`bu-expert.de`

DNSSEC	⚠️ Not signed
A	188.40.92.90^{🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1}
		PTR	`static.90.92.40.188.clients.your-server.de`

`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=1774829039

Same first word

bu-expert.de

DNS History

6 records (1 active, 5 former)

○NSns1.parkingcrew.net2015-07-07 → 2015-07-07 · 3 obs

● 2015-07-07 12:39:32
○ 2015-11-11 19:34:52
○ 2026-03-30 00:06:46

○NSns2.parkingcrew.net2015-07-07 → 2015-07-07 · 3 obs

● 2015-07-07 12:39:32
○ 2015-11-11 19:34:52
○ 2026-03-30 00:06:46

○MXmail.h-email.net2015-07-07 → 2015-07-07 · 3 obs

● 2015-07-07 12:39:32
○ 2015-11-11 19:34:52
○ 2026-03-30 00:06:46

○A185.53.178.62015-07-07 → 2015-07-07 · 3 obs

● 2015-07-07 12:39:32
○ 2015-11-11 19:34:52
○ 2026-03-30 00:06:46

●A188.40.92.902026-02-20 → 2026-03-30 · 3 obs

○ 2017-12-01 08:35:36
● 2026-02-20 18:16:48
● 2026-03-30 00:06:46

○A46.4.13.972015-11-11 → 2017-12-01 · 5 obs

○ 2015-07-07 12:39:32
● 2015-11-11 19:34:52
● 2017-12-01 08:35:36
○ 2026-02-20 18:16:48
○ 2026-03-30 00:06:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, f.nic.de, a.nic.de	-

✅ Authoritative Response

Server:194.0.0.53

NS records: z.nic.de, f.nic.de, a.nic.de

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 599ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.40.92.90`

Analysis

IP Addresses

bu-expert.de resolves to one IP number: 188.40.92.90.

other host names including litel.de, ewuertz.de, ucut.de, mecura.de and drinkmaster.de share IP numbers with bu-expert.de.

bu-expert.de - robtex.com

bu-expert.de

de

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

`bu-expert.de`

`de`