readb.io - robtex.com

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=1786575019
⚠️ 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 → 2026-08-12 · 2 obs
● 2026-08-01 15:37:58
● 2026-08-12 22:59:40
●NSns42.domaincontrol.com2026-08-01 → 2026-08-12 · 2 obs
● 2026-08-01 15:37:58
● 2026-08-12 22:59:40
●A139.84.208.2352026-08-01 → 2026-08-12 · 2 obs
● 2026-08-01 15:37:58
● 2026-08-12 22:59:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
readb.ions41.domaincontrol.com, ns42.domaincontrol.com-

✅ Authoritative Response

Server:97.74.100.21

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readb.io (unsigned zone)

⏱️ Timing

Total: 371ms | 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 directs to one IP number, which is 139.84.208.235.

Name Servers

Two name servers handle the delegation for readb.io: ns41.domaincontrol.com and ns42.domaincontrol.com.

readb.io has the same name server delegation as a number of other domains, such as candij.com, eraglobe.com, swarmoverflow.com and two more.

ns41.domaincontrol.com and ns42.domaincontrol.com both carry two IP addresses. The A records for ns41.domaincontrol.com are 97.74.100.21 and 2603:5:2142::15; the A records for ns42.domaincontrol.com are 173.201.68.21 and 2603:5:2242::15.