mail.drgoodstein.com - dns.ninja

`mail.drgoodstein.com`

	CNAME	`mail.imatrixbase.com`
	CNAME	`mail.imatrixbase.com.cust.b.hostedemail.com`
	DNSSEC	⚠️ Not signed
	A	64.98.38.190^{🇨🇦 TUCOWS-364.98.38.0/24 IPv4 Allow}

`drgoodstein.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:29a3^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:943b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.163^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.59^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chan.ns.cloudflare.com` ⭐
NS	`doug.ns.cloudflare.com`
MX	`mx.imatrixbase.com` ⭐
TXT	`v=spf1 ip4:64.98.40.0/22 ip4:64.98.36.17`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.163, 172.67.148.59
		IPv6 hints	2606:4700:3031::6815:29a3, 2606:4700:3031::ac43:943b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com
SOA	`chan.ns.cloudflare.com`dns@cloudflare.com serial=2410533575

Previously MX for

drgoodstein.com

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DNS History

3 records (1 active, 2 former)

○A64.98.36.1902015-10-10 → 2016-08-11 · 4 obs

○ 2015-05-01 05:32:10
● 2015-10-10 03:11:16
● 2016-08-11 00:36:40
○ 2026-08-03 21:41:40

○A98.158.198.462015-05-01 → 2015-05-01 · 3 obs

● 2015-05-01 05:32:10
○ 2015-10-10 03:11:16
○ 2026-08-03 21:41:40

●CNAMEmail.imatrixbase.com2015-10-10 → 2026-08-03 · 2 obs

● 2015-10-10 03:11:16
● 2026-08-03 21:41:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...	-
drgoodstein.com	chan.ns.cloudflare.com, doug.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.82

NS records: chan.ns.cloudflare.com, doug.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for drgoodstein.com (unsigned zone)

⏱️ Timing

Total: 80ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.imatrixbase.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (chan.ns.cloudflare.com, chan.ns.cloudflare.com, chan.ns.cloudflare.com...)

Analysis

IP Addresses

mail.drgoodstein.com directs to one IP number, which is 64.98.38.190.

Other host names, among them mail.durangovet.com and mail.imatrixbase.com.cust.b.hostedemail.com, have IP numbers in common with mail.drgoodstein.com.