radissonblu.dk is a .dk domain served by 6 nameservers (a1-234.akam.net, a28-65.akam.net, a3-66.akam.net and 3 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 2.23.172.50 is hosted by Akamai International B.V. (AS20940) in Denmark. Mail is handled by radissonhotels.in.tmes.trendmicro.eu. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 600s | radissonhotels.in.tmes.trendmicro.eu | 18.185.115.145 18.185.115.146 18.185.115.147 |
in.tmes.trendmicro.eu in.tmes.trendmicro.eu in.tmes.trendmicro.eu |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| 🔶 Autoconfig | san3.radissonhotels.com.edgekey.net → 2.23.172.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms93108236 |
| pkts9t9s0krx67n1p8x7m1x4rk1ky7t9 |
| tmes=f239cf5e778fa1c2b8f20f85b31e57d6 |
| v=spf1 include:spf.protection.outlook.com include:agspf.agillic.eu include:spf.rezidor.com include:spf.tmes.trendmicro.com -all |
| Policy | Record (radissonblu.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:agspf.agillic.eu include:spf.rezidor.com include:spf.tmes.trendmicro.com -all |
| www CNAME | san3.radissonhotels.com.edgekey.net (all on edgekey.net) |
| www vs bare domain | Same network radissonblu.dk: 2.23.172.50 2.23.172.56 (AS20940) www.radissonblu.dk: 2.23.172.50 2.23.172.56 (AS20940) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 7/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.radissonblu.dk | wiWHlPyddifAt_1Y00vHwt303DqzCZNecA6LicjV1gM |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2022070702 |
| Primary NS (MNAME) | a1-234.akam.net |
| Responsible (RNAME) | postmaster@radissonblu.dk |
| Refresh | 600s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 13:10:24 shown | 1712ms | 6 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 23:59:41 | 2533ms | 6 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 12:06:48 | 3148ms | 6 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 15:26:26 | 1251ms | 6 NS 2 A 1 MX | ⚠️ Bogus |