`blu401.hotmail.com`

DNSSEC	⚠️ Not signed
NS	`ns1-02.azure-dns.com` ⭐
		A	2603:1061:0:700::2^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-02.azure-dns.com`
		A	13.107.236.2^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-02.azure-dns.com`
NS	`ns2-02.azure-dns.net`
		A	2620:1ec:8ec:700::2^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-02.azure-dns.net`
		A	150.171.21.2^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-02.azure-dns.net`
NS	`ns3-02.azure-dns.org`
		A	2a01:111:4000:700::2^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-02.azure-dns.org`
		A	204.14.183.2^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-02.azure-dns.org`
NS	`ns4-02.azure-dns.info`
		A	2620:1ec:bda:700::2^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-02.azure-dns.info`
		A	208.84.5.2^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-02.azure-dns.info`
SOA	`ns1-02.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`hotmail.com`

	DNSSEC	⚠️ Not signed
	A	204.79.197.212^{🇺🇸 AS8068204.79.197.0/24 Microsoft}
	NS	`ns1-205.azure-dns.com` ⭐
	NS	`ns2-205.azure-dns.net`
	NS	`ns3-205.azure-dns.org`
	NS	`ns4-205.azure-dns.info`
	MX	`hotmail-com.olc.protection.outlook.com` ⭐
	TXT	`google-site-verification=gqFmgDKSUd3XGU_AzWWdojRHtW3_66W_PC3oFvQVZEw`
	TXT	`google-site-verification=VdfSHp3aOmiGxd6jcbkRPFy6EERzln_hMR3byLjU__w`
	TXT	`v=spf1 include:spf2.outlook.com -all`
	SOA	`ns1-205.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

WOT: SAFE (92/100)
rank #2701 globally
rank #1420 in the tld
WOT: SAFE (92/100)
📈 Tranco rank: #2,327

Hotmail.com

Hotmail was one of the world's first webmail services, launched on July 4, 1996 by Sabeer Bhatia and Jack Smith. The name "HoTMaiL" was chosen to reference HTML (HyperText Markup Language). Microsoft acquired the service on December 31, 1997, making it one of the company's earliest major internet acquisitions.

Current Status

Redirects to: Outlook.com (Microsoft's unified email platform)
Rebranded: Hotmail was officially replaced by Outlook.com in 2012-2013
Legacy accounts: Existing @hotmail.com email addresses continue to function through Outlook

Services

The Outlook.com platform (formerly Hotmail) provides:

Free webmail with 15 GB mailbox storage
5 GB cloud storage (OneDrive integration)
Calendar and contact management
Multi-platform apps (web, Windows, Mac, iOS, Android)
AI features via Microsoft Copilot (for paid subscribers)

Infrastructure

Hotmail.com is hosted entirely on Microsoft's global Azure infrastructure:

Nameservers: Microsoft DNS (ns1-39.azure-dns.com and related)
Mail servers: Microsoft 365 mail infrastructure (outlook-com.olc.protection.outlook.com)
AS: AS8075 (MICROSOFT-CORP-MSN-AS-BLOCK)

DNS History

8 records (4 active, 4 former)

●NSns1-02.azure-dns.com2026-02-23 → 2026-05-09 · 3 obs

○ 2016-12-11 07:04:48
● 2026-02-23 23:03:08
● 2026-05-09 17:10:00

○NSns1.msft.net2015-08-15 → 2016-12-11 · 4 obs

● 2015-08-15 21:56:52
● 2016-12-11 07:04:48
○ 2026-02-23 23:03:08
○ 2026-05-09 17:10:00

●NSns2-02.azure-dns.net2026-02-23 → 2026-05-09 · 3 obs

○ 2016-12-11 07:04:48
● 2026-02-23 23:03:08
● 2026-05-09 17:10:00

○NSns2.msft.net2015-08-15 → 2016-12-11 · 4 obs

● 2015-08-15 21:56:52
● 2016-12-11 07:04:48
○ 2026-02-23 23:03:08
○ 2026-05-09 17:10:00

●NSns3-02.azure-dns.org2026-02-23 → 2026-05-09 · 3 obs

○ 2016-12-11 07:04:48
● 2026-02-23 23:03:08
● 2026-05-09 17:10:00

○NSns3.msft.net2015-08-15 → 2016-12-11 · 4 obs

● 2015-08-15 21:56:52
● 2016-12-11 07:04:48
○ 2026-02-23 23:03:08
○ 2026-05-09 17:10:00

●NSns4-02.azure-dns.info2026-02-23 → 2026-05-09 · 3 obs

○ 2016-12-11 07:04:48
● 2026-02-23 23:03:08
● 2026-05-09 17:10:00

○NSns4.msft.net2015-08-15 → 2016-12-11 · 4 obs

● 2015-08-15 21:56:52
● 2016-12-11 07:04:48
○ 2026-02-23 23:03:08
○ 2026-05-09 17:10:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net...	-
hotmail.com	ns1-205.azure-dns.com, ns2-205.azure-dns.net, ns4-205.azure-dns.info, ns3-205.azure-dns.org	2 records
blu401.hotmail.com	ns4-02.azure-dns.info, ns3-02.azure-dns.org, ns2-02.azure-dns.net, ns1-02.azure-dns.com	-

✅ Authoritative Response

Server:13.107.236.2

NS records: ns4-02.azure-dns.info, ns3-02.azure-dns.org, ns2-02.azure-dns.net, ns1-02.azure-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hotmail.com (unsigned zone)

⏱️ Timing

Total: 559ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1-02.azure-dns.com, ns2-02.azure-dns.net...`
SOA	1	`ns1-02.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-205.azure-dns.com, ns1-205.azure-dns.com)

Analysis

Name Servers

blu401.hotmail.com is delegated to four name servers: ns1-02.azure-dns.com, ns4-02.azure-dns.info, ns2-02.azure-dns.net and ns3-02.azure-dns.org.

At least part of the name servers for blu401.hotmail.com are shared with other domains, for instance heartfeltpsychology.com.au, mpschools.org, microsoftnews.site, hotmailvalidation.us and neuroskills.com.

Host names with two IP numbers:

ns1-02.azure-dns.com points to: 2603:1061:0:700::2 and 13.107.236.2

ns4-02.azure-dns.info points to: 2620:1ec:bda:700::2 and 208.84.5.2

ns2-02.azure-dns.net points to: 2620:1ec:8ec:700::2 and 150.171.21.2

ns3-02.azure-dns.org points to: 2a01:111:4000:700::2 and 204.14.183.2

blu401.hotmail.com - robtex.com