`costco-return.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:5e7b^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:df6f^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.94.123^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.111^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`grace.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`grace.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`grace.ns.cloudflare.com`
		A	108.162.192.159^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	172.64.32.159^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	173.245.58.159^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
NS	`randall.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ceb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3eb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`randall.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23eb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`randall.ns.cloudflare.com`
		A	108.162.195.235^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
		A	162.159.44.235^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
		A	172.64.35.235^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.94.123, 172.67.223.111
		IPv6 hints	2606:4700:3030::6815:5e7b, 2606:4700:3036::ac43:df6f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=205, name=cloudflare-ech.com
SOA	`grace.ns.cloudflare.com`dns@cloudflare.com serial=2397844304

`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=1776235222

⚠️ On DNS blocklist: tif

Same first word

costco-return.com

Similar names

e-constructor.ru

DNS History

6 records (6 active, 0 former)

●NSgrace.ns.cloudflare.com2026-03-19 → 2026-04-15 · 2 obs

● 2026-03-19 23:21:48
● 2026-04-15 06:59:00

●NSrandall.ns.cloudflare.com2026-03-19 → 2026-04-15 · 2 obs

● 2026-03-19 23:21:48
● 2026-04-15 06:59:00

●A104.21.94.1232026-03-19 → 2026-04-15 · 2 obs

● 2026-03-19 23:21:48
● 2026-04-15 06:59:00

●A172.67.223.1112026-03-19 → 2026-04-15 · 2 obs

● 2026-03-19 23:21:48
● 2026-04-15 06:59:00

●A2606:4700:3030::6815:5e7b2026-03-19 → 2026-04-15 · 2 obs

● 2026-03-19 23:21:48
● 2026-04-15 06:59:00

●A2606:4700:3036::ac43:df6f2026-03-19 → 2026-04-15 · 2 obs

● 2026-03-19 23:21:48
● 2026-04-15 06:59:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
costco-return.com	grace.ns.cloudflare.com, randall.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.235

NS records: grace.ns.cloudflare.com, randall.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for costco-return.com (unsigned zone)

⏱️ Timing

Total: 186ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.94.123, 172.67.223.111`
AAAA	2	`2606:4700:3030::6815:5e7b, 2606:4700:3036::ac43:df6f`
NS	2	`grace.ns.cloudflare.com, randall.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`grace.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (grace.ns.cloudflare.com, grace.ns.cloudflare.com, grace.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by costco-return.com: 2606:4700:3030::6815:5e7b, 2606:4700:3036::ac43:df6f, 104.21.94.123 and 172.67.223.111.

other host names including odac.co.id, thatbookplace.com, slimbeauty.cn, kvtotomerbabu.com and bankers.ca share IP numbers with costco-return.com.

Name Servers

costco-return.com is delegated to two name servers grace.ns.cloudflare.com and randall.ns.cloudflare.com.

costco-return.com shares the same name server setup as other domains, for instance indiashows.com, messpic.com, walletcheck.cc, twowordbird.com and 8kiptv2026.com.

costco-return.com at least partially shares name servers with other domains, for instance arsenaltech.com, h1bdirect.com, firatoglu.net, yt-lodb4018.cc and aavc-virmp.org.

these name servers are commonly used alongside pablo.ns.cloudflare.com.

Host names with six IP numbers:

Host name grace.ns.cloudflare.com points to: 2606:4700:50::adf5:3a9f, 2803:f800:50::6ca2:c09f, 2a06:98c1:50::ac40:209f, 108.162.192.159, 172.64.32.159 and 173.245.58.159.

Host name randall.ns.cloudflare.com points to: 2606:4700:58::a29f:2ceb, 2803:f800:50::6ca2:c3eb, 2a06:98c1:50::ac40:23eb, 108.162.195.235, 162.159.44.235 and 172.64.35.235.

costco-return.com - robtex.com