rtb.as - dns.ninja
rtb.as
| DNSSEC | ⚠️ Not signed | ||||||
| A | 87.254.35.60🇳🇴 IMCAS-AS87.254.32.0/19 | ||||||
| PTR | isp7.imc.as | ||||||
| NS | ns2.datacenter.no ⭐ ⚠️ Not in zone NS records | ||||||
| A | 91.192.220.132🇳🇴 WEBHUSET-AS91.192.220.0/22 NO-OSLOISP-COLOCATION | ||||||
| NS | isp7.imc.as ⚠️ Not in parent delegation | ||||||
| A | 2a03:d500:63:0:250:56ff:feba:6e4b🇳🇴 IMCAS-AS2a03:d500::/32 | ||||||
| PTR | isp7.imc.as | ||||||
| A | 87.254.35.60🇳🇴 IMCAS-AS87.254.32.0/19 | ||||||
| PTR | isp7.imc.as | ||||||
| NS | isp8.imc.as ⚠️ Not in parent delegation | ||||||
| A | 2a03:d500:63:0:250:56ff:feba:2ab2🇳🇴 IMCAS-AS2a03:d500::/32 | ||||||
| PTR | isp8.imc.as | ||||||
| A | 87.254.32.25🇳🇴 IMCAS-AS87.254.32.0/19 | ||||||
| PTR | isp8.imc.as | ||||||
| NS | ns.datacenter.no ⚠️ Not in zone NS records | ||||||
| A | 185.7.60.115🇳🇴 WEBHUSET-AS185.7.60.0/22 | ||||||
| MX | box.imc.no ⭐ | ||||||
| A | 2a03:d500:63:0:250:56ff:feba:731e🇳🇴 IMCAS-AS2a03:d500::/32 | ||||||
| PTR | box.imc.no | ||||||
| A | 87.254.32.122🇳🇴 IMCAS-AS87.254.32.0/19 | ||||||
| PTR | box.imc.no | ||||||
| TXT | MS=ms49646284 | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | ns.datacenter.nohostmaster@rtb.as serial=1747667336 | ||||||
as
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.as ⭐ | ||||||
| NS | ns1.asnic.biz | ||||||
| NS | ns2.asnic.info | ||||||
| NS | ns3.asnic.org | ||||||
| NS | ns4.asnic.uk | ||||||
| NS | ns5.asnic.us | ||||||
| MX | no.mx.nic.as ⭐ | ||||||
| TXT | Generation Time: 1784617745 | ||||||
| TXT | Generation Time ISO 8601: 2026-07-21 07:09:05 | ||||||
| SOA | dns.nic.asdomainmaster@nic.as 2026-07-21 #25 | ||||||
Subdomains
mail.rtb.as |
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
●NSisp7.imc.as2026-02-14 → 2026-07-21 · 3 obs
● 2026-02-14 21:31:38
● 2026-07-21 08:20:24
●NSisp8.imc.as2026-02-14 → 2026-07-21 · 3 obs
● 2026-02-14 21:31:38
● 2026-07-21 08:20:24
●NSns.datacenter.no2015-07-13 → 2026-07-21 · 2 obs
● 2026-07-21 08:20:24
●NSns2.datacenter.no2015-07-13 → 2026-07-21 · 2 obs
● 2026-07-21 08:20:24
●MXbox.imc.no2026-02-14 → 2026-07-21 · 3 obs
● 2026-02-14 21:31:38
● 2026-07-21 08:20:24
○MXmail.rtb.as2015-07-13 → 2016-01-19 · 4 obs
● 2016-01-19 00:17:42
○ 2016-04-18 12:50:12
○ 2026-07-21 08:20:24
○MXmailfilter01.hatteland.com2016-04-18 → 2021-09-17 · 5 obs
● 2016-04-18 12:50:12
● 2021-09-17 21:53:40
○ 2026-02-14 21:31:38
○ 2026-07-21 08:20:24
○MXmailfilter02.hatteland.com2016-04-18 → 2021-09-17 · 5 obs
● 2016-04-18 12:50:12
● 2021-09-17 21:53:40
○ 2026-02-14 21:31:38
○ 2026-07-21 08:20:24
○MXmailfilter03.hatteland.com2016-04-18 → 2021-09-17 · 5 obs
● 2016-04-18 12:50:12
● 2021-09-17 21:53:40
○ 2026-02-14 21:31:38
○ 2026-07-21 08:20:24
○A31.24.135.2092015-07-13 → 2021-09-17 · 4 obs
● 2021-09-17 21:53:40
○ 2026-02-14 21:31:38
○ 2026-07-21 08:20:24
●A87.254.35.602026-02-14 → 2026-07-21 · 6 obs
● 2026-02-14 21:31:38
● 2026-04-05 00:34:04
○ 2026-04-07 00:21:24
● 2026-04-15 17:10:58
● 2026-07-21 08:20:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| as | ns1.asnic.biz, ns5.asnic.us, ns3.asnic.org, ns2.asnic.info... | 10 records |
| rtb.as | ns.datacenter.no, ns2.datacenter.no | - |
✅ Authoritative Response
Server:185.7.60.115
NS records: ns.datacenter.no, ns2.datacenter.no
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtb.as (unsigned zone)
⏱️ Timing
Total: 2331ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.254.35.60 |
| NS | 2 | isp7.imc.as, isp8.imc.as |
| MX | 1 | box.imc.no (pri: 10) |
| TXT | 2 | MS=ms49646284, v=spf1 mx -all |
| SOA | 1 | ns.datacenter.no hostmaster.rtb.as |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns5.asnic.us, ns4.asnic.uk, ns3.asnic.org...)
Analysis
Hierarchy
rtb.as is a parent domain of mail.rtb.as.
IP Addresses
rtb.as has exactly one IP address — 87.254.35.60.
kjellsolli.no, style4dogs.no, glefs.no plus two other host names have IP numbers in common with rtb.as.
Name Servers
Four name servers handle the delegation for rtb.as: isp7.imc.as, isp8.imc.as, ns2.datacenter.no and ns.datacenter.no.
rtb.as shares at least some of its name servers with other domains, including norskopera.no, sti.as, takstige.com and two others.
Host names pointing to two IP addresses:
The A records for isp7.imc.as return 87.254.35.60 and 2a03:d500:63:0:250:56ff:feba:6e4b.
The A records for isp8.imc.as return 87.254.32.25 and 2a03:d500:63:0:250:56ff:feba:2ab2.
Host names resolving to a single IP address:
ns2.datacenter.no resolves to the IP address 91.192.220.132.
ns.datacenter.no resolves to the IP address 185.7.60.115.
Mail Servers
rtb.as uses one mail server — box.imc.no.
The mail server setup of rtb.as is identical to that of domains like safety.no, npsyk.no and glefs.no.
box.imc.no points to two IP addresses: 87.254.32.122 and 2a03:d500:63:0:250:56ff:feba:731e.