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82
Total
85
DNS
70
Email
81
Security
70
Network
100
Availability
Domainskype.com
IPv45
IPv65
MX records1
StatusActive
Domain technical report

skype.com

skype.com

Generated: 2026-08-08T18:02:35-05:00 · Cached result

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IPv45
IPv65
MX1
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

5 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

5 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 policy5 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 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.

!
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

87 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓
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

5 record(s)
20.112.250.133
20.231.239.246
20.76.201.171
20.236.44.162
20.70.246.20

AAAA

5 record(s)
2603:1030:c02:8::14
2603:1030:b:3::152
2603:1030:20e:3::23c
2603:1020:201:10::10f
2603:1010:3:3::5b

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
10 skype-com.mail.protection.outlook.com.

TXT

4 record(s)
"v=msv1 t=6097A7EA-53F7-4028-BA76-6869CB284C54"
"google-site-verification=R9lBFA5SoH0CKpHuBMa4akNqb8E8YF8fim8qpGF22mg"
"facebook-domain-verification=87pranlm54pxjnpg1lp1nc3bcanv3f"
"v=spf1 include:_spf-ssg-a.microsoft.com ip4:91.190.218.48 ip4:91.190.216.100 -all"

NS

4 record(s)
ns3-205.azure-dns.org.
ns2-205.azure-dns.net.
ns4-205.azure-dns.info.
ns1-205.azure-dns.com.

SOA

1 record(s)
ns1-205.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300

CAA

4 record(s)
0 issue "microsoft.com"
0 issue "globalsign.com"
0 issue "digicert.com"
0 contactemail "caarecordaware@microsoft.com"

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:_spf-ssg-a.microsoft.com ip4:91.190.218.48 ip4:91.190.216.100 -all

DMARC

Configured
v=DMARC1; p=reject; pct=100; rua=mailto:rua@dmarc.microsoft,mailto:skype@rua.netcraft.com; fo=1; ruf=mailto:rua@dmarc.microsoft,mailto:skype@ruf.netcraft.com;

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

No data
Title
Description
Final URL
https://skype.com/
HTTP status

HTTP

Status
HTTP/2 200
Final URL
https://teams.live.com/free?source=skype
Version
3
Server
Kestrel
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Microsoft Corporation
CN
videobreakdown.com
Valid from
2026-07-27T03:08:00-05:00
Valid until
2026-11-04T01:08:00-06:00
Days remaining
87
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

4 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
—
X-Frame-OptionsNot detected
—
Referrer PolicyNot detected
—
Permissions PolicyNot detected
✓
Cross-Origin-Opener-PolicyImplemented
—
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
20.112.250.133, 20.231.239.246, 20.236.44.162, 20.70.246.20, 20.76.201.171
24,85 ms
Cloudflare
1.1.1.1
20.112.250.133, 20.231.239.246, 20.236.44.162, 20.70.246.20, 20.76.201.171
19,76 ms
Quad9
9.9.9.9
20.112.250.133, 20.231.239.246, 20.236.44.162, 20.70.246.20, 20.76.201.171
23,65 ms
OpenDNS
208.67.222.222
20.112.250.133, 20.231.239.246, 20.236.44.162, 20.70.246.20, 20.76.201.171
25,20 ms
AdGuard
94.140.14.14
20.112.250.133, 20.231.239.246, 20.236.44.162, 20.70.246.20, 20.76.201.171
40,81 ms

IP, geolocation and ASNAssociated network information

20.112.250.133

No data
success
No
country
region
city
asn
organization
isp

20.231.239.246

No data
success
No
country
region
city
asn
organization
isp

20.76.201.171

No data
success
No
country
region
city
asn
organization
isp

20.236.44.162

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

skype-com.mail.protection.outlook.com

Port 25: Closed/unreachable - 21.5 ms - 
Port 465: Closed/unreachable - 4032.3 ms - 
Port 587: Closed/unreachable - 4020.1 ms -

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