`mail.webstudio4u.net`

DNSSEC	⚠️ Not signed
A	66.45.226.90^{🇺🇸 NJIIX-166.45.224.0/19 NJIIX.net 110B Meadowlands Pkwy Secaucus, NJ 07094}
		PTR	`mail.rusbid.com`

`webstudio4u.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:ac05^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:4ff1^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.241^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.5^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`duke.ns.cloudflare.com` ⭐
NS	`pam.ns.cloudflare.com`
MX	`mail.webstudio4u.net` ⭐
TXT	`v=spf1 ip4:66.45.226.90 a mx ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.241, 172.67.172.5
		IPv6 hints	2606:4700:3030::ac43:ac05, 2606:4700:3031::6815:4ff1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=163, name=cloudflare-ech.com
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2402686785

MX for

webstudio4u.net

Same first word

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DNS History

2 records (1 active, 1 former)

○A192.198.83.82016-01-24 → 2016-04-18 · 3 obs

● 2016-01-24 20:40:06
● 2016-04-18 08:45:44
○ 2026-05-15 04:38:04

●A66.45.226.902026-05-15 → 2026-05-15 · 2 obs

○ 2016-04-18 08:45:44
● 2026-05-15 04:38:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	f.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net...	-
webstudio4u.net	duke.ns.cloudflare.com, pam.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.138

NS records: duke.ns.cloudflare.com, pam.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for webstudio4u.net (unsigned zone)

⏱️ Timing

Total: 288ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.45.226.90`

Analysis

Mail Server Role

mail.webstudio4u.net serves as the mail server for webstudio4u.net.

IP Addresses

mail.webstudio4u.net points to a single IP: 66.45.226.90.

Other host names, for instance mail.rusbid.com, njmea.sofins.org, mail.topgorod.com, mail.postagemaker.com and mail.college2000.org share IP numbers with mail.webstudio4u.net.

mail.webstudio4u.net - robtex.com