`visualbooklab.com`

DNSSEC	⚠️ Not signed
A	23.88.73.47^{🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC}
		PTR	`mail.cwrose.de`
NS	`ns1.first-ns.de` ⭐
		A	2a01:4f8:0:a101::a:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns1.first-ns.de`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`robotns2.second-ns.de`
NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`robotns3.second-ns.com`
MX	`mail.visualbooklab.com` ⭐
		A	23.88.73.47^{🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC}
			PTR	`mail.cwrose.de`
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-04-14 #0

`com`

	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=1776238912

Subdomains

mail.visualbooklab.com

Same first word

visualbooklab.com

DNS History

9 records (5 active, 4 former)

○NSns1.dreamhost.com2015-06-18 → 2016-09-13 · 4 obs

● 2015-06-18 22:43:28
● 2016-09-13 10:36:22
○ 2017-08-15 03:16:50
○ 2026-04-15 08:12:28

●NSns1.first-ns.de2017-08-15 → 2026-04-15 · 3 obs

○ 2016-09-13 10:36:22
● 2017-08-15 03:16:50
● 2026-04-15 08:12:28

○NSns2.dreamhost.com2015-06-18 → 2016-09-13 · 4 obs

● 2015-06-18 22:43:28
● 2016-09-13 10:36:22
○ 2017-08-15 03:16:50
○ 2026-04-15 08:12:28

○NSns3.dreamhost.com2015-06-18 → 2016-09-13 · 4 obs

● 2015-06-18 22:43:28
● 2016-09-13 10:36:22
○ 2017-08-15 03:16:50
○ 2026-04-15 08:12:28

●NSrobotns2.second-ns.de2017-08-15 → 2026-04-15 · 3 obs

○ 2016-09-13 10:36:22
● 2017-08-15 03:16:50
● 2026-04-15 08:12:28

●NSrobotns3.second-ns.com2017-08-15 → 2026-04-15 · 3 obs

○ 2016-09-13 10:36:22
● 2017-08-15 03:16:50
● 2026-04-15 08:12:28

●MXmail.visualbooklab.com2017-08-15 → 2026-04-15 · 2 obs

● 2017-08-15 03:16:50
● 2026-04-15 08:12:28

●A23.88.73.472026-03-25 → 2026-04-15 · 3 obs

○ 2017-08-15 03:16:50
● 2026-03-25 21:53:04
● 2026-04-15 08:12:28

○A78.46.74.2022017-08-15 → 2017-08-15 · 3 obs

● 2017-08-15 03:16:50
○ 2026-03-25 21:53:04
○ 2026-04-15 08:12:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...	-
visualbooklab.com	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	2 records

✅ Authoritative Response

Server:193.47.99.3

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for visualbooklab.com (unsigned zone)

⏱️ Timing

Total: 734ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.88.73.47`
NS	3	`ns1.first-ns.de, robotns2.second-ns.de...`
MX	1	`mail.visualbooklab.com (pri: 10)`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)

Analysis

Hierarchy

visualbooklab.com is a parent of mail.visualbooklab.com.

IP Addresses

visualbooklab.com points to a single IP address: 23.88.73.47.

Other host names such as mail.cwrose.de, mail.visualbooklab.com, cwrose.de, videobooklab.com and carsten-rose.com share IP numbers with visualbooklab.com.

Name Servers

visualbooklab.com is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

At least part of the name servers for visualbooklab.com are shared with other domains, for instance pvpbattlearena.com, datability.at, otakustore.eu, mediainvest.de and mainschleife.net.

These name servers are commonly used alongside hydrogen.ns.hetzner.com and oxygen.ns.hetzner.com.

Host names with two IP numbers:

robotns3.second-ns.com points to 2001:67c:192c::add:a3 and 193.47.99.3

ns1.first-ns.de points to 2a01:4f8:0:a101::a:1 and 213.239.242.238

robotns2.second-ns.de points to 2a01:4f8:0:1::5ddc:2 and 213.133.100.103

Mail Servers

The mail server for visualbooklab.com is mail.visualbooklab.com.

Host mail.visualbooklab.com points to IP 23.88.73.47.

visualbooklab.com - robtex.com