Domain technical report
Science and Math News | Quanta Magazine
quantamagazine.org
Illuminating mathematics, physics, biology and computer science research through public service journalism.
IPv41
IPv60
MX2
NS2
Analyze any domain
Get a complete DNS, email, SSL, HTTP and network analysis in seconds.
83
Total
75
DNS
90
Email
84
Security
50
Network
100
Availability
Domainquantamagazine.org
IPv41
IPv60
MX records2
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)30 / 30 pts · Dns
1 IPv4 address(es) detected.
IPv6 (AAAA)0 / 10 pts · Dns
0 IPv6 address(es) detected.
Name server redundancy20 / 20 pts · Dns
2 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
2 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
41 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers19 / 35 pts · Security
5 of 9 evaluated headers detected.
PTR reverse DNS30 / 30 pts · Network
PTR: ec2-52-71-21-243.compute-1.amazonaws.com
IPv4 diversity20 / 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
1 record(s)52.71.21.243
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
2 record(s)10 mxb-00672b01.gslb.pphosted.com. 10 mxa-00672b01.gslb.pphosted.com.
TXT
6 record(s)"google-site-verification=AWJ_9YrJEokLliO4GsxoaApnllLbyNb-ZCGTyKRrcwY" "facebook-domain-verification=0klbvdiwyu29r8atxu2upwe0mkanlm" "v=spf1 include:spf-00672b01.pphosted.com include:_spf.google.com include:_phishspf.knowbe4.com include:mail.zendesk.com ~all" "adobe-idp-site-verification=2b9c017d82c08ecebbdf9da4fcefc51888136210837e7305f7786230c2b17eb3" "apple-domain-verification=fs3inIi7tSWOzKZN" "google-site-verification=sYhcDqYygO-znCaXzGZK5F_hbRvPrrfIyUrol7jYQuI"
NS
2 record(s)kim.ns.cloudflare.com. gabe.ns.cloudflare.com.
SOA
1 record(s)gabe.ns.cloudflare.com. dns.cloudflare.com. 2411354253 10000 2400 604800 1800
CAA
11 record(s)0 issuewild "comodoca.com" 0 issuewild "ssl.com" 0 issuewild "digicert.com; cansignhttpexchanges=yes" 0 issue "pki.goog; cansignhttpexchanges=yes" 0 issue "ssl.com" 0 iodef "mailto:cloud-admins@simonsfoundation.org" 0 issuewild "letsencrypt.org" 0 issue "digicert.com; cansignhttpexchanges=yes" 0 issue "comodoca.com" 0 issuewild "pki.goog; cansignhttpexchanges=yes" 0 issue "letsencrypt.org"
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 include:spf-00672b01.pphosted.com include:_spf.google.com include:_phishspf.knowbe4.com include:mail.zendesk.com ~all
DMARC
Configuredv=DMARC1; p=reject; pct=100; fo=1; rf=afrf; ri=3600; rua=mailto:cc0ca089@inbox.ondmarc.com; ruf=mailto:cc0ca089@inbox.ondmarc.com;
DKIM
Selector googlev=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCbB/H4f5xaguZRbtJgRVBJFa9rTGS1toMlqpJ1HzFWGnkE+HFq6sXimz+JF0HOC9gdGqKx8ZdUakH/Vo6o984Wq8EzZqaQo+CdVBOP95GwHYzYUGpb5mmRO2covLWMZuzHA3WIBueh0DXWSa5M2KHikTTGqnWgJfBf3N3tSUB82wIDAQAB
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Science and Math News | Quanta Magazine
Description
Illuminating mathematics, physics, biology and computer science research through public service journalism.
Final URL
https://www.quantamagazine.org/
HTTP status
206
HTTP
Status
HTTP/2 200
Final URL
https://www.quantamagazine.org/
Version
3
Server
cloudflare
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Let's Encrypt
CN
quantamagazine.org
Valid from
2026-06-22T04:44:10-05:00
Valid until
2026-09-20T04:44:09-05:00
Days remaining
41
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
5 activeHSTSImplemented
Content Security PolicyNot detected
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
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.852.71.21.243
53,50 ms
Cloudflare
1.1.1.152.71.21.243
26,29 ms
Quad9
9.9.9.952.71.21.243
49,66 ms
OpenDNS
208.67.222.22252.71.21.243
55,50 ms
AdGuard
94.140.14.1452.71.21.243
172,83 ms
IP, geolocation and ASNAssociated network information
52.71.21.243
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
mxb-00672b01.gslb.pphosted.com
Port 25: Closed/unreachable - 28.5 ms - Port 465: Closed/unreachable - 21.7 ms - Port 587: Closed/unreachable - 45.1 ms -