`mail.blackrockcode.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:40e4^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:9c40^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.64.228^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.156.64^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.64.228, 172.67.156.64
		IPv6 hints	2606:4700:3031::6815:40e4, 2606:4700:3032::ac43:9c40
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=54, name=cloudflare-ech.com

`blackrockcode.com`

	DNSSEC	⚠️ Not signed
	A	162.214.99.132^{🇺🇸 EIGI162.214.96.0/21}
	NS	`gerardo.ns.cloudflare.com` ⭐
	NS	`harleigh.ns.cloudflare.com`
	MX	`_dc-mx.222387c40efe.blackrockcode.com` ⭐
	TXT	`v=spf1 ip4:162.214.99.132 +a +mx ~all`
	SOA	`gerardo.ns.cloudflare.com`dns@cloudflare.com serial=2406530592

Previously MX for

blackrockcode.com

Same first word

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DNS History

6 records (4 active, 2 former)

●A104.21.64.2282026-07-28 → 2026-07-29 · 3 obs

○ 2026-05-13 21:20:56
● 2026-07-28 19:07:28
● 2026-07-29 17:36:42

○A108.179.198.2482019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 02:26:58
○ 2026-03-04 12:24:00
○ 2026-07-29 17:36:42

○A162.214.99.1322026-03-04 → 2026-05-13 · 5 obs

○ 2019-12-24 02:26:58
● 2026-03-04 12:24:00
● 2026-05-13 21:20:56
○ 2026-07-28 19:07:28
○ 2026-07-29 17:36:42

●A172.67.156.642026-07-28 → 2026-07-29 · 3 obs

○ 2026-05-13 21:20:56
● 2026-07-28 19:07:28
● 2026-07-29 17:36:42

●A2606:4700:3031::6815:40e42026-07-28 → 2026-07-29 · 3 obs

○ 2026-05-13 21:20:56
● 2026-07-28 19:07:28
● 2026-07-29 17:36:42

●A2606:4700:3032::ac43:9c402026-07-28 → 2026-07-29 · 3 obs

○ 2026-05-13 21:20:56
● 2026-07-28 19:07:28
● 2026-07-29 17:36:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
blackrockcode.com	harleigh.ns.cloudflare.com, gerardo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.230

NS records: harleigh.ns.cloudflare.com, gerardo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blackrockcode.com (unsigned zone)

⏱️ Timing

Total: 224ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.156.64, 104.21.64.228`
AAAA	2	`2606:4700:3031::6815:40e4, 2606:4700:3032::ac43:9c40`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.blackrockcode.com points to the four IP addresses 104.21.64.228, 172.67.156.64, 2606:4700:3031::6815:40e4 and 2606:4700:3032::ac43:9c40.

Two other host names, along with quickbookscustomerservice.co, zxalt.com and www.graphsempty.click, also share IP numbers with mail.blackrockcode.com.

mail.blackrockcode.com - dns.ninja