mail.bitnotes.org - dns.ninja
mail.bitnotes.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.91.87.10🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | mail.web4u.cz | ||||||
bitnotes.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:2b88:2:1::6773:1🇨🇿 WEDOS2a02:2b88::/32 Internet, a.s. | ||||||
| A | 46.28.110.163🇨🇿 WEDOS46.28.104.0/21 Internet, a.s. | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| NS | ns.web4u.cz | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| MX | alt4.aspmx.l.google.com(10) | ||||||
| TXT | google-site-verification=MOEslDH1x85iusYrXZO6dW2sk0mqc4LcJtO4PMkdx5o | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2015-09-14 #1 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A81.91.87.102026-05-10 → 2026-06-18 · 2 obs
● 2026-05-10 07:00:08
● 2026-06-18 08:39:14
● 2026-06-18 08:39:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| bitnotes.org | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bitnotes.org (unsigned zone)
⏱️ Timing
Total: 783ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.87.10 |
Analysis
IP Addresses
mail.bitnotes.org has exactly one IP address — 81.91.87.10.
mail.egalita.cz, mail.biblezlatokopky.com, mail.led-profi.cz plus two other host names have IP numbers in common with mail.bitnotes.org.