Domain technical report
Joel on Software
joelonsoftware.com
A weblog by Joel Spolsky, a programmer working in New York City, about software and software companies.
IPv42
IPv60
MX1
NS4
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68
Total
70
DNS
45
Email
69
Security
35
Network
100
Availability
Domainjoelonsoftware.com
IPv42
IPv60
MX records1
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)30 / 30 pts · Dns
2 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
1 MX record(s).
SPF25 / 25 pts · Mail
SPF policy published.
DMARC0 / 25 pts · Mail
DMARC policy not found.
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
85 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers4 / 35 pts · Security
1 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 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
2 record(s)199.16.172.204 199.16.173.181
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
1 record(s)10 mxny1.fogcreek.com.
TXT
1 record(s)"v=spf1 mx mx:nsp11.fogcreek.com ip4:207.99.73.234 -all"
NS
4 record(s)ns2nsw.name.com. ns3flt.name.com. ns4hmp.name.com. ns1mtw.name.com.
SOA
1 record(s)ns1.name.com. hostmaster.nsone.net. 1579060898 7200 3600 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
Configuredv=spf1 mx mx:nsp11.fogcreek.com ip4:207.99.73.234 -all
DMARC
Not configured—
Not configured
DKIM
Not found—
Not configured
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Joel on Software
Description
A weblog by Joel Spolsky, a programmer working in New York City, about software and software companies.
Final URL
https://www.joelonsoftware.com/
HTTP status
200
HTTP
Status
HTTP/2 200
Final URL
https://www.joelonsoftware.com/
Version
3
Server
nginx
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Google Trust Services
CN
tls.automattic.com
Valid from
2026-08-04T10:19:08-05:00
Valid until
2026-11-02T09:19:07-06:00
Days remaining
85
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256
Security headers
1 activeHSTSImplemented
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
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8199.16.172.204, 199.16.173.181
34,55 ms
Cloudflare
1.1.1.1199.16.172.204, 199.16.173.181
32,25 ms
Quad9
9.9.9.9199.16.172.204, 199.16.173.181
66,30 ms
OpenDNS
208.67.222.222199.16.172.204, 199.16.173.181
104,56 ms
AdGuard
94.140.14.14199.16.172.204, 199.16.173.181
74,05 ms
IP, geolocation and ASNAssociated network information
199.16.172.204
No datasuccess
No
country
region
city
asn
organization
isp
199.16.173.181
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
mxny1.fogcreek.com
Port 25: Closed/unreachable - 17.3 ms - Port 465: Closed/unreachable - 15.9 ms - Port 587: Closed/unreachable - 0.9 ms -