exchange.rcs.dk - robtex.com
exchange.rcs.dk
| CNAME | rcs-ex02.rcs.dk | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.215.163.50🇩🇰 SENTIA91.215.160.0/22 Athena Hosting A/S Network | ||||||
| PTR | rcs-ex02.rcs.dk | ||||||
rcs.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 91.215.161.69🇩🇰 SENTIA91.215.160.0/22 Athena Hosting A/S Network | ||||||
| NS | ns01.one.com ⭐ | ||||||
| NS | ns02.one.com | ||||||
| MX | rcs-dk.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 a mx include:spf.mtaroutes.com include:spf.protection.outlook.com incl... | ||||||
| SOA | ns01.one.comhostmaster@one.com 2026-07-26 #1 | ||||||
PTR for
Previously MX for
Same first word
Similar names
DNS History
4 records (1 active, 3 former)
○A87.104.238.182015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 01:05:52
○ 2015-10-25 06:48:20
○ 2026-08-14 15:50:46
○ 2015-10-25 06:48:20
○ 2026-08-14 15:50:46
○A91.215.163.202015-10-25 → 2016-09-16 · 5 obs
○ 2015-05-22 01:05:52
● 2015-10-25 06:48:20
● 2016-09-16 15:26:06
○ 2021-08-17 14:04:14
○ 2026-08-14 15:50:46
● 2015-10-25 06:48:20
● 2016-09-16 15:26:06
○ 2021-08-17 14:04:14
○ 2026-08-14 15:50:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| rcs.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: 852ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | rcs-ex02.rcs.dk |
Analysis
IP Addresses
exchange.rcs.dk resolves to just one IP address, 91.215.163.50.
Additional host names — including rcs-ex01.rcs.dk and rcs-ex02.rcs.dk — share IP numbers with exchange.rcs.dk.