rub-lab.com - dns.ninja
rub-lab.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=1784926297 | ||||||
PTR for
Subdomains
Same first word
rub-lab.com |
Similar names
DNS History
7 records (6 active, 1 former)
●NSdomain.name-server.jp2015-07-16 → 2026-07-24 · 2 obs
● 2026-07-24 21:08:12
●NSroot.name-server.jp2015-07-16 → 2026-07-24 · 2 obs
● 2026-07-24 21:08:12
●MXmail.rub-lab.com2015-07-16 → 2026-07-24 · 2 obs
● 2026-07-24 21:08:12
●MXms64939585.msv1.invalid2026-02-22 → 2026-07-24 · 3 obs
● 2026-02-22 19:02:14
● 2026-07-24 21:08:12
●MXrublab-com0i.mail.protection.outlook.com2026-02-22 → 2026-07-24 · 3 obs
● 2026-02-22 19:02:14
● 2026-07-24 21:08:12
○A103.14.12.1042015-07-16 → 2017-04-08 · 4 obs
● 2017-04-08 11:35:12
○ 2026-02-22 19:02:14
○ 2026-07-24 21:08:12
●A52.175.159.2372026-02-22 → 2026-07-24 · 3 obs
● 2026-02-22 19:02:14
● 2026-07-24 21:08:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net... | - |
| rub-lab.com | domain.name-server.jp, root.name-server.jp | - |
✅ Authoritative Response
Server:103.14.14.164
NS records: domain.name-server.jp, root.name-server.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rub-lab.com (unsigned zone)
⏱️ Timing
Total: 1152ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.175.159.237 |
| NS | 2 | domain.name-server.jp, root.name-server.jp |
| MX | 3 | rublab-com0i.mail.protection.outlook.com, mail.rub-lab.com (pri: 100)... |
| TXT | 7 | _globalsign-domain-verification=sSNDz_eK, _globalsign-domain-verification=2dzEAdo9... |
| SOA | 1 | domain.name-server.jp postmaster.rub-lab |
Analysis
Hierarchy
rub-lab.com serves as the parent of mail.rub-lab.com and go.rub-lab.com.
IP Addresses
rub-lab.com has exactly one IP address — 52.175.159.237.
Name Servers
rub-lab.com uses two name servers for its delegation: domain.name-server.jp and root.name-server.jp.
The name server configuration of rub-lab.com is shared with other domains, for instance kyodoyokohama.com, prinet1.com, chiroro.jp and two others.
rub-lab.com has at least partial name server overlap with other domains, such as xebec-net.co.jp, kiui.ac.jp, abilive.vn and two others.
It is common to find these name servers paired with the name servers nsk01.name-server.jp.
domain.name-server.jp directs to 103.14.14.164 and root.name-server.jp directs to 211.125.109.98; each host name points to exactly one IP number.
Mail Servers
rub-lab.com has three mail servers: mail.rub-lab.com, ms64939585.msv1.invalid and rublab-com0i.mail.protection.outlook.com.
Host names resolving to a single IP address:
mail.rub-lab.com has the IP address 103.14.12.104.
Hosts with 8 IP addresses each:
Hostname rublab-com0i.mail.protection.outlook.com directs to 52.101.124.0, 52.101.124.1 and 52.101.124.5 along with 5 other IP addresses.