`mail.checkcard.com`

DNSSEC

⚠️ Not signed

`checkcard.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:85b9^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5ba^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.186^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.185^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`julian.ns.cloudflare.com` ⭐
NS	`ryleigh.ns.cloudflare.com`
TXT	`v=spf1 -all`
TXT	`zt4frcxnk15yv7b5wgg779080lqm0xc4`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.186, 172.67.133.185
		IPv6 hints	2606:4700:3031::ac43:85b9, 2606:4700:3037::6815:5ba
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=231, name=cloudflare-ech.com
SOA	`julian.ns.cloudflare.com`dns@cloudflare.com serial=2403159381

Previously MX for

checkcard.com

mail.checkcard.com

Same first word

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DNS History

2 records (0 active, 2 former)

○MXmail.checkcard.com2015-06-01 → 2016-03-24 · 5 obs

○ 2007-11-25 07:30:36
● 2015-06-01 11:12:28
● 2016-03-24 00:42:38
○ 2026-05-09 10:27:48
○ 2026-05-11 18:38:12

○A208.71.52.502007-11-25 → 2016-03-24 · 4 obs

● 2007-11-25 07:30:36
● 2016-03-24 00:42:38
○ 2026-05-09 10:27:48
○ 2026-05-11 18:38:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
checkcard.com	ryleigh.ns.cloudflare.com, julian.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.198

NS records: ryleigh.ns.cloudflare.com, julian.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 175ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 12

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

mail.checkcard.com - robtex.com