csa.fyi - robtex.com
csa.fyi
| DNSSEC | ⚠️ Not signed | ||||||
| A | 79.137.86.40🇫🇷 OVH79.137.0.0/17 | ||||||
| PTR | dns1.csanet.io | ||||||
| NS | clunia.csa.es ⭐ | ||||||
| A | 5.40.65.33🇪🇸 ONO-AS5.40.0.0/16 | ||||||
| PTR | clunia.csa.es | ||||||
| NS | buniel.csa.es | ||||||
| A | 5.40.65.35🇪🇸 ONO-AS5.40.0.0/16 | ||||||
| PTR | buniel.csa.es | ||||||
| NS | dns1.csanet.io | ||||||
| A | 2001:41d0:401:3100::5c76🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | dns1.csanet.io | ||||||
| A | 79.137.86.40🇫🇷 OVH79.137.0.0/17 | ||||||
| PTR | dns1.csanet.io | ||||||
| NS | dns2.csanet.io | ||||||
| A | 2607:5300:205:200::410f🇨🇦 OVH2607:5300::/32 Hosting route | ||||||
| PTR | dns2.csanet.io | ||||||
| A | 51.79.64.71🇨🇦 OVH51.79.0.0/17 Hosting route | ||||||
| PTR | dns2.csanet.io | ||||||
| NS | tapia.csa.es | ||||||
| A | 5.40.65.43🇪🇸 ONO-AS5.40.0.0/16 | ||||||
| PTR | tapia.csa.es | ||||||
| MX | silos.csa.es ⭐ | ||||||
| A | 5.40.65.34🇪🇸 ONO-AS5.40.0.0/16 | ||||||
| PTR | silos.csa.es | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | clunia.csa.escomunicaciones@csa.es 2026-08-01 #2 | ||||||
fyi
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.fyi ⭐ | ||||||
| NS | v0n1.nic.fyi | ||||||
| NS | v0n2.nic.fyi | ||||||
| NS | v0n3.nic.fyi | ||||||
| NS | v2n0.nic.fyi | ||||||
| NS | v2n1.nic.fyi | ||||||
| SOA | v0n0.nic.fyihostmaster@donuts.email serial=1785985934 | ||||||
⚠️ On DNS blocklist: spam-tlds
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●A79.137.86.402026-07-31 → 2026-08-06 · 2 obs
● 2026-08-06 03:24:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fyi | v0n0.nic.fyi, v0n1.nic.fyi, v0n2.nic.fyi, v0n3.nic.fyi... | 12 records |
| csa.fyi | dns2.csanet.io, tapia.csa.es, buniel.csa.es, dns1.csanet.io | - |
✅ Authoritative Response
Server:5.40.65.43
NS records: dns2.csanet.io, tapia.csa.es, buniel.csa.es, dns1.csanet.io
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for csa.fyi (unsigned zone)
⏱️ Timing
Total: 2810ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 79.137.86.40 |
| NS | 4 | buniel.csa.es, dns1.csanet.io... |
| MX | 1 | silos.csa.es (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | clunia.csa.es comunicaciones.csa.es |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.fyi, v0n1.nic.fyi, v0n2.nic.fyi...)
Analysis
IP Addresses
csa.fyi resolves to one IP address: 79.137.86.40.
dns1.csanet.io, for instance, is one of the other host names sharing IP numbers with csa.fyi.
Name Servers
csa.fyi has five name servers, which are buniel.csa.es, clunia.csa.es, tapia.csa.es and two others.
csa.fyi partially shares its NS delegation with several other domains, including fundacioncajadeburgos.com, clunia.es, cenieh.es and two others.
These name servers are regularly seen alongside dns2.csanet.io and silos.csa.es as name servers.
Hostnames that resolve to two IP addresses:
dns1.csanet.io directs traffic to 79.137.86.40 and 2001:41d0:401:3100::5c76.
dns2.csanet.io directs traffic to 51.79.64.71 and 2607:5300:205:200::410f.
Hosts with just one IP address:
buniel.csa.es has the IP address 5.40.65.35.
clunia.csa.es has the IP address 5.40.65.33.
tapia.csa.es has the IP address 5.40.65.43.
Mail Servers
Mail for csa.fyi is handled by a single mail server, silos.csa.es.
The mail server configuration of csa.fyi is identical to that of other domains — csanet.io being one example.
The MX records for csa.fyi are at least partially shared with other domains, such as esg.es, bupre.es, dsnova.com and tdicm.com.
The mail servers correo.esg.es, correo.bupre.es and atapuerca.csa.es frequently co-occur with these mail servers.
silos.csa.es directs to just one IP number, 5.40.65.34.