knoll.info - robtex.com
knoll.info
| 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.comddi@abbott.com serial=20 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1785694518 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSabtnsdmz1.abbott.com2026-03-30 → 2026-08-02 · 2 obs
● 2026-08-02 19:02:48
●NSabtnsdmz2.abbott.com2026-03-30 → 2026-08-02 · 2 obs
● 2026-08-02 19:02:48
●NSrossns.abbott.com2026-03-30 → 2026-08-02 · 2 obs
● 2026-08-02 19:02:48
●NSrossns2.abbott.com2026-03-30 → 2026-08-02 · 2 obs
● 2026-08-02 19:02:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| knoll.info | rossns2.abbott.com, rossns.abbott.com, abtnsdmz2.abbott.com, abtnsdmz1.abbott.com | - |
✅ Authoritative Response
Server:74.179.85.156
NS records: rossns2.abbott.com, rossns.abbott.com, abtnsdmz2.abbott.com, abtnsdmz1.abbott.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knoll.info (unsigned zone)
⏱️ Timing
Total: 557ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | rossns2.abbott.com, rossns.abbott.com |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | rossns.abbott.com ddi.abbott.com |
Analysis
Name Servers
Four name servers handle the delegation for knoll.info: abtnsdmz1.abbott.com, abtnsdmz2.abbott.com, rossns2.abbott.com and rossns.abbott.com.
There is at least partial name server overlap between knoll.info and other domains — abbottdiabetesmedicines.info, diamondback360.abbott, navicacovid19.com and two more among them.
Four hosts, two IP addresses: abtnsdmz1.abbott.com and rossns.abbott.com resolve to 74.179.85.156 and abtnsdmz2.abbott.com and rossns2.abbott.com resolve to 20.64.178.77.
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.