`mentaltraining.lu`

DNSSEC	⚠️ Not signed
A	93.191.48.166^{🇩🇪 NETBUILD-AS93.191.48.0/21 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
		PTR	`linux40.christo.net`
NS	`ns10.bytes24.de` ⭐
		A	185.146.236.162^{🇩🇪 NETBUILD-AS185.146.236.0/22 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
			PTR	`ns10.bytes24.de`
NS	`ns11.bytes24.de`
		A	93.191.48.163^{🇩🇪 NETBUILD-AS93.191.48.0/21 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
			PTR	`linux20.christo.net`
MX	`mx171.christo.net` ⭐
		A	93.191.48.164^{🇩🇪 NETBUILD-AS93.191.48.0/21 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
			PTR	`mx171.christo.net`
MX	`mxb171.christo.net`⁽²⁰⁾
		A	93.191.48.164^{🇩🇪 NETBUILD-AS93.191.48.0/21 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany}
			PTR	`mx171.christo.net`
TXT	`v=spf1 include:spf.christo.net ip4:88.198.226.20 ip4:78.46.252.58 ip4:78.46.2...`
SOA	`ns10.bytes24.de`postmaster@mentaltraining.lu 2025-03-21 #1

`lu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.lu` ⭐
	NS	`g.dns.lu`
	NS	`i.dns.lu`
	NS	`j.dns.lu`
	NS	`k.dns.lu`
	NS	`p.dns.lu`
	TXT	`Exported: 2026-03-31 02:01:01`
	SOA	`ns1.dns.lu`noc@restena.lu serial=1774915272

Same first word

mentaltraining.com

mentaltraining.lu

mentaltraining.org

DNS History

6 records (5 active, 1 former)

●NSns10.bytes24.de2019-03-12 → 2026-03-31 · 2 obs

● 2019-03-12 10:42:28
● 2026-03-31 00:33:38

●NSns11.bytes24.de2019-03-12 → 2026-03-31 · 2 obs

● 2019-03-12 10:42:28
● 2026-03-31 00:33:38

●MXmx171.christo.net2019-03-12 → 2026-03-31 · 2 obs

● 2019-03-12 10:42:28
● 2026-03-31 00:33:38

●MXmxb171.christo.net2019-03-12 → 2026-03-31 · 2 obs

● 2019-03-12 10:42:28
● 2026-03-31 00:33:38

○A78.46.212.1462019-03-12 → 2019-03-12 · 3 obs

● 2019-03-12 10:42:28
○ 2026-03-13 06:35:54
○ 2026-03-31 00:33:38

●A93.191.48.1662026-03-13 → 2026-03-31 · 3 obs

○ 2019-03-12 10:42:28
● 2026-03-13 06:35:54
● 2026-03-31 00:33:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	g.dns.lu, i.dns.lu, j.dns.lu, k.dns.lu...	12 records
mentaltraining.lu	ns10.bytes24.de, ns11.bytes24.de	-

✅ Authoritative Response

Server:185.146.236.162

NS records: ns10.bytes24.de, ns11.bytes24.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mentaltraining.lu (unsigned zone)

⏱️ Timing

Total: 1307ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.191.48.166`
NS	2	`ns11.bytes24.de, ns10.bytes24.de`
MX	2	`mx171.christo.net (pri: 10), mxb171.christo.net (pri: 20)`
TXT	1	`v=spf1 include:spf.christo.net ip4:88.19`
SOA	1	`ns10.bytes24.de postmaster.mentaltrainin`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (g.dns.lu, g.dns.lu, i.dns.lu...)

Analysis

IP Addresses

mentaltraining.lu points to a single IP number: 93.191.48.166.

other host names for instance xn--altlbtau-14-ufb.de, boern.org, bitburger-naturhaeuser.de, clipso.info and mybelz.de share IP numbers with mentaltraining.lu.

Name Servers

mentaltraining.lu is delegated to two name servers: ns10.bytes24.de and ns11.bytes24.de.

mentaltraining.lu shares the same name server setup as other domains, for example bioleder.de, la-delphina.de, tuchspanndecke.eu, linstaedter.de and altfunnix.de.

Host names with one IP number:

The host ns10.bytes24.de points to 185.146.236.162 and the host ns11.bytes24.de points to 93.191.48.163.

Mail Servers

mentaltraining.lu is handled by two mail servers: mx171.christo.net and mxb171.christo.net.

mentaltraining.lu shares the same mail server setup as other domains, for instance radarfix.de, mailmatrix.de, dieter-spanndecken.de, cimotec.de and maync.de.

mentaltraining.lu shares at least partially some mail servers with other domains, for instance hase.it, hase.lu and thermografie.lu.

Host names with a single IP number:

mx171.christo.net points to 93.191.48.164 and mxb171.christo.net points to 93.191.48.164.

Host names that point to 93.191.48.164: mx171.christo.net and mxb171.christo.net.

mentaltraining.lu - robtex.com