mxbackup.usrtech.dk - dns.ninja

`mxbackup.usrtech.dk`

DNSSEC	⚠️ Not signed
A	172.104.203.63^{🇩🇪 AKAMAI-LINODE-AP172.104.202.0/23 Akamai Technologies}
		PTR	`mail.weblarsen.dk`

`usrtech.dk`

	DNSSEC	🔒 Signed (DS record present)
	A	172.104.203.63^{🇩🇪 AKAMAI-LINODE-AP172.104.202.0/23 Akamai Technologies}
	NS	`ns01.one.com` ⭐
	NS	`ns02.one.com`
	MX	`mail.usrtech.dk` ⭐
	MX	`mxbackup.usrtech.dk`⁽²⁰⁾
	TXT	`Hosted by Weblarsen`
	TXT	`v=spf1 mx ip4:172.104.152.106 ip4:139.162.130.163 ip4:172.104.203.63 -all`
	SOA	`ns01.one.com`hostmaster@one.com 2026-03-25 #1

MX for

usrtech.dk

Same first word

mxbackup.nl

mxbackup.ddns.net

mxbackup.ro

mxbackup.com.br

mxbackup.be

Similar names

backupmx.nl

backupmx.us

backupmx.com

xmbackup.net

backupmx.org

backupmx.it

xmbackup.com

DNS History

2 records (1 active, 1 former)

●A172.104.203.632026-02-15 → 2026-06-19 · 3 obs

○ 2017-01-02 18:06:18
● 2026-02-15 04:01:36
● 2026-06-19 00:51:54

○A85.218.192.2292015-05-09 → 2017-01-02 · 4 obs

● 2015-05-09 19:56:16
● 2017-01-02 18:06:18
○ 2026-02-15 04:01:36
○ 2026-06-19 00:51:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...	12 records
usrtech.dk	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 999ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.104.203.63`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (b.nic.dk, b.nic.dk, h.nic.dk...)

Analysis

Mail Server Role

The mail server mxbackup.usrtech.dk processes email for usrtech.dk.

mail.usrtech.dk frequently appears as a mail server alongside mxbackup.usrtech.dk.

IP Addresses

mxbackup.usrtech.dk resolves to just one IP address, 172.104.203.63.

Two other host names, along with mail.weblarsen.dk, usrtech.dk and mail.vagtadmin.dk, also share IP numbers with mxbackup.usrtech.dk.