`bert.group`

DNSSEC	⚠️ Not signed
NS	`ns1.arvato-systems.de` ⭐
		A	2a01:4a8:3222:2222::10^{🇩🇪 arvato-systems-AS2a01:4a8::/32 Arvato-Systems-GmbH-IPv6-Route}
		A	84.17.168.69^{🇩🇪 arvato-systems-AS84.17.160.0/20 arvato-systems-NET arvato systems GmbH Reinhard-Mohn-Stra�e 200 33333 Guetersloh Germany}
			PTR	`ns1.arvato-systems.de`
NS	`dns009.arvato-systems.de`
		A	193.189.249.157^{🇩🇪 TDDE-ASN1193.189.224.0/19 Telefonica Germany GmbH & Co. OHG}
			PTR	`dns009.arvato-systems.de`
NS	`dns017.arvato-systems.de`
		A	84.17.190.100^{🇩🇪 arvato-systems-AS84.17.176.0/20 arvato-systems-NET arvato systems GmbH Reinhard-Mohn-Stra�e 200 33333 Guetersloh Germany}
			PTR	`dns017.arvato-systems.de`
NS	`ns2.arvato-systems.de`
		A	2a01:4a8:2222:2222::11^{🇩🇪 arvato-systems-AS2a01:4a8::/32 Arvato-Systems-GmbH-IPv6-Route}
			PTR	`ns2.arvato-systems.de`
		A	109.235.143.148^{🇩🇪 arvato-systems-AS109.235.140.0/22 arvato-systems-NET arvato systems GmbH An der Autobahn 200 33333 Guetersloh Germany}
			PTR	`ns2.arvato-systems.de`
MX	`bert-group.mail.protection.outlook.com` ⭐
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
TXT	`4v3hyf6h1w91c3f5rhv8c61yjn1ckvpx`
TXT	`23fq6cshg0kncfh2r1f886xrtrhsm0ts`
TXT	`20772x5fkv07bn5zqddqr3mghfnkvnw6`
TXT	`67xr6bj4283k70jywv34q1mx08mfw4f0`
TXT	`wmgwz5jvpn04m3x12cy39dtkf0n6r775`
TXT	`thp4yjxkfs5zj24zzrrtvfg8yvz4dw35`
TXT	`m5gv76bzzk710fbmy2lvjpm4833rtcmb`
TXT	`yy6z4m1wlm2xg2yrtxxf8l6hxl4jv4j6`
SOA	`ns1.arvato-systems.de`hostmaster@bnic.bertelsmann.de 2026-05-08 #0

`group`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.group` ⭐
	NS	`v0n1.nic.group`
	NS	`v0n2.nic.group`
	NS	`v0n3.nic.group`
	NS	`v2n0.nic.group`
	NS	`v2n1.nic.group`
	SOA	`v0n0.nic.group`hostmaster@donuts.email serial=1778333801

Subdomains

stsbroker.bert.group

Same first word

bert.amsterdam

bert.cn

bert.dk

bert.at

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bert.net

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Similar names

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rbte.org

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ebtr.xyz

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brte.top

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treb.me

betr.online

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brte.ru

retb.fr

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rebt.cn

betr.de

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bret.co

rteb.com

tber.hu

trbe.cz

terb.net

bret.ca

terb.de

rebt.org

retb.ru

rebt.co.uk

terb.online

betr.life

ertb.com

betr.eu

DNS History

7 records (5 active, 2 former)

●NSdns009.arvato-systems.de2016-12-10 → 2026-05-09 · 2 obs

● 2016-12-10 18:00:36
● 2026-05-09 14:10:40

●NSdns017.arvato-systems.de2016-12-10 → 2026-05-09 · 2 obs

● 2016-12-10 18:00:36
● 2026-05-09 14:10:40

●NSns1.arvato-systems.de2016-12-10 → 2026-05-09 · 6 obs

● 2016-12-10 18:00:36
● 2017-01-24 08:57:22
○ 2017-10-08 07:21:56
○ 2017-10-21 04:25:42
● 2018-09-16 12:02:26
● 2026-05-09 14:10:40

●NSns2.arvato-systems.de2016-12-10 → 2026-05-09 · 7 obs

● 2016-12-10 18:00:36
○ 2017-01-24 08:57:22
● 2017-10-08 07:21:56
● 2017-10-21 04:25:42
○ 2018-09-16 12:02:26
● 2018-11-08 12:21:44
● 2026-05-09 14:10:40

●MXbert-group.mail.protection.outlook.com2026-02-25 → 2026-05-09 · 3 obs

○ 2018-11-08 12:21:44
● 2026-02-25 18:15:26
● 2026-05-09 14:10:40

○MXmx1.mail.arvato-systems.de2016-12-10 → 2018-11-08 · 4 obs

● 2016-12-10 18:00:36
● 2018-11-08 12:21:44
○ 2026-02-25 18:15:26
○ 2026-05-09 14:10:40

○MXmx2.mail.arvato-systems.de2016-12-10 → 2018-11-08 · 4 obs

● 2016-12-10 18:00:36
● 2018-11-08 12:21:44
○ 2026-02-25 18:15:26
○ 2026-05-09 14:10:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
group	v0n0.nic.group, v0n1.nic.group, v0n2.nic.group, v0n3.nic.group...	12 records
bert.group	ns1.arvato-systems.de, ns2.arvato-systems.de, dns009.arvato-systems.de, dns017.arvato-systems.de	-

✅ Authoritative Response

Server:84.17.168.69

NS records: ns1.arvato-systems.de, ns2.arvato-systems.de, dns009.arvato-systems.de, dns017.arvato-systems.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bert.group (unsigned zone)

⏱️ Timing

Total: 1059ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`dns009.arvato-systems.de, ns2.arvato-systems.de...`
MX	1	`bert-group.mail.protection.outlook.com (`
TXT	8	`thp4yjxkfs5zj24zzrrtvfg8yvz4dw35, 4v3hyf6h1w91c3f5rhv8c61yjn1ckvpx...`
SOA	1	`ns1.arvato-systems.de hostmaster.bnic.be`