cupdev.net - dns.ninja

`cupdev.net`

DNSSEC	⚠️ Not signed
A	2a01:4f9:2a:1861::2^{🇩🇪 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK}
		PTR	`cupdev.net`
A	95.216.24.30^{🇫🇮 Hetzner95.216.0.0/16 HETZNER-DC}
NS	`ns1.first-ns.de` ⭐
		A	2a01:4f8:0:a101::a:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns1.first-ns.de`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`robotns2.second-ns.de`
NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`robotns3.second-ns.com`
MX	`cupdev.net` ⭐
		A	2a01:4f9:2a:1861::2^{🇩🇪 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK}
			PTR	`cupdev.net`
		A	95.216.24.30^{🇫🇮 Hetzner95.216.0.0/16 HETZNER-DC}
			PTR	`cupdev.net`
TXT	`v=spf1 mx a:cupdev.net ip6:2a01:4f9:2a:1861::4464:12 -all`
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-04-14 #0

`net`

	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=1780998846

WOT: SAFE (92/100)

PTR for

30.24.216.95.in-addr.arpa

2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.6.8.1.a.2.0.0.9.f.4.0.1.0.a.2.ip6.arpa

MX for

ketratech.com

boreasduo.com

cupdev.net

Previously MX for

inexor.org

Same first word

cupdev.com

cupdev.com.br

cupdev.net

cupdev.co.uk

Similar names

upcdev.net

devcpu.com

cpudev.org

cpudev.com

devcup.com

DNS History

9 records (6 active, 3 former)

●NSns1.first-ns.de2015-08-09 → 2026-06-09 · 2 obs

● 2015-08-09 14:09:46
● 2026-06-09 10:03:36

●NSrobotns2.second-ns.de2015-08-09 → 2026-06-09 · 2 obs

● 2015-08-09 14:09:46
● 2026-06-09 10:03:36

●NSrobotns3.second-ns.com2015-08-09 → 2026-06-09 · 2 obs

● 2015-08-09 14:09:46
● 2026-06-09 10:03:36

●MXcupdev.net2017-12-12 → 2026-06-09 · 3 obs

○ 2016-12-22 17:59:00
● 2017-12-12 00:35:14
● 2026-06-09 10:03:36

○MXmail.cupdev.net2015-08-09 → 2016-04-07 · 4 obs

● 2015-08-09 14:09:46
● 2016-04-07 00:40:56
○ 2016-12-22 17:59:00
○ 2026-06-09 10:03:36

○A176.9.65.482015-08-09 → 2017-12-12 · 4 obs

● 2015-08-09 14:09:46
● 2017-12-12 00:35:14
○ 2020-01-28 14:29:20
○ 2026-06-09 10:03:36

○A2a01:4f8:150:8321::22015-08-09 → 2017-12-12 · 4 obs

● 2015-08-09 14:09:46
● 2017-12-12 00:35:14
○ 2020-01-28 14:29:20
○ 2026-06-09 10:03:36

●A2a01:4f9:2a:1861::22020-01-28 → 2026-06-09 · 3 obs

○ 2017-12-12 00:35:14
● 2020-01-28 14:29:20
● 2026-06-09 10:03:36

●A95.216.24.302020-01-28 → 2026-06-09 · 3 obs

○ 2017-12-12 00:35:14
● 2020-01-28 14:29:20
● 2026-06-09 10:03:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	h.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net...	-
cupdev.net	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	-

✅ Authoritative Response

Server:213.239.242.238

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cupdev.net (unsigned zone)

⏱️ Timing

Total: 1383ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`95.216.24.30`
AAAA	1	`2a01:4f9:2a:1861::2`
NS	3	`robotns3.second-ns.com, ns1.first-ns.de...`
MX	1	`cupdev.net (pri: 10)`
TXT	1	`v=spf1 mx a:cupdev.net ip6:2a01:4f9:2a:1`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

Analysis

Mail Server Role

cupdev.net handles mail for ketratech.com, boreasduo.com and cupdev.net.

IP Addresses

cupdev.net points to two IP numbers: 95.216.24.30 and 2a01:4f9:2a:1861::2.

boreasduo.com and ketratech.com are among other host names that share IP numbers with cupdev.net.

Name Servers

DNS for cupdev.net is handled by three authoritative name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

The name servers of cupdev.net overlap at least partially with those of other domains — among them protex-online.de, itrath.de, edv-gorray.de and two more.

These name servers commonly co-occur with the name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de and ns9.miwi-dv.net.

Three hostnames — robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de — each have two IP addresses: robotns3.second-ns.com has 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de has 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de has 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.

Mail Servers

The MX record for cupdev.net points to a single mail server: cupdev.net.

The MX records for cupdev.net match those of other domains — including ketratech.com and boreasduo.com.

cupdev.net resolves to two IP numbers — 95.216.24.30 and 2a01:4f9:2a:1861::2.