`freestylelibre3.uk`

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}

`uk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns1.nic.uk` ⭐
	NS	`dns2.nic.uk`
	NS	`dns3.nic.uk`
	NS	`dns4.nic.uk`
	NS	`nsa.nic.uk`
	NS	`nsb.nic.uk`
	NS	`nsc.nic.uk`
	NS	`nsd.nic.uk`
	SOA	`dns1.nic.uk`hostmaster@nic.uk serial=1775931079

Same first word

DNS History

4 records (4 active, 0 former)

●NSabtnsdmz1.abbott.com2026-03-30 → 2026-04-11 · 2 obs

● 2026-03-30 20:48:14
● 2026-04-11 18:32:58

●NSabtnsdmz2.abbott.com2026-03-30 → 2026-04-11 · 2 obs

● 2026-03-30 20:48:14
● 2026-04-11 18:32:58

●NSrossns.abbott.com2026-03-30 → 2026-04-11 · 2 obs

● 2026-03-30 20:48:14
● 2026-04-11 18:32:58

●NSrossns2.abbott.com2026-03-30 → 2026-04-11 · 2 obs

● 2026-03-30 20:48:14
● 2026-04-11 18:32:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	dns3.nic.uk, dns1.nic.uk, nsb.nic.uk, nsd.nic.uk...	-
freestylelibre3.uk	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.uk (unsigned zone)

⏱️ Timing

Total: 660ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

freestylelibre3.uk's delegation is handled by four name servers: abtnsdmz1.abbott.com, abtnsdmz2.abbott.com, rossns2.abbott.com and rossns.abbott.com.

freestylelibre3.uk partially shares name servers with other domains; examples include eppatch.net, libre-sense.ie, engage.abbott, similac-cases.com and libreoffer.abbott.

Host names with a single IP:

abtnsdmz1.abbott.com points to: 74.179.85.156.

abtnsdmz2.abbott.com points to: 20.64.178.77.

rossns2.abbott.com points to: 20.64.178.77.

rossns.abbott.com points to: 74.179.85.156.

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

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

freestylelibre3.uk - robtex.com