`captainshandbook.de`

DNSSEC	⚠️ Not signed
A	2a02:420:0:10::900^{🇩🇪 NETBUILD-AS2a02:420::/29 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
		PTR	`hosting07.nbgo.de`
A	185.146.238.138^{🇩🇪 NETBUILD-AS185.146.236.0/22 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
NS	`sec-dns01.nbgo.de` ⭐
		A	2a02:420:0:10::2^{🇩🇪 NETBUILD-AS2a02:420::/29 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
		A	185.146.238.254^{🇩🇪 NETBUILD-AS185.146.236.0/22 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
NS	`pri-h07.nbgo.de`
		A	2a02:420:0:10::900^{🇩🇪 NETBUILD-AS2a02:420::/29 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
			PTR	`hosting07.nbgo.de`
		A	185.146.238.138^{🇩🇪 NETBUILD-AS185.146.236.0/22 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
			PTR	`hosting07.nbgo.de`
MX	`mail.captainshandbook.de` ⭐
		A	2a02:420:0:10::900^{🇩🇪 NETBUILD-AS2a02:420::/29 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
			PTR	`hosting07.nbgo.de`
		A	185.146.238.138^{🇩🇪 NETBUILD-AS185.146.236.0/22 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
			PTR	`hosting07.nbgo.de`
TXT	`v=spf1 +a +mx +a:hosting07.nbgo.de -all`
SOA	`sec-dns01.nbgo.de`sk@shannon-travel.de 2023-10-16 #6

`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=1777442120

Subdomains

mail.captainshandbook.de

Same first word

captainshandbook.de

DNS History

10 records (5 active, 5 former)

○NSns1.net-build.net2015-07-02 → 2017-08-25 · 4 obs

● 2015-07-02 00:12:46
● 2017-08-25 17:43:34
○ 2026-02-17 11:55:16
○ 2026-04-29 06:18:14

○NSns2.net-build.net2015-07-02 → 2017-08-25 · 4 obs

● 2015-07-02 00:12:46
● 2017-08-25 17:43:34
○ 2026-02-17 11:55:16
○ 2026-04-29 06:18:14

○NSns3.net-build.net2015-07-02 → 2017-08-25 · 4 obs

● 2015-07-02 00:12:46
● 2017-08-25 17:43:34
○ 2026-02-17 11:55:16
○ 2026-04-29 06:18:14

○NSns4.net-build.net2015-07-02 → 2017-08-25 · 4 obs

● 2015-07-02 00:12:46
● 2017-08-25 17:43:34
○ 2026-02-17 11:55:16
○ 2026-04-29 06:18:14

●NSpri-h07.nbgo.de2026-02-17 → 2026-04-29 · 3 obs

○ 2017-08-25 17:43:34
● 2026-02-17 11:55:16
● 2026-04-29 06:18:14

●NSsec-dns01.nbgo.de2026-02-17 → 2026-04-29 · 3 obs

○ 2017-08-25 17:43:34
● 2026-02-17 11:55:16
● 2026-04-29 06:18:14

●MXmail.captainshandbook.de2015-07-02 → 2026-04-29 · 2 obs

● 2015-07-02 00:12:46
● 2026-04-29 06:18:14

●A185.146.238.1382026-02-17 → 2026-04-29 · 3 obs

○ 2017-08-25 17:43:34
● 2026-02-17 11:55:16
● 2026-04-29 06:18:14

●A2a02:420:0:10::9002026-02-17 → 2026-04-29 · 3 obs

○ 2017-08-25 17:43:34
● 2026-02-17 11:55:16
● 2026-04-29 06:18:14

○A87.237.122.1702015-07-02 → 2017-08-25 · 4 obs

● 2015-07-02 00:12:46
● 2017-08-25 17:43:34
○ 2026-02-17 11:55:16
○ 2026-04-29 06:18:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
captainshandbook.de	pri-h07.nbgo.de, sec-dns01.nbgo.de	-

✅ Authoritative Response

Server:185.146.238.138

NS records: pri-h07.nbgo.de, sec-dns01.nbgo.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for captainshandbook.de (unsigned zone)

⏱️ Timing

Total: 1310ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.146.238.138`
AAAA	1	`2a02:420:0:10::900`
NS	2	`pri-h07.nbgo.de, sec-dns01.nbgo.de`
MX	1	`mail.captainshandbook.de (pri: 10)`
TXT	1	`v=spf1 +a +mx +a:hosting07.nbgo.de -all`
SOA	1	`sec-dns01.nbgo.de sk.shannon-travel.de`

Analysis

Hierarchy

The parent of mail.captainshandbook.de is captainshandbook.de.

IP Addresses

captainshandbook.de points to two IP numbers: 2a02:420:0:10::900 and 185.146.238.138.

Other host names such as mail.las-sollinger.de, lf1.de, mail.nadir.de, nadir-online.de and aod-rpg.de share IPs with captainshandbook.de.

Name Servers

Two name servers pri-h07.nbgo.de and sec-dns01.nbgo.de handle the delegation for captainshandbook.de.

captainshandbook.de shares the same name server setup as other domains, for example marburger.at, b-lohmann.de, betonschatz.de, nadir.de and bsh-mobile.de.

captainshandbook.de at least partially shares name servers with other domains, for example esprissimo.de, delzer.de, brauart.eu, gerdsberatung.de and bno-ev.de.

these name servers are commonly used with the following name servers: pri-h04.nbgo.de, pri-h01.nbgo.de, pri-r02.nbgo.de, gate01.scgateway.de, pri-h2011.nbgo.de, gate.scgateway.de, pri-h02.nbgo.de, pri-h10.nbgo.de, pri-h06.nbgo.de and pri-h2026.nbgo.de.

Host names with two IP numbers:

pri-h07.nbgo.de points to 2a02:420:0:10::900 and 185.146.238.138.

sec-dns01.nbgo.de points to 2a02:420:0:10::2 and 185.146.238.254.

Mail Servers

The mail.captainshandbook.de mail server handles captainshandbook.de.

mail.captainshandbook.de points to two IP numbers: 2a02:420:0:10::900 and 185.146.238.138.

captainshandbook.de - robtex.com