21bits.news - robtex.com
21bits.news
| CNAME | target.substack-custom-domains.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:4403::6812:2418🇺🇸 Cloudflare2606:4700:4403::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2a06:98c1:3107::ac40:97e8🇺🇸 Cloudflare2a06:98c1:3107::/48 ✓ In HTTPS hints | ||||||
| A | 104.18.36.24Cloudflare104.18.36.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.64.151.232🇺🇸 Cloudflare172.64.151.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.18.36.24, 172.64.151.232 | ||||||
| IPv6 hints | 2606:4700:4403::6812:2418, 2a06:98c1:3107::ac40:97e8 | ||||||
news
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.news ⭐ | ||||||
| NS | v0n1.nic.news | ||||||
| NS | v0n2.nic.news | ||||||
| NS | v0n3.nic.news | ||||||
| NS | v2n0.nic.news | ||||||
| NS | v2n1.nic.news | ||||||
| SOA | v0n0.nic.newshostmaster@donuts.email serial=1778647783 | ||||||
Same first word
DNS History
8 records (8 active, 0 former)
●NSdns1.registrar-servers.com2026-04-27 → 2026-05-13 · 2 obs
● 2026-04-27 11:59:38
● 2026-05-13 05:11:32
● 2026-05-13 05:11:32
●NSdns2.registrar-servers.com2026-04-27 → 2026-05-13 · 2 obs
● 2026-04-27 11:59:38
● 2026-05-13 05:11:32
● 2026-05-13 05:11:32
●MXeforward1.registrar-servers.com2026-04-27 → 2026-05-13 · 2 obs
● 2026-04-27 11:59:38
● 2026-05-13 05:11:32
● 2026-05-13 05:11:32
●MXeforward2.registrar-servers.com2026-04-27 → 2026-05-13 · 2 obs
● 2026-04-27 11:59:38
● 2026-05-13 05:11:32
● 2026-05-13 05:11:32
●MXeforward3.registrar-servers.com2026-04-27 → 2026-05-13 · 2 obs
● 2026-04-27 11:59:38
● 2026-05-13 05:11:32
● 2026-05-13 05:11:32
●MXeforward4.registrar-servers.com2026-04-27 → 2026-05-13 · 2 obs
● 2026-04-27 11:59:38
● 2026-05-13 05:11:32
● 2026-05-13 05:11:32
●MXeforward5.registrar-servers.com2026-04-27 → 2026-05-13 · 2 obs
● 2026-04-27 11:59:38
● 2026-05-13 05:11:32
● 2026-05-13 05:11:32
●CNAMEtarget.substack-custom-domains.com2026-04-27 → 2026-05-13 · 2 obs
● 2026-04-27 11:59:38
● 2026-05-13 05:11:32
● 2026-05-13 05:11:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| news | v2n1.nic.news, v0n1.nic.news, v0n3.nic.news, v0n0.nic.news... | 12 records |
| 21bits.news | dns1.registrar-servers.com, dns2.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21bits.news (unsigned zone)
⏱️ Timing
Total: 445ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 5 | eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10... |
| TXT | 1 | v=spf1 include:spf.efwd.registrar-server |
| CNAME | 1 | target.substack-custom-domains.com |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.news, v0n1.nic.news, v0n2.nic.news...)
Analysis
IP Addresses
21bits.news resolves to four IP numbers: 2606:4700:4403::6812:2418, 2a06:98c1:3107::ac40:97e8, 104.18.36.24 and 172.64.151.232.
Other host names such as flutterexplained.com, cyanne.study, chesakov.com, weightythoughts.com and timshore.com share IPs with 21bits.news.