`ptccloud.onmicrosoft.com`

DNSSEC	⚠️ Not signed
MX	`ptccloud.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr05cu00501.inbound.protection.outlook.com`
		A	2a01:111:f403:f907::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm1pr04cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr04cu00201.inbound.protection.outlook.com`
		A	52.101.9.5^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr04cu00205.inbound.protection.outlook.com`
		A	52.101.40.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr03cu00106.inbound.protection.outlook.com`
		A	52.101.41.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00305.inbound.protection.outlook.com`
		A	52.101.41.56^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr21cu00100.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`mscid=0CxoT4cHo1GkkcKnoCZzO8pLEbrxVQx+6fmY7711aMGpyK032ax/7EuS7nds1Vj48hsv2lx...`

`onmicrosoft.com`

	DNSSEC	⚠️ Not signed
	NS	`ns1-208.azure-dns.com` ⭐
	NS	`ns1.bdm.microsoftonline.com`
	NS	`ns2.bdm.microsoftonline.com`
	NS	`ns3.bdm.microsoftonline.com`
	NS	`ns4.bdm.microsoftonline.com`
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	TXT	`google-site-verification=1-9fQJjGKgDh7UVF1XcVfBMOr-C1emzk5wjD0ZqnULc`
	SOA	`ns1-208.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

WOT: SAFE (50/100)
rank #357615 globally
rank #152193 in the tld
WOT: SAFE (50/100)
📈 Tranco rank: #2,330

Subdomains

autodiscover.ptccloud.onmicrosoft.com

Same first word

ptccloud.com

Similar names

cloudcpt.com

tcpcloud.net

tcpcloud.eu

cloudtcp.cn

pctcloud.com

ctpcloud.com

tcpcloud.com

ctpcloud.net

cptcloud.com

pctcloud.net

cloudtcp.net

DNS History

5 records (1 active, 4 former)

○NSns1.bdm.microsoftonline.com2017-03-09 → 2017-03-09 · 3 obs

● 2017-03-09 02:37:52
○ 2026-04-02 22:05:26
○ 2026-05-13 05:30:36

○NSns2.bdm.microsoftonline.com2017-03-09 → 2017-03-09 · 3 obs

● 2017-03-09 02:37:52
○ 2026-04-02 22:05:26
○ 2026-05-13 05:30:36

○NSns3.bdm.microsoftonline.com2017-03-09 → 2017-03-09 · 3 obs

● 2017-03-09 02:37:52
○ 2026-04-02 22:05:26
○ 2026-05-13 05:30:36

○NSns4.bdm.microsoftonline.com2017-03-09 → 2017-03-09 · 3 obs

● 2017-03-09 02:37:52
○ 2026-04-02 22:05:26
○ 2026-05-13 05:30:36

●MXptccloud.mail.protection.outlook.com2017-03-09 → 2026-05-13 · 2 obs

● 2017-03-09 02:37:52
● 2026-05-13 05:30:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
onmicrosoft.com	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com	8 records

✅ Authoritative Response

Server:208.84.5.208

NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for onmicrosoft.com (unsigned zone)

⏱️ Timing

Total: 103ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`ptccloud.mail.protection.outlook.com (pr`
TXT	2	`v=spf1 include:spf.protection.outlook.co, mscid=0CxoT4cHo1GkkcKnoCZzO8pLEbrxVQx+6f`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...)

Analysis

Hierarchy

The parent of autodiscover.ptccloud.onmicrosoft.com is ptccloud.onmicrosoft.com.

Mail Servers

ptccloud.onmicrosoft.com is handled by a single mail server, ptccloud.mail.protection.outlook.com.

Hostname ptccloud.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c801::, 2a01:111:f403:c922::1, 2a01:111:f403:f907::1, 2a01:111:f403:f90f::1, 52.101.9.5, 52.101.40.6, 52.101.41.21 and 52.101.41.56.

ptccloud.onmicrosoft.com - robtex.com