`gauss-concept.com`

DNSSEC	⚠️ Not signed
A	81.88.34.146^{🇩🇪 CLOUDPIT81.88.32.0/20}
		PTR	`host225.alfahosting-server.de`
NS	`cns1.alfahosting.info` ⭐
		A	2a01:64c0:0:5000::8^{🇩🇪 CLOUDPIT2a01:64c0::/32}
			PTR	`cns1.cloudpit.de`
		A	109.237.142.8^{🇩🇪 CLOUDPIT109.237.128.0/20}
			PTR	`cns1.cloudpit.de`
NS	`cns2.alfahosting.info`
		A	2a01:4f8:2b02:a88::105^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`cns2.cloudpit.com`
		A	148.251.254.105^{🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2}
			PTR	`cns2.cloudpit.com`
NS	`cns3.alfahosting.info`
		A	2a02:2b80:101:5000::8^{🇩🇪 CLOUDPIT2a02:2b80:101::/48}
			PTR	`cns3.cloudpit.io`
		A	109.237.143.8^{🇩🇪 CLOUDPIT109.237.128.0/20}
			PTR	`cns3.cloudpit.io`
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` ⭐
		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`
SOA	`cns1.alfahosting.info`hostmaster@alfahosting.de 2026-03-07 #2

`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=1778830336

Subdomains

mail.gauss-concept.com

DNS History

8 records (6 active, 2 former)

●NScns1.alfahosting.info2015-08-22 → 2026-05-15 · 2 obs

● 2015-08-22 02:28:44
● 2026-05-15 07:54:52

●NScns2.alfahosting.info2015-08-22 → 2026-05-15 · 2 obs

● 2015-08-22 02:28:44
● 2026-05-15 07:54:52

●NScns3.alfahosting.info2015-08-22 → 2026-05-15 · 2 obs

● 2015-08-22 02:28:44
● 2026-05-15 07:54:52

○MXmail.gauss-concept.com2015-08-22 → 2017-04-24 · 4 obs

● 2015-08-22 02:28:44
● 2017-04-24 00:35:20
○ 2026-05-15 07:54:50
○ 2026-05-15 07:54:52

●MXmx03.secure-mailgate.com2026-05-15 → 2026-05-15 · 3 obs

○ 2017-04-24 00:35:20
● 2026-05-15 07:54:50
● 2026-05-15 07:54:52

●MXmx04.secure-mailgate.com2026-05-15 → 2026-05-15 · 3 obs

○ 2017-04-24 00:35:20
● 2026-05-15 07:54:50
● 2026-05-15 07:54:52

○A109.237.140.442015-08-22 → 2017-04-24 · 4 obs

● 2015-08-22 02:28:44
● 2017-04-24 00:35:20
○ 2026-05-15 07:54:50
○ 2026-05-15 07:54:52

●A81.88.34.1462026-05-15 → 2026-05-15 · 3 obs

○ 2017-04-24 00:35:20
● 2026-05-15 07:54:50
● 2026-05-15 07:54:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
gauss-concept.com	cns3.alfahosting.info, cns2.alfahosting.info, cns1.alfahosting.info	-

✅ Authoritative Response

Server:109.237.142.8

NS records: cns3.alfahosting.info, cns2.alfahosting.info, cns1.alfahosting.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gauss-concept.com (unsigned zone)

⏱️ Timing

Total: 1129ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.88.34.146`
NS	3	`cns2.alfahosting.info, cns1.alfahosting.info...`
MX	2	`mx03.secure-mailgate.com (pri: 10), mx04.secure-mailgate.com (pri: 10)`
SOA	1	`cns1.alfahosting.info hostmaster.alfahos`

Analysis

Hierarchy

gauss-concept.com is a parent of mail.gauss-concept.com.

IP Addresses

gauss-concept.com points to a single IP number: 81.88.34.146.

Other host names, for instance mail.mary-macht-mobil.de, linsert.de, mail.xn--augenarzt-neumnster-jbc.de, websprotte.de and mail.topspintv.de share IP numbers with gauss-concept.com.

Name Servers

The delegation for gauss-concept.com is handled by three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.

gauss-concept.com at least partially shares name servers with other domains, for instance ldw.de, schoenherrconsult.de, (0x736578)drugsblognroll.com, mutberlin.com and berger-studios.com.

Two IP numbers per host:

cns1.alfahosting.info points to 2a01:64c0:0:5000::8 and 109.237.142.8.

cns2.alfahosting.info points to 2a01:4f8:2b02:a88::105 and 148.251.254.105.

cns3.alfahosting.info points to 2a02:2b80:101:5000::8 and 109.237.143.8.

Mail Servers

gauss-concept.com is handled by two mail servers: mx03.secure-mailgate.com and mx04.secure-mailgate.com.

gauss-concept.com uses the same mail server configuration as other domains, such as hhweb.de, 2ra.de, erdwerk-keramik.at, drwb.net and onkologie-salzburg.at.

Host names with two IP numbers: 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.

gauss-concept.com - robtex.com