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83
Total
70
DNS
90
Email
84
Security
55
Network
100
Availability
Domainhanselman.com
IPv41
IPv61
MX records7
StatusActive
Domain technical report

Scott Hanselman - Coder, Blogger, Teacher, Speaker, Author

hanselman.com

Scott Hanselman is a programmer, teacher, speaker, technologist, podcaster, writer, inclusion advocate and more.

Generated: 2026-08-10T04:34:31-05:00 · Cached result

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IPv41
IPv61
MX7
NS4

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

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 propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

7 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

22 day(s) remaining.

i
Certificate lifetime6 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers23 / 35 pts · Security

6 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

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 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)
150.171.110.209

AAAA

1 record(s)
2603:1061:14:1d2::1

CNAME

0 record(s)
—

Not configured

MX

7 record(s)
30 aspmx3.googlemail.com.
20 alt2.aspmx.l.google.com.
30 aspmx5.googlemail.com.
20 alt1.aspmx.l.google.com.
10 aspmx.l.google.com.
30 aspmx2.googlemail.com.
30 aspmx4.googlemail.com.

TXT

2 record(s)
"google-site-verification=K2QXBpI8GluszUnMV9uZMFI9Y_AGsTXUiHejSm1FrMo"
"v=spf1 include:_spf.google.com ~all"

NS

4 record(s)
ns1.dnsimple-edge.com.
ns4.dnsimple-edge.org.
ns3.dnsimple-edge.io.
ns2.dnsimple-edge.net.

SOA

1 record(s)
ns1.dnsimple-edge.com. admin.dnsimple.com. 2013021990 86400 7200 604800 300

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:_spf.google.com ~all

DMARC

Configured
v=DMARC1; p=quarantine; rua=mailto:webmaster@hanselman.com; ruf=mailto:webmaster@hanselman.com; fo=1;

DKIM

Selector google
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCHqDkvGmYE6wiUKeOIBMIRLAXcpNVZWFAI17DUSNhSC2dtEMdfTth0fmFqcoT0KOLs/XXGIrrgfb08JZhHAL0Emc8vvufRDZ3XBh7B1yYMSb6TIOwFRLrVcqJhBzTu13WRRWXuYfHjdE4ClXrVFvq/wGaIvzxoTWWycgpb5KCw5wIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Scott Hanselman - Coder, Blogger, Teacher, Speaker, Author
Description
Scott Hanselman is a programmer, teacher, speaker, technologist, podcaster, writer, inclusion advocate and more.
Final URL
https://www.hanselman.com/
HTTP status
200

HTTP

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

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
hanselman.com
Valid from
2026-02-28T18:00:00-06:00
Valid until
2026-09-01T18:59:59-05:00
Days remaining
22
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

6 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
✓
Permissions PolicyImplemented
—
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
150.171.110.209
103,21 ms
Cloudflare
1.1.1.1
150.171.110.211
25,33 ms
Quad9
9.9.9.9
150.171.110.209
26,26 ms
OpenDNS
208.67.222.222
150.171.110.211
79,34 ms
AdGuard
94.140.14.14
150.171.109.17
66,86 ms

IP, geolocation and ASNAssociated network information

150.171.110.209

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

aspmx3.googlemail.com

Port 25: Closed/unreachable - 1 ms - 
Port 465: Closed/unreachable - 4019.5 ms - 
Port 587: Closed/unreachable - 4020.8 ms -

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