`a01.ms.a.microsoft.com`

DNSSEC	⚠️ Not signed
A	23.55.176.68^{🇺🇸 AKAMAI-ASN123.55.176.0/24 Akamai Technologies}
		PTR	`a23-55-176-68.deploy.static.akamaitechnologies.com`
A	23.55.176.74^{🇺🇸 AKAMAI-ASN123.55.176.0/24 Akamai Technologies}

Same first word

a01.info

a01.lt

a01.tv

a01.se

a01.de

a01.cat

a01.ch

a01.gr

a01.co

a01.com

a01.at

a01.fr

a01.com.au

a01.live

a01.org

a01.azurefd.net

a01.be

a01.eu

a01.cn

a01.xyz

a01.co.uk

a01.us

a01.jp

a01.pl

a01.rs

a01.nl

a01.it

a01.net

a01.ovh

a01.top

a01.ru

a01.tech

Similar names

a10.com

a10.name

a10.net

a10.se

a10.fi

a10.tv

a10.co

01a.eu

10a.cc

01a.net

a10.pl

0a1.eu

a10.no

a10.online

a10.amsterdam

a10.eu

a10.info

1a0.at

01a.de

1a0.net

10a.es

1a0.de

a10.biz

10a.city

0a1.ru

01a.cc

10a.ca

1a0.ru

0a1.com

01a.com

a10.cl

10a.de

10a.nl

a10.ru

a10.fr

10a.net

a10.cn

a10.de

a10.ch

a10.com.ua

a10.lt

a10.top

a10.is

01a.ru

01a.ch

10a.it

a10.at

a10.co.uk

1a0.cc

1a0.org

a10.it

10a.cz

01a.jp

a10.ro

10a.org

a10.edu.vn

a10.si

a10.pt

a10.be

10a.uk

10a.hk

01a.co.uk

10a.ru

a10.co.il

0a1.com.cn

10a.dk

01a.org

01a.me

a10.com.br

a10.me

a10.jp

1a0.eu

a10.apartments

a10.gr

a10.hosting

0a1.net

a10.us

10a.com

1a0.com

10a.ch

a10.es

a10.dk

10a.io

01a.at

a10.mx

10a.be

a10.xyz

a10.one

a10.nl

0a1.de

a10.in

1a0.cn

DNS History

23 records (2 active, 21 former)

○A104.97.14.182026-04-10 → 2026-04-14 · 8 obs

○ 2026-04-10 00:19:18
● 2026-04-10 13:28:38
○ 2026-04-10 17:30:28
○ 2026-04-12 09:55:32
● 2026-04-14 01:18:18
● 2026-04-14 11:31:08
○ 2026-04-16 16:22:50
○ 2026-04-29 03:23:22

○A104.97.14.652026-04-10 → 2026-04-14 · 8 obs

○ 2026-04-10 00:19:18
● 2026-04-10 13:28:38
○ 2026-04-10 17:30:28
○ 2026-04-12 09:55:32
● 2026-04-14 01:18:18
● 2026-04-14 11:31:08
○ 2026-04-16 16:22:50
○ 2026-04-29 03:23:22

○A173.223.163.1992026-02-22 → 2026-04-29 · 2 obs

○ 2026-02-22 15:15:46
○ 2026-04-29 03:23:22

○A173.223.163.2152026-02-22 → 2026-04-29 · 2 obs

○ 2026-02-22 15:15:46
○ 2026-04-29 03:23:22

○A2.16.106.212026-03-10 → 2026-04-28 · 49 obs

○ 2026-03-02 16:55:58
● 2026-03-10 19:23:42
● 2026-03-12 04:11:42
○ 2026-03-13 17:53:10
● 2026-03-14 06:57:20
○ 2026-03-14 16:32:26
● 2026-03-14 17:46:20
○ 2026-03-16 15:37:30
● 2026-03-17 04:47:22
● 2026-03-28 12:51:26
○ 2026-03-29 20:15:42
○ 2026-03-31 02:01:54
● 2026-03-31 03:53:02
● 2026-04-02 01:27:44
○ 2026-04-02 02:23:08
● 2026-04-02 03:20:38
○ 2026-04-03 12:38:40
○ 2026-04-04 09:15:40
● 2026-04-06 14:35:14
● 2026-04-08 08:27:54
○ 2026-04-08 13:29:30
○ 2026-04-08 23:03:34
● 2026-04-09 03:08:04
● 2026-04-10 00:19:18
○ 2026-04-10 13:28:38
● 2026-04-10 17:30:28
● 2026-04-12 01:28:50
○ 2026-04-12 07:44:36
○ 2026-04-17 07:07:58
● 2026-04-17 09:52:24
● 2026-04-21 16:09:50
○ 2026-04-21 21:48:52
● 2026-04-22 01:22:34
● 2026-04-24 04:53:22
○ 2026-04-24 12:43:16
○ 2026-04-24 17:47:50
● 2026-04-24 19:29:12
○ 2026-04-25 03:02:28
● 2026-04-25 19:17:20
○ 2026-04-26 00:56:34
● 2026-04-26 11:01:40
○ 2026-04-26 17:05:10
● 2026-04-26 19:07:54
● 2026-04-27 03:08:12
○ 2026-04-27 06:06:34
○ 2026-04-28 06:19:30
● 2026-04-28 12:07:42
○ 2026-04-28 18:53:50
○ 2026-04-29 03:23:22

○A2.16.106.82026-03-10 → 2026-04-28 · 49 obs

○A2.21.23.152026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-27 03:27:56
● 2026-03-02 16:55:58
○ 2026-03-10 19:23:42
○ 2026-04-29 03:23:22

○A2.21.23.162026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-27 03:27:56
● 2026-03-02 16:55:58
○ 2026-03-10 19:23:42
○ 2026-04-29 03:23:22

○A23.205.106.1432026-03-16 → 2026-04-08 · 7 obs

○ 2026-03-14 17:46:20
● 2026-03-16 15:37:30
○ 2026-03-17 04:47:22
○ 2026-04-08 13:29:30
● 2026-04-08 23:03:34
○ 2026-04-09 03:08:04
○ 2026-04-29 03:23:22

○A23.205.106.1822026-03-16 → 2026-04-08 · 7 obs

○ 2026-03-14 17:46:20
● 2026-03-16 15:37:30
○ 2026-03-17 04:47:22
○ 2026-04-08 13:29:30
● 2026-04-08 23:03:34
○ 2026-04-09 03:08:04
○ 2026-04-29 03:23:22

○A23.217.118.2142026-02-27 → 2026-04-24 · 7 obs

○ 2026-02-22 15:15:46
● 2026-02-27 03:27:56
○ 2026-03-02 16:55:58
○ 2026-04-24 04:53:22
● 2026-04-24 12:43:16
○ 2026-04-24 15:47:04
○ 2026-04-29 03:23:22

○A23.217.118.2152026-02-27 → 2026-04-24 · 7 obs

○ 2026-02-22 15:15:46
● 2026-02-27 03:27:56
○ 2026-03-02 16:55:58
○ 2026-04-24 04:53:22
● 2026-04-24 12:43:16
○ 2026-04-24 15:47:04
○ 2026-04-29 03:23:22

○A23.220.75.1992026-04-03 → 2026-04-27 · 29 obs

○ 2026-04-02 03:20:38
● 2026-04-03 12:38:40
● 2026-04-04 09:15:40
○ 2026-04-06 14:35:14
○ 2026-04-12 01:28:50
● 2026-04-12 07:44:36
● 2026-04-12 09:55:32
○ 2026-04-14 01:18:18
○ 2026-04-14 11:31:08
● 2026-04-16 16:22:50
● 2026-04-17 07:07:58
○ 2026-04-17 09:52:24
○ 2026-04-21 16:09:50
● 2026-04-21 21:48:52
○ 2026-04-22 01:22:34
○ 2026-04-24 12:43:16
● 2026-04-24 15:47:04
● 2026-04-24 17:47:50
○ 2026-04-24 19:29:12
○ 2026-04-25 19:17:20
● 2026-04-26 00:56:34
○ 2026-04-26 11:01:40
● 2026-04-26 17:05:10
○ 2026-04-26 19:07:54
○ 2026-04-27 03:08:12
● 2026-04-27 06:06:34
● 2026-04-27 14:49:28
○ 2026-04-28 06:19:30
○ 2026-04-29 03:23:22

○A23.220.75.2062026-04-28 → 2026-04-28 · 3 obs

○ 2026-04-28 12:07:42
● 2026-04-28 18:53:50
○ 2026-04-29 03:23:22

○A23.220.75.2092026-04-03 → 2026-04-28 · 31 obs

○A23.44.131.142026-02-22 → 2026-02-22 · 3 obs

● 2026-02-22 15:15:46
○ 2026-02-27 03:27:56
○ 2026-04-29 03:23:22

○A23.44.131.452026-02-22 → 2026-02-22 · 3 obs

● 2026-02-22 15:15:46
○ 2026-02-27 03:27:56
○ 2026-04-29 03:23:22

○A23.53.11.2122026-03-31 → 2026-03-31 · 4 obs

○ 2026-03-29 20:15:42
● 2026-03-31 02:01:54
○ 2026-03-31 03:53:02
○ 2026-04-29 03:23:22

○A23.53.11.2162026-03-31 → 2026-03-31 · 4 obs

○ 2026-03-29 20:15:42
● 2026-03-31 02:01:54
○ 2026-03-31 03:53:02
○ 2026-04-29 03:23:22

●A23.55.176.682026-03-13 → 2026-04-29 · 16 obs

○ 2026-03-12 04:11:42
● 2026-03-13 17:53:10
○ 2026-03-14 06:57:20
● 2026-03-14 16:32:26
○ 2026-03-14 17:46:20
○ 2026-03-28 12:51:26
● 2026-03-29 20:15:42
○ 2026-03-31 02:01:54
○ 2026-04-08 08:27:54
● 2026-04-08 13:29:30
○ 2026-04-08 23:03:34
○ 2026-04-24 19:29:12
● 2026-04-25 03:02:28
○ 2026-04-25 19:17:20
○ 2026-04-28 18:53:50
● 2026-04-29 03:23:22

●A23.55.176.742026-03-13 → 2026-04-29 · 16 obs

○A23.66.3.852026-04-02 → 2026-04-02 · 4 obs

○ 2026-04-02 01:27:44
● 2026-04-02 02:23:08
○ 2026-04-02 03:20:38
○ 2026-04-29 03:23:22

○A23.66.3.922026-04-02 → 2026-04-02 · 4 obs

○ 2026-04-02 01:27:44
● 2026-04-02 02:23:08
○ 2026-04-02 03:20:38
○ 2026-04-29 03:23:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net...	-
microsoft.com	ns1-39.azure-dns.com, ns2-39.azure-dns.net, ns3-39.azure-dns.org, ns4-39.azure-dns.info	1 record
a.microsoft.com	zb.akamaitech.net, zc.akamaitech.net, zd.akamaitech.net, zf.akamaitech.net...	-
ms.a.microsoft.com	n4ms.a.microsoft.com, n6ms.a.microsoft.com, n3ms.a.microsoft.com, n2ms.a.microsoft.com...	9 records

✅ Authoritative Response

Server:23.7.250.203

NS records: n4ms.a.microsoft.com, n6ms.a.microsoft.com, n3ms.a.microsoft.com, n2ms.a.microsoft.com, n5ms.a.microsoft.com, n1ms.a.microsoft.com, n0ms.a.microsoft.com, n7ms.a.microsoft.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for microsoft.com (unsigned zone)

⏱️ Timing

Total: 870ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`23.55.176.74, 23.55.176.68`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns1-39.azure-dns.com, n4ms.a.microsoft.com, n3ms.a.microsoft.com...)

Analysis

IP Addresses

a01.ms.a.microsoft.com points to two IPs: 23.55.176.68 and 23.55.176.74.

Other host names including a1616.ms.akamai.net.0.1.cn.akamaitech.net, a2271.x.akamai.net, a3763.ms.akamai.net.0.1.cn.akamaitech.net, a769.ms.akamai.net and a2353.ms.akamai.net share IP numbers with a01.ms.a.microsoft.com.

a01.ms.a.microsoft.com - robtex.com