`4dcfs.ca`

DNSSEC	⚠️ Not signed
A	209.89.123.228^{🇨🇦 ASN-TELUS209.89.0.0/16 NETBLK-ISTAR0010}
NS	`ns1.bdm.microsoftonline.com` ⭐
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com`
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com` ⚠️ Not in parent delegation
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com` ⚠️ Not in parent delegation
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
MX	`4dcfs-ca.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c942::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	2a01:111:f403:c942::2^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00602.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu00900.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu01001.inbound.protection.outlook.com`
		A	52.101.190.0^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt5pr01cu00100.inbound.protection.outlook.com`
		A	52.101.190.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	52.101.192.0^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yqzpr01cu00900.inbound.protection.outlook.com`
		A	52.101.192.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yqzpr01cu01001.inbound.protection.outlook.com`
TXT	`mscid=+lgCSMnE4ZNmMPDpZyUv13o5EvPAKuY+gZimKzcqkc43MKolzOkNIb7BQNFL/H2dQOsH/aJ...`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.bdm.microsoftonline.com`azuredns-hostmaster@microsoft.com serial=1

`ca`

	DNSSEC	🔒 Signed (DS record present)
	NS	`prd-czp-05.corp.cira.ca` ⭐
	NS	`any.ca-servers.ca`
	NS	`c.ca-servers.ca`
	NS	`d.ca-servers.ca`
	NS	`j.ca-servers.ca`
	SOA	`prd-czp-05.corp.cira.ca`admin-dns@cira.ca serial=2604110330

Same first word

4dcfs.ca

Similar names

c4sdf.net

scfd4.org

cf4sd.com

dc4fs.de

DNS History

6 records (6 active, 0 former)

●NSns1.bdm.microsoftonline.com2026-04-03 → 2026-04-11 · 2 obs

● 2026-04-03 07:43:10
● 2026-04-11 03:47:56

●NSns2.bdm.microsoftonline.com2026-04-03 → 2026-04-11 · 2 obs

● 2026-04-03 07:43:10
● 2026-04-11 03:47:56

●NSns3.bdm.microsoftonline.com2026-04-03 → 2026-04-11 · 2 obs

● 2026-04-03 07:43:10
● 2026-04-11 03:47:56

●NSns4.bdm.microsoftonline.com2026-04-03 → 2026-04-11 · 2 obs

● 2026-04-03 07:43:10
● 2026-04-11 03:47:56

●MX4dcfs-ca.mail.protection.outlook.com2026-04-03 → 2026-04-11 · 2 obs

● 2026-04-03 07:43:10
● 2026-04-11 03:47:56

●A209.89.123.2282026-04-03 → 2026-04-11 · 2 obs

● 2026-04-03 07:43:10
● 2026-04-11 03:47:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	any.ca-servers.ca, j.ca-servers.ca, c.ca-servers.ca, d.ca-servers.ca	-
4dcfs.ca	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com	-

✅ Authoritative Response

Server:150.171.21.208

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4dcfs.ca (unsigned zone)

⏱️ Timing

Total: 465ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.89.123.228`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`4dcfs-ca.mail.protection.outlook.com (pr`
TXT	2	`mscid=+lgCSMnE4ZNmMPDpZyUv13o5EvPAKuY+gZ, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`