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68
Total
60
DNS
90
Email
73
Security
50
Network
60
Availability
Domainradissonblu.com
IPv41
IPv60
MX records1
StatusActive
Domain technical report

Access Restricted | Radisson Hotel Group

radissonblu.com

Generated: 2026-08-10T04:15:36-05:00 · Cached result

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IPv41
IPv60
MX1
NS6

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

6 NS record(s); 2 or more required.

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

!
DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

!
DNS propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

1 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

✓
DKIM20 / 20 pts · Mail

A DKIM selector was verified.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

64 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers8 / 35 pts · Security

2 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: a23-193-174-147.deploy.static.akamaitechnologies.com

i
IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓
DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

!
HTTP response0 / 40 pts · Availability

HTTP/2 403

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)
23.193.174.147

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
0 radissonhotels.in.tmes.trendmicro.eu.

TXT

9 record(s)
"amazonses:0VILBpCiSvHeloGNd2PgrDwyH/17xKedZw3YvnEDjN8="
"facebook-domain-verification=p55knpdcu3606kisp28o9yqx9nhmp9"
"knowbe4-site-verification=a15db17b6e62b1ded7a9363b19d90606"
"p6Hagizz/jzPsfyT9a8NP08/6MLAhv3zoZOT8njUiuk="
"tmes=56c4d4fccc08e152639581db45dda4a1"
"adobe-idp-site-verification=9315089c4b3efc289f8a4784eda956fdff914eace9dcc8b19ae15233ea22dfb3"
"atlassian-domain-verification=KX2aLAPZ1iNXTguqChaB9yaOzVmpXWkkjqN68yZOjyaxXYfivmXNjBk53KpUpudc"
"MS=ms52401975"
"v=spf1 mx:radissonblu.com include:spf.rezidor.com include:spf.protection.outlook.com include:sendgrid.net include:spf.tmes.trendmicro.com include:spf_3a.oracleindustry.com " " ip4:199.167.217.90 ip4:209.242.69.231 ip4:80.196.100.205/32 ip4:80.196.100.206/32 ip4:195.78.71.30/31 ip4:213.138.147.128/27 ip4:193.180.231.67/32 ip4:54.240.88.216/30 ip4:52.208.166.252/32 " " ip4:54.246.247.240/28 ip4:54.77.200.126/32 ip4:54.154.234.46/32 ip4:54.72.85.15/32 ip4:23.251.238.30/31 ip4:23.251.238.32/31 ip4:216.117.108.0/24 ip4:216.117.109.0/24 ip4:216.117.110.0/24 -all"

NS

6 record(s)
a4-67.akam.net.
a8-65.akam.net.
a28-65.akam.net.
a3-66.akam.net.
a1-234.akam.net.
a7-64.akam.net.

SOA

1 record(s)
a1-234.akam.net. postmaster.radissonblu.com. 2022070735 600 3600 604800 3600

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

0 record(s)
—

Not configured

NSEC

0 record(s)
—

Not configured

NSEC3

0 record(s)
—

Not configured

SRV

0 record(s)
—

Not configured

NAPTR

0 record(s)
—

Not configured

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Configured
v=spf1 mx:radissonblu.com include:spf.rezidor.com include:spf.protection.outlook.com include:sendgrid.net include:spf.tmes.trendmicro.com include:spf_3a.oracleindustry.com  ip4:199.167.217.90 ip4:209.242.69.231 ip4:80.196.100.205/32 ip4:80.196.100.206/32 ip4:195.78.71.30/31 ip4:213.138.147.128/27 ip4:193.180.231.67/32 ip4:54.240.88.216/30 ip4:52.208.166.252/32  ip4:54.246.247.240/28 ip4:54.77.200.126/32 ip4:54.154.234.46/32 ip4:54.72.85.15/32 ip4:23.251.238.30/31 ip4:23.251.238.32/31 ip4:216.117.108.0/24 ip4:216.117.109.0/24 ip4:216.117.110.0/24 -all

DMARC

Configured
v=DMARC1; p=none; rua=mailto:protecting.rhg@radissonhotels.com; ruf=mailto:protecting.rhg@radissonhotels.com

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC6+zlPCA6mkC0LwYuIjD8LVMDrdx/T7XuWoHUEhoTTcwrXOVWxIiB4fvs0gZ0NnJQg54teE/eaOcfX7yMLGjXbUOLSu7P8cwPo7ecaw4CVHKAqf7w6S9QvSirmdk9kbLqo/TPt7Lia+dXygxHpUKks5lAjBdWjPJttrEMMtUHlmQIDAQAB; n=1024,1457683958,1

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Access Restricted | Radisson Hotel Group
Description
Final URL
https://www.radissonhotels.com/en-us/brand/radisson-blu
HTTP status
403

HTTP

Status
HTTP/2 403
Final URL
https://www.radissonhotels.com/en-us/brand/radisson-blu
Version
3
Server
AkamaiGHost
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
san1.radissonhotels.com
Valid from
2025-09-22T19:00:00-05:00
Valid until
2026-10-13T18:59:59-05:00
Days remaining
64
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

2 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
—
X-Content-Type-OptionsNot detected
—
X-Frame-OptionsNot detected
—
Referrer PolicyNot detected
—
Permissions PolicyNot detected
—
Cross-Origin-Opener-PolicyNot detected
—
Cross-Origin-Embedder-PolicyNot detected
—
Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
23.193.174.147
47,23 ms
Cloudflare
1.1.1.1
23.193.174.147
42,74 ms
Quad9
9.9.9.9
104.94.76.19
50,28 ms
OpenDNS
208.67.222.222
23.193.174.147
205,17 ms
AdGuard
94.140.14.14
69.192.22.188
42,89 ms

IP, geolocation and ASNAssociated network information

23.193.174.147

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

radissonhotels.in.tmes.trendmicro.eu

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4020.7 ms - 
Port 587: Closed/unreachable - 4019 ms -

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