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77
Total
95
DNS
75
Email
69
Security
85
Network
60
Availability
Domainxfinity.com
IPv41
IPv61
MX records6
StatusActive
Domain technical report

Access Denied

xfinity.com

Generated: 2026-08-09T03:15:56-05:00 · Cached result

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IPv41
IPv61
MX6
NS5

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

1 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

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

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

✓
DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

6 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-STS5 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

67 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: xfinitycom-anycast-1p.slb.comcast.com

i
IPv4 diversity20 / 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 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)
96.99.240.155

AAAA

1 record(s)
2001:558:feed:dc:96:99:240:155

CNAME

0 record(s)
—

Not configured

MX

6 record(s)
5 mx1c1.comcast.net.
5 mx2h1.comcast.net.
5 mx1h1.comcast.net.
5 mx2a1.comcast.net.
5 mx1a1.comcast.net.
5 mx2c1.comcast.net.

TXT

6 record(s)
"google-site-verification=KqEt_C6gzuYBzr08xM7T6e5yXNmsxUAMu8ZtNQejaCs"
"google-site-verification=jbytp59dW82AQqr9wK5V9-uZhr0wXrCJ7n9U3mUilQg"
"v=spf1 -all"
"_j1ncje2qqdf6r89itljcpdy9ybjj8w3"
"apple-domain-verification=XqlyQica-2VyxgDz4zdPt1gCVxZ9oHyW13971aF8rbY"
"google-site-verification=TdiYkU4LcqtDvZoxDOjjUQwrrUnjS0wTKriu25iH-38"

NS

5 record(s)
dns103.comcast.net.
dns105.comcast.net.
dns101.comcast.net.
dns102.comcast.net.
dns104.comcast.net.

SOA

1 record(s)
dns101.comcast.net. dnsadmin.comcast.net. 2015042308 7200 3600 604800 900

CAA

0 record(s)
—

Not configured

DS

1 record(s)
41802 13 2 3A127791B7DBAFE2C2284D637C743E297030089C28F01B40B3503882 EEA02878

DNSKEY

2 record(s)
257 3 13 27t+zc0aSKvSl6t/F12zvdjCOa2io6FQ7borG5GWxuWNdcpPy18RqndB coVtmjkqevtIQhzKCj8C595cinUCqQ==
256 3 13 AMlMO94GOoP/RPzSxCSFmKdviQ+E9B40X9IZuvnNr8KtAvdpNqE+ft8w GZzKzek8KoqqbnQYwcgUrT/73r84lA==

RRSIG

3 record(s)
SOA 13 2 7200 20260812170256 20260805135756 58223 xfinity.com. iZGXFCLxTYohhHGMvvREI+I2LCKVX4ik4btQKkTF1purmTwCQuooMIoj jX2Zfs6gS3SDW8lhbOq8iPrC1tcnOQ==
DS 13 2 86400 20260814031141 20260807020141 41446 com. GpiobyyDyuBSWljoc1RVmVuWgT/kjirVO5D94yhxyPpJ4XEzdV00vYyf DQxHQcQCS/OaPkGxuuX365skL8Hqkw==
MX 13 2 7200 20260812170256 20260805135756 58223 xfinity.com. nLSCpR6sKiTsefsol9XoGaSIK/1dTg6sNMLRQsCOmY3CfwX8tuV99Uma H4yQWP80T7RTdpA3qJBYi0AfayOOuw==

NSEC

1 record(s)
_397c23e0f96e041f74061d61df9c41d3.xfinity.com. A NS SOA MX TXT AAAA RRSIG NSEC DNSKEY

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 -all

DMARC

Configured
v=DMARC1;p=reject;rua=mailto:dmarc-rua@dmarctest.comcast.net

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Access Denied
Description
Final URL
https://www.xfinity.com/
HTTP status
403

HTTP

Status
HTTP/2 403
Final URL
https://www.xfinity.com/
Version
3
Server
BigIP
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Sectigo Limited
CN
xfinity.com
Valid from
2026-03-30T19:00:00-05:00
Valid until
2026-10-15T18:59:59-05:00
Days remaining
67
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES256-GCM-SHA384

Security headers

1 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
—
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

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
96.99.240.155
37,07 ms
Cloudflare
1.1.1.1
96.99.240.155
73,28 ms
Quad9
9.9.9.9
96.99.240.155
62,09 ms
OpenDNS
208.67.222.222
96.99.240.155
99,85 ms
AdGuard
94.140.14.14
96.99.240.155
127,46 ms

IP, geolocation and ASNAssociated network information

96.99.240.155

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

mx1c1.comcast.net

Port 25: Closed/unreachable - 0.7 ms - 
Port 465: Closed/unreachable - 4017.2 ms - 
Port 587: Closed/unreachable - 4028.9 ms -

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