cplusplus.net - dns.ninja

`cplusplus.net`

DNSSEC	⚠️ Not signed
A	2001:1ab0:7e1e:151:62:109:155:170^{🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
		PTR	`dw227.webglobe.com`
A	62.109.155.170^{🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
NS	`ns1.savana.cz` ⭐
		A	2a00:1e40:a:53::5^{🇸🇰 IGNUM-AS2a00:1e40:a::/48}
			PTR	`ns1-bra.core.webglobe.com`
		A	185.65.223.35^{🇸🇰 IGNUM-AS185.65.223.0/24}
			PTR	`ns1-bra.core.webglobe.com`
NS	`ns2.savana.cz`
		A	2001:1ab0:7e1e:2::5^{🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
		A	217.31.48.201^{🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
NS	`ns3.savana.cz`
		A	2a03:b0c0:1:d0::1090:2001^{🇬🇧 DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean}
			PTR	`ns3-lon.core.webglobe.com`
		A	178.62.60.201^{🇬🇧 DIGITALOCEAN178.62.0.0/18 DigitalOcean}
			PTR	`ns3-lon.core.webglobe.com`
MX	`mx1.savana.cz` ⭐
		A	130.193.14.154^{🇨🇿 IGNUM-AS130.193.8.0/21 Webglobe s.r.o. H90}
			PTR	`email.webglobe.cz`
MX	`mx2.savana.cz`⁽²⁰⁾
		A	185.102.21.80^{🇨🇿 ONE-NETWORK185.102.21.0/24}
SOA	`ns1.savana.cz`hostmaster@savana.cz 2025-02-10 #1

`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=1785109707

Same first word

cplusplus.wtf

cplusplus.co

cplusplus.me

cplusplus.dk

cplusplus.se

cplusplus.guru

cplusplus.fi

cplusplus.it

cplusplus.cz

cplusplus.cc

cplusplus.co.uk

cplusplus.in

cplusplus.cn

cplusplus.org

cplusplus.de

cplusplus.jp

cplusplus.space

cplusplus.eu

cplusplus.com

cplusplus.github.io

cplusplus.net

DNS History

15 records (7 active, 8 former)

○NSdns1.name-services.com2015-08-08 → 2016-12-31 · 4 obs

● 2015-08-08 04:44:20
● 2016-12-31 00:04:48
○ 2026-02-19 14:42:08
○ 2026-07-26 23:50:38

○NSdns2.name-services.com2015-08-08 → 2016-12-31 · 4 obs

● 2015-08-08 04:44:20
● 2016-12-31 00:04:48
○ 2026-02-19 14:42:08
○ 2026-07-26 23:50:38

○NSdns3.name-services.com2015-08-08 → 2016-12-31 · 4 obs

● 2015-08-08 04:44:20
● 2016-12-31 00:04:48
○ 2026-02-19 14:42:08
○ 2026-07-26 23:50:38

○NSdns4.name-services.com2015-08-08 → 2016-12-31 · 4 obs

● 2015-08-08 04:44:20
● 2016-12-31 00:04:48
○ 2026-02-19 14:42:08
○ 2026-07-26 23:50:38

○NSdns5.name-services.com2015-08-08 → 2016-12-31 · 4 obs

● 2015-08-08 04:44:20
● 2016-12-31 00:04:48
○ 2026-02-19 14:42:08
○ 2026-07-26 23:50:38

●NSns1.savana.cz2026-02-19 → 2026-07-26 · 3 obs

○ 2016-12-31 00:04:48
● 2026-02-19 14:42:08
● 2026-07-26 23:50:38

●NSns2.savana.cz2026-02-19 → 2026-07-26 · 3 obs

○ 2016-12-31 00:04:48
● 2026-02-19 14:42:08
● 2026-07-26 23:50:38

●NSns3.savana.cz2026-02-19 → 2026-07-26 · 3 obs

○ 2016-12-31 00:04:48
● 2026-02-19 14:42:08
● 2026-07-26 23:50:38

●MXmx1.savana.cz2026-02-19 → 2026-07-26 · 3 obs

○ 2015-12-13 05:48:28
● 2026-02-19 14:42:08
● 2026-07-26 23:50:38

●MXmx2.savana.cz2026-02-19 → 2026-07-26 · 3 obs

○ 2015-12-13 05:48:28
● 2026-02-19 14:42:08
● 2026-07-26 23:50:38

○MXp.nsm.ctmail.com2015-08-08 → 2015-08-08 · 3 obs

● 2015-08-08 04:44:20
○ 2015-12-13 05:48:28
○ 2026-07-26 23:50:38

●A2001:1ab0:7e1e:151:62:109:155:1702026-02-19 → 2026-07-26 · 3 obs

○ 2016-12-31 00:04:48
● 2026-02-19 14:42:08
● 2026-07-26 23:50:38

●A62.109.155.1702026-02-19 → 2026-07-26 · 3 obs

○ 2016-12-31 00:04:48
● 2026-02-19 14:42:08
● 2026-07-26 23:50:38

○A8.5.1.322015-08-08 → 2015-08-08 · 3 obs

● 2015-08-08 04:44:20
○ 2015-12-13 05:48:28
○ 2026-07-26 23:50:38

○A98.124.199.422015-12-13 → 2016-12-31 · 5 obs

○ 2015-08-08 04:44:20
● 2015-12-13 05:48:28
● 2016-12-31 00:04:48
○ 2026-02-19 14:42:08
○ 2026-07-26 23:50:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cplusplus.net	ns1.savana.cz, ns2.savana.cz, ns3.savana.cz	-

✅ Authoritative Response

Server:185.65.223.35

NS records: ns1.savana.cz, ns2.savana.cz, ns3.savana.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cplusplus.net (unsigned zone)

⏱️ Timing

Total: 761ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.109.155.170`
AAAA	1	`2001:1ab0:7e1e:151:62:109:155:170`
NS	3	`ns1.savana.cz, ns2.savana.cz...`
MX	2	`mx2.savana.cz (pri: 20), mx1.savana.cz (pri: 10)`
SOA	1	`ns1.savana.cz hostmaster.savana.cz`

Analysis

IP Addresses

cplusplus.net directs to two IP numbers, 62.109.155.170 and 2001:1ab0:7e1e:151:62:109:155:170

Two other host names, along with uzlaterybky.cz, aristo.cz and kospas.cz, also share IP numbers with cplusplus.net.

Name Servers

cplusplus.net is delegated to three name servers: ns1.savana.cz, ns2.savana.cz and ns3.savana.cz.

cplusplus.net has at least partial name server overlap with other domains, such as kurzy-instruktoru.cz, akryldek.com, monodesign.cz and two others.

ns1.savana.cz, ns2.savana.cz and ns3.savana.cz each resolve to two IP addresses: ns1.savana.cz resolves to 185.65.223.35 and 2a00:1e40:a:53::5; ns2.savana.cz resolves to 217.31.48.201 and 2001:1ab0:7e1e:2::5; ns3.savana.cz resolves to 178.62.60.201 and 2a03:b0c0:1:d0::1090:2001.

Mail Servers

cplusplus.net is served by two mail servers, mx1.savana.cz and mx2.savana.cz.

Among the domains sharing a mail server setup with cplusplus.net are web-recenze.cz, studiokoupelen.cz, stalloneland.alpaka.cz and two others.

cplusplus.net has mail servers in common with other domains — for example chalupasokolik.cz and staretramy.cz.

mx1.savana.cz directs to 130.193.14.154 and mx2.savana.cz directs to 185.102.21.80; each host name points to exactly one IP number.