`blk-usa.com`

DNSSEC	⚠️ Not signed
NS	`ns-1788.awsdns-31.co.uk` ⚠️ Not in zone NS records
		A	2600:9000:5306:fc00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1788.awsdns-31.co.uk`
		A	205.251.198.252^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1788.awsdns-31.co.uk`
NS	`ns-931.awsdns-52.net` ⚠️ Not in zone NS records
		A	2600:9000:5303:a300::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-931.awsdns-52.net`
		A	205.251.195.163^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-931.awsdns-52.net`

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786760889

⚠️ On DNS blocklist: tif

Same first word

blk-usa.com

Similar names

uk-labs.com

as-klub.si

klub-as.pl

sk-abul.spb.ru

DNS History

2 records (2 active, 0 former)

●NSns-1788.awsdns-31.co.uk2026-07-25 → 2026-08-15 · 2 obs

● 2026-07-25 06:43:56
● 2026-08-15 02:36:46

●NSns-931.awsdns-52.net2026-07-25 → 2026-08-15 · 2 obs

● 2026-07-25 06:43:56
● 2026-08-15 02:36:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
blk-usa.com	ns-931.awsdns-52.net, ns-1788.awsdns-31.co.uk	-

✅ Authoritative Response

Server:205.251.198.252

NS records: ns-931.awsdns-52.net, ns-1788.awsdns-31.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blk-usa.com (unsigned zone)

⏱️ Timing

Total: 221ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

blk-usa.com is served by two delegated name servers, ns-931.awsdns-52.net and ns-1788.awsdns-31.co.uk.

blk-usa.com has at least partial name server overlap with other domains, such as firsthomecoach.co.uk, thecyberdashboard.com, test.trendsecure.com and two others.

Each of the two host names carries two IP addresses: ns-931.awsdns-52.net points to 205.251.195.163 and 2600:9000:5303:a300::1, and ns-1788.awsdns-31.co.uk points to 205.251.198.252 and 2600:9000:5306:fc00::1.

blk-usa.com - robtex.com

blk-usa.com

com