`freestylelibre3.com.sg`

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}

`com.sg`

	DNSSEC	⚠️ Not signed
	NS	`ds.sgnic.sg` ⭐
	NS	`dsany2.sgnic.sg` ⚠️ Not in parent delegation
	NS	`dsany3.sgnic.sg` ⚠️ Not in parent delegation
	NS	`dsany4.sgnic.sg` ⚠️ Not in parent delegation
	NS	`pch.sgzones.sg` ⚠️ Not in parent delegation
	SOA	`ds.sgnic.sg`dna@sgnic.sg serial=2608100830

Same first word

DNS History

4 records (4 active, 0 former)

●NSabtnsdmz1.abbott.com2026-06-04 → 2026-08-10 · 2 obs

● 2026-06-04 04:17:52
● 2026-08-10 08:54:52

●NSabtnsdmz2.abbott.com2026-06-04 → 2026-08-10 · 2 obs

● 2026-06-04 04:17:52
● 2026-08-10 08:54:52

●NSrossns.abbott.com2026-06-04 → 2026-08-10 · 2 obs

● 2026-06-04 04:17:52
● 2026-08-10 08:54:52

●NSrossns2.abbott.com2026-06-04 → 2026-08-10 · 2 obs

● 2026-06-04 04:17:52
● 2026-08-10 08:54:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sg	pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg, dsany4.sgnic.sg	-
freestylelibre3.com.sg	abtnsdmz1.abbott.com, rossns2.abbott.com, rossns.abbott.com, abtnsdmz2.abbott.com	-

✅ Authoritative Response

Server:20.64.178.77

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for freestylelibre3.com.sg (unsigned zone)

⏱️ Timing

Total: 558ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

Four name servers handle the delegation for freestylelibre3.com.sg: abtnsdmz1.abbott.com, abtnsdmz2.abbott.com, rossns2.abbott.com and rossns.abbott.com.

freestylelibre3.com.sg partially shares its NS delegation with several other domains, including similacadvanceoptigrowabbottnutrition.net, heartasure.pk, abbottspm.com and two others.

Each of abtnsdmz1.abbott.com, abtnsdmz2.abbott.com, rossns2.abbott.com and rossns.abbott.com has one IP address. abtnsdmz1.abbott.com → 74.179.85.156, abtnsdmz2.abbott.com → 20.64.178.77, rossns2.abbott.com → 20.64.178.77, rossns.abbott.com → 74.179.85.156.

abtnsdmz1.abbott.com and rossns.abbott.com are host names that each point to 74.179.85.156 IP addresses.

abtnsdmz2.abbott.com and rossns2.abbott.com are host names that each point to 20.64.178.77 IP addresses.

freestylelibre3.com.sg - robtex.com