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83
Total
70
DNS
70
Email
84
Security
100
Network
100
Availability
Domainnbcolympics.com
IPv42
IPv62
MX records4
StatusActive
Domain technical report

Homepage | NBC Olympics

nbcolympics.com

Visit NBCOlympics.com for Winter Olympic live streams, highlights, schedules, news, athlete bios and more from Milan Cortina 2026.

Generated: 2026-08-10T00:41:40-05:00 · Cached result

JSONCSVPDFVisit site
IPv42
IPv62
MX4
NS6

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

2 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

4 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

!
DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

55 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers19 / 35 pts · Security

5 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: a23-33-85-227.deploy.static.akamaitechnologies.com

✓
IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓
IPv6 connectivity35 / 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

2 record(s)
23.33.85.227
23.33.85.251

AAAA

2 record(s)
2600:1407:e800:15::17cd:5945
2600:1407:e800:15::17cd:5943

CNAME

0 record(s)
—

Not configured

MX

4 record(s)
10 mxa-00176a04.gslb.pphosted.com.
20 mx0a-00176a04.pphosted.com.
20 mx0b-00176a04.pphosted.com.
10 mxb-00176a04.gslb.pphosted.com.

TXT

8 record(s)
"v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all"
"google-site-verification=JnsKi1EaV9rnG6bwVHZTEg3_E8PnOQyfVBS09cxZk_E"
"hhwpkhv5rrt2wsyrh56z8kpkcsh7120n"
"google-site-verification=U2IGTS3B0HD4AyVZZwlxFzZXNgHl0ySdzRgkEH5JXO8"
"google-site-verification=hX50QYM1WzBBtra8y94Lv0OKoeJWasT4QpJvUzcdlAk"
"MS=ms17529108"
"_1zyd5sucomhlcx6dgl7xund89r8msa2"
"_3c37l13qqcp5b11as9ys8zbp2g6yldm"

NS

6 record(s)
a5-66.akam.net.
a2-65.akam.net.
a22-67.akam.net.
a1-42.akam.net.
a4-66.akam.net.
a13-65.akam.net.

SOA

1 record(s)
ns1.nbcuni.com. domain\.admin.nbcuni.com. 2014014163 120 900 2592000 900

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 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all

DMARC

Configured
v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Homepage | NBC Olympics
Description
Visit NBCOlympics.com for Winter Olympic live streams, highlights, schedules, news, athlete bios and more from Milan Cortina 2026.
Final URL
https://www.nbcolympics.com/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.nbcolympics.com/
Version
3
Server
nginx
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
*.nbcolympics.com
Valid from
2026-03-19T19:00:00-05:00
Valid until
2026-10-04T18:59:59-05:00
Days remaining
55
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

5 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
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

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
23.209.94.206, 23.209.94.209
45,71 ms
Cloudflare
1.1.1.1
23.48.37.166, 23.48.37.220
66,94 ms
Quad9
9.9.9.9
23.215.55.213, 23.215.55.224
59,35 ms
OpenDNS
208.67.222.222
2.16.170.199, 2.16.170.202
157,64 ms
AdGuard
94.140.14.14
23.45.233.40, 23.45.233.46
63,93 ms

IP, geolocation and ASNAssociated network information

23.33.85.227

No data
success
No
country
region
city
asn
organization
isp

23.33.85.251

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

mxa-00176a04.gslb.pphosted.com

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 70.8 ms - 
Port 587: Closed/unreachable - 48.6 ms -

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