`tryfreestylelibre.sg`

DNSSEC	⚠️ Not signed
A	13.248.172.93^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`aa5dacf57429c8adc.awsglobalaccelerator.com`
A	76.223.40.250^{🇺🇸 Amazon76.223.32.0/20}
NS	`abtnsdmz1.abbott.com` ⭐
		A	130.36.47.201^{🇺🇸 AS21899130.36.40.0/21 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`abtnsdmz1.abbott.com`
NS	`abtnsdmz2.abbott.com` ⚠️ Not in zone NS records
		A	20.64.178.77^{🇺🇸 Microsoft20.64.0.0/10}
NS	`rossns.abbott.com`
		A	13.66.215.214^{🇺🇸 Microsoft13.64.0.0/11 MICROSOFT}
NS	`rossns2.abbott.com`
		A	20.64.178.77^{🇺🇸 Microsoft20.64.0.0/10}
TXT	`v=spf1 -all`
SOA	`abtnsdmz1.abbott.com`dnsdomainadminstrator@sjm.com serial=19

`sg`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ds.sgnic.sg` ⭐
	NS	`dsany2.sgnic.sg`
	NS	`dsany3.sgnic.sg`
	NS	`dsany4.sgnic.sg`
	NS	`ns4.apnic.net` ⚠️ Not in parent delegation
	NS	`pch.sgzones.sg`
	SOA	`ds.sgnic.sg`dna@sgnic.sg serial=2603312000

Same first word

tryfreestylelibre.sg

tryfreestylelibre.us

DNS History

6 records (6 active, 0 former)

●NSabtnsdmz1.abbott.com2026-03-30 → 2026-03-31 · 2 obs

● 2026-03-30 20:43:48
● 2026-03-31 20:30:06

●NSabtnsdmz2.abbott.com2026-03-30 → 2026-03-31 · 2 obs

● 2026-03-30 20:43:48
● 2026-03-31 20:30:06

●NSrossns.abbott.com2026-03-30 → 2026-03-31 · 2 obs

● 2026-03-30 20:43:48
● 2026-03-31 20:30:06

●NSrossns2.abbott.com2026-03-30 → 2026-03-31 · 2 obs

● 2026-03-30 20:43:48
● 2026-03-31 20:30:06

●A13.248.172.932026-03-30 → 2026-03-31 · 2 obs

● 2026-03-30 20:43:48
● 2026-03-31 20:30:06

●A76.223.40.2502026-03-30 → 2026-03-31 · 2 obs

● 2026-03-30 20:43:48
● 2026-03-31 20:30:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sg	pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg, dsany4.sgnic.sg	-
tryfreestylelibre.sg	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 tryfreestylelibre.sg (unsigned zone)

⏱️ Timing

Total: 463ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.172.93, 76.223.40.250`
NS	3	`rossns2.abbott.com, abtnsdmz1.abbott.com...`
TXT	1	`v=spf1 -all`
SOA	1	`abtnsdmz1.abbott.com dnsdomainadminstrat`

Analysis

IP Addresses

tryfreestylelibre.sg resolves to two IP numbers: 13.248.172.93 and 76.223.40.250.

other host names including pharmacy.freestylelibre.us, pedialytestore.com, silzonetechnology.com, abbottlearningcenter.com and tw.abbott share IP numbers with tryfreestylelibre.sg.

Name Servers

tryfreestylelibre.sg is delegated to four name servers: abtnsdmz1.abbott.com, abtnsdmz2.abbott.com, rossns2.abbott.com and rossns.abbott.com.

tryfreestylelibre.sg at least partially shares name servers with other domains, for instance panbio.com.do, abbott-molecular.com, freestylemetertoday.com, abbottbox.com and activacionesensure.com.co.

These name servers are commonly used alongside a1-242.akam.net, a11-67.akam.net, a16-65.akam.net, a22-66.akam.net, a6-65.akam.net and a9-64.akam.net.

Host names with a single IP:

abtnsdmz1.abbott.com points to 130.36.47.201

abtnsdmz2.abbott.com points to 20.64.178.77

rossns2.abbott.com points to 20.64.178.77

rossns.abbott.com points to 13.66.215.214

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

tryfreestylelibre.sg - robtex.com