rfsu.no - robtex.com
rfsu.no
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 2026-07-29 #81 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSdns-b.buildit.net2021-06-12 → 2026-07-29 · 3 obs
● 2021-06-12 21:07:10
● 2026-07-29 23:40:54
●NSdns-c.buildit.eu2021-06-12 → 2026-07-29 · 3 obs
● 2021-06-12 21:07:10
● 2026-07-29 23:40:54
○NSdns1.buildit.net2015-08-26 → 2017-03-25 · 4 obs
● 2017-03-25 22:51:10
○ 2021-06-12 21:07:10
○ 2026-07-29 23:40:54
○NSdns2.buildit.net2015-08-26 → 2017-03-25 · 4 obs
● 2017-03-25 22:51:10
○ 2021-06-12 21:07:10
○ 2026-07-29 23:40:54
○NSdns3.buildit.net2015-08-26 → 2017-03-25 · 4 obs
● 2017-03-25 22:51:10
○ 2021-06-12 21:07:10
○ 2026-07-29 23:40:54
●MXrfsu-no.mail.protection.outlook.com2015-08-26 → 2026-07-29 · 2 obs
● 2026-07-29 23:40:54
●A213.88.149.1012026-05-22 → 2026-07-29 · 3 obs
● 2026-05-22 20:55:38
● 2026-07-29 23:40:54
○A213.88.149.252021-06-12 → 2021-06-12 · 3 obs
○ 2026-05-22 20:55:38
○ 2026-07-29 23:40:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| no | not.norid.no, z.nic.no, y.nic.no, i.nic.no... | - |
| rfsu.no | dns-c.buildit.eu, dns-b.buildit.net | - |
✅ Authoritative Response
Server:162.219.54.140
NS records: dns-c.buildit.eu, dns-b.buildit.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rfsu.no (unsigned zone)
⏱️ Timing
Total: 499ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.88.149.101 |
| NS | 2 | dns-b.buildit.net, dns-c.buildit.eu |
| MX | 1 | rfsu-no.mail.protection.outlook.com (pri |
| TXT | 2 | v=verifydomain MS=ms82538533, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | dns-b.buildit.net hostmaster.buildit.net |
Analysis
IP Addresses
rfsu.no directs to one IP number, which is 213.88.149.101.
Among the host names that share IP numbers with rfsu.no are rfsu.fi, scandinaviandesign.com, rfsu.dk and two others.
Name Servers
DNS delegation for rfsu.no points to two name servers: dns-c.buildit.eu and dns-b.buildit.net.
rfsu.no has the same name server delegation as a number of other domains, such as afv.se, arjohuntleigh.ch, xtab.com and two more.
At least some of rfsu.no's name servers are shared with other domains, for example mycarmex.dk, deprot.com, panafarma.se and two more.
dns-c.buildit.eu directs to 162.219.55.140 and 2620:10a:80ec::4c. dns-b.buildit.net directs to 162.219.54.140 and 2620:10a:80eb::4c. Each host name carries two IP addresses.
Mail Servers
rfsu.no routes its mail through a single mail server, rfsu-no.mail.protection.outlook.com.
rfsu-no.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.21, 52.101.68.29 and 52.101.73.11, along with 5 other.