rtc.no - dns.ninja
rtc.no
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.35.185.248🇳🇴 WEBHUSET-AS185.35.184.0/22 NO-WEBHUSET | ||||||
| PTR | server.unifish.no | ||||||
| NS | ns1.unifish.no ⭐ | ||||||
| A | 185.35.185.46🇳🇴 WEBHUSET-AS185.35.184.0/22 NO-WEBHUSET | ||||||
| PTR | ns1.unifish.no | ||||||
| NS | ns2.unifish.no | ||||||
| A | 185.35.185.253🇳🇴 WEBHUSET-AS185.35.184.0/22 NO-WEBHUSET | ||||||
| PTR | ns2.unifish.no | ||||||
| MX | rtc.no ⭐ | ||||||
| A | 185.35.185.248🇳🇴 WEBHUSET-AS185.35.184.0/22 NO-WEBHUSET | ||||||
| PTR | server.unifish.no | ||||||
| TXT | v=spf1 ip4:185.35.185.248 +a +mx ~all | ||||||
| SOA | ns1.unifish.nohostmaster@unifish.no 2026-06-29 #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 2026-08-09 #81 | ||||||
MX for
rtc.no |
Same first word
Similar names
DNS History
13 records (4 active, 9 former)
○NSns1.stwadmin.net2015-07-25 → 2016-04-03 · 4 obs
● 2016-04-03 12:30:34
○ 2016-06-01 05:10:14
○ 2026-08-09 22:42:10
○NSns1.stwcp.net2016-06-01 → 2017-01-06 · 5 obs
● 2016-06-01 05:10:14
● 2017-01-06 02:32:34
○ 2026-03-01 10:37:12
○ 2026-08-09 22:42:10
●NSns1.unifish.no2026-03-01 → 2026-08-09 · 3 obs
● 2026-03-01 10:37:12
● 2026-08-09 22:42:10
○NSns2.stwadmin.net2015-07-25 → 2016-04-03 · 4 obs
● 2016-04-03 12:30:34
○ 2016-06-01 05:10:14
○ 2026-08-09 22:42:10
○NSns2.stwcp.net2016-06-01 → 2017-01-06 · 5 obs
● 2016-06-01 05:10:14
● 2017-01-06 02:32:34
○ 2026-03-01 10:37:12
○ 2026-08-09 22:42:10
●NSns2.unifish.no2026-03-01 → 2026-08-09 · 3 obs
● 2026-03-01 10:37:12
● 2026-08-09 22:42:10
○NSns3.stwcp.net2016-06-01 → 2017-01-06 · 5 obs
● 2016-06-01 05:10:14
● 2017-01-06 02:32:34
○ 2026-03-01 10:37:12
○ 2026-08-09 22:42:10
○MXmx1.stwcp.net2016-06-01 → 2017-01-06 · 5 obs
● 2016-06-01 05:10:14
● 2017-01-06 02:32:34
○ 2026-03-01 10:37:12
○ 2026-08-09 22:42:10
●MXrtc.no2026-03-01 → 2026-08-09 · 6 obs
● 2026-03-01 10:37:12
● 2026-03-02 22:42:44
○ 2026-03-06 08:58:38
● 2026-03-24 19:18:08
● 2026-08-09 22:42:10
○MXsmtp49s.stwadmin.net2015-07-25 → 2016-04-03 · 4 obs
● 2016-04-03 12:30:34
○ 2016-06-01 05:10:14
○ 2026-08-09 22:42:10
●A185.35.185.2482026-03-01 → 2026-08-09 · 6 obs
● 2026-03-01 10:37:12
● 2026-03-02 22:42:44
○ 2026-03-06 08:58:38
● 2026-03-24 19:18:08
● 2026-08-09 22:42:10
○A217.170.198.1002016-06-01 → 2017-01-06 · 5 obs
● 2016-06-01 05:10:14
● 2017-01-06 02:32:34
○ 2026-03-01 10:37:12
○ 2026-08-09 22:42:10
○A91.189.180.2452015-07-25 → 2016-04-03 · 4 obs
● 2016-04-03 12:30:34
○ 2016-06-01 05:10:14
○ 2026-08-09 22:42:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| no | i.nic.no, x.nic.no, y.nic.no, z.nic.no... | - |
| rtc.no | ns1.unifish.no, ns2.unifish.no | 2 records |
✅ Authoritative Response
Server:185.35.185.253
NS records: ns1.unifish.no, ns2.unifish.no
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtc.no (unsigned zone)
⏱️ Timing
Total: 732ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.35.185.248 |
| NS | 2 | ns2.unifish.no, ns1.unifish.no |
| MX | 1 | rtc.no (pri: 0) |
| TXT | 1 | v=spf1 ip4:185.35.185.248 +a +mx ~all |
| SOA | 1 | ns1.unifish.no hostmaster.unifish.no |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.unifish.no, ns1.unifish.no)
Analysis
Mail Server Role
rtc.no is listed as a mail server for itself.
IP Addresses
rtc.no resolves to one IP address: 185.35.185.248.
rishaug.no, fiskarlag.no, hpf.no and two other host names share IP numbers with rtc.no.
Name Servers
rtc.no is delegated to two name servers: ns1.unifish.no and ns2.unifish.no.
rtc.no uses the same name servers as several other domains — among them six.no, sissel.no, ais.no and two more.
Each of ns1.unifish.no and ns2.unifish.no has one IP address: ns1.unifish.no uses 185.35.185.46 and ns2.unifish.no uses 185.35.185.253.
Mail Servers
Mail for rtc.no is handled by one mail server — rtc.no.
rtc.no resolves to a single IP number: 185.35.185.248.