`mail.coreknowledge.org`

DNSSEC	⚠️ Not signed
A	50.78.234.50^{🇺🇸 COMCAST-IBONE50.76.0.0/14 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
		PTR	`mail.coreknowledge.org`

`coreknowledge.org`

	DNSSEC	⚠️ Not signed
	A	199.16.172.118^{🇺🇸 Automattic199.16.172.0/24 PRESSABLE}
	A	199.16.173.204^{🇺🇸 Automattic199.16.173.0/24 PRESSABLE}
	NS	`pablo.ns.cloudflare.com` ⭐
	NS	`tani.ns.cloudflare.com`
	MX	`coreknowledge-org.mail.protection.outlook.com` ⭐
	TXT	`MS=4C360946EA3BD270114A72D2D5EB89D061816645`
	TXT	`MS=ms33014913`
	TXT	`ca3-443a0fcffce7459ebc37484eb47077b7`
	TXT	`google-site-verification=i51AEK4IIddA0kbS5P7q51NQI9w6frPO6citsWhucTk`
	TXT	`v=spf1 mx include:spf.protection.outlook.com ip4:50.78.234.50 ~all`
	SOA	`pablo.ns.cloudflare.com`dns@cloudflare.com serial=2410814906

WOT: SAFE (60/100)
rank #110616 globally
rank #10205 in the tld
WOT: SAFE (60/100)
📈 Tranco rank: #130,536

PTR for

50.234.78.50.in-addr.arpa

Previously MX for

www.coreknowledge.org

coreknowledge.org

Same first word

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DNS History

2 records (1 active, 1 former)

○A216.12.92.182015-08-16 → 2015-12-06 · 4 obs

● 2015-08-16 07:45:54
● 2015-12-06 06:38:20
○ 2016-01-14 00:09:32
○ 2026-07-30 02:58:14

●A50.78.234.502015-08-16 → 2026-07-30 · 2 obs

● 2015-08-16 07:45:54
● 2026-07-30 02:58:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
coreknowledge.org	tani.ns.cloudflare.com, pablo.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.220

NS records: tani.ns.cloudflare.com, pablo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coreknowledge.org (unsigned zone)

⏱️ Timing

Total: 177ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.78.234.50`

Analysis

IP Addresses

mail.coreknowledge.org points to a single IP number: 50.78.234.50.

mail.coreknowledge.org - dns.ninja