`mail.yorkdevelopmentgroup.com`

DNSSEC	⚠️ Not signed
A	216.55.149.40^{🇨🇦 INFB216.55.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
		PTR	`mailc45.carrierzone.com`

`yorkdevelopmentgroup.com`

	DNSSEC	⚠️ Not signed
	A	199.34.228.55^{🇺🇸 WEEBLY199.34.228.0/24}
	NS	`ns1.digitalspaceportal.net` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.att-websites.com` ⚠️ Not in zone NS records
	NS	`ns2.att-websites.com` ⚠️ Not in zone NS records
	NS	`ns2.digitalspaceportal.net` ⚠️ Not in parent delegation
	MX	`yorkdevelopmentgroup-com.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	SOA	`ns1.digitalspaceportal.net`postmaster@carrierzone.com 2025-11-26 #13

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DNS History

2 records (1 active, 1 former)

○A149.115.27.1652015-05-23 → 2016-07-26 · 4 obs

● 2015-05-23 03:30:30
● 2016-07-26 01:27:28
○ 2026-03-14 18:24:56
○ 2026-03-29 18:48:00

●A216.55.149.402026-03-14 → 2026-03-29 · 3 obs

○ 2016-07-26 01:27:28
● 2026-03-14 18:24:56
● 2026-03-29 18:48:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net...	-
yorkdevelopmentgroup.com	ns1.att-websites.com, ns2.att-websites.com	2 records

✅ Authoritative Response

Server:66.175.41.73

NS records: ns1.att-websites.com, ns2.att-websites.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yorkdevelopmentgroup.com (unsigned zone)

⏱️ Timing

Total: 327ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.55.149.40`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.att-websites.com, ns2.att-websites.com)

Analysis

IP Addresses

mail.yorkdevelopmentgroup.com resolves to one IP number: 216.55.149.40.

Other host names, for instance mail.mediadirect.com, mail.riceman.net, webmail.law-r.com, mail.devriesintl.com and mail.westal.net share IP numbers with mail.yorkdevelopmentgroup.com.

mail.yorkdevelopmentgroup.com - robtex.com