`freestylelibre3.pt`

DNSSEC	⚠️ Not signed
NS	`rossns2.abbott.com` ⭐
		A	20.64.178.77^{🇺🇸 Microsoft20.64.0.0/10}
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`
		A	74.179.85.156^{🇺🇸 Microsoft74.176.0.0/14}
TXT	`v=spf1 -all`
SOA	`rossns.abbott.com`dnsdomainadminstrator@sjm.com serial=25

`pt`

	DNSSEC	🔒 Signed (DS record present)
	NS	`curiosity.dns.pt` ⭐
	NS	`a.dns.pt`
	NS	`b.dns.pt`
	NS	`c.dns.pt`
	NS	`d.dns.pt`
	NS	`e.dns.pt`
	NS	`g.dns.pt`
	NS	`h.dns.pt`
	NS	`ns.dns.br`
	NS	`ns2.nic.fr`
	SOA	`curiosity.dns.pt`request@dns.pt 2026-08-04 #6

Same first word

DNS History

4 records (4 active, 0 former)

●NSabtnsdmz1.abbott.com2026-06-04 → 2026-08-04 · 2 obs

● 2026-06-04 04:25:46
● 2026-08-04 03:11:34

●NSabtnsdmz2.abbott.com2026-06-04 → 2026-08-04 · 2 obs

● 2026-06-04 04:25:46
● 2026-08-04 03:11:34

●NSrossns.abbott.com2026-06-04 → 2026-08-04 · 2 obs

● 2026-06-04 04:25:46
● 2026-08-04 03:11:34

●NSrossns2.abbott.com2026-06-04 → 2026-08-04 · 2 obs

● 2026-06-04 04:25:46
● 2026-08-04 03:11:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pt	a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt...	18 records
freestylelibre3.pt	abtnsdmz1.abbott.com, rossns.abbott.com, rossns2.abbott.com, abtnsdmz2.abbott.com	-

✅ Authoritative Response

Server:74.179.85.156

NS records: abtnsdmz1.abbott.com, rossns.abbott.com, rossns2.abbott.com, abtnsdmz2.abbott.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for freestylelibre3.pt (unsigned zone)

⏱️ Timing

Total: 756ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`rossns2.abbott.com, rossns.abbott.com`
TXT	1	`v=spf1 -all`
SOA	1	`rossns.abbott.com dnsdomainadminstrator.`

📌 Glue Records Collected

Total: 18

In-bailiwick: 14 (a.dns.pt, b.dns.pt, c.dns.pt...)

Out-of-bailiwick: 4 (ns.dns.br, ns2.nic.fr, ns.dns.br...)

Analysis

Name Servers

freestylelibre3.pt has four authoritative name servers: abtnsdmz1.abbott.com, abtnsdmz2.abbott.com, rossns2.abbott.com and rossns.abbott.com.

There is at least partial name server overlap between freestylelibre3.pt and other domains — pharma.com.py, abbottnutritionelecare.com, pediasurepro.com 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.

Host names pointing to 74.179.85.156 IP addresses: abtnsdmz1.abbott.com and rossns.abbott.com.

Host names pointing to 20.64.178.77 IP addresses: abtnsdmz2.abbott.com and rossns2.abbott.com.

freestylelibre3.pt - robtex.com