`mail.coretechweb.com`

DNSSEC	⚠️ Not signed
A	50.6.4.191^{🇺🇸 ORACLE-OCI-3189850.6.4.0/23 Oracle Corporation}
		PTR	`50-6-4-191.unifiedlayer.com`

`coretechweb.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:686^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:9adf^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.6.134^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.154.223^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`crystal.ns.cloudflare.com` ⭐
NS	`jimmy.ns.cloudflare.com`
MX	`mail.coretechweb.com` ⭐
TXT	`v=spf1 +mx +a +ip4:50.6.4.191 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.6.134, 172.67.154.223
		IPv6 hints	2606:4700:3032::6815:686, 2606:4700:3033::ac43:9adf
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=234, name=cloudflare-ech.com
SOA	`crystal.ns.cloudflare.com`dns@cloudflare.com serial=2404147098

MX for

coretechweb.com

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DNS History

1 record (1 active, 0 former)

●A50.6.4.1912026-05-14 → 2026-05-14 · 2 obs

● 2026-05-14 21:13:04
● 2026-05-14 22:18:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coretechweb.com	crystal.ns.cloudflare.com, jimmy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.76

NS records: crystal.ns.cloudflare.com, jimmy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coretechweb.com (unsigned zone)

⏱️ Timing

Total: 214ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.6.4.191`

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.coretechweb.com is the mail server for coretechweb.com.

IP Addresses

mail.coretechweb.com resolves to one IP number: 50.6.4.191.

other host names including mail.infusiogames.com, mail.evanpens.com, mail.leonardstyle.com, mail.tovadevices.com and mail.niritrails.com share IP numbers with mail.coretechweb.com.

mail.coretechweb.com - robtex.com