`webmail.coursetrends.com`

DNSSEC	⚠️ Not signed
A	52.22.245.206^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
		PTR	`awsmail.coursetrends.com`

`coursetrends.com`

	DNSSEC	⚠️ Not signed
	A	52.22.76.68^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
	NS	`ns-1787.awsdns-31.co.uk` ⭐
	NS	`ns-139.awsdns-17.com`
	NS	`ns-1404.awsdns-47.org`
	NS	`ns-799.awsdns-35.net`
	MX	`mail.coursetrends.com` ⭐
	TXT	`jh2k4tcpf65a80m1tlrprfpl13`
	TXT	`v=spf1 include:_spf.salesforce.com include:_spf.coursetrends.com include:_spf...`
	SOA	`ns-1787.awsdns-31.co.uk`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (66/100)
WOT: UNKNOWN (81/100)
📈 Tranco rank: #152,682

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DNS History

2 records (1 active, 1 former)

●A52.22.245.2062026-04-12 → 2026-04-12 · 1 obs

● 2026-04-12 12:43:00

○CNAMEmail.coursetrends.com2017-10-23 → 2017-10-23 · 2 obs

● 2017-10-23 12:48:02
○ 2026-04-12 12:43:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
coursetrends.com	ns-139.awsdns-17.com, ns-799.awsdns-35.net, ns-1787.awsdns-31.co.uk, ns-1404.awsdns-47.org	1 record

✅ Authoritative Response

Server:205.251.192.139

NS records: ns-139.awsdns-17.com, ns-799.awsdns-35.net, ns-1787.awsdns-31.co.uk, ns-1404.awsdns-47.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursetrends.com (unsigned zone)

⏱️ Timing

Total: 296ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.22.245.206`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-139.awsdns-17.com)

Analysis

IP Addresses

webmail.coursetrends.com points to a single IP: 52.22.245.206.

Other host names, for instance ns1.coursetrends.com, mail.golf18network.com, mail.eteesheet.com, _dc-mx.cb26b411f634.golfclubofdublin.com and mail.playtheturtle.com share IP numbers with webmail.coursetrends.com.

webmail.coursetrends.com - robtex.com