`mail.brainknight.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:980^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:82dd^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.9.128^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.221^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.9.128, 172.67.130.221
		IPv6 hints	2606:4700:3032::6815:980, 2606:4700:3032::ac43:82dd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=81, name=cloudflare-ech.com

`brainknight.com`

	DNSSEC	⚠️ Not signed
	A	20.22.16.164^{🇺🇸 Microsoft20.0.0.0/11 MICROSOFT}
	NS	`jewel.ns.cloudflare.com` ⭐
	NS	`ricardo.ns.cloudflare.com`
	MX	`smtp.google.com` ⭐
	TXT	`_qg8njab1df1wgtvc532wwbpc0w4d11z`
	TXT	`google-site-verification=XO9w9XR71D8bX8tVUE8rUEXbuoQeC2wtdd4iPOOMsZw`
	SOA	`jewel.ns.cloudflare.com`dns@cloudflare.com serial=2401099431

Previously MX for

brainknight.com

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DNS History

5 records (4 active, 1 former)

●A104.21.9.1282026-04-24 → 2026-04-24 · 2 obs

○ 2016-04-23 17:42:08
● 2026-04-24 21:48:32

●A172.67.130.2212026-04-24 → 2026-04-24 · 2 obs

○ 2016-04-23 17:42:08
● 2026-04-24 21:48:32

●A2606:4700:3032::6815:9802026-04-24 → 2026-04-24 · 2 obs

○ 2016-04-23 17:42:08
● 2026-04-24 21:48:32

●A2606:4700:3032::ac43:82dd2026-04-24 → 2026-04-24 · 2 obs

○ 2016-04-23 17:42:08
● 2026-04-24 21:48:32

○A69.195.124.942016-04-23 → 2016-04-23 · 2 obs

● 2016-04-23 17:42:08
○ 2026-04-24 21:48:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...	-
brainknight.com	jewel.ns.cloudflare.com, ricardo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.171

NS records: jewel.ns.cloudflare.com, ricardo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for brainknight.com (unsigned zone)

⏱️ Timing

Total: 353ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.9.128, 172.67.130.221`
AAAA	2	`2606:4700:3032::ac43:82dd, 2606:4700:3032::6815:980`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.brainknight.com refers to four IP numbers: 2606:4700:3032::6815:980, 2606:4700:3032::ac43:82dd, 104.21.9.128 and 172.67.130.221.

Other host names, for instance www.2008sc.cn, monarchspin.com, yrdloan.com, mail.california-age-management.com and mail.brentellis.info share IP numbers with mail.brainknight.com.

mail.brainknight.com - robtex.com