏱️ Timing

Total: 239ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.172.188, 104.21.30.101`
AAAA	2	`2606:4700:3034::ac43:acbc, 2606:4700:3031::6815:1e65`
NS	2	`harlee.ns.cloudflare.com, kanye.ns.cloudflare.com`
MX	1	`_dc-mx.5f7aeed46459.rdunc.com (pri: 10)`
TXT	1	`v=spf1 +a +mx +ip4:170.249.236.27 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`harlee.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

rdunc.com is a parent domain of mail.rdunc.com.

IP Addresses

rdunc.com resolves to four IP addresses: 104.21.30.101, 172.67.172.188, 2606:4700:3031::6815:1e65 and 2606:4700:3034::ac43:acbc.

sasoy.com, katsubet21.com, myfiredispatch.org plus two other host names have IP numbers in common with rdunc.com.

Name Servers

rdunc.com uses two name servers for its delegation: harlee.ns.cloudflare.com and kanye.ns.cloudflare.com.

The name server configuration of rdunc.com is shared with other domains, for instance frestiowa.ru, paknum.ac.th, waidrufroo.ru and two others.

rdunc.com shares at least some of its name servers with other domains, including hmaal.com, xemanh(0x736578).com, argembilisim.com and two others.

These name servers are frequently seen alongside the name servers khloe.ns.cloudflare.com, henry.ns.cloudflare.com, quinton.ns.cloudflare.com and luciana.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname harlee.ns.cloudflare.com directs to 108.162.194.238, 162.159.38.238 and 172.64.34.238 along with 3 other IP addresses.

Hostname kanye.ns.cloudflare.com directs to 108.162.193.189, 172.64.33.189 and 173.245.59.189 along with 3 other IP addresses.

Mail Servers

rdunc.com uses one mail server — _dc-mx.5f7aeed46459.rdunc.com.

_dc-mx.5f7aeed46459.rdunc.com directs to just one IP number, 170.249.236.27.