dncb.org - robtex.com
dncb.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | auth1.dns.cogentco.com ⚠️ Not in zone NS records | ||||||
| A | 2001:550:1:a::d🇺🇸 COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| A | 66.28.0.14🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com ⚠️ Not in zone NS records | ||||||
| A | 2001:550:1:b::d🇺🇸 COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| A | 66.28.0.30🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785288487 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSauth1.dns.cogentco.com2026-06-17 → 2026-07-29 · 2 obs
● 2026-07-29 01:46:14
●NSauth2.dns.cogentco.com2026-06-17 → 2026-07-29 · 2 obs
● 2026-07-29 01:46:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| dncb.org | auth2.dns.cogentco.com, auth1.dns.cogentco.com | - |
✅ Authoritative Response
Server:66.28.0.30
NS records: auth2.dns.cogentco.com, auth1.dns.cogentco.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dncb.org (unsigned zone)
⏱️ Timing
Total: 414ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
dncb.org has two authoritative name servers — auth1.dns.cogentco.com and auth2.dns.cogentco.com.
The name server configuration of dncb.org is shared with other domains, for instance 200.88.38.in-addr.arpa, 47.103.38.in-addr.arpa, 64.12.149.in-addr.arpa and two others.
dncb.org shares at least some of its name servers with other domains, including ups.in, 246.17.185.in-addr.arpa, fritz.de and two others.
These name servers are frequently seen alongside nsa.ups.com, nsb.ups.com, shadowcat-i.ups.com and 4 other name servers.
Both auth1.dns.cogentco.com and auth2.dns.cogentco.com have two IP addresses each. auth1.dns.cogentco.com resolves to 66.28.0.14 and 2001:550:1:a::d; auth2.dns.cogentco.com resolves to 66.28.0.30 and 2001:550:1:b::d.