`microsoft-365.com`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	217.160.0.77^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1017.ui-dns.org` ⭐
		A	2607:f1c0:fe:53:185:132:35:17^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1017.ui-dns.org`
		A	185.132.35.17^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1017.ui-dns.org`
NS	`ns1021.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:21^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1021.ui-dns.biz`
		A	185.132.33.21^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1021.ui-dns.biz`
NS	`ns1029.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:29^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1029.ui-dns.de`
		A	185.132.32.29^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1029.ui-dns.de`
NS	`ns1124.ui-dns.com`
		A	2607:f1c0:fe:53:185:132:34:124^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1124.ui-dns.com`
		A	185.132.34.124^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1124.ui-dns.com`
MX	`microsoft365-com02c.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca27::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::1^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::2^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
		A	52.101.168.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	52.101.170.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	52.101.170.1^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	52.101.170.2^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
TXT	`v=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all`
SOA	`ns1017.ui-dns.org`hostmaster@1und1.com 2017-06-01 #16

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785372282

Same first word

microsoft-365.cn

microsoft-365.net

microsoft-365.com.ph

microsoft-365.app

microsoft-365.com

microsoft-365.ph

microsoft-365.nl

Similar names

365-microsoft.net

365-microsoft.com

DNS History

12 records (7 active, 5 former)

●NSns1017.ui-dns.org2026-05-18 → 2026-07-30 · 3 obs

○ 2017-08-08 12:45:28
● 2026-05-18 17:43:20
● 2026-07-30 00:47:42

●NSns1021.ui-dns.biz2026-05-18 → 2026-07-30 · 3 obs

○ 2017-08-08 12:45:28
● 2026-05-18 17:43:20
● 2026-07-30 00:47:42

●NSns1029.ui-dns.de2026-05-18 → 2026-07-30 · 3 obs

○ 2017-08-08 12:45:28
● 2026-05-18 17:43:20
● 2026-07-30 00:47:42

●NSns1124.ui-dns.com2026-05-18 → 2026-07-30 · 3 obs

○ 2017-08-08 12:45:28
● 2026-05-18 17:43:20
● 2026-07-30 00:47:42

○NSns57.domaincontrol.com2016-12-02 → 2017-08-08 · 4 obs

● 2016-12-02 16:23:50
● 2017-08-08 12:45:28
○ 2026-05-18 17:43:20
○ 2026-07-30 00:47:42

○NSns58.domaincontrol.com2016-12-02 → 2017-08-08 · 4 obs

● 2016-12-02 16:23:50
● 2017-08-08 12:45:28
○ 2026-05-18 17:43:20
○ 2026-07-30 00:47:42

○MXmailstore1.secureserver.net2016-12-02 → 2017-08-08 · 4 obs

● 2016-12-02 16:23:50
● 2017-08-08 12:45:28
○ 2026-05-18 17:43:20
○ 2026-07-30 00:47:42

●MXmicrosoft365-com02c.mail.protection.outlook.com2026-05-18 → 2026-07-30 · 3 obs

○ 2017-08-08 12:45:28
● 2026-05-18 17:43:20
● 2026-07-30 00:47:42

○MXsmtp.secureserver.net2016-12-02 → 2017-08-08 · 4 obs

● 2016-12-02 16:23:50
● 2017-08-08 12:45:28
○ 2026-05-18 17:43:20
○ 2026-07-30 00:47:42

○A184.168.221.502016-12-02 → 2017-08-08 · 4 obs

● 2016-12-02 16:23:50
● 2017-08-08 12:45:28
○ 2026-05-18 17:43:20
○ 2026-07-30 00:47:42

●A2001:8d8:100f:f000::2002026-05-18 → 2026-07-30 · 3 obs

○ 2017-08-08 12:45:28
● 2026-05-18 17:43:20
● 2026-07-30 00:47:42

●A217.160.0.772026-05-18 → 2026-07-30 · 3 obs

○ 2017-08-08 12:45:28
● 2026-05-18 17:43:20
● 2026-07-30 00:47:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
microsoft-365.com	ns1017.ui-dns.org, ns1021.ui-dns.biz, ns1029.ui-dns.de, ns1124.ui-dns.com	2 records

✅ Authoritative Response

Server:185.132.32.29

NS records: ns1017.ui-dns.org, ns1021.ui-dns.biz, ns1029.ui-dns.de, ns1124.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for microsoft-365.com (unsigned zone)

⏱️ Timing

Total: 490ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.77`
AAAA	1	`2001:8d8:100f:f000::200`
NS	4	`ns1029.ui-dns.de, ns1021.ui-dns.biz...`
MX	1	`microsoft365-com02c.mail.protection.outl`
TXT	1	`v=spf1 include:_spf-eu.ionos.com include`
SOA	1	`ns1017.ui-dns.org hostmaster.1und1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1124.ui-dns.com, ns1124.ui-dns.com)

Analysis

IP Addresses

microsoft-365.com has two IP addresses: 217.160.0.77 and 2001:8d8:100f:f000::200

Additional host names — pftalents.de, dorow-massivhaus.de, gretaluis.com and two others — share IP numbers with microsoft-365.com.

Name Servers

microsoft-365.com has four authoritative name servers: ns1021.ui-dns.biz, ns1124.ui-dns.com, ns1029.ui-dns.de and ns1017.ui-dns.org.

The name servers of microsoft-365.com overlap at least partially with those of other domains — among them odasart.com, oezdo.de, mc-bestattungen.de and two more.

These name servers commonly appear in delegations together with ns1124.ui-dns.biz, ns1124.ui-dns.de, ns1124.ui-dns.org and 7 other.

Each of the four hosts ns1021.ui-dns.biz, ns1124.ui-dns.com, ns1029.ui-dns.de and ns1017.ui-dns.org has two IP addresses. ns1021.ui-dns.biz points to 185.132.33.21 and 2607:f1c0:fe:53:185:132:33:21. ns1124.ui-dns.com points to 185.132.34.124 and 2607:f1c0:fe:53:185:132:34:124. ns1029.ui-dns.de points to 185.132.32.29 and 2607:f1c0:fe:53:185:132:32:29. ns1017.ui-dns.org points to 185.132.35.17 and 2607:f1c0:fe:53:185:132:35:17.

Mail Servers

microsoft-365.com has one mail server: microsoft365-com02c.mail.protection.outlook.com.

microsoft365-com02c.mail.protection.outlook.com points to 8 IP numbers: 52.101.168.0, 52.101.170.0, 52.101.170.1 and 5 other.

microsoft-365.com - robtex.com