`misc.grc.com`

CNAME	`s3.amazonaws.com`
DNSSEC	⚠️ Not signed
A	16.15.176.67^{🇺🇸 Amazon16.15.176.0/21 EC2 Prefix}
A	16.15.183.98^{🇺🇸 Amazon16.15.176.0/21 EC2 Prefix}
A	16.15.199.14^{🇺🇸 Amazon16.15.192.0/21 EC2 Prefix}
A	16.15.252.94^{🇺🇸 Amazon16.15.248.0/21 EC2 Prefix}
A	16.182.66.176^{🇺🇸 Amazon16.182.66.0/24}
A	52.216.37.192^{🇺🇸 Amazon52.216.32.0/20 AWS S3}
A	52.216.43.40^{🇺🇸 Amazon52.216.32.0/20 AWS S3}
A	52.217.74.142^{🇺🇸 Amazon52.217.72.0/22 AWS S3}
NS	`ns-1579.awsdns-05.co.uk` ⭐
		A	2600:9000:5306:2b00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1579.awsdns-05.co.uk`
		A	205.251.198.43^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1579.awsdns-05.co.uk`
NS	`ns-1300.awsdns-34.org`
		A	2600:9000:5305:1400::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1300.awsdns-34.org`
		A	205.251.197.20^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1300.awsdns-34.org`
NS	`ns-63.awsdns-07.com`
		A	2600:9000:5300:3f00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-63.awsdns-07.com`
		A	205.251.192.63^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-63.awsdns-07.com`
NS	`ns-771.awsdns-32.net`
		A	2600:9000:5303:300::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-771.awsdns-32.net`
		A	205.251.195.3^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-771.awsdns-32.net`
TXT	`c0979eacb5be1fee817b1513a28ff974`
SOA	`ns-1579.awsdns-05.co.uk`awsdns-hostmaster@amazon.com serial=1

`grc.com`

	DNSSEC	⚠️ Not signed
	A	4.79.142.200^{🇺🇸 AS33564.0.0.0/9}
	NS	`grc.com` ⭐
	NS	`ns4.customer.level3.net`
	NS	`ns6.customer.level3.net`
	MX	`grc.com` ⭐
	TXT	`_e9izydias4fdktb7grdz8lx129rf0kz`
	TXT	`_bpovimyxhv2xbvowiwnvlkhz27b4z4f`
	TXT	`google-site-verification=lTHvpojcfPIYXGkOqbku5TcOkpo52Exo-qWuQJi5bpw`
	TXT	`v=spf1 ip4:4.79.142.192/28 a:client.grc.com a:grc.com -all`
	TXT	`7pdq8vl28psslbzzx8g9s3pbwjvksk24`
	SOA	`grc.com`dns2005@grc.com 2026-02-10 #0

WOT: SAFE (93/100)
rank #5375 globally
rank #2697 in the tld
🔒 HSTS Preload
WOT: SAFE (93/100)
📈 Tranco rank: #21,548

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DNS History

1 record (1 active, 0 former)

●CNAMEs3.amazonaws.com2026-03-12 → 2026-03-12 · 2 obs

● 2026-03-12 05:43:56
● 2026-03-12 14:45:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
grc.com	ns4.customer.level3.net, ns6.customer.level3.net	-

✅ Authoritative Response

Server: 209.244.4.53

NS records: ns4.customer.level3.net, ns6.customer.level3.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grc.com (unsigned zone)

⏱️ Timing

Total: 261ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`s3.amazonaws.com`

Analysis

IP Addresses

misc.grc.com maps to eight IPs: 16.15.176.67, 16.15.183.98, 16.15.199.14, 16.15.252.94, 16.182.66.176, 52.216.37.192, 52.216.43.40 and 52.217.74.142.

Other host names, for instance generic.dns.authentication.technology and s3.amazonaws.com, share IP numbers with misc.grc.com.

Name Servers

misc.grc.com is delegated to four name servers: ns-63.awsdns-07.com, ns-771.awsdns-32.net, ns-1300.awsdns-34.org and ns-1579.awsdns-05.co.uk.

misc.grc.com shares name servers with other domains at least partially, for instance d2x3bkdslnxkuj.cloudfront.net, d5mawgkkp819u.cloudfront.net, cchwallstreet.com, taxdome.de and idealio.fr.

These name servers are commonly used with ns-536.awsdns-03.net, ns-354.awsdns-44.com, ns-1635.awsdns-12.co.uk, ns1.getnetset.com, ns2.getnetset.com and ns-1268.awsdns-30.org.

Host names with two IP numbers:

ns-63.awsdns-07.com resolves to 2600:9000:5300:3f00::1 and 205.251.192.63.

ns-771.awsdns-32.net resolves to 2600:9000:5303:300::1 and 205.251.195.3.

ns-1300.awsdns-34.org resolves to 2600:9000:5305:1400::1 and 205.251.197.20.

ns-1579.awsdns-05.co.uk resolves to 2600:9000:5306:2b00::1 and 205.251.198.43.

misc.grc.com - robtex.com

misc.grc.com

grc.com