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 | v=spf1 mx ip4:172.104.152.106 ip4:139.162.130.163 ip4:172.104.203.63 -all | ||||||
| TXT | Hosted by Weblarsen | ||||||
| SOA | ns01.one.comhostmaster@one.com 2026-03-25 #1 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A172.104.203.632026-02-15 → 2026-06-17 · 3 obs
○ 2017-01-02 18:06:18
● 2026-02-15 04:01:36
● 2026-06-17 21:30:26
● 2026-02-15 04:01:36
● 2026-06-17 21:30:26
○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
○ 2026-06-17 21:30:26
● 2017-01-02 18:06:18
○ 2026-02-15 04:01:36
○ 2026-06-17 21:30:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | l.nic.dk, c.nic.dk, t.nic.dk, b.nic.dk... | - |
| usrtech.dk | ns01.one.com, ns02.one.com | - |
✅ Authoritative Response
Server:185.10.11.10
NS records: ns01.one.com, ns02.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 933ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.104.203.63 |
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.