`mail.coldtex.nl`

CNAME	`coldtex-nl.mail.protection.outlook.com`
DNSSEC	⚠️ Not signed
A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
		PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:ca09::c^{🇳🇱 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}

`coldtex.nl`

	DNSSEC	⚠️ Not signed
	A	94.124.92.186^{🇳🇱 CJ2-AS94.124.88.0/21 CJ2 Hosting}
	NS	`ns1.openprovider.nl` ⭐
	NS	`ns2.openprovider.be`
	NS	`ns3.openprovider.eu`
	MX	`coldtex-nl.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 ip4:188.203.99.234 ip4:145.128.162.29 a:mx2.expedient.nl include:spf.p...`
	SOA	`ns1.openprovider.nl`dns@openprovider.eu 2024-07-31 #3

Previously MX for

coldtex.nl

Same first word

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mail.tm

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DNS History

5 records (1 active, 4 former)

○A213.199.154.1062016-11-18 → 2016-11-18 · 4 obs

○ 2016-03-18 12:49:30
● 2016-11-18 22:11:18
○ 2026-03-29 02:17:24
○ 2026-03-29 02:17:26

○A213.199.154.1382016-11-18 → 2016-11-18 · 4 obs

○ 2016-03-18 12:49:30
● 2016-11-18 22:11:18
○ 2026-03-29 02:17:24
○ 2026-03-29 02:17:26

○A213.199.154.232015-08-20 → 2016-03-18 · 4 obs

● 2015-08-20 03:51:50
● 2016-03-18 12:49:30
○ 2016-11-18 22:11:18
○ 2026-03-29 02:17:26

○A213.199.154.872015-08-20 → 2016-03-18 · 4 obs

● 2015-08-20 03:51:50
● 2016-03-18 12:49:30
○ 2016-11-18 22:11:18
○ 2026-03-29 02:17:26

●CNAMEcoldtex-nl.mail.protection.outlook.com2015-08-20 → 2026-03-29 · 2 obs

● 2015-08-20 03:51:50
● 2026-03-29 02:17:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns4.dns.nl, ns3.dns.nl, ns1.dns.nl	-
coldtex.nl	ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu	-

✅ Authoritative Response

Server:162.159.48.89

NS records: ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1252ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`coldtex-nl.mail.protection.outlook.com`

Analysis

IP Addresses

Eight IP numbers are pointed to by mail.coldtex.nl: 2a01:111:f403:ca04::7, 2a01:111:f403:ca09::1, 2a01:111:f403:ca09::c, 2a01:111:f403:ca09::e, 52.101.68.15, 52.101.68.18, 52.101.68.32 and 52.101.73.4.

Other host names such as werecycle-coffee.mail.protection.outlook.com, brillgaard-dk.mail.protection.outlook.com, tiepco-com.mail.protection.outlook.com, paulsap-be.mail.protection.outlook.com and ab-eu.mail.protection.outlook.com share IPs with mail.coldtex.nl.

mail.coldtex.nl - robtex.com

mail.coldtex.nl

coldtex.nl