Domain technical report
ntt.co.jp
ntt.co.jp
IPv40
IPv60
MX1
NS3
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16
Total
30
DNS
20
Email
0
Security
0
Network
20
Availability
Domainntt.co.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
3 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
1 MX record(s).
SPF0 / 25 pts · Mail
SPF policy not found.
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 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 mx.securemx.jp.
TXT
0 record(s)—
Not configured
NS
3 record(s)ns020-ubvba5dtbdr3956m.u.d-53.net. ns020-ubvba5dtbdr3956m.u.d-53.info. ns020-ubvba5dtbdr3956m.u.d-53.jp.
SOA
1 record(s)ns000.d-53.net. dns-managers.iij.ad.jp. 381 3600 600 604800 900
CAA
0 record(s)—
Not configured
DS
0 record(s)—
Not configured
DNSKEY
2 record(s)257 3 13 I4Tk8ziTwf//ukTvh0rVwH5pb/TpkykEGAUFrQxoV5LHw6Jd4xDoLx5F NWsT5CtQ+53jiJLunI+8APgbgqJeeA== 256 3 13 /vqed5benqISTaG2u8B4GqjGnwuGwt1GNgucUsX0N+GnahZahOQO6SaI kwxGGczDjrXEaN3pOjO6dRc6nuZVpQ==
RRSIG
3 record(s)DNSKEY 13 3 43200 20260909005533 20260809005533 38804 ntt.co.jp. 6SqaqrcjflsOGURDPlOqX3eunsKYEToCB0IW5tSdgLTNJlY3tYbq0tXt uxQjAGJ3P3oFqVqcjx+h91i/6s+LhA== MX 13 3 43200 20260909005533 20260809005533 35434 ntt.co.jp. lDor7Ri+dSnIRIxmbM+ABva8289nPOIWbQ5SY229Fj7q3nAZmYvtzuSN iTcNmLjSKFPGmt79mDVTF382+JSCvA== NS 13 3 43200 20260909005533 20260809005533 35434 ntt.co.jp. NS/uIS+zuJKYmwlDRxxhEibvrTe+/72rxENxPmb4+pNxlN5kpm2qrG/7 KHOWm2A5Ov1pyPyqCiE1ccZ4/wf/Zg==
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
Not configured—
Not configured
DMARC
Not configured—
Not configured
DKIM
Not found—
Not configured
Analyzed webpageMetadata and HTTP response
Title and description
No dataTitle
Description
Final URL
https://ntt.co.jp/
HTTP status
HTTP
Status
Final URL
https://ntt.co.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
8.8.8.8119,96 ms
Cloudflare
1.1.1.1275,03 ms
Quad9
9.9.9.9132,42 ms
OpenDNS
208.67.222.222399,12 ms
AdGuard
94.140.14.14211,38 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
mx.securemx.jp
Port 25: Closed/unreachable - 187.8 ms - Port 465: Closed/unreachable - 752.3 ms - Port 587: Closed/unreachable - 803.8 ms -