a.io - dns.ninja

a.io

DNSSEC🔒 Signed (DS record present)
A85.10.133.119🇳🇱 TRANSIP-AS85.10.128.0/19 TransIP BV Amsterdam, The Netherlands
PTR85-10-133-119.colo.transip.net
NSns1.a.io ⭐
A2a06:fb00:1::1:251🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS
PTRns1.a.io
A185.136.96.251🇺🇸 CLOUDNSNET185.136.96.0/24 Cloud DNS Ltd
PTRns1.a.io
NSns2.a.io
A2a06:fb00:1::2:251🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS
PTRns2.a.io
A185.136.97.251CLOUDNSNET185.136.97.0/24 Cloud DNS Ltd
PTRns2.a.io
NSns3.a.io
A2a06:fb00:1::3:251🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS
PTRns3.a.io
A185.136.98.251🇺🇸 CLOUDNSNET185.136.98.0/24 Cloud DNS Ltd
PTRns3.a.io
NSns4.a.io
A2a06:fb00:1::4:251🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS
PTRns4.a.io
A185.136.99.251CLOUDNSNET185.136.99.0/24 Cloud DNS Ltd
PTRns4.a.io
MXa-io.mail.protection.outlook.com ⭐
A2a01:111:f403:c801::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sa9pr02cu00200.inbound.protection.outlook.com
A2a01:111:f403:c902::16🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-byapr04cu00306.inbound.protection.outlook.com
A2a01:111:f403:c946::2🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-ch4pr04cu00102.inbound.protection.outlook.com
A2a01:111:f403:f90d::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sn1pr0501cu00200.inbound.protection.outlook.com
A40.93.192.4🇺🇸 Microsoft40.80.0.0/12
PTRmail-dm2pr04cu00404.inbound.protection.outlook.com
A52.101.9.24🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl2pr02cu00400.inbound.protection.outlook.com
A52.101.194.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ch0pr04cu00504.inbound.protection.outlook.com
A52.101.194.17🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ch5pr02cu00401.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
TXTMS=ms78015345
SOAns1.a.iosupport@a.io 2026-05-25 #1

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1780525186
📈 Tranco rank: #50,198

Previously MX for

a.io

Subdomains

ns3.a.io
ns2.a.io
ns4.a.io
www.a.io
dns2.a.io
ns1.a.io
dns1.a.io

Same first word

a.net.nz
a.school
a.net.pl
a.cn
a.org
a.hr
a.dk
a.tv
a.com.se
a.gov.lv
a.net.cn
a.sc
a.realty
a.boutique
a.community
a.fm
a.com.my
a.com.mk
a.asia
a.me
a.ly
a.com.mx
a.ai
a.cx
a.ws
a.hn
a.team
a.ro
a.ink
a.org.pl
a.show
a.sv
a.ki
a.run
a.uy
a.sumy.ua
a.sk
a.md
a.te.ua
a.associates
a.pl
a.com.vn
a.af
a.ac
a.dj
a.construction
a.cool
a.bo
a.gifts
a.cooking
a.vg
a.co
a.fit
a.gg
a.hm
a.group
a.pizza
a.mp
a.mom
a.io
a.email
a.cloudfunctions.net
a.tools
a.codes
a.bargains
a.coupons
a.com.mt
a.app
a.is
a.institute
a.or.at
a.fi
a.blogspot.com
a.edu.vn
a.et
a.ua
a.cat
a.pn
a.am
a.coffee
a.university
a.cheap
a.com.cn
a.sg
a.finance
a.mortgage
a.gift
a.tt
a.game
a.pe
a.shoes
a.deals
a.top
a.sh
a.bw
a.rgr.jp
a.farm
a.country
a.fyi
a.enterprises

Similar names

a.nm.cn
a.nf
a.theatre
a.recipes
a.com.gt
a.cab
a.education
a.photo
a.xyz
a.fr
a.how
a.com.uy
a.center
a.industries
a.cash
a.akamaiedge-staging.net
a.tm
a.health
a.cr
a.wtf
a.holiday
a.bot
a.direct
a.clothing
a.lu
a.gp
a.travel
a.dentist
a.zone
a.ph
a.restaurant
a.care
a.dp.ua
a.ml
a.com.ar
a.ee
a.vu
a.amsterdam
a.de
a.com.pl
a.com.ph
a.com.pk
a.at
a.co.nl
a.land
a.co.uk
a.pro
a.au
a.city
a.fo
a.cm
a.express
a.geek.nz
a.co.il
a.hu
a.akamaiedge.net
a.appspot.com
a.com.ua
a.co.nz
a.org.pe
a.doctor
a.je
a.edgekey.net
a.cc
a.kg
a.cz
a.sd.cn
a.gt
a.mk
a.business
a.st
a.wedding
a.media
a.works
a.nt.ro
a.my
a.mba
a.network
a.foundation
a.fish
a.com.do
a.biz
a.im
a.discount
a.support
a.band
a.cl
a.to
a.gd
a.net.vn
a.careers
a.parts
a.gl
a.tennis
a.solutions
a.plus
a.events
a.pics
a.co.za
a.uk

DNS History

33 records (6 active, 27 former)

20162017201820192020202120222023202420252026NSns1.a.ions2.a.ions3.a.ions4.a.iol1.ns.divido.orgl1.ns.divido.org.a.iol2.ns.divido.orgns0.a.ions1.bluehost.comns1.domainery.comns2.bluehost.comns2.domainery.compdns07.domaincontrol.compdns08.domaincontrol.comMXa-io.mail.protection.outlook.coma.ioA85.10.133.119104.238.101.108149.56.126.228149.56.147.62159.8.40.55174.128.248.228174.128.248.232174.128.248.239184.171.246.70184.171.246.712610:150:8019::1:aa282610:150:8019::1:aa322a00:1768:2001:63::46:9846.166.184.9850.116.70.18950.21.180.10052.32.215.222
○NSl1.ns.divido.org2015-08-27 → 2015-09-29 · 4 obs
● 2015-08-27 03:43:34
● 2015-09-29 17:51:10
○ 2015-10-09 04:30:06
○ 2026-06-03 22:32:42
○NSl1.ns.divido.org.a.io2015-08-27 → 2015-09-29 · 4 obs
● 2015-08-27 03:43:34
● 2015-09-29 17:51:10
○ 2015-10-09 04:30:06
○ 2026-06-03 22:32:42
○NSl2.ns.divido.org2015-08-27 → 2015-09-29 · 4 obs
● 2015-08-27 03:43:34
● 2015-09-29 17:51:10
○ 2015-10-09 04:30:06
○ 2026-06-03 22:32:42
○NSns0.a.io2016-06-10 → 2016-06-24 · 5 obs
○ 2016-05-22 02:29:24
● 2016-06-10 10:56:30
● 2016-06-24 02:18:48
○ 2016-07-08 00:43:42
○ 2026-06-03 22:32:42
●NSns1.a.io2016-05-22 → 2026-06-03 · 3 obs
○ 2016-05-14 02:38:06
● 2016-05-22 02:29:24
● 2026-06-03 22:32:42
○NSns1.bluehost.com2016-05-14 → 2016-05-14 · 4 obs
○ 2016-04-21 06:38:36
● 2016-05-14 02:38:06
○ 2016-05-22 02:29:24
○ 2026-06-03 22:32:42
○NSns1.domainery.com2015-10-09 → 2015-10-09 · 4 obs
○ 2015-09-29 17:51:10
● 2015-10-09 04:30:06
○ 2015-10-31 06:54:02
○ 2026-06-03 22:32:42
●NSns2.a.io2016-05-22 → 2026-06-03 · 3 obs
○ 2016-05-14 02:38:06
● 2016-05-22 02:29:24
● 2026-06-03 22:32:42
○NSns2.bluehost.com2016-05-14 → 2016-05-14 · 4 obs
○ 2016-04-21 06:38:36
● 2016-05-14 02:38:06
○ 2016-05-22 02:29:24
○ 2026-06-03 22:32:42
○NSns2.domainery.com2015-10-09 → 2015-10-09 · 4 obs
○ 2015-09-29 17:51:10
● 2015-10-09 04:30:06
○ 2015-10-31 06:54:02
○ 2026-06-03 22:32:42
●NSns3.a.io2016-06-10 → 2026-06-03 · 3 obs
○ 2016-05-22 02:29:24
● 2016-06-10 10:56:30
● 2026-06-03 22:32:42
●NSns4.a.io2016-06-10 → 2026-06-03 · 3 obs
○ 2016-05-22 02:29:24
● 2016-06-10 10:56:30
● 2026-06-03 22:32:42
○NSpdns07.domaincontrol.com2015-10-31 → 2016-04-21 · 5 obs
○ 2015-10-09 04:30:06
● 2015-10-31 06:54:02
● 2016-04-21 06:38:36
○ 2016-05-14 02:38:06
○ 2026-06-03 22:32:42
○NSpdns08.domaincontrol.com2015-10-31 → 2016-04-21 · 5 obs
○ 2015-10-09 04:30:06
● 2015-10-31 06:54:02
● 2016-04-21 06:38:36
○ 2016-05-14 02:38:06
○ 2026-06-03 22:32:42
●MXa-io.mail.protection.outlook.com2015-10-31 → 2026-06-03 · 3 obs
○ 2015-10-09 04:30:06
● 2015-10-31 06:54:02
● 2026-06-03 22:32:42
○MXa.io2015-10-09 → 2015-10-09 · 3 obs
● 2015-10-09 04:30:06
○ 2015-10-31 06:54:02
○ 2026-06-03 22:32:42
○A104.238.101.1082015-10-09 → 2016-04-21 · 5 obs
○ 2015-09-29 17:51:10
● 2015-10-09 04:30:06
● 2016-04-21 06:38:36
○ 2016-05-14 02:38:06
○ 2026-06-03 22:32:42
○A149.56.126.2282016-08-16 → 2017-01-22 · 5 obs
○ 2016-08-03 15:32:06
● 2016-08-16 02:40:06
● 2017-01-22 00:32:08
○ 2017-03-22 07:05:22
○ 2026-06-03 22:32:42
○A149.56.147.622017-03-22 → 2017-07-03 · 5 obs
○ 2017-01-22 00:32:08
● 2017-03-22 07:05:22
● 2017-07-03 08:10:34
○ 2019-10-27 18:15:58
○ 2026-06-03 22:32:42
○A159.8.40.552019-10-27 → 2021-11-07 · 5 obs
○ 2017-07-03 08:10:34
● 2019-10-27 18:15:58
● 2021-11-07 23:45:56
○ 2026-02-14 23:12:00
○ 2026-06-03 22:32:42
○A174.128.248.2282016-08-16 → 2016-12-21 · 5 obs
○ 2016-08-03 15:32:06
● 2016-08-16 02:40:06
● 2016-12-21 10:25:00
○ 2016-12-24 01:37:14
○ 2026-06-03 22:32:42
○A174.128.248.2322017-03-22 → 2017-03-22 · 4 obs
○ 2017-01-22 00:32:08
● 2017-03-22 07:05:22
○ 2017-07-03 08:10:34
○ 2026-06-03 22:32:42
○A174.128.248.2392016-12-24 → 2017-01-22 · 5 obs
○ 2016-12-21 10:25:00
● 2016-12-24 01:37:14
● 2017-01-22 00:32:08
○ 2017-03-22 07:05:22
○ 2026-06-03 22:32:42
○A184.171.246.702016-07-08 → 2016-08-03 · 5 obs
○ 2016-06-24 02:18:48
● 2016-07-08 00:43:42
● 2016-08-03 15:32:06
○ 2016-08-16 02:40:06
○ 2026-06-03 22:32:42
○A184.171.246.712016-05-22 → 2016-05-29 · 5 obs
○ 2016-05-14 02:38:06
● 2016-05-22 02:29:24
● 2016-05-29 07:54:12
○ 2016-06-10 10:56:30
○ 2026-06-03 22:32:42
○A2610:150:8019::1:aa282016-08-16 → 2017-01-22 · 5 obs
○ 2016-08-03 15:32:06
● 2016-08-16 02:40:06
● 2017-01-22 00:32:08
○ 2017-03-22 07:05:22
○ 2026-06-03 22:32:42
○A2610:150:8019::1:aa322017-03-22 → 2017-03-22 · 4 obs
○ 2017-01-22 00:32:08
● 2017-03-22 07:05:22
○ 2017-07-03 08:10:34
○ 2026-06-03 22:32:42
○A2a00:1768:2001:63::46:982017-07-03 → 2017-07-03 · 4 obs
○ 2017-03-22 07:05:22
● 2017-07-03 08:10:34
○ 2019-10-27 18:15:58
○ 2026-06-03 22:32:42
○A46.166.184.982017-07-03 → 2017-07-03 · 4 obs
○ 2017-03-22 07:05:22
● 2017-07-03 08:10:34
○ 2019-10-27 18:15:58
○ 2026-06-03 22:32:42
○A50.116.70.1892016-05-14 → 2016-05-14 · 4 obs
○ 2016-04-21 06:38:36
● 2016-05-14 02:38:06
○ 2016-05-22 02:29:24
○ 2026-06-03 22:32:42
○A50.21.180.1002015-08-27 → 2015-09-29 · 4 obs
● 2015-08-27 03:43:34
● 2015-09-29 17:51:10
○ 2015-10-09 04:30:06
○ 2026-06-03 22:32:42
○A52.32.215.2222016-06-10 → 2016-06-24 · 5 obs
○ 2016-05-29 07:54:12
● 2016-06-10 10:56:30
● 2016-06-24 02:18:48
○ 2016-07-08 00:43:42
○ 2026-06-03 22:32:42
●A85.10.133.1192026-02-14 → 2026-06-03 · 3 obs
○ 2021-11-07 23:45:56
● 2026-02-14 23:12:00
● 2026-06-03 22:32:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioc0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io-
a.ions4.a.io, ns3.a.io, ns1.a.io, ns2.a.io8 records

✅ Authoritative Response

Server:185.136.97.251

NS records: ns4.a.io, ns3.a.io, ns1.a.io, ns2.a.io

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 275ms | Queries: -

📄 Records

TypeCountSample Data
A185.10.133.119
NS4ns2.a.io, ns1.a.io...
MX1a-io.mail.protection.outlook.com (pri: 0
TXT2v=spf1 include:spf.protection.outlook.co, MS=ms78015345
SOA1ns1.a.io support.a.io

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (ns1.a.io, ns2.a.io, ns3.a.io...)

Analysis

Hierarchy

a.io is a parent domain; its children include ns3.a.io, ns2.a.io, ns4.a.io, www.a.io, dns2.a.io and a few other host names.

IP Addresses

a.io points to a single IP number: 85.10.133.119.

Additional host names — www.worldofdomains.com, domainearl.com, xrnames.com and two others — share IP numbers with a.io.

Name Servers

Authority for a.io is delegated across 4 name servers: ns1.a.io, ns2.a.io, ns3.a.io and ns4.a.io.

a.io partially shares its NS delegation with several other domains, including aserv.net, a.mk, earltindolbodyshop.com and two others.

These name servers are frequently used alongside name servers ns1.aserv.net, ns2.aserv.net, ns3.aserv.net and three others.

ns1.a.io, ns2.a.io, ns3.a.io and ns4.a.io each carry two IP addresses. ns1.a.io has 185.136.96.251 and 2a06:fb00:1::1:251; ns2.a.io has 185.136.97.251 and 2a06:fb00:1::2:251; ns3.a.io has 185.136.98.251 and 2a06:fb00:1::3:251; ns4.a.io has 185.136.99.251 and 2a06:fb00:1::4:251.

Mail Servers

a.io has one mail server: a-io.mail.protection.outlook.com.

a-io.mail.protection.outlook.com points to 8 IP addresses: 40.93.192.4, 52.101.9.24, 52.101.194.12 and five others.