mailserver.no - dns.ninja
mailserver.no
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.239.119.9🇳🇴 TELIA-NORWAY-AS80.239.0.0/17 Telia Norge AS | ||||||
| PTR | stage22.coretrek.no | ||||||
| NS | ns1.coretrek.net ⭐ | ||||||
| A | 80.239.119.71🇳🇴 TELIA-NORWAY-AS80.239.0.0/17 Telia Norge AS | ||||||
| PTR | st-vdns001.coretrek.net | ||||||
| NS | ns2.coretrek.net | ||||||
| A | 213.236.227.56🇳🇴 TELIA-NORWAY-AS213.236.128.0/17 Telia Norge AS | ||||||
| PTR | no03-sandnes.dns.coretrek.net | ||||||
| NS | ns3.coretrek.net | ||||||
| A | 80.239.119.66🇳🇴 TELIA-NORWAY-AS80.239.0.0/17 Telia Norge AS | ||||||
| PTR | st-vdns002.coretrek.net | ||||||
| MX | challenger.coretrek.no ⭐ | ||||||
| MX | relay1.world-online.no(10) | ||||||
| A | 193.107.31.199🇳🇴 ITPAYS-AS193.107.28.0/22 NO-ITPAYS | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.coretrek.nethostmaster@coretrek.no 2025-01-21 #1 | ||||||
no
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | charm.norid.no ⭐ | ||||||
| NS | i.nic.no | ||||||
| NS | njet.norid.no | ||||||
| NS | not.norid.no | ||||||
| NS | x.nic.no | ||||||
| NS | y.nic.no | ||||||
| NS | z.nic.no | ||||||
| SOA | charm.norid.nohostmaster@norid.no 2026-06-04 #2 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.coretrek.net2015-08-09 → 2026-06-04 · 2 obs
● 2026-06-04 01:41:28
●NSns2.coretrek.net2015-08-09 → 2026-06-04 · 2 obs
● 2026-06-04 01:41:28
●NSns3.coretrek.net2015-08-09 → 2026-06-04 · 2 obs
● 2026-06-04 01:41:28
●MXchallenger.coretrek.no2015-08-09 → 2026-06-04 · 2 obs
● 2026-06-04 01:41:28
●MXrelay1.world-online.no2015-08-09 → 2026-06-04 · 2 obs
● 2026-06-04 01:41:28
●A80.239.119.92015-08-09 → 2026-06-04 · 2 obs
● 2026-06-04 01:41:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| no | z.nic.no, njet.norid.no, x.nic.no, not.norid.no... | - |
| mailserver.no | ns2.coretrek.net, ns1.coretrek.net, ns3.coretrek.net | - |
✅ Authoritative Response
Server:213.236.227.56
NS records: ns2.coretrek.net, ns1.coretrek.net, ns3.coretrek.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mailserver.no (unsigned zone)
⏱️ Timing
Total: 1499ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.239.119.9 |
| NS | 3 | ns3.coretrek.net, ns1.coretrek.net... |
| MX | 2 | relay1.world-online.no (pri: 10), challenger.coretrek.no (pri: 5) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.coretrek.net hostmaster.coretrek.no |
Analysis
Hierarchy
mas.mailserver.no, webmail.mailserver.no and www.mailserver.no each fall under the parent domain mailserver.no.
IP Addresses
mailserver.no directs to one IP number, which is 80.239.119.9.
stage22.coretrek.no is an example of another host name that shares IP numbers with mailserver.no.
Name Servers
mailserver.no has three name servers — ns1.coretrek.net, ns2.coretrek.net and ns3.coretrek.net.
mailserver.no partially shares its NS delegation with several other domains, including piwik.no, hostarrangement.no, finnclausen.no and two others.
These name servers regularly co-occur with the name servers no01-sandnes.dns.coretrek.net, no03-sandnes.dns.coretrek.net and no04-sandnes.dns.coretrek.net.
Each of the three hostnames points to exactly one IP address: ns1.coretrek.net points to 80.239.119.71, ns2.coretrek.net points to 213.236.227.56 and ns3.coretrek.net points to 80.239.119.66.
Mail Servers
The MX records for mailserver.no point to two mail servers: challenger.coretrek.no and relay1.world-online.no.
Host names with one IP number:
relay1.world-online.no resolves to 193.107.31.199.