`mail.coolhole.net`

	DNSSEC	⚠️ Not signed
	A	172.58.183.20^{🇺🇸 TMobileUSA172.58.176.0/21 USA}

`coolhole.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2edf^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8eb2^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.223^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.178^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`desiree.ns.cloudflare.com` ⭐
NS	`rocky.ns.cloudflare.com`
MX	`mail.coolhole.net` ⭐
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.223, 172.67.142.178
		IPv6 hints	2606:4700:3032::6815:2edf, 2606:4700:3036::ac43:8eb2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOA	`desiree.ns.cloudflare.com`dns@cloudflare.com serial=2411572678

📈 Tranco rank: #135,889

MX for

coolhole.net

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DNS History

1 record (1 active, 0 former)

●A172.58.183.202026-07-11 → 2026-08-07 · 2 obs

● 2026-07-11 22:46:02
● 2026-08-07 23:45:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coolhole.net	rocky.ns.cloudflare.com, desiree.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.227

NS records: rocky.ns.cloudflare.com, desiree.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolhole.net (unsigned zone)

⏱️ Timing

Total: 251ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.58.183.20`

Analysis

Mail Server Role

Mail for coolhole.net is routed through the mail server mail.coolhole.net.

IP Addresses

mail.coolhole.net has exactly one IP address — 172.58.183.20.

mail.coolhole.net - robtex.com