freestylelibre3.net - robtex.com
freestylelibre3.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | abtnsdmz1.abbott.com ⚠️ Not in zone NS records | ||||||
| A | 74.179.85.156🇺🇸 Microsoft74.176.0.0/14 | ||||||
| NS | abtnsdmz2.abbott.com ⚠️ Not in zone NS records | ||||||
| A | 20.64.178.77🇺🇸 Microsoft20.64.0.0/10 | ||||||
| NS | rossns.abbott.com ⚠️ Not in zone NS records | ||||||
| A | 74.179.85.156🇺🇸 Microsoft74.176.0.0/14 | ||||||
| NS | rossns2.abbott.com ⚠️ Not in zone NS records | ||||||
| A | 20.64.178.77🇺🇸 Microsoft20.64.0.0/10 | ||||||
net
| 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=1785954939 | ||||||
Same first word
DNS History
4 records (4 active, 0 former)
●NSabtnsdmz1.abbott.com2026-06-04 → 2026-08-05 · 2 obs
● 2026-08-05 18:52:44
●NSabtnsdmz2.abbott.com2026-06-04 → 2026-08-05 · 2 obs
● 2026-08-05 18:52:44
●NSrossns.abbott.com2026-06-04 → 2026-08-05 · 2 obs
● 2026-08-05 18:52:44
●NSrossns2.abbott.com2026-06-04 → 2026-08-05 · 2 obs
● 2026-08-05 18:52:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| freestylelibre3.net | rossns.abbott.com, rossns2.abbott.com, abtnsdmz1.abbott.com, abtnsdmz2.abbott.com | - |
✅ Authoritative Response
Server:20.64.178.77
NS records: rossns.abbott.com, rossns2.abbott.com, abtnsdmz1.abbott.com, abtnsdmz2.abbott.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for freestylelibre3.net (unsigned zone)
⏱️ Timing
Total: 381ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
Four name servers handle the delegation for freestylelibre3.net: abtnsdmz1.abbott.com, abtnsdmz2.abbott.com, rossns2.abbott.com and rossns.abbott.com.
There is at least partial name server overlap between freestylelibre3.net and other domains — libre-sense.pt, alere.com.tw, pedialytesport.es and two more among them.
Four hosts, two IP addresses: abtnsdmz1.abbott.com and rossns.abbott.com resolve to 74.179.85.156 and abtnsdmz2.abbott.com and rossns2.abbott.com resolve to 20.64.178.77.
Both abtnsdmz1.abbott.com and rossns.abbott.com resolve to 74.179.85.156 IP addresses each.
Both abtnsdmz2.abbott.com and rossns2.abbott.com resolve to 20.64.178.77 IP addresses each.