`dmt-worldwide.com`

DNSSEC	⚠️ Not signed
A	81.12.149.106^{🇷🇴 Vodafone_Ro81.12.144.0/21 Vodafone RO}
		PTR	`smtp.dmt-worldwide.com`
NS	`ns3.combell.net` ⭐
		A	2a00:1c98::53:1^{🇧🇪 COMBELL-AS2a00:1c98::/32 COMBELL Network}
			PTR	`ns3.combell.net`
		A	83.217.73.172^{🇧🇪 COMBELL-AS83.217.64.0/19 Combell Network}
			PTR	`ns3.combell.net`
NS	`ns1.combell.eu` ⚠️ Not in parent delegation
		A	2a00:1c98:50::50^{🇧🇪 COMBELL-AS2a00:1c98:50::/44}
		A	89.44.166.48^{🇧🇪 COMBELL-AS89.44.166.0/23 Combell Network}
			PTR	`89.44.166.48.static.hosted.by.combell-ops.net`
NS	`ns4.combell.net`
		A	2001:1598:0:101::3^{🇧🇪 EASYHOST-COLO-AS2001:1598::/32 Easyhost Network}
			PTR	`ns4.combell.net`
		A	86.39.202.67^{🇧🇪 EASYHOST-COLO-AS86.39.128.0/17 Easyhost Network}
			PTR	`ns4.combell.net`
MX	`mail.dmt-worldwide.com` ⭐
		A	81.12.149.106^{🇷🇴 Vodafone_Ro81.12.144.0/21 Vodafone RO}
			PTR	`smtp.dmt-worldwide.com`
MX	`smtp.dmt-worldwide.com`⁽³⁰⁾
		A	81.12.149.106^{🇷🇴 Vodafone_Ro81.12.144.0/21 Vodafone RO}
			PTR	`smtp.dmt-worldwide.com`
TXT	`v=spf1 a mx ip4:81.12.149.106 mx:mail.dmt-worldwide.com -all`
TXT	`v=DMARC1; p=reject; rua=mailto:postmaster@your_domain.com, mailto:dmarc@dmt-w...`
SOA	`ns3.combell.net`hostmaster@dmt-worldwide.com serial=1669488863

`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=1778694006

Subdomains

smtp.dmt-worldwide.com

mail.dmt-worldwide.com

Same first word

dmt-worldwide.com

DNS History

9 records (6 active, 3 former)

●NSns1.combell.eu2026-02-15 → 2026-05-13 · 3 obs

○ 2017-08-17 15:40:00
● 2026-02-15 01:15:34
● 2026-05-13 18:05:58

●NSns3.combell.net2026-02-15 → 2026-05-13 · 3 obs

○ 2017-08-17 15:40:00
● 2026-02-15 01:15:34
● 2026-05-13 18:05:58

●NSns4.combell.net2026-02-15 → 2026-05-13 · 3 obs

○ 2017-08-17 15:40:00
● 2026-02-15 01:15:34
● 2026-05-13 18:05:58

○NSnsa.byte.nl2015-06-25 → 2017-08-17 · 4 obs

● 2015-06-25 08:23:56
● 2017-08-17 15:40:00
○ 2026-02-15 01:15:34
○ 2026-05-13 18:05:58

○NSnsb.byte.nl2015-06-25 → 2017-08-17 · 4 obs

● 2015-06-25 08:23:56
● 2017-08-17 15:40:00
○ 2026-02-15 01:15:34
○ 2026-05-13 18:05:58

○NSnsc.byte.nl2015-06-25 → 2017-08-17 · 4 obs

● 2015-06-25 08:23:56
● 2017-08-17 15:40:00
○ 2026-02-15 01:15:34
○ 2026-05-13 18:05:58

●MXmail.dmt-worldwide.com2015-11-04 → 2026-05-13 · 3 obs

○ 2015-06-25 08:23:56
● 2015-11-04 19:21:32
● 2026-05-13 18:05:58

●MXsmtp.dmt-worldwide.com2015-06-25 → 2026-05-13 · 2 obs

● 2015-06-25 08:23:56
● 2026-05-13 18:05:58

●A81.12.149.1062015-06-25 → 2026-05-13 · 2 obs

● 2015-06-25 08:23:56
● 2026-05-13 18:05:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net...	-
dmt-worldwide.com	ns3.combell.net, ns4.combell.net	-

✅ Authoritative Response

Server:83.217.73.172

NS records: ns3.combell.net, ns4.combell.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dmt-worldwide.com (unsigned zone)

⏱️ Timing

Total: 715ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.12.149.106`
NS	3	`ns4.combell.net, ns3.combell.net...`
MX	2	`smtp.dmt-worldwide.com (pri: 30), mail.dmt-worldwide.com (pri: 10)`
TXT	2	`v=spf1 a mx ip4:81.12.149.106 mx:mail.dm, v=DMARC1; p=reject; rua=mailto:postmaste`
SOA	1	`ns3.combell.net hostmaster.dmt-worldwide`

Analysis

Hierarchy

dmt-worldwide.com is parent of smtp.dmt-worldwide.com and mail.dmt-worldwide.com.

IP Addresses

dmt-worldwide.com points to a single IP number: 81.12.149.106.

Other host names like smtp.dmt-worldwide.com and mail.dmt-worldwide.com share IP numbers with dmt-worldwide.com.

Name Servers

dmt-worldwide.com is delegated to three name servers: ns1.combell.eu, ns3.combell.net and ns4.combell.net.

dmt-worldwide.com at least partially shares name servers with other domains, for instance tlnn.nl, schelfhout-beton.be, dab-embedded.com, koorenstem.be and belgianbusrepair.com.

these name servers are commonly used with ns3.european-server.com, ns4.european-server.com, ns1.european-server.eu, ns1.register.be, ns2.register.be and ns3.register.be.

Host names with two IP numbers:

Host ns1.combell.eu points to 2a00:1c98:50::50 and 89.44.166.48.

Host ns3.combell.net points to 2a00:1c98::53:1 and 83.217.73.172.

Host ns4.combell.net points to 2001:1598:0:101::3 and 86.39.202.67.

Mail Servers

dmt-worldwide.com is handled by two mail servers: mail.dmt-worldwide.com and smtp.dmt-worldwide.com.

Host names with a single IP number:

mail.dmt-worldwide.com points to 81.12.149.106 and smtp.dmt-worldwide.com points to 81.12.149.106.

Host names that point to 81.12.149.106: mail.dmt-worldwide.com and smtp.dmt-worldwide.com.

dmt-worldwide.com - robtex.com