2plus2.cz - dns.ninja

`2plus2.cz`

DNSSEC	⚠️ Not signed
A	2a01:5e0:26::170^{🇨🇿 VODAFONE-CZ-AS2a01:5e0::/33 Vodafone Czech Republic a.s.}
		PTR	`redbox.nanoserver.cz`
A	88.146.242.170^{🇨🇿 VODAFONE-CZ-AS88.146.192.0/18 Vodafone Czech Republic a.s.}
NS	`ns1.tele3.cz` ⭐
		A	2001:1528:123::d01^{🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network}
		A	81.0.217.111^{🇨🇿 CASABLANCA-AS81.0.217.0/24 Casablanca INT}
NS	`ns2.tele3.cz`
		A	2001:4de8:fa71:7e1e::d02^{🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s.}
			PTR	`ns2.tele3.cz`
		A	95.80.251.222^{🇨🇿 QUANTCOM-AS95.80.192.0/18 Dial Telecom, a.s.}
			PTR	`ns2.tele3.cz`
NS	`ns3.tele3.eu`
		A	2a01:4f8:162:24c1::d03^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns3.tele3.eu`
		A	5.9.97.250^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
			PTR	`ns3.tele3.eu`
MX	`mail.dc3.cz` ⭐
		A	81.0.217.5^{🇨🇿 CASABLANCA-AS81.0.217.0/24 Casablanca INT}
SOA	`ns1.tele3.cz`root@tele3.cz serial=1763020582

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1781768838

Same first word

2plus2.me

2plus2.com

2plus2.dk

2plus2.ru

2plus2.cz

2plus2.bg

2plus2.ro

2plus2.eu

2plus2.co.uk

2plus2.biz

2plus2.ch

2plus2.pl

2plus2.fr

2plus2.net

2plus2.us

2plus2.de

2plus2.online

2plus2.tv

2plus2.ua

2plus2.edu.pl

2plus2.is

2plus2.ca

2plus2.at

Similar names

22plus.com.hk

plus22.ru

plus22.com

22plus.com

22plus.jp

DNS History

14 records (6 active, 8 former)

○NSns.wedos.com2015-07-06 → 2017-04-13 · 4 obs

● 2015-07-06 10:32:36
● 2017-04-13 09:22:48
○ 2026-02-21 03:02:28
○ 2026-06-18 08:15:38

○NSns.wedos.cz2015-07-06 → 2017-04-13 · 4 obs

● 2015-07-06 10:32:36
● 2017-04-13 09:22:48
○ 2026-02-21 03:02:28
○ 2026-06-18 08:15:38

○NSns.wedos.eu2015-07-06 → 2017-04-13 · 4 obs

● 2015-07-06 10:32:36
● 2017-04-13 09:22:48
○ 2026-02-21 03:02:28
○ 2026-06-18 08:15:38

○NSns.wedos.net2015-07-06 → 2017-04-13 · 4 obs

● 2015-07-06 10:32:36
● 2017-04-13 09:22:48
○ 2026-02-21 03:02:28
○ 2026-06-18 08:15:38

●NSns1.tele3.cz2026-02-21 → 2026-06-18 · 3 obs

○ 2017-04-13 09:22:48
● 2026-02-21 03:02:28
● 2026-06-18 08:15:38

●NSns2.tele3.cz2026-02-21 → 2026-06-18 · 3 obs

○ 2017-04-13 09:22:48
● 2026-02-21 03:02:28
● 2026-06-18 08:15:38

●NSns3.tele3.eu2026-02-21 → 2026-06-18 · 3 obs

○ 2017-04-13 09:22:48
● 2026-02-21 03:02:28
● 2026-06-18 08:15:38

●MXmail.dc3.cz2026-02-21 → 2026-06-18 · 3 obs

○ 2017-04-13 09:22:48
● 2026-02-21 03:02:28
● 2026-06-18 08:15:38

○MXwe2-mx.wedos.net2015-07-06 → 2015-11-14 · 4 obs

● 2015-07-06 10:32:36
● 2015-11-14 22:16:44
○ 2016-02-25 14:38:44
○ 2026-06-18 08:15:38

○MXwes1-mx1.wedos.net2016-02-25 → 2017-04-13 · 5 obs

○ 2015-11-14 22:16:44
● 2016-02-25 14:38:44
● 2017-04-13 09:22:48
○ 2026-02-21 03:02:28
○ 2026-06-18 08:15:38

○MXwes1-mx2.wedos.net2016-02-25 → 2017-04-13 · 5 obs

○ 2015-11-14 22:16:44
● 2016-02-25 14:38:44
● 2017-04-13 09:22:48
○ 2026-02-21 03:02:28
○ 2026-06-18 08:15:38

●A2a01:5e0:26::1702026-02-21 → 2026-06-18 · 3 obs

○ 2017-04-13 09:22:48
● 2026-02-21 03:02:28
● 2026-06-18 08:15:38

○A46.28.105.772015-07-06 → 2017-04-13 · 4 obs

● 2015-07-06 10:32:36
● 2017-04-13 09:22:48
○ 2026-02-21 03:02:28
○ 2026-06-18 08:15:38

●A88.146.242.1702026-02-21 → 2026-06-18 · 3 obs

○ 2017-04-13 09:22:48
● 2026-02-21 03:02:28
● 2026-06-18 08:15:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	8 records
2plus2.cz	ns1.tele3.cz, ns2.tele3.cz, ns3.tele3.eu	4 records

✅ Authoritative Response

Server:81.0.217.111

NS records: ns1.tele3.cz, ns2.tele3.cz, ns3.tele3.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 2plus2.cz (unsigned zone)

⏱️ Timing

Total: 1595ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.146.242.170`
AAAA	1	`2a01:5e0:26::170`
NS	3	`ns1.tele3.cz, ns2.tele3.cz...`
MX	1	`mail.dc3.cz (pri: 10)`
SOA	1	`ns1.tele3.cz root.tele3.cz`

📌 Glue Records Collected

Total: 12

In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)

Out-of-bailiwick: 4 (ns1.tele3.cz, ns1.tele3.cz, ns2.tele3.cz...)

Analysis

IP Addresses

2plus2.cz points to the IP addresses 88.146.242.170 and 2a01:5e0:26::170

gracos.cz, aberto.cz, aspa.sk plus two other host names have IP numbers in common with 2plus2.cz.

Name Servers

2plus2.cz carries NS records delegating to ns1.tele3.cz, ns2.tele3.cz and ns3.tele3.eu.

At least some of 2plus2.cz's name servers are shared with other domains, for example starlet.sk, tele3.us, ficaj.cz and two more.

These name servers tend to be used in conjunction with the name servers ns4.tele3.us.

ns1.tele3.cz, ns2.tele3.cz and ns3.tele3.eu are three hostnames that each resolve to a pair of IP addresses: ns1.tele3.cz to 81.0.217.111 and 2001:1528:123::d01, ns2.tele3.cz to 95.80.251.222 and 2001:4de8:fa71:7e1e::d02, and ns3.tele3.eu to 5.9.97.250 and 2a01:4f8:162:24c1::d03.

Mail Servers

2plus2.cz uses one mail server — mail.dc3.cz.

The mail server setup of 2plus2.cz matches that of other domains such as cerpad.cz, bytvpraze.cz, galium.cz and two others.

mail.dc3.cz carries a single IP number, which is 81.0.217.5.