`mail.yjbuilding.com`

	DNSSEC	⚠️ Not signed
	A	66.81.203.198^{🇻🇬 AS4067666.81.203.0/24 Maintained by origin AS40034. Assigned to pyschznetworks (AS40676)}

`yjbuilding.com`

	DNSSEC	⚠️ Not signed
	NS	`ns1.bdm.microsoftonline.com` ⭐
	NS	`ns2.bdm.microsoftonline.com`
	NS	`ns3.bdm.microsoftonline.com`
	NS	`ns4.bdm.microsoftonline.com`
	MX	`yjbuilding-com.mail.protection.outlook.com` ⭐
	TXT	`mscid=BvrZvcpM2PqhQtxgmBvLDx4G45zEDvzX7DlbsahClG3acWDYaMHFXCsijSxJrooCV9TC33/...`
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	SOA	`ns1.bdm.microsoftonline.com`azuredns-hostmaster@microsoft.com serial=1

Previously MX for

yjbuilding.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A66.147.244.2232015-07-18 → 2016-07-09 · 3 obs

● 2015-07-18 14:31:04
● 2016-07-09 23:49:46
○ 2026-04-25 05:28:10

●A66.81.203.1982026-04-25 → 2026-04-25 · 2 obs

○ 2016-07-09 23:49:46
● 2026-04-25 05:28:10

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:150.171.21.208

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 yjbuilding.com (unsigned zone)

⏱️ Timing

Total: 72ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.81.203.198`

📌 Glue Records Collected

Total: 8

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

Analysis

IP Addresses

mail.yjbuilding.com resolves to one IP number: 66.81.203.198.

Other host names, for instance michaelellsberg.com, watertimes.org, ns2.bluehost.com.bluebubblephotography.com, entepravasam.com and corporateofficeinfo.com share IP numbers with mail.yjbuilding.com.

mail.yjbuilding.com - robtex.com