mail.bitnotes.org - dns.ninja

mail.bitnotes.org

DNSSEC⚠️ Not signed
A81.91.87.10🇨🇿 WEB4U81.91.80.0/21
PTRmail.web4u.cz

bitnotes.org

DNSSEC⚠️ Not signed
A2a02:2b88:2:1::6773:1🇨🇿 WEDOS2a02:2b88::/32 Internet, a.s.
A46.28.110.163🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.
NSns2.web4u.cz
NSns.web4u.cz
MXaspmx.l.google.com
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTgoogle-site-verification=MOEslDH1x85iusYrXZO6dW2sk0mqc4LcJtO4PMkdx5o
SOAns.web4u.czadmin@web4u.cz 2015-09-14 #1

Previously MX for

Same first word

Similar names

DNS History

1 record (1 active, 0 former)

A81.91.87.10
A81.91.87.102026-05-10 → 2026-06-18 · 2 obs
● 2026-05-10 07:00:08
● 2026-06-18 08:39:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
bitnotes.orgns.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

TypeCountSample Data
A181.91.87.10

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.