readb.io - dns.ninja

readb.io

DNSSEC⚠️ Not signed
A139.84.208.235🇺🇸 AS-VULTR139.84.208.0/20 Vultr Assigned Prefix
PTR139.84.208.235.vultrusercontent.com
NSns41.domaincontrol.com ⭐
A2603:5:2142::15🇺🇸 GODADDY-DNS2603:5:2140::/44
PTRns41.domaincontrol.com
A97.74.100.21🇺🇸 GODADDY-DNS97.74.100.0/23
PTRns41.domaincontrol.com
NSns42.domaincontrol.com
A2603:5:2242::15🇺🇸 GODADDY-DNS2603:5:2240::/44
PTRns42.domaincontrol.com
A173.201.68.21🇺🇸 GODADDY-DNS173.201.68.0/23
PTRns42.domaincontrol.com
SOAns41.domaincontrol.comdns@jomax.net 2026-06-19 #5

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1786313495
⚠️ On DNS blocklist: urlshortener

Same first word

readb.io

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DNS History

3 records (3 active, 0 former)

NSns41.domaincontrol.comns42.domaincontrol.comA139.84.208.235
●NSns41.domaincontrol.com2026-08-01 → 2026-08-09 · 2 obs
● 2026-08-01 15:37:58
● 2026-08-09 22:32:10
●NSns42.domaincontrol.com2026-08-01 → 2026-08-09 · 2 obs
● 2026-08-01 15:37:58
● 2026-08-09 22:32:10
●A139.84.208.2352026-08-01 → 2026-08-09 · 2 obs
● 2026-08-01 15:37:58
● 2026-08-09 22:32:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
readb.ions42.domaincontrol.com, ns41.domaincontrol.com-

✅ Authoritative Response

Server:97.74.100.21

NS records: ns42.domaincontrol.com, ns41.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readb.io (unsigned zone)

⏱️ Timing

Total: 270ms | Queries: -

📄 Records

TypeCountSample Data
A1139.84.208.235
NS2ns41.domaincontrol.com, ns42.domaincontrol.com
SOA1ns41.domaincontrol.com dns.jomax.net

Analysis

IP Addresses

readb.io has exactly one IP address — 139.84.208.235.

Name Servers

readb.io is served by two delegated name servers, ns41.domaincontrol.com and ns42.domaincontrol.com.

The name server configuration of readb.io is shared with other domains, for instance candij.com, eraglobe.com, swarmoverflow.com and two others.

Each of the two host names carries two IP addresses: ns41.domaincontrol.com points to 97.74.100.21 and 2603:5:2142::15, and ns42.domaincontrol.com points to 173.201.68.21 and 2603:5:2242::15.