opencube.tw - dns.ninja

`opencube.tw`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:166e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:cc8b^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.22.110^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.139^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cash.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c151^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cash.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2151^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cash.ns.cloudflare.com`
		A	108.162.193.81^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	172.64.33.81^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	173.245.59.81^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
NS	`serena.ns.cloudflare.com`
		A	2606:4700:50::adf5:3adc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0dc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`serena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20dc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`serena.ns.cloudflare.com`
		A	108.162.192.220^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	172.64.32.220^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	173.245.58.220^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
MX	`mxa.mailgun.org` ⭐
		A	34.149.254.5^{🇺🇸 Google34.148.0.0/14}
			PTR	`5.254.149.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org` ⭐
		A	34.149.254.5^{🇺🇸 Google34.148.0.0/14}
			PTR	`5.254.149.34.bc.googleusercontent.com`
TXT	`v=spf1 include:mailgun.org ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.22.110, 172.67.204.139
		IPv6 hints	2606:4700:3033::6815:166e, 2606:4700:3035::ac43:cc8b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=72, name=cloudflare-ech.com
SOA	`cash.ns.cloudflare.com`dns@cloudflare.com serial=2407047429

`tw`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.tw` ⭐
	NS	`anytld.apnic.net` ⚠️ Not in parent delegation
	NS	`b.dns.tw`
	NS	`c.dns.tw`
	NS	`d.dns.tw`
	NS	`e.dns.tw`
	NS	`f.dns.tw`
	NS	`g.dns.tw`
	NS	`h.dns.tw`
	SOA	`a.dns.tw`snw@twnic.net.tw serial=2011027733

Subdomains

www.opencube.tw

Same first word

opencube.ro

opencube.tw

opencube.fr

opencube.com.sg

opencube.org

opencube.eu

opencube.de

opencube.net

opencube.cz

opencube.ca

opencube.co

opencube.com

opencube.co.jp

Similar names

cubeopen.com

bencoupe.com

DNS History

16 records (8 active, 8 former)

●NScash.ns.cloudflare.com2017-03-16 → 2026-06-27 · 2 obs

● 2017-03-16 15:24:26
● 2026-06-27 19:45:32

●NSserena.ns.cloudflare.com2017-03-16 → 2026-06-27 · 2 obs

● 2017-03-16 15:24:26
● 2026-06-27 19:45:32

●MXmxa.mailgun.org2026-03-01 → 2026-06-27 · 2 obs

● 2026-03-01 09:25:46
● 2026-06-27 19:45:32

●MXmxb.mailgun.org2026-03-01 → 2026-06-27 · 2 obs

● 2026-03-01 09:25:46
● 2026-06-27 19:45:32

●A104.21.22.1102026-03-01 → 2026-06-27 · 3 obs

○ 2020-02-04 03:50:48
● 2026-03-01 09:25:46
● 2026-06-27 19:45:32

○A104.31.76.1142017-03-16 → 2020-02-04 · 4 obs

● 2017-03-16 15:24:26
● 2020-02-04 03:50:48
○ 2026-03-01 09:25:46
○ 2026-06-27 19:45:32

○A104.31.77.1142017-03-16 → 2020-02-04 · 4 obs

● 2017-03-16 15:24:26
● 2020-02-04 03:50:48
○ 2026-03-01 09:25:46
○ 2026-06-27 19:45:32

●A172.67.204.1392026-03-01 → 2026-06-27 · 3 obs

○ 2020-02-04 03:50:48
● 2026-03-01 09:25:46
● 2026-06-27 19:45:32

○A2400:cb00:2048:1::681f:4c722017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 15:24:26
○ 2020-02-04 03:50:48
○ 2026-06-27 19:45:32

○A2400:cb00:2048:1::681f:4d722017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 15:24:26
○ 2020-02-04 03:50:48
○ 2026-06-27 19:45:32

●A2606:4700:3033::6815:166e2026-06-25 → 2026-06-27 · 3 obs

○ 2026-05-20 17:26:10
● 2026-06-25 15:24:26
● 2026-06-27 19:45:32

○A2606:4700:3033::681f:4c722020-02-04 → 2020-02-04 · 4 obs

○ 2017-03-16 15:24:26
● 2020-02-04 03:50:48
○ 2026-03-01 09:25:46
○ 2026-06-27 19:45:32

○A2606:4700:3033::ac43:cc8b2026-03-01 → 2026-05-20 · 5 obs

○ 2020-02-04 03:50:48
● 2026-03-01 09:25:46
● 2026-05-20 17:26:10
○ 2026-06-25 15:24:26
○ 2026-06-27 19:45:32

●A2606:4700:3035::ac43:cc8b2026-06-25 → 2026-06-27 · 3 obs

○ 2026-05-20 17:26:10
● 2026-06-25 15:24:26
● 2026-06-27 19:45:32

○A2606:4700:3036::681f:4d722020-02-04 → 2020-02-04 · 4 obs

○ 2017-03-16 15:24:26
● 2020-02-04 03:50:48
○ 2026-03-01 09:25:46
○ 2026-06-27 19:45:32

○A2606:4700:3037::6815:166e2026-03-01 → 2026-05-20 · 5 obs

○ 2020-02-04 03:50:48
● 2026-03-01 09:25:46
● 2026-05-20 17:26:10
○ 2026-06-25 15:24:26
○ 2026-06-27 19:45:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	h.dns.tw, e.dns.tw, f.dns.tw, b.dns.tw...	-
opencube.tw	cash.ns.cloudflare.com, serena.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.81

NS records: cash.ns.cloudflare.com, serena.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 861ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.22.110, 172.67.204.139`
AAAA	2	`2606:4700:3035::ac43:cc8b, 2606:4700:3033::6815:166e`
NS	2	`cash.ns.cloudflare.com, serena.ns.cloudflare.com`
MX	2	`mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10)`
TXT	1	`v=spf1 include:mailgun.org ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cash.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

www.opencube.tw is delegated beneath opencube.tw.

IP Addresses

opencube.tw points to the four IP addresses 104.21.22.110, 172.67.204.139, 2606:4700:3033::6815:166e and 2606:4700:3035::ac43:cc8b.

Additional host names — euyl.net, ts2008.net, coemco.org.br and two others — share IP numbers with opencube.tw.

Name Servers

opencube.tw is delegated to two name servers: cash.ns.cloudflare.com and serena.ns.cloudflare.com.

opencube.tw shares its name server setup with other domains, including lyg70.com, girl(0x736578)cam.com, lyg08.com and two others.

There is at least partial name server overlap between opencube.tw and other domains — alpappmobile.blue, indulge.co.kr, solarsystembh.com.br and two more among them.

These name servers are routinely deployed together with the name servers jessica.ns.cloudflare.com.

Host names with 6 IP numbers:

cash.ns.cloudflare.com resolves to 108.162.193.81, 172.64.33.81, 173.245.59.81 and 3 other IP addresses.

serena.ns.cloudflare.com resolves to 108.162.192.220, 172.64.32.220, 173.245.58.220 and 3 other IP addresses.

Mail Servers

opencube.tw has two mail servers: mxa.mailgun.org and mxb.mailgun.org.

opencube.tw shares the same mail server setup as other domains, including ecommtek.com, magic-(0x6e756465)s.com, acmx.com and two others.

opencube.tw shares mail servers — at least in part — with other domains, including csrahomebuyer.com, mtemp.com, mowthelawn.com and two others.

These mail servers are frequently used alongside the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, plus two others.

mxa.mailgun.org and mxb.mailgun.org both resolve to the same single IP address: 34.149.254.5.

mxa.mailgun.org and mxb.mailgun.org are host names that each point to 34.149.254.5 IP addresses.