`markrobinsontraining.com`

DNSSEC	⚠️ Not signed
A	2a02:cec0:10:13c::1^{🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing}
		PTR	`mail.123-hosting-server.biz`
A	83.172.182.47^{🇳🇱 NEDZONE-AS83.172.180.0/22 ISE routing}
NS	`ns1.123-hosting-server.biz` ⭐
		A	2a02:cec0:10:13c::1^{🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing}
			PTR	`mail.123-hosting-server.biz`
		A	83.172.182.47^{🇳🇱 NEDZONE-AS83.172.180.0/22 ISE routing}
			PTR	`mail.123-hosting-server.biz`
NS	`ns2.123-hosting-server.biz`
		A	2a02:cec0:10:13c::2^{🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing}
			PTR	`mail.123-hosting-server.biz`
		A	83.172.183.47^{🇳🇱 NEDZONE-AS83.172.180.0/22 ISE routing}
			PTR	`mail.123-hosting-server.biz`
MX	`mail.markrobinsontraining.com` ⭐
		A	2a02:cec0:10:13c::1^{🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing}
			PTR	`mail.123-hosting-server.biz`
		A	83.172.182.47^{🇳🇱 NEDZONE-AS83.172.180.0/22 ISE routing}
			PTR	`mail.123-hosting-server.biz`
TXT	`google-site-verification=PnO0TXm1QiBCwsjWaGaOodQtcUxvUxU5q6dFmy-0b_o`
SOA	`ns1.123-hosting-server.biz`hostmaster@markrobinsontraining.com 2026-01-22 #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=1774589672

Subdomains

www.markrobinsontraining.com

mail.markrobinsontraining.com

Same first word

markrobinsontraining.com

DNS History

6 records (5 active, 1 former)

●NSns1.123-hosting-server.biz2017-05-09 → 2026-03-27 · 2 obs

● 2017-05-09 13:13:58
● 2026-03-27 05:45:58

●NSns2.123-hosting-server.biz2017-05-09 → 2026-03-27 · 2 obs

● 2017-05-09 13:13:58
● 2026-03-27 05:45:58

●MXmail.markrobinsontraining.com2017-05-09 → 2026-03-27 · 2 obs

● 2017-05-09 13:13:58
● 2026-03-27 05:45:58

●A2a02:cec0:10:13c::12026-02-16 → 2026-03-27 · 3 obs

○ 2017-05-09 13:13:58
● 2026-02-16 01:21:06
● 2026-03-27 05:45:58

○A83.172.181.1052017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 13:13:58
○ 2026-02-16 01:21:06
○ 2026-03-27 05:45:58

●A83.172.182.472026-02-16 → 2026-03-27 · 3 obs

○ 2017-05-09 13:13:58
● 2026-02-16 01:21:06
● 2026-03-27 05:45:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...	-
markrobinsontraining.com	ns1.123-hosting-server.biz, ns2.123-hosting-server.biz	-

✅ Authoritative Response

Server:83.172.183.47

NS records: ns1.123-hosting-server.biz, ns2.123-hosting-server.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for markrobinsontraining.com (unsigned zone)

⏱️ Timing

Total: 584ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`83.172.182.47`
AAAA	1	`2a02:cec0:10:13c::1`
NS	2	`ns2.123-hosting-server.biz, ns1.123-hosting-server.biz`
MX	1	`mail.markrobinsontraining.com (pri: 10)`
TXT	1	`google-site-verification=PnO0TXm1QiBCwsj`
SOA	1	`ns1.123-hosting-server.biz hostmaster.ma`

Analysis

Hierarchy

markrobinsontraining.com is a parent of www.markrobinsontraining.com and mail.markrobinsontraining.com.

IP Addresses

The entity markrobinsontraining.com points to two IP numbers: 2a02:cec0:10:13c::1 and 83.172.182.47.

For instance, other host names mail.kkmedical.com, a2zorg.com, mail.humaniora.nl, lilitu.net and mail.ternova.nl share IP numbers with markrobinsontraining.com.

Name Servers

markrobinsontraining.com is delegated to two name servers: ns1.123-hosting-server.biz and ns2.123-hosting-server.biz.

markrobinsontraining.com uses the same name server setup as other domains such as mvintertrade.com, starlightvoyager.com, lagotterie.nl, ziehier.nu and ingesnelders.com.

Host names with two IP numbers:

ns1.123-hosting-server.biz points to 2a02:cec0:10:13c::1 and 83.172.182.47; ns2.123-hosting-server.biz points to 2a02:cec0:10:13c::2 and 83.172.183.47.

Mail Servers

markrobinsontraining.com is handled by a single mail server, mail.markrobinsontraining.com.

mail.markrobinsontraining.com resolves to two IPs: 2a02:cec0:10:13c::1 and 83.172.182.47.

markrobinsontraining.com - robtex.com