b4fn.org - robtex.com
b4fn.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.141.195.216🇬🇧 SHARKTECH-1185.141.195.0/24 | ||||||
| PTR | undefined.hostname.localhost | ||||||
| NS | dns2.technorail.com ⭐ | ||||||
| A | 2a00:6d42:3:2096::f:1🇮🇹 ARUBA-ASN2a00:6d42::/32 Aruba S.p.A. IPv6 Network | ||||||
| PTR | dns2.technorail.com | ||||||
| A | 95.110.136.8🇮🇹 ARUBA-ASN95.110.136.0/21 Aruba S.p.A. Network | ||||||
| PTR | dns2.technorail.com | ||||||
| NS | dns.technorail.com | ||||||
| A | 2a00:6d40:2:2082::f:1🇮🇹 ARUBA-ASN2a00:6d40::/32 Aruba S.p.A. IPv6 Network | ||||||
| PTR | dns.technorail.com | ||||||
| A | 94.177.210.13🇮🇹 ARUBA-ASN94.177.208.0/22 Aruba S.p.A. Network | ||||||
| PTR | dns.technorail.com | ||||||
| NS | dns3.arubadns.net | ||||||
| A | 2a00:6d41:3:206e::f:1🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network | ||||||
| PTR | dns3.arubadns.net | ||||||
| A | 95.110.220.5🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network | ||||||
| PTR | dns3.arubadns.net | ||||||
| NS | dns4.arubadns.cz | ||||||
| A | 2001:15e8:104:4::d8ee🇨🇿 INTERNET-CZ2001:15e8::/32 | ||||||
| PTR | dns4.arubadns.cz | ||||||
| A | 81.2.216.238🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | dns4.arubadns.cz | ||||||
| SOA | dns.technorail.comhostmaster@b4fn.org serial=1 | ||||||
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=1774423161 | ||||||
Same first word
b4fn.org |
Similar names
DNS History
7 records (5 active, 2 former)
●NSdns.technorail.com2015-05-27 → 2026-03-25 · 2 obs
● 2026-03-25 07:33:26
●NSdns2.technorail.com2015-05-27 → 2026-03-25 · 2 obs
● 2026-03-25 07:33:26
●NSdns3.arubadns.net2015-05-27 → 2026-03-25 · 2 obs
● 2026-03-25 07:33:26
●NSdns4.arubadns.cz2015-05-27 → 2026-03-25 · 2 obs
● 2026-03-25 07:33:26
○A149.126.72.1032015-05-27 → 2017-04-21 · 4 obs
● 2017-04-21 03:28:30
○ 2026-02-23 15:00:32
○ 2026-03-25 07:33:26
○A149.126.74.422015-05-27 → 2017-04-21 · 4 obs
● 2017-04-21 03:28:30
○ 2026-02-23 15:00:32
○ 2026-03-25 07:33:26
●A185.141.195.2162026-02-23 → 2026-03-25 · 3 obs
● 2026-02-23 15:00:32
● 2026-03-25 07:33:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| b4fn.org | dns3.arubadns.net, dns4.arubadns.cz, dns2.technorail.com, dns.technorail.com | - |
✅ Authoritative Response
Server:94.177.210.13
NS records: dns3.arubadns.net, dns4.arubadns.cz, dns2.technorail.com, dns.technorail.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b4fn.org (unsigned zone)
⏱️ Timing
Total: 692ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.141.195.216 |
| NS | 4 | dns4.arubadns.cz, dns.technorail.com... |
| SOA | 1 | dns.technorail.com hostmaster.b4fn.org |
Analysis
IP Addresses
b4fn.org resolves to one IP number: 185.141.195.216.
Other host names for instance www.ecpgr.cgiar.org and ecpgr.cgiar.org share IP numbers with b4fn.org.
Name Servers
b4fn.org delegates to four name servers: dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net.
b4fn.org at least partially shares name servers with other domains, including heaventwo.com, martinomartignon.com, hitechnology.biz, studiogiorgino.it and tarda.net.
Host names with two IP numbers: dns2.technorail.com points to 2a00:6d42:3:2096::f:1 and 95.110.136.8; dns.technorail.com points to 2a00:6d40:2:2082::f:1 and 94.177.210.13; dns4.arubadns.cz points to 2001:15e8:104:4::d8ee and 81.2.216.238; dns3.arubadns.net points to 2a00:6d41:3:206e::f:1 and 95.110.220.5.