glucerna.sg - robtex.com
glucerna.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 | gkx0xdy3lrv5qz176sjgyls3sk6ctpx1 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | abtnsdmz1.abbott.comdnsdomainadminstrator@sjm.com serial=26 | ||||||
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.sgdna@sgnic.sg serial=2603310830 | ||||||
Same first word
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DNS History
6 records (6 active, 0 former)
●NSabtnsdmz1.abbott.com2026-03-30 → 2026-03-31 · 2 obs
● 2026-03-31 09:05:44
●NSabtnsdmz2.abbott.com2026-03-30 → 2026-03-31 · 2 obs
● 2026-03-31 09:05:44
●NSrossns.abbott.com2026-03-30 → 2026-03-31 · 2 obs
● 2026-03-31 09:05:44
●NSrossns2.abbott.com2026-03-30 → 2026-03-31 · 2 obs
● 2026-03-31 09:05:44
●A13.248.172.932026-03-30 → 2026-03-31 · 2 obs
● 2026-03-31 09:05:44
●A76.223.40.2502026-03-30 → 2026-03-31 · 2 obs
● 2026-03-31 09:05:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sg | pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg, dsany4.sgnic.sg | - |
| glucerna.sg | abtnsdmz2.abbott.com, abtnsdmz1.abbott.com, rossns.abbott.com, rossns2.abbott.com | - |
✅ Authoritative Response
Server:20.64.178.77
NS records: abtnsdmz2.abbott.com, abtnsdmz1.abbott.com, rossns.abbott.com, rossns2.abbott.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for glucerna.sg (unsigned zone)
⏱️ Timing
Total: 568ms | 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 | 2 | gkx0xdy3lrv5qz176sjgyls3sk6ctpx1, v=spf1 -all |
| SOA | 1 | abtnsdmz1.abbott.com dnsdomainadminstrat |
Analysis
IP Addresses
glucerna.sg points to two IP numbers: 13.248.172.93 and 76.223.40.250.
Other host names, for instance trifectagtvalve.com, freestylelibre.com.my, pediasure.com.br, dissolvingscaffold.com and ensureclear.com share IP numbers with glucerna.sg.
Name Servers
glucerna.sg is delegated to four name servers: abtnsdmz1.abbott.com, abtnsdmz2.abbott.com, rossns2.abbott.com and rossns.abbott.com.
glucerna.sg at least partially shares its name servers with other domains, for instance librerio.ru, myfreestyle.com.cn, aliniqbis.com, medicarecoversfreestyle.com and healthyhairxpert.in.
Host names with a single IP number:
The host name abtnsdmz1.abbott.com points to 130.36.47.201.
The host name abtnsdmz2.abbott.com points to 20.64.178.77.
The host name rossns2.abbott.com points to 20.64.178.77.
The host name rossns.abbott.com points to 13.66.215.214.
Host names that point to 20.64.178.77: abtnsdmz2.abbott.com and rossns2.abbott.com.