nsubusiness.com - robtex.com
nsubusiness.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns20.portalwebhosting.com ⚠️ Not in zone NS records | ||||||
| A | 66.35.110.40🇺🇸 Northern_Valley_Communications66.35.104.0/21 | ||||||
| PTR | ns20.portalwebhosting.com | ||||||
| NS | ns21.portalwebhosting.com ⚠️ Not in zone NS records | ||||||
| A | 66.35.110.41🇺🇸 Northern_Valley_Communications66.35.104.0/21 | ||||||
| PTR | ns21.portalwebhosting.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=1786797714 | ||||||
Previously MX for
nsubusiness.com |
Same first word
nsubusiness.com |
Similar names
DNS History
4 records (2 active, 2 former)
●NSns20.portalwebhosting.com2018-01-24 → 2026-08-15 · 2 obs
● 2026-08-15 12:53:32
●NSns21.portalwebhosting.com2018-01-24 → 2026-08-15 · 2 obs
● 2026-08-15 12:53:32
○MXnsubusiness.com2018-01-24 → 2018-01-24 · 3 obs
○ 2026-04-10 06:03:32
○ 2026-08-15 12:53:32
○A66.35.110.742018-01-24 → 2018-01-24 · 3 obs
○ 2026-04-10 06:03:32
○ 2026-08-15 12:53:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| nsubusiness.com | ns20.portalwebhosting.com, ns21.portalwebhosting.com | 2 records |
✅ Authoritative Response
Server:66.35.110.40
NS records: ns20.portalwebhosting.com, ns21.portalwebhosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nsubusiness.com (unsigned zone)
⏱️ Timing
Total: 283ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns20.portalwebhosting.com, ns21.portalwebhosting.com)
Analysis
Name Servers
Two name servers handle the delegation for nsubusiness.com: ns20.portalwebhosting.com and ns21.portalwebhosting.com.
nsubusiness.com shares its name server setup with other domains, including agramrealty.com, oldbanklodge.com, aquatar.com and two others.
At least some of nsubusiness.com's name servers are shared with other domains, for example companymd.com and hub111.com.
These name servers tend to be deployed in combination with the name servers ns2642.ztomy.com and ns1642.ztomy.com.
Each of ns20.portalwebhosting.com and ns21.portalwebhosting.com has one IP address: ns20.portalwebhosting.com uses 66.35.110.40 and ns21.portalwebhosting.com uses 66.35.110.41.