office-mco.com - robtex.com
office-mco.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1783156136 | ||||||
Same first word
office-mco.com |
office-mco.co.jp |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns001-mmalii4yucwe4quz.m.d-53.info2026-05-16 → 2026-07-04 · 2 obs
● 2026-07-04 09:16:32
●NSns001-mmalii4yucwe4quz.m.d-53.jp2026-05-16 → 2026-07-04 · 2 obs
● 2026-07-04 09:16:32
●NSns001-mmalii4yucwe4quz.m.d-53.org2026-05-16 → 2026-07-04 · 2 obs
● 2026-07-04 09:16:32
●MXmx.securemx.jp2026-05-16 → 2026-07-04 · 2 obs
● 2026-07-04 09:16:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net... | - |
| office-mco.com | ns001-mmalii4yucwe4quz.m.d-53.info, ns001-mmalii4yucwe4quz.m.d-53.jp, ns001-mmalii4yucwe4quz.m.d-53.org | - |
✅ Authoritative Response
Server:202.32.219.32
NS records: ns001-mmalii4yucwe4quz.m.d-53.info, ns001-mmalii4yucwe4quz.m.d-53.jp, ns001-mmalii4yucwe4quz.m.d-53.org
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1033ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns001-mmalii4yucwe4quz.m.d-53.info, ns001-mmalii4yucwe4quz.m.d-53.jp... |
| MX | 1 | mx.securemx.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spf.securemx.jp -all |
| SOA | 1 | ns000.d-53.net dns-managers.iij.ad.jp |
Analysis
Name Servers
The domain office-mco.com is delegated to these four name servers: ns000.d-53.net, ns001-mmalii4yucwe4quz.m.d-53.info, ns001-mmalii4yucwe4quz.m.d-53.jp and ns001-mmalii4yucwe4quz.m.d-53.org.
There is at least partial name server overlap between office-mco.com and other domains — med.kitasato-u.ac.jp, tokyorope.jp, to-solutions.co.jp and two more among them.
These name servers regularly appear alongside dns-b.iij.ad.jp, dns-c.iij.ad.jp, rev.iij-dns.jp and 7 other name servers in NS record sets.
ns001-mmalii4yucwe4quz.m.d-53.info, ns001-mmalii4yucwe4quz.m.d-53.jp and ns001-mmalii4yucwe4quz.m.d-53.org all resolve to exactly two IP numbers apiece: ns001-mmalii4yucwe4quz.m.d-53.info → 202.32.219.32 and 2001:240:bb81::28:32; ns001-mmalii4yucwe4quz.m.d-53.jp → 203.180.146.92 and 2001:240:bb81::29:1092; ns001-mmalii4yucwe4quz.m.d-53.org → 210.138.20.92 and 2001:240:bb81::29:92.
Mail Servers
office-mco.com routes its mail through a single mail server, mx.securemx.jp.
office-mco.com has the same mail server arrangement as a number of other domains, for example asc.airman.co.jp, mino-thai.com, cosmicmart.net and two more.
office-mco.com shares at least some of its mail servers with other domains — for example n-ssi.co.jp, geosurf.net, saa.or.jp and two more.
It is common to find these mail servers paired with the mail servers mx6.securemx.jp.
The host mx.securemx.jp directs to four IP numbers: 210.130.202.92, 210.130.202.93, 210.130.202.96 and 210.130.202.99.