Domain technical report
cas.go.jp
cas.go.jp
IPv40
IPv60
MX1
NS4
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33
Total
45
DNS
90
Email
0
Security
0
Network
20
Availability
Domaincas.go.jp
IPv40
IPv60
MX records1
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)0 / 30 pts · Dns
0 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 chain15 / 15 pts · Dns
DS and DNSKEY detected.
CAA policy0 / 5 pts · Dns
Certificate authority restriction.
DNS propagation0 / 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.
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 certificate0 / 55 pts · Security
No valid certificate was retrieved.
Certificate lifetime0 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers0 / 35 pts · Security
0 of 9 evaluated headers detected.
PTR reverse DNS0 / 30 pts · Network
PTR not detected.
IPv4 diversity0 / 35 pts · Network
Two or more IPv4 addresses receive full points.
IPv6 connectivity0 / 35 pts · Network
AAAA availability.
DNS resolution0 / 40 pts · Availability
At least one address family must resolve.
HTTP response0 / 40 pts · Availability
No successful HTTP response.
HTTPS final URL20 / 20 pts · Availability
Final URL uses HTTPS.
DNS and emailPublished records and email configuration
A
0 record(s)—
Not configured
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
1 record(s)0 cas-go-jp.mail.protection.outlook.com.
TXT
3 record(s)"MS=ms66331032" "v=spf1 include:spf.securemx.jp. ip4:163.43.136.144 ip4:153.125.144.143 include:spf.protection.outlook.com -all" "MS=F656C5C7043664BB3B1C3E37F0C63D6529B43877"
NS
4 record(s)ns-1841.awsdns-38.co.uk. ns-1015.awsdns-62.net. ns-1193.awsdns-21.org. ns-186.awsdns-23.com.
SOA
1 record(s)ns-1015.awsdns-62.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
0 record(s)—
Not configured
DS
1 record(s)60841 13 2 92A68A91251C32B7B8EA7835B47DCABA05923F2BC867A191AE2C1E16 9A724ADF
DNSKEY
3 record(s)256 3 13 dwlkaE2Long3dkSHSxV775Uc19+Y4BAteZXlTNPARuAQv12yLfbjByAI Pul6Tm8fZ868lpahHiferkxHfRQ3CA== 256 3 13 iS0AGlGrZGGmYd7rFvGNAKpyBhRmJ1lixzIj6Np4H9R+nD1LALOS8hRk XzFndHpARS0Q2cLYIwC+wNOADrCzVw== 257 3 13 XU0+0p42VS4QxkCGy98HufHP7LbpZH05Cf96te1aXgi9MC9jk4fnr5UE nxf/mwGgJZNRYljDZCUN3lnpzXoZsQ==
RRSIG
5 record(s)SOA 13 3 900 20260810080350 20260810054850 63256 cas.go.jp. kY9TdzyqWn0pMiVYobIGuBdUfWFxw2jKCkeZg6E0pI4IBFgXv3eZaHc1 JHYMX0UhD0LDWmm1N4fCDm+XDJKQYw== NS 13 3 172800 20260812074850 20260810054850 63256 cas.go.jp. OrLQGHl705JgHx1ocB5W2Cc2NC+6FnuDEIoNp7Zz8aDbCZGMHVoXsFIm L8ViauEHDVbA41HVwjmf0TtR8t4Kqw== TXT 13 3 300 20260810075349 20260810054849 63256 cas.go.jp. NRoEOfe6hufKUQTHoDMYQW1s8ntcCcD+c8ISpli5bH3sZPVWquyKux1H yr4Op5BSQY5UiPo9GKPvF5lc+5wJkw== MX 13 3 300 20260810075349 20260810054849 63256 cas.go.jp. Fdrx9Np7F1dk7gIPescLeRWbWmznpKnHdLY4R6r/y0U+eZq/XBUtoVLC 7JpJI4MpVCe/eqfoa82FBLW9TbTlyA== DS 8 3 7200 20260907174503 20260808174503 11529 jp. UDVjsZOxihY8aFNscyWw16tAEj7T7Q4qfSeoeZG41skS6d05hNK9JgG4 m1AKYaVGDeTO0riWDTpZrtGLiZ+VYoVXzzA2L439aVC0vQEg0iuPqlKR kEOjk0C9Et6ik4cJAYeAzBnu7bAgoGHunZsJiaBJna8BTL5hZgyuGI1y YI8=
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.securemx.jp. ip4:163.43.136.144 ip4:153.125.144.143 include:spf.protection.outlook.com -all
DMARC
Configuredv=DMARC1; p=none; pct=100; rua=mailto:rua-report@cas.go.jp; ruf=mailto:ruf-report@cas.go.jp
DKIM
Selector selector1v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9HLrmrWaGfQrPH3bC7dWqERSAI428Pz581Nup7LFX81G5MNcRxbDrY4jtozOeBeuyF1cSBcr5ZMNt935EzilVruVXsHC15g0DwdcWt/0EfPlO4EPjIuRZHTd6so+SBZ2Cq6AXWJxViklE7mV1KI8atT2NCREenfzxYJlElDJ1c3ee3F0kpvthUXciWWKdgl/fxbT6UTV/qhDFZFqfLhCq6ImSREiF/ETWb2nG8kQQ49kEiZqrhjND9FCsxa1acBLM0au5lEzunF9v0tZ7A4E89GaCsTWg2dGjTdplrQ1v1vd/hiSfQdjU6WDIjlcmVNgNxGubgMnr3LRh/JwjjqrOQIDAQAB;
Analyzed webpageMetadata and HTTP response
Title and description
No dataTitle
Description
Final URL
https://cas.go.jp/
HTTP status
HTTP
Status
Final URL
https://cas.go.jp/
Version
0
Server
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
UnavailableAvailable
No
Issuer
CN
Valid from
Valid until
Days remaining
Protocol
Cipher
Security headers
0 activeHSTSNot detected
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
ReviewDifferences detected
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.846,20 ms
Cloudflare
1.1.1.152,64 ms
Quad9
9.9.9.927,00 ms
OpenDNS
208.67.222.22275,37 ms
AdGuard
94.140.14.14138,23 ms
IP, geolocation and ASNAssociated network information
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
cas-go-jp.mail.protection.outlook.com
Port 25: Closed/unreachable - 32.6 ms - Port 465: Closed/unreachable - 4036.9 ms - Port 587: Closed/unreachable - 4052 ms -