DNS Record Lookup

Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain

Hosting & Network

optage.co.jp runs on AS17511, with email via Microsoft 365.

Hosting network
AS17511AS17511
Managed DNS
Self-hosted / other
Email
Microsoft 365
IPv6 (AAAA)
Enabled
CAA pinning
None

Sits alongside 452 other sites on AS17511. Stable here since we started watching (Aug 1, 2026).

DNS Records for optage.co.jp

HostnameTypeTTLPriorityContent
optage.co.jpA060.56.6.142
optage.co.jpAAAA02001:ce8:0:1101:1::1
optage.co.jpSOA1200ns1.eonet.ne.jp postmaster.eonet.ne.jp 2024023161 10800 3600 2592000 1200
optage.co.jpNS0ns7.eonet.ne.jp
optage.co.jpNS0ns1.eonet.ne.jp
optage.co.jpMX010optage-co-jp.mail.protection.outlook.com
optage.co.jpTXT0openai-domain-verification=dv-MRBuky463Y6efYcQ8G9q95Bu
optage.co.jpTXT0openai-domain-verification=07683505
optage.co.jpTXT0pardot147271=8a2aef8f2dbcab7ffea44e6c82da4958612b97a08a99dff576d575bbe8d43eb2
optage.co.jpTXT0apple-domain-verification=C6hLfEfPlbPoYRq9
optage.co.jpTXT0google-site-verification=0bMj_URhnlPLBM75hdywXDkZhiaFzxsNVU4da7o4njE
optage.co.jpTXT0apple-domain-verification=zc91G7yaTVnt1RZj
optage.co.jpTXT0A43ITfqCHNfB/Dc+3TArg3fUBlLwPvKLqF59fnIaE9rdTj7NXUNE88izmiEHinJhGnC2Wqp0Tu5cT4Q/Cnvzsw==
optage.co.jpTXT0v=spf1 ip4:210.141.159.184 ip4:210.141.158.0/24 ip4:203.140.81.0/24 ip4:60.56.6.192/26 ip4:61.205.115.0/24 ip4:58.191.129.0/24 +ip4:59.190.154.0/24 ip6:2001:ce8:0::/48 ip4:121.87.120.114 ip4:121.87.120.118 ip4:133.88.4.202 ip4:218.223.84.146 ip4:121.86.205.6 ip4:121.87.52.7 ip4:210.229.179.170 ip4:124.146.170.8 include:aspmx.pardot.com include:spf.protection.outlook.com include:_spf.axlbox.com include:_prspf5n.guardianwall.jp include:_spf.jcareers.com include:_mailspf2.eonet.ne.jp ~all
optage.co.jpTXT0MS=982F272B1578D4F41E835F16EB67C991D4762DAB
optage.co.jpTXT0sending_domain1029601=ba995238f4c92c6ebccf81b269dcc5161dcc3d394cceafa3d33d2ce2f8074de6
optage.co.jpTXT0sending_domain147271=d7ba6062a1e3a7ae14e76e57cac165e51cefd86e0a166517f106404b093823a2
optage.co.jpTXT0pardot1029601=af4430778eef4b9d57b2f6a1c8bd44bc488322b1c361357b35e36ee688e1a509
optage.co.jpTXT0box-domain-verification=#3553443
optage.co.jpTXT0miro-verification=ffc824dc258baa9529e00a19a85f46e889e7faa2
optage.co.jpTXT0google-site-verification=c9Wfk4-awrivxG97tT-U5p6qENb38iCyX-Yc3_lyLF0
optage.co.jpTXT0MS=ms94959130
optage.co.jpTXT0google-site-verification=4ZBw3H8iY5lVJnzL1o3xjpZ5APMMwoKlLmvFgOmX_9w

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 optage.co.jp

Beta

Answers use the live DNS records shown on this page. AI-generated — double-check anything important.

Get alerted the moment optage.co.jp's DNS changes

This page is today's snapshot. Turn on monitoring and we'll watch optage.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.

Monitor DNS free

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