DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
just-web.co.jp runs on AS131921, with email configured.
- Hosting network
- AS131921AS131921
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 4,999+ other sites on AS131921. Stable here since we started watching (Aug 4, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to just-web.co.jp.
DNS Records for just-web.co.jp
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| just-web.co.jp | NS | 0 | wx108.wadax-sv.jp | |
| just-web.co.jp | NS | 0 | nswx101.wadax-sv.jp | |
| just-web.co.jp | SOA | 10800 | wx108.wadax-sv.jp postmaster.jtechno.co.jp 2026080302 10800 3600 1209600 10800 | |
| just-web.co.jp | A | 0 | 153.123.7.41 | |
| just-web.co.jp | TXT | 0 | MS=04A3EF6F5B12443DBA72DA1CEDB32B1F539470E0 | |
| just-web.co.jp | TXT | 0 | MS=ms75438416 | |
| just-web.co.jp | TXT | 0 | v=spf1 +ip4:153.123.7.41 +include:_spf-sd.wadax-sv.jp ~all | |
| just-web.co.jp | MX | 0 | 10 | wxa102.wadax-sv.jp |
| www.just-web.co.jp | TXT | 0 | v=spf1 +ip4:153.123.7.41 +include:_spf-sd.wadax-sv.jp ~all | |
| www.just-web.co.jp | TXT | 0 | MS=ms75438416 | |
| www.just-web.co.jp | TXT | 0 | MS=04A3EF6F5B12443DBA72DA1CEDB32B1F539470E0 | |
| www.just-web.co.jp | A | 0 | 153.123.7.41 | |
| www.just-web.co.jp | SOA | 10800 | wx108.wadax-sv.jp postmaster.jtechno.co.jp 2026080302 10800 3600 1209600 10800 | |
| www.just-web.co.jp | NS | 0 | wx108.wadax-sv.jp | |
| www.just-web.co.jp | NS | 0 | nswx101.wadax-sv.jp | |
| www.just-web.co.jp | MX | 0 | 10 | wxa102.wadax-sv.jp |
| www.just-web.co.jp | CNAME | 0 | just-web.co.jp |
What's up with DNS →
Our daily roundup of the most interesting DNS changes across the web — hosting and CDN migrations, network moves, and security-config shifts.
Ask about just-web.co.jp
BetaAnswers use the live DNS records shown on this page. AI-generated — double-check anything important.
Get alerted the moment just-web.co.jp's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch just-web.co.jp continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
Free for your first domain: uptime, DNS, and certificate together. No credit card.
About DNS Records
DNS (Domain Name System) records are instructions that provide information about a domain, including its IP addresses, mail servers, and other services. Common record types include:
- SOA (Start of Authority) - Contains administrative information about the zone
- NS (Nameserver) - Specifies authoritative nameservers for the domain
- A (Address) - Maps a domain to an IPv4 address
- AAAA - Maps a domain to an IPv6 address
- CNAME (Canonical Name) - Creates an alias pointing to another domain
- MX (Mail Exchange) - Specifies mail servers for the domain