`biber-holding.com`

DNSSEC	⚠️ Not signed
A	2a03:4000:61:88fd::20:3344^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
A	202.61.232.124^{🇩🇪 netcup-AS202.61.232.0/24}
NS	`root-dns.netcup.net` ⭐
		A	2a03:4000:0:1::e1e1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`root-dns.netcup.net`
		A	46.38.225.225^{🇩🇪 netcup-AS46.38.225.0/24}
			PTR	`root-dns.netcup.net`
NS	`second-dns.netcup.net`
		A	2a03:4000:2:24b::c7c7^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`second-dns.netcup.net`
		A	37.221.199.199^{🇩🇪 netcup-AS37.221.196.0/22}
			PTR	`second-dns.netcup.net`
NS	`third-dns.netcup.net`
		A	2a03:4001:0:106::3f44^{🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
		A	188.68.63.68^{🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
MX	`biberholding-com01c.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2024-06-05 #17

`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=1774664172

Same first word

biber-holding.com

DNS History

12 records (6 active, 6 former)

○NSdocks14.rzone.de2016-12-16 → 2017-10-15 · 4 obs

● 2016-12-16 22:26:20
● 2017-10-15 12:18:34
○ 2026-03-08 20:43:40
○ 2026-03-28 02:23:34

●NSroot-dns.netcup.net2026-03-08 → 2026-03-28 · 3 obs

○ 2017-10-15 12:18:34
● 2026-03-08 20:43:40
● 2026-03-28 02:23:34

●NSsecond-dns.netcup.net2026-03-08 → 2026-03-28 · 3 obs

○ 2017-10-15 12:18:34
● 2026-03-08 20:43:40
● 2026-03-28 02:23:34

○NSshades08.rzone.de2016-12-16 → 2017-10-15 · 4 obs

● 2016-12-16 22:26:20
● 2017-10-15 12:18:34
○ 2026-03-08 20:43:40
○ 2026-03-28 02:23:34

●NSthird-dns.netcup.net2026-03-08 → 2026-03-28 · 3 obs

○ 2017-10-15 12:18:34
● 2026-03-08 20:43:40
● 2026-03-28 02:23:34

●MXbiberholding-com01c.mail.protection.outlook.com2026-03-08 → 2026-03-28 · 3 obs

○ 2017-10-15 12:18:34
● 2026-03-08 20:43:40
● 2026-03-28 02:23:34

○MXsmtp.rzone.de2016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 22:26:20
○ 2017-10-15 12:18:34
○ 2026-03-28 02:23:34

○MXsmtpin.rzone.de2017-10-15 → 2017-10-15 · 4 obs

○ 2016-12-16 22:26:20
● 2017-10-15 12:18:34
○ 2026-03-08 20:43:40
○ 2026-03-28 02:23:34

●A202.61.232.1242026-03-08 → 2026-03-28 · 3 obs

○ 2017-10-15 12:18:34
● 2026-03-08 20:43:40
● 2026-03-28 02:23:34

○A2a01:238:20a:202:1159::2016-12-16 → 2017-10-15 · 4 obs

● 2016-12-16 22:26:20
● 2017-10-15 12:18:34
○ 2026-03-08 20:43:40
○ 2026-03-28 02:23:34

●A2a03:4000:61:88fd::20:33442026-03-08 → 2026-03-28 · 3 obs

○ 2017-10-15 12:18:34
● 2026-03-08 20:43:40
● 2026-03-28 02:23:34

○A81.169.145.1592016-12-16 → 2017-10-15 · 4 obs

● 2016-12-16 22:26:20
● 2017-10-15 12:18:34
○ 2026-03-08 20:43:40
○ 2026-03-28 02:23:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...	-
biber-holding.com	root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:37.221.199.199

NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biber-holding.com (unsigned zone)

⏱️ Timing

Total: 802ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.61.232.124`
AAAA	1	`2a03:4000:61:88fd::20:3344`
NS	3	`root-dns.netcup.net, second-dns.netcup.net...`
MX	1	`biberholding-com01c.mail.protection.outl`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

IP Addresses

biber-holding.com points to two IP numbers: 2a03:4000:61:88fd::20:3344 and 202.61.232.124.

Other host names such as mx2.3ns.de, mcbrand.de, michaelbaur.de, cobock.de and harburg21.de share IP numbers with biber-holding.com.

Name Servers

biber-holding.com is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

At least part of the name servers for biber-holding.com are shared with other domains, for instance massage-am-berg.at, xn--pfadfinder-frth-bwb.de, polizeiberichte-berlin.de, volker-pape.de and df1hpk.de.

Host names with two IP numbers:

root-dns.netcup.net points to 2a03:4000:0:1::e1e1 and 46.38.225.225

second-dns.netcup.net points to 2a03:4000:2:24b::c7c7 and 37.221.199.199

third-dns.netcup.net points to 2a03:4001:0:106::3f44 and 188.68.63.68

Mail Servers

The mail server for biber-holding.com is biberholding-com01c.mail.protection.outlook.com.

biberholding-com01c.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::6, 2a01:111:f403:ca04::a, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::b, 52.101.68.3, 52.101.73.4, 52.101.73.6 and 52.101.73.153.

biber-holding.com - robtex.com