`cntsw.de`

DNSSEC	⚠️ Not signed
A	87.191.170.109^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
		PTR	`cntsw.de`
NS	`root-dns.netcup.net` ⭐
		A	2a03:4000:0:1::e1e1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`root-dns.netcup.net`
		A	46.38.225.225^{🇩🇪 netcup-AS46.38.225.0/24}
			PTR	`root-dns.netcup.net`
NS	`second-dns.netcup.net`
		A	2a03:4000:2:24b::c7c7^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`second-dns.netcup.net`
		A	37.221.199.199^{🇩🇪 netcup-AS37.221.196.0/22}
			PTR	`second-dns.netcup.net`
NS	`third-dns.netcup.net`
		A	2a03:4001:0:106::3f44^{🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
		A	188.68.63.68^{🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
MX	`mail.cntsw.de` ⭐
		A	87.191.170.109^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
			PTR	`cntsw.de`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2026-03-17 #28

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1773553752

PTR for

109.170.191.87.in-addr.arpa

Same first word

cntsw.de

Similar names

wcnst.com

cnwst.cn

nwcts.com

swcnt.com

wscnt.net

ntcsw.com

cnstw.com

nwcts.org

ntwcs.com

twsnc.com

cnwst.com

swctn.com

sctwn.com

sntcw.cn

wtscn.cn

wncst.com

twncs.com

ctsnw.cn

tcnsw.com.au

cstnw.ru

wtsnc.com

cwnts.cn

tncws.com

cnswt.net

tcnsw.com

csntw.com

cnstw.net

wcstn.org

tcnws.com

tsncw.com

cstnw.org

stncw.cn

swctn.org.uk

stwcn.com

wtscn.com

cstnw.com

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, a.nic.de, z.nic.de	-
cntsw.de	root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:46.38.225.225

NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cntsw.de (unsigned zone)

⏱️ Timing

Total: 987ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.191.170.109`
NS	3	`second-dns.netcup.net, third-dns.netcup.net...`
MX	1	`mail.cntsw.de (pri: 1)`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

IP Addresses

cntsw.de points to IP number 87.191.170.109.

Name Servers

The delegation for cntsw.de is handled by three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

cntsw.de shares name servers with other domains at least partially, for example 2moons.de, familie-eckert.com, chat4singles.de, blidon.eu and everblack.eu.

Host names with two IPs:

root-dns.netcup.net points to 2a03:4000:0:1::e1e1 and 46.38.225.225

second-dns.netcup.net points to 2a03:4000:2:24b::c7c7 and 37.221.199.199

third-dns.netcup.net points to 2a03:4001:0:106::3f44 and 188.68.63.68

Mail Servers

cntsw.de is handled by a single mail server, mail.cntsw.de.

mail.cntsw.de points to a single IP: 87.191.170.109.

cntsw.de - robtex.com

cntsw.de

de