`leibnizgroup.com`

DNSSEC	⚠️ Not signed
A	91.203.110.218^{🇩🇪 CLOUDPIT91.203.108.0/22}
		PTR	`host218.checkdomain.de`
NS	`ns2.checkdomain.de` ⭐
		A	2a01:4f8:2b02:a88::106^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns2.checkdomain.de`
		A	5.9.190.98^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
			PTR	`ns2.checkdomain.de`
NS	`ns.checkdomain.de`
		A	2a02:2b80:101:5000::9^{🇩🇪 CLOUDPIT2a02:2b80:101::/48}
		A	109.237.143.11^{🇩🇪 CLOUDPIT109.237.128.0/20}
			PTR	`ns1.checkdomain.de`
MX	`mx03.secure-mailgate.com` ⭐
		A	46.243.88.174^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node03.secure-mailgate.com`
		A	46.243.88.176^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node04.secure-mailgate.com`
MX	`mx04.secure-mailgate.com`⁽²⁰⁾
		A	46.243.88.175^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node03.secure-mailgate.com`
		A	46.243.88.177^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node04.secure-mailgate.com`
TXT	`brevo-code:c1bbb2f99f79dd98c4b3667811d58a6c`
TXT	`v=spf1 include:secure-mailgate.com ?all`
SOA	`ns.checkdomain.de`hostmaster@checkdomain.de 2026-03-14 #1

`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=1776141267

Same first word

leibnizgroup.com

DNS History

9 records (5 active, 4 former)

●NSns.checkdomain.de2016-12-14 → 2026-04-14 · 2 obs

● 2016-12-14 12:24:06
● 2026-04-14 04:39:52

●NSns2.checkdomain.de2016-12-14 → 2026-04-14 · 2 obs

● 2016-12-14 12:24:06
● 2026-04-14 04:39:52

○MXmailproxy.leibnizgroup.com2016-12-14 → 2017-09-18 · 4 obs

● 2016-12-14 12:24:06
● 2017-09-18 19:39:58
○ 2026-03-13 10:43:50
○ 2026-04-14 04:39:52

○MXmailproxy2.leibnizgroup.com2016-12-14 → 2017-09-18 · 4 obs

● 2016-12-14 12:24:06
● 2017-09-18 19:39:58
○ 2026-03-13 10:43:50
○ 2026-04-14 04:39:52

●MXmx03.secure-mailgate.com2026-03-13 → 2026-04-14 · 3 obs

○ 2017-09-18 19:39:58
● 2026-03-13 10:43:50
● 2026-04-14 04:39:52

●MXmx04.secure-mailgate.com2026-03-13 → 2026-04-14 · 3 obs

○ 2017-09-18 19:39:58
● 2026-03-13 10:43:50
● 2026-04-14 04:39:52

○A176.9.145.1202016-12-14 → 2017-09-18 · 4 obs

● 2016-12-14 12:24:06
● 2017-09-18 19:39:58
○ 2026-03-13 10:43:50
○ 2026-04-14 04:39:52

○A2a01:4f8:160:2362:59e3:eddf:e856:1162016-12-14 → 2017-09-18 · 4 obs

● 2016-12-14 12:24:06
● 2017-09-18 19:39:58
○ 2026-03-13 10:43:50
○ 2026-04-14 04:39:52

●A91.203.110.2182026-03-13 → 2026-04-14 · 3 obs

○ 2017-09-18 19:39:58
● 2026-03-13 10:43:50
● 2026-04-14 04:39:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
leibnizgroup.com	ns.checkdomain.de, ns2.checkdomain.de	-

✅ Authoritative Response

Server:109.237.143.11

NS records: ns.checkdomain.de, ns2.checkdomain.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leibnizgroup.com (unsigned zone)

⏱️ Timing

Total: 591ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.203.110.218`
NS	2	`ns2.checkdomain.de, ns.checkdomain.de`
MX	2	`mx04.secure-mailgate.com (pri: 20), mx03.secure-mailgate.com (pri: 10)`
TXT	2	`brevo-code:c1bbb2f99f79dd98c4b3667811d58, v=spf1 include:secure-mailgate.com ?all`
SOA	1	`ns.checkdomain.de hostmaster.checkdomain`

Analysis

IP Addresses

leibnizgroup.com resolves to one IP number: 91.203.110.218.

Other host names, for instance klangkunsttrier.de, thorst.de, dilanmakeup.com, www.exs.de and iuwood.de share IP numbers with leibnizgroup.com.

Name Servers

leibnizgroup.com's delegation uses two name servers: ns2.checkdomain.de and ns.checkdomain.de.

leibnizgroup.com uses the same name server setup as other domains, such as mercedesstrasse.com, emi-grant.de, triplicator.biz, 3dup.app and ergoarm.de.

Host names with two IPs:

ns2.checkdomain.de points to 2a01:4f8:2b02:a88::106 and 5.9.190.98

ns.checkdomain.de points to 2a02:2b80:101:5000::9 and 109.237.143.11

Mail Servers

leibnizgroup.com is served by two mail servers mx03.secure-mailgate.com and mx04.secure-mailgate.com.

leibnizgroup.com shares the same mail server setup as other domains, for instance gamereviewdatabase.de, next-generation-outsourcing.de, olimax.de, jarkkonieminenareena.fi and alkanveranda.de.

leibnizgroup.com shares some mail servers with other domains, at least in part; for example airlounge.de and ahrbeats.de.

Host names with two IPs:

mx03.secure-mailgate.com points to 46.243.88.174 and 46.243.88.176

mx04.secure-mailgate.com points to 46.243.88.175 and 46.243.88.177

leibnizgroup.com - robtex.com