`b1-cloud.net`

DNSSEC	⚠️ Not signed
NS	`hydrogen.ns.hetzner.com` ⭐
		A	2a01:4f8:0:1::add:1098^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`hydrogen.ns.hetzner.com`
		A	213.133.100.98^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`hydrogen.ns.hetzner.com`
NS	`helium.ns.hetzner.de`
		A	2001:67c:192c::add:5^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`helium.ns.hetzner.de`
		A	193.47.99.5^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`helium.ns.hetzner.de`
NS	`oxygen.ns.hetzner.com`
		A	2a01:4f8:0:1::add:2992^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`oxygen.ns.hetzner.com`
		A	88.198.229.192^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`oxygen.ns.hetzner.com`
MX	`fw-mgmt02.rz02.b1-cloud.net` ⭐
		A	2a0d:2146:bdf8:1:85:209:133:163^{🇩🇪 TELE902a0d:2146:bdf8::/48 Telecom GmbH}
			PTR	`mailgw.rz02.b1-cloud.net`
		A	85.209.133.163^{🇺🇸 TELE9085.209.133.0/24 Telecom GmbH}
			PTR	`mailgw.rz02.b1-cloud.net`
SOA	`hydrogen.ns.hetzner.com`dns@hetzner.com 2026-03-25 #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=1774568812

📈 Tranco rank: #944,274

Subdomains

rz02.b1-cloud.net

Same first word

b1-cloud.net

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	f.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net...	-
b1-cloud.net	helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com	-

✅ Authoritative Response

Server:213.133.100.98

NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b1-cloud.net (unsigned zone)

⏱️ Timing

Total: 855ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`helium.ns.hetzner.de, hydrogen.ns.hetzner.com...`
MX	1	`fw-mgmt02.rz02.b1-cloud.net (pri: 10)`
SOA	1	`hydrogen.ns.hetzner.com dns.hetzner.com`

Analysis

Hierarchy

The parent of rz02.b1-cloud.net is b1-cloud.net.

Name Servers

b1-cloud.net is delegated to three name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

b1-cloud.net at least partially shares name servers with other domains, for instance rabblemail.ie, zvuksvet.com.ua, eoe.de, surteco.pt and locabee.dk.

These name servers are commonly used with ns1.first-ns.de and robotns2.second-ns.de.

Host names with two IP numbers:

hydrogen.ns.hetzner.com points to 2a01:4f8:0:1::add:1098 and 213.133.100.98; oxygen.ns.hetzner.com points to 2a01:4f8:0:1::add:2992 and 88.198.229.192; helium.ns.hetzner.de points to 2001:67c:192c::add:5 and 193.47.99.5.

Mail Servers

b1-cloud.net is handled by a single mail server, fw-mgmt02.rz02.b1-cloud.net.

b1-cloud.net shares the same mail server setup as other domains, for instance compnetgmbh.de and rz02.b1-cloud.net.

fw-mgmt02.rz02.b1-cloud.net resolves to two IPs: 2a0d:2146:bdf8:1:85:209:133:163 and 85.209.133.163.

b1-cloud.net - robtex.com

b1-cloud.net

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