`auerbach-office.de`

DNSSEC	⚠️ Not signed
A	130.255.79.206^{🇩🇪 AS29141130.255.72.0/21}
		PTR	`s2.rotzek.de`
NS	`dns1.rotzek.de` ⭐
		A	2001:8d8:fe:53:217:160:80:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
		A	217.160.80.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
NS	`dns2.rotzek.de`
		A	2001:8d8:fe:53:217:160:81:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
		A	217.160.81.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
NS	`dns3.rotzek.de`
		A	2607:f1c0:fe:53:185:132:35:161^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		A	185.132.35.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
NS	`dns4.rotzek.de`
		A	2607:f1c0:fe:53:185:132:34:161^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		A	185.132.34.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
MX	`mail.auerbach-office.de` ⭐
		A	130.255.79.206^{🇩🇪 AS29141130.255.72.0/21}
			PTR	`s2.rotzek.de`
TXT	`v=spf1 a ~all`
SOA	`dns1.rotzek.de`info@rotzek.de 2023-05-04 #0

`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=1776889214

Subdomains

mail.auerbach-office.de

Same first word

auerbach-office.de

DNS History

10 records (6 active, 4 former)

●NSdns1.rotzek.de2026-02-25 → 2026-04-22 · 3 obs

○ 2017-04-19 22:00:42
● 2026-02-25 23:19:56
● 2026-04-22 20:49:28

●NSdns2.rotzek.de2026-02-25 → 2026-04-22 · 3 obs

○ 2017-04-19 22:00:42
● 2026-02-25 23:19:56
● 2026-04-22 20:49:28

●NSdns3.rotzek.de2026-02-25 → 2026-04-22 · 3 obs

○ 2017-04-19 22:00:42
● 2026-02-25 23:19:56
● 2026-04-22 20:49:28

●NSdns4.rotzek.de2026-02-25 → 2026-04-22 · 3 obs

○ 2017-04-19 22:00:42
● 2026-02-25 23:19:56
● 2026-04-22 20:49:28

○NSns1.rotzek.de2015-08-07 → 2017-04-19 · 4 obs

● 2015-08-07 02:16:26
● 2017-04-19 22:00:42
○ 2026-02-25 23:19:56
○ 2026-04-22 20:49:28

○NSns2.rotzek.de2015-08-07 → 2017-04-19 · 4 obs

● 2015-08-07 02:16:26
● 2017-04-19 22:00:42
○ 2026-02-25 23:19:56
○ 2026-04-22 20:49:28

○NSns3.rotzek.de2015-08-07 → 2017-04-19 · 4 obs

● 2015-08-07 02:16:26
● 2017-04-19 22:00:42
○ 2026-02-25 23:19:56
○ 2026-04-22 20:49:28

●MXmail.auerbach-office.de2015-08-07 → 2026-04-22 · 2 obs

● 2015-08-07 02:16:26
● 2026-04-22 20:49:28

●A130.255.79.2062026-02-25 → 2026-04-22 · 3 obs

○ 2017-04-19 22:00:42
● 2026-02-25 23:19:56
● 2026-04-22 20:49:28

○A89.191.65.1232015-08-07 → 2017-04-19 · 4 obs

● 2015-08-07 02:16:26
● 2017-04-19 22:00:42
○ 2026-02-25 23:19:56
○ 2026-04-22 20:49:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
auerbach-office.de	dns1.rotzek.de, dns2.rotzek.de, dns3.rotzek.de, dns4.rotzek.de	8 records

✅ Authoritative Response

Server:74.208.254.4

NS records: dns1.rotzek.de, dns2.rotzek.de, dns3.rotzek.de, dns4.rotzek.de

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at de: Error: DNS query timeout: 194.246.96.1 for DNSKEY de

⏱️ Timing

Total: 5976ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`130.255.79.206`
NS	4	`dns1.rotzek.de, dns2.rotzek.de...`
MX	1	`mail.auerbach-office.de (pri: 10)`
TXT	1	`v=spf1 a ~all`
SOA	1	`dns1.rotzek.de info.rotzek.de`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (dns1.rotzek.de, dns1.rotzek.de, dns2.rotzek.de...)

Analysis

Hierarchy

auerbach-office.de is parent of mail.auerbach-office.de.

IP Addresses

auerbach-office.de points to a single IP: 130.255.79.206.

Other host names, for instance zweit-pc.de, ns2.rotzek.de, mail.diepraxisfamily.de, praxis-roethke.de and www.die-praxis-bamberg.de share IP numbers with auerbach-office.de.

Name Servers

auerbach-office.de is delegated to four name servers: dns1.rotzek.de, dns2.rotzek.de, dns3.rotzek.de and dns4.rotzek.de.

auerbach-office.de at least partially shares its name servers with other domains, for instance pfistert-architektur.de, neugeistchrist.at, kindec.de, makon.biz and xn--blockhtte-v9a.de.

Host names with two IPs: dns1.rotzek.de points to 2001:8d8:fe:53:217:160:80:161 and 217.160.80.161; dns2.rotzek.de points to 2001:8d8:fe:53:217:160:81:161 and 217.160.81.161; dns3.rotzek.de points to 2607:f1c0:fe:53:185:132:35:161 and 185.132.35.161; dns4.rotzek.de points to 2607:f1c0:fe:53:185:132:34:161 and 185.132.34.161.

Mail Servers

auerbach-office.de is served by a single mail server, mail.auerbach-office.de.

mail.auerbach-office.de points to IP number 130.255.79.206.

auerbach-office.de - robtex.com