`cos-tech.cloud`

DNSSEC	⚠️ Not signed
A	2a01:4f8:d0a:2784::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`www78.your-server.de`
A	213.133.104.78^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
NS	`ns1.your-server.de` ⭐
		A	2a01:4f8:0:1::5ddc:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.your-server.de`
		A	213.133.100.102^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
NS	`ns.second-ns.com`
		A	2a01:4f8:0:a101::b:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.second-ns.com`
		A	213.239.204.242^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns.second-ns.com`
NS	`ns3.second-ns.de`
		A	2001:67c:192c::add:b3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`ns3.second-ns.de`
		A	193.47.99.4^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`ns3.second-ns.de`
MX	`mail.cos-tech.cloud` ⭐
		A	2a01:4f8:1c1e:c6c4::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`mail.cos-tech.cloud`
		A	195.201.230.21^{🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC}
			PTR	`mail.cos-tech.cloud`
TXT	`v=spf1 +a +mx ?all`
SOA	`ns1.your-server.de`postmaster@your-server.de 2026-02-28 #2

`cloud`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1774603230

Subdomains

mail.cos-tech.cloud

Same first word

cos-tech.com

cos-tech.net

cos-tech.it

Similar names

s-cochet.github.io

sco-tech.org

sco-tech.com

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cloud	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	8 records
cos-tech.cloud	ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de	-

✅ Authoritative Response

Server:193.47.99.4

NS records: ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cos-tech.cloud (unsigned zone)

⏱️ Timing

Total: 732ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.133.104.78`
AAAA	1	`2a01:4f8:d0a:2784::2`
NS	3	`ns.second-ns.com, ns1.your-server.de...`
MX	1	`mail.cos-tech.cloud (pri: 5)`
TXT	1	`v=spf1 +a +mx ?all`
SOA	1	`ns1.your-server.de postmaster.your-serve`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org...)

Analysis

Hierarchy

cos-tech.cloud is a parent of mail.cos-tech.cloud.

IP Addresses

cos-tech.cloud points to two IP numbers: 2a01:4f8:d0a:2784::2 and 213.133.104.78.

Other host names such as mail.adktd.com, analytics.philpharma.de, mail.iamp.info, obwacht.at and mail.sfa-explorer.com share IP numbers with cos-tech.cloud.

Name Servers

cos-tech.cloud is delegated to three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

At least part of the name servers for cos-tech.cloud are shared with other domains, for instance baby-bay.de, tc-salzwedel.de, kissoftheoceanscup.org, baustellenausweis.de and nonsens.de.

Host names with two IP numbers:

ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242

ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4

ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102

Mail Servers

The mail server for cos-tech.cloud is mail.cos-tech.cloud.

cos-tech.cloud shares the same mail server setup as other domains, for instance mail.cos-tech.cloud.

Hostname mail.cos-tech.cloud resolves to two IPs: 2a01:4f8:1c1e:c6c4::1 and 195.201.230.21.

cos-tech.cloud - robtex.com

cos-tech.cloud

cloud