cffs.us - robtex.com
cffs.us
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.systemdns.com ⚠️ Not in zone NS records | ||||||
| A | 2604:4000:0:d:216:40:47:90🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.systemdns.com | ||||||
| A | 216.40.47.90🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.systemdns.com | ||||||
| NS | ns2.systemdns.com ⚠️ Not in zone NS records | ||||||
| A | 2604:4000:2800:d:64:99:148:16🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| A | 64.98.148.16🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| NS | ns3.systemdns.com ⚠️ Not in zone NS records | ||||||
| A | 2604:4000:0:d:64:99:96:36🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns3.systemdns.com | ||||||
| A | 64.99.96.36🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2 | ||||||
| PTR | ns3.systemdns.com | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1781917405 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.systemdns.com2026-06-11 → 2026-06-20 · 2 obs
● 2026-06-20 01:15:00
●NSns2.systemdns.com2026-06-11 → 2026-06-20 · 2 obs
● 2026-06-20 01:15:00
●NSns3.systemdns.com2026-06-11 → 2026-06-20 · 2 obs
● 2026-06-20 01:15:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, x.cctld.us, k.cctld.us... | - |
| cffs.us | ns3.systemdns.com, ns1.systemdns.com, ns2.systemdns.com | - |
✅ Authoritative Response
Server:216.40.47.90
NS records: ns3.systemdns.com, ns1.systemdns.com, ns2.systemdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cffs.us (unsigned zone)
⏱️ Timing
Total: 484ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
Three name servers are authoritative for cffs.us: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.
There is at least partial name server overlap between cffs.us and other domains — houstonurology.com, life-kitchens.co.uk, cheryljacksonphotography.com and two more among them.
ns1.systemdns.com resolves to 216.40.47.90 and 2604:4000:0:d:216:40:47:90. ns2.systemdns.com resolves to 64.98.148.16 and 2604:4000:2800:d:64:99:148:16. ns3.systemdns.com resolves to 64.99.96.36 and 2604:4000:0:d:64:99:96:36. All three hostnames point to two IP numbers each.