firstprinciplesofbitcoin.com - robtex.com
firstprinciplesofbitcoin.com
| DNSSEC | ⚠️ Not signed | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1777451111 | ||||||
Same first word
firstprinciplesofbitcoin.com |
DNS History
9 records (0 active, 9 former)
○NSns61.domaincontrol.com2017-12-04 → 2017-12-04 · 3 obs
● 2017-12-04 11:29:38
○ 2026-04-06 09:56:10
○ 2026-04-29 08:33:34
○ 2026-04-06 09:56:10
○ 2026-04-29 08:33:34
○NSns62.domaincontrol.com2017-12-04 → 2017-12-04 · 3 obs
● 2017-12-04 11:29:38
○ 2026-04-06 09:56:10
○ 2026-04-29 08:33:34
○ 2026-04-06 09:56:10
○ 2026-04-29 08:33:34
○NSns63.domaincontrol.com2026-04-06 → 2026-04-06 · 4 obs
○ 2017-12-04 11:29:38
● 2026-04-06 09:56:10
○ 2026-04-29 08:33:32
○ 2026-04-29 08:33:34
● 2026-04-06 09:56:10
○ 2026-04-29 08:33:32
○ 2026-04-29 08:33:34
○NSns64.domaincontrol.com2026-04-06 → 2026-04-06 · 4 obs
○ 2017-12-04 11:29:38
● 2026-04-06 09:56:10
○ 2026-04-29 08:33:32
○ 2026-04-29 08:33:34
● 2026-04-06 09:56:10
○ 2026-04-29 08:33:32
○ 2026-04-29 08:33:34
○A13.248.213.452026-04-06 → 2026-04-06 · 4 obs
○ 2017-12-04 11:29:38
● 2026-04-06 09:56:10
○ 2026-04-29 08:33:32
○ 2026-04-29 08:33:34
● 2026-04-06 09:56:10
○ 2026-04-29 08:33:32
○ 2026-04-29 08:33:34
○A15.197.148.332026-04-06 → 2026-04-29 · 2 obs
○ 2026-04-06 09:56:10
○ 2026-04-29 08:33:34
○ 2026-04-29 08:33:34
○A184.168.221.472017-12-04 → 2017-12-04 · 3 obs
● 2017-12-04 11:29:38
○ 2026-04-06 09:56:10
○ 2026-04-29 08:33:34
○ 2026-04-06 09:56:10
○ 2026-04-29 08:33:34
○A3.33.130.1902026-04-06 → 2026-04-29 · 2 obs
○ 2026-04-06 09:56:10
○ 2026-04-29 08:33:34
○ 2026-04-29 08:33:34
○A76.223.67.1892026-04-06 → 2026-04-06 · 4 obs
○ 2017-12-04 11:29:38
● 2026-04-06 09:56:10
○ 2026-04-29 08:33:32
○ 2026-04-29 08:33:34
● 2026-04-06 09:56:10
○ 2026-04-29 08:33:32
○ 2026-04-29 08:33:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.54.112.30
NS records: c.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 134ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|