`mail.colbergtech.net`

	DNSSEC	⚠️ Not signed
	A	20.150.157.2^{🇺🇸 Microsoft20.150.0.0/15 MICROSOFT}

`colbergtech.net`

	DNSSEC	🔒 Signed (DS record present)
	A	20.150.157.2^{🇺🇸 Microsoft20.150.0.0/15 MICROSOFT}
	NS	`pdns01.domaincontrol.com` ⭐
	NS	`pdns02.domaincontrol.com`
	MX	`colbergtech-net.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 ip4:206.189.160.17 ip4:167.172.31.136 ip4:104.40.90.169 ip4:104.214.10...`
	SOA	`pdns01.domaincontrol.com`dns@jomax.net 2026-03-08 #10

Previously MX for

colbergtech.net

Same first word

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mail.chirurgiens-dentistes.fr

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lami.com.co

DNS History

2 records (1 active, 1 former)

●A20.150.157.22026-05-12 → 2026-05-12 · 3 obs

○ 2016-06-20 06:09:36
● 2026-05-12 10:51:02
● 2026-05-12 10:51:06

○A70.32.81.902015-07-09 → 2016-06-20 · 4 obs

● 2015-07-09 19:41:10
● 2016-06-20 06:09:36
○ 2026-05-12 10:51:02
○ 2026-05-12 10:51:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
colbergtech.net	pdns01.domaincontrol.com, pdns02.domaincontrol.com	-

✅ Authoritative Response

Server:97.74.110.50

NS records: pdns01.domaincontrol.com, pdns02.domaincontrol.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1026ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.150.157.2`

Analysis

IP Addresses

mail.colbergtech.net points to a single IP: 20.150.157.2.

Other host names, such as colbergtech.net, share IP numbers with mail.colbergtech.net.

mail.colbergtech.net - robtex.com