`blk.brightscope.com`

DNSSEC	⚠️ Not signed
A	13.216.81.109^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
		PTR	`ec2-13-216-81-109.compute-1.amazonaws.com`
A	98.88.204.225^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
A	174.129.13.50^{🇺🇸 Amazon174.129.0.0/16 Execution Services}

`brightscope.com`

	DNSSEC	⚠️ Not signed
	A	192.55.215.144^{🇺🇸 AS393616192.55.215.0/24 Switch Communications Customer Route}
	NS	`ns-744.awsdns-29.net` ⭐
	NS	`ns-1057.awsdns-04.org`
	NS	`ns-1834.awsdns-37.co.uk`
	NS	`ns-436.awsdns-54.com`
	MX	`brightscope-com.mail.protection.outlook.com` ⭐
	TXT	`MS=ms75957580`
	TXT	`v=spf1 include:authsmtp.com include:spf.intermedia.net include:_spf.issgovern...`
	SOA	`ns-744.awsdns-29.net`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (71/100)
rank #374619 globally
rank #166344 in the tld
⚠️ On DNS blocklist: pro.plus, ultimate
WOT: SAFE (94/100)
📈 Tranco rank: #693,646

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net...	-
brightscope.com	ns-744.awsdns-29.net, ns-436.awsdns-54.com, ns-1834.awsdns-37.co.uk, ns-1057.awsdns-04.org	1 record

✅ Authoritative Response

Server: 205.251.193.180

NS records: ns-744.awsdns-29.net, ns-436.awsdns-54.com, ns-1834.awsdns-37.co.uk, ns-1057.awsdns-04.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for brightscope.com (unsigned zone)

⏱️ Timing

Total: 478ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`98.88.204.225, 13.216.81.109...`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-436.awsdns-54.com)

Analysis

IP Addresses

blk.brightscope.com resolves to three IP numbers: 13.216.81.109, 98.88.204.225 and 174.129.13.50.

Other host names, for instance, ec2-174-129-13-50.compute-1.amazonaws.com share IP numbers with blk.brightscope.com.

blk.brightscope.com - robtex.com