`usb2sys.de`

DNSSEC	⚠️ Not signed
A	92.205.21.14^{🇫🇷 GODADDY-SXB92.205.0.0/19 GD MASS Network}
		PTR	`14.21.205.92.host.secureserver.net`
NS	`df1.fw-host.net` ⭐
		A	92.205.21.14^{🇫🇷 GODADDY-SXB92.205.0.0/19 GD MASS Network}
			PTR	`14.21.205.92.host.secureserver.net`
NS	`pdns02.domaincontrol.com`
		A	2603:5:22e0::32^{🇺🇸 GODADDY-DNS2603:5:22e0::/44}
			PTR	`pdns02.domaincontrol.com`
		A	173.201.78.50^{🇺🇸 GODADDY-DNS173.201.78.0/23}
			PTR	`pdns02.domaincontrol.com`
MX	`mail.usb2sys.de` ⭐
		A	92.205.21.14^{🇫🇷 GODADDY-SXB92.205.0.0/19 GD MASS Network}
			PTR	`14.21.205.92.host.secureserver.net`
TXT	`v=spf1 include:secureserver.net -all`
SOA	`df1.fw-host.net`noreply@secureserver.net 2025-02-26 #1

`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=1774790116

Subdomains

mail.usb2sys.de

Same first word

usb2sys.de

DNS History

6 records (4 active, 2 former)

●NSdf1.fw-host.net2015-05-26 → 2026-03-29 · 2 obs

● 2015-05-26 19:41:38
● 2026-03-29 13:44:12

○NSns2.hans.hosteurope.de2015-05-26 → 2017-08-09 · 4 obs

● 2015-05-26 19:41:38
● 2017-08-09 12:19:08
○ 2026-02-15 00:45:14
○ 2026-03-29 13:44:12

●NSpdns02.domaincontrol.com2026-02-15 → 2026-03-29 · 3 obs

○ 2017-08-09 12:19:08
● 2026-02-15 00:45:14
● 2026-03-29 13:44:12

●MXmail.usb2sys.de2015-05-26 → 2026-03-29 · 2 obs

● 2015-05-26 19:41:38
● 2026-03-29 13:44:12

●A92.205.21.142026-02-15 → 2026-03-29 · 3 obs

○ 2017-08-09 12:19:08
● 2026-02-15 00:45:14
● 2026-03-29 13:44:12

○A92.51.149.362015-05-26 → 2017-08-09 · 4 obs

● 2015-05-26 19:41:38
● 2017-08-09 12:19:08
○ 2026-02-15 00:45:14
○ 2026-03-29 13:44:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
usb2sys.de	df1.fw-host.net, pdns02.domaincontrol.com	-

✅ Authoritative Response

Server:92.205.21.14

NS records: df1.fw-host.net, pdns02.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usb2sys.de (unsigned zone)

⏱️ Timing

Total: 725ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`92.205.21.14`
NS	2	`df1.fw-host.net, pdns02.domaincontrol.com`
MX	1	`mail.usb2sys.de (pri: 10)`
TXT	1	`v=spf1 include:secureserver.net -all`
SOA	1	`df1.fw-host.net noreply.secureserver.net`

Analysis

Hierarchy

usb2sys.de is the parent of mail.usb2sys.de.

IP Addresses

usb2sys.de points to IP number 92.205.21.14.

For instance, other host names elerc.at, fwrc.eu, mail.helitek.de, mail.rcoutlet.de and mail.rcheli-news.de share IP numbers with usb2sys.de.

Name Servers

usb2sys.de is delegated to two name servers: pdns02.domaincontrol.com and df1.fw-host.net.

usb2sys.de uses the same name server setup as other domains such as flugleiter.net, elerc.ch, seeeyes.eu, exmrc.com and rcoutlet.de.

usb2sys.de shares name servers with other domains at least partially, for example vctv.com, alkemic.com, deerdeerdeer.com, yourconstructionoffice.com and dacianodacosta.com.

These name servers are commonly used with pdns01.domaincontrol.com.

Host names with two IP numbers:

The host name pdns02.domaincontrol.com points to 2603:5:22e0::32 and 173.201.78.50.

Host names with one IP number:

The host name df1.fw-host.net points to 92.205.21.14.

Mail Servers

usb2sys.de is handled by a single mail server, mail.usb2sys.de.

mail.usb2sys.de points to a single IP: 92.205.21.14.

usb2sys.de - robtex.com

usb2sys.de

de