Domain technical report
Control Systems for Home Automation, Campus & Building Control by Crestron Electronics [Crestron Electronics, Inc.]
crestron.com
IPv41
IPv60
MX2
NS4
Analyze any domain
Get a complete DNS, email, SSL, HTTP and network analysis in seconds.
78
Total
70
DNS
90
Email
81
Security
20
Network
100
Availability
Domaincrestron.com
IPv41
IPv60
MX records2
StatusActive
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
4 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 propagation10 / 10 pts · Dns
Agreement between public resolvers.
MX records20 / 20 pts · Mail
2 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
115 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers16 / 35 pts · Security
4 of 9 evaluated headers detected.
PTR reverse DNS0 / 30 pts · Network
PTR not detected.
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 response40 / 40 pts · Availability
HTTP/2 200
HTTPS final URL20 / 20 pts · Availability
Final URL uses HTTPS.
DNS and emailPublished records and email configuration
A
1 record(s)74.179.241.220
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
2 record(s)10 mxa-0016b001.gslb.pphosted.com. 10 mxb-0016b001.gslb.pphosted.com.
TXT
21 record(s)"MS=ms76468389"
"google-gws-recovery-domain-verification=38777871"
"adobe-idp-site-verification=33551ba4-6323-452b-99d9-c5f23d0c9aa2"
"Yhshi+iz7/IPIfs89RGt0ZQcrfCFNt4Udbo2REU+GFhxX7Jj65BkROA4Y9yj3hb2VehLjGxlbNr0rIE29BHktw=="
"_8jkbusyn97kes5ngrgtxm669suhscd9"
"apple-domain-verification=Kc9TbqRPQAHFoBsMHfBc4fdWe9Jdg5FRB6VH1uchCSI"
"atlassian-domain-verification=35x5ztOXQMEBb0nGbmNg3xC/wFUWOW3b4Eo6MBsNCi3QyMeAHZ+ql53KkRYDdTnM"
"apple-domain-verification=VAoiDCYXINF5d2vN"
"pardot767943=5c9b9573b645f8676ebc60efda74a9b165a8a3c1c8486f1e1891f4efaff0031c"
"331oja8icm3llavks6pu6bcm9p"
"bw=ysh1B04zSEyPbd8cDIgYw6tmgz+mxG289Wo19CjHK2sh"
"rid0hq9kD3uBbXg1JO3wcYeJGM"
"_zq2pltjo34j2jbr6zjqoyuwsqz51l3j"
"airtable-verification=a871cac3882e762507b8be938ec313d5"
"anthropic-domain-verification-e83qc3=5xePXYrBKoqaJY2MbVIB1amR7"
"google-site-verification=Nyq4uwpCpoEY4p6TQ23vY8bjhOj-oa6lMmDqFVzc_6k"
"teamviewer-sso-verification=cabf145483b34876be56234552ce8614"
"ZOOM_verify_5Wj0XV5GQp2TTAaR1Q0ZDA"
"v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all"
"pardot767943=df876f0adb604ccae6a9e73423a871a20bb39d8d3006446104d58e20457dc224"
"docker-verification=a7756fb2-365b-40e5-86f6-3ea745787c47"NS
4 record(s)pdns81.ultradns.biz. pdns81.ultradns.net. pdns81.ultradns.com. pdns81.ultradns.org.
SOA
1 record(s)pdns81.ultradns.net. admin.tzolkin.com. 2017052095 3600 600 604800 60
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
Configuredv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~allDMARC
Configuredv=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;
DKIM
Selector mxv=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCuRcOjerg9pCCmP2nBGkNMedQ9g7WLlXbok2vWoE9tHb52VTYnYTtfm8kekhgrtc71Zb8czIPurg9sGLOAgZARDO8cwKT40ABMmd3yrrDfeMglIyF/7qa0QByFaQk5m0mErqwXlww4DBhRhNDuw+CHLZKxfTD2Hb6lqKQVUAZ9FwIDAQAB
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Control Systems for Home Automation, Campus & Building Control by Crestron Electronics
[Crestron Electronics, Inc.]
Description
Final URL
https://www.crestron.com/
HTTP status
200
HTTP
Status
HTTP/2 200
Final URL
https://www.crestron.com/
Version
3
Server
Microsoft-IIS/10.0
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Sectigo Limited
CN
crestron.com
Valid from
2025-12-03T18:00:00-06:00
Valid until
2026-12-04T17:59:59-06:00
Days remaining
115
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
4 activeHSTSImplemented
Content Security PolicyImplemented
X-Content-Type-OptionsNot detected
X-Frame-OptionsImplemented
Referrer PolicyImplemented
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
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.874.179.241.220
62,71 ms
Cloudflare
1.1.1.174.179.241.220
29,11 ms
Quad9
9.9.9.974.179.241.220
28,75 ms
OpenDNS
208.67.222.22274.179.241.220
50,93 ms
AdGuard
94.140.14.1474.179.241.220
55,00 ms
IP, geolocation and ASNAssociated network information
74.179.241.220
No datasuccess
No
country
region
city
asn
organization
isp
Visitor information
Visitorip
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
mxa-0016b001.gslb.pphosted.com
Port 25: Closed/unreachable - 33.4 ms - Port 465: Closed/unreachable - 44.7 ms - Port 587: Closed/unreachable - 49.9 ms -