`mtb-marathon.com`

DNSSEC	⚠️ Not signed
A	95.173.103.14^{🇩🇪 SPEEDBONE-AS95.173.96.0/19 Speedbone Internet & Connectivity GmbH}
		PTR	`p14.prosite.de`
NS	`ns11.prosite.de` ⭐
		A	2a02:8b8:704::3011^{🇩🇪 SPEEDBONE-AS2a02:8b8::/32 IPv6}
		A	217.13.192.2^{🇩🇪 SPEEDBONE-AS217.13.192.0/20 SPEEDBONE GmbH}
			PTR	`ns11.prosite.de`
NS	`ns12.prosite.de`
		A	2a02:8b8:704::3012^{🇩🇪 SPEEDBONE-AS2a02:8b8::/32 IPv6}
		A	217.13.193.2^{🇩🇪 SPEEDBONE-AS217.13.192.0/20 SPEEDBONE GmbH}
			PTR	`ns12.prosite.de`
MX	`mx.worldserver.net` ⭐
		A	217.13.200.138^{🇩🇪 SPEEDBONE-AS217.13.192.0/20 SPEEDBONE GmbH}
			PTR	`mx.worldserver.net`
TXT	`v=spf1 include:_spf.prosite.de ~all`
SOA	`ns11.prosite.de`hostmaster@mtb-marathon.com 2026-07-16 #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=1784273282

Subdomains

mx2.mtb-marathon.com

Same first word

mtb-marathon.info

DNS History

8 records (4 active, 4 former)

●NSns11.prosite.de2015-07-07 → 2026-07-17 · 2 obs

● 2015-07-07 09:50:18
● 2026-07-17 07:52:14

●NSns12.prosite.de2015-07-07 → 2026-07-17 · 2 obs

● 2015-07-07 09:50:18
● 2026-07-17 07:52:14

○MXmx.10.worldserver.net2015-07-07 → 2017-01-21 · 4 obs

● 2015-07-07 09:50:18
● 2017-01-21 07:26:32
○ 2020-01-04 09:10:56
○ 2026-07-17 07:52:14

○MXmx.20.worldserver.net2015-07-07 → 2020-01-04 · 3 obs

● 2015-07-07 09:50:18
● 2020-01-04 09:10:56
○ 2026-07-17 07:52:14

●MXmx.worldserver.net2026-07-17 → 2026-07-17 · 2 obs

○ 2020-01-04 09:10:56
● 2026-07-17 07:52:14

○MXmx1.worldserver.net2020-01-04 → 2020-01-04 · 3 obs

○ 2017-01-21 07:26:32
● 2020-01-04 09:10:56
○ 2026-07-17 07:52:14

○A217.13.199.292015-07-07 → 2020-01-04 · 3 obs

● 2015-07-07 09:50:18
● 2020-01-04 09:10:56
○ 2026-07-17 07:52:14

●A95.173.103.142026-07-17 → 2026-07-17 · 2 obs

○ 2020-01-04 09:10:56
● 2026-07-17 07:52:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mtb-marathon.com	ns11.prosite.de, ns12.prosite.de	-

✅ Authoritative Response

Server:217.13.193.2

NS records: ns11.prosite.de, ns12.prosite.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mtb-marathon.com (unsigned zone)

⏱️ Timing

Total: 516ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`95.173.103.14`
NS	2	`ns12.prosite.de, ns11.prosite.de`
MX	1	`mx.worldserver.net (pri: 0)`
TXT	1	`v=spf1 include:_spf.prosite.de ~all`
SOA	1	`ns11.prosite.de hostmaster.mtb-marathon.`

Analysis

Hierarchy

mtb-marathon.com serves as the parent of mx2.mtb-marathon.com.

IP Addresses

mtb-marathon.com resolves to just one IP address, 95.173.103.14.

Two other host names, along with st-thomas-gymnasium.de, home-events.de and eisenbahnclub-heilbronn.de, also share IP numbers with mtb-marathon.com.

Name Servers

DNS delegation for mtb-marathon.com points to two name servers: ns11.prosite.de and ns12.prosite.de.

mtb-marathon.com shares its NS records with other domains, for example chemdidakt.de, immobilien-in-aachen.de, 12domain.de and two others.

mtb-marathon.com has at least partial name server overlap with other domains, such as locktec.org, geoeltemoebel.de, xn--jelngerjelieber-2kb.org and two others.

It is common to see these name servers used together with name servers ns11.worldserver.net and ns12.worldserver.net.

ns11.prosite.de directs to 217.13.192.2 and 2a02:8b8:704::3011. ns12.prosite.de directs to 217.13.193.2 and 2a02:8b8:704::3012. Each host name carries two IP addresses.

Mail Servers

The sole mail server for mtb-marathon.com is mx.worldserver.net.

Among the domains sharing a mail server setup with mtb-marathon.com are griesfeller.de, ducdn.de, 67startups.de and two others.

There is at least a partial MX overlap between mtb-marathon.com and other domains, including rod.de, ferienwohnungen-buchen.com, pendular.net and two others.

These mail servers tend to be used in combination with the mail servers mx.20.worldserver.net and mx2.worldserver.net.

mx.worldserver.net has exactly one IP number: 217.13.200.138.

mtb-marathon.com - robtex.com

mtb-marathon.com

com