librerio.cz - robtex.com
librerio.cz
| 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.comdnsdomainadminstrator@sjm.com serial=21 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1776079032 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSabtnsdmz1.abbott.com2026-03-30 → 2026-04-13 · 2 obs
● 2026-04-13 11:31:02
●NSabtnsdmz2.abbott.com2026-03-30 → 2026-04-13 · 2 obs
● 2026-04-13 11:31:02
●NSrossns.abbott.com2026-03-30 → 2026-04-13 · 2 obs
● 2026-04-13 11:31:02
●NSrossns2.abbott.com2026-03-30 → 2026-04-13 · 2 obs
● 2026-04-13 11:31:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| librerio.cz | rossns.abbott.com, rossns2.abbott.com, abtnsdmz1.abbott.com, abtnsdmz2.abbott.com | - |
✅ Authoritative Response
Server:74.179.85.156
NS records: rossns.abbott.com, rossns2.abbott.com, abtnsdmz1.abbott.com, abtnsdmz2.abbott.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for librerio.cz (unsigned zone)
⏱️ Timing
Total: 718ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | rossns.abbott.com, rossns2.abbott.com |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | rossns.abbott.com dnsdomainadminstrator. |
Analysis
Name Servers
librerio.cz is delegated to four name servers: abtnsdmz1.abbott.com, abtnsdmz2.abbott.com, rossns2.abbott.com and rossns.abbott.com.
librerio.cz at least partially shares name servers with other domains, for instance freestyleinsulinx.nl, womenshealthross.com, ensurewithfiber.com, abbottlabscovid.org and wwhcx.org.
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.