`mail.master-class.live`

DNSSEC	⚠️ Not signed
A	158.94.208.18^{🇬🇧 APIVERSA158.94.208.0/24}
		PTR	`mail.master-class.live`

`master-class.live`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:39d8^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a70b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.57.216^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.11^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anna.ns.cloudflare.com` ⭐
NS	`rob.ns.cloudflare.com`
MX	`mail.master-class.live` ⭐
TXT	`v=spf1 a mx ip4:158.94.208.18 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.57.216, 172.67.167.11
		IPv6 hints	2606:4700:3033::6815:39d8, 2606:4700:3036::ac43:a70b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=92, name=cloudflare-ech.com
SOA	`anna.ns.cloudflare.com`dns@cloudflare.com serial=2406121851

PTR for

18.208.94.158.in-addr.arpa

MX for

master-class.live

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DNS History

1 record (1 active, 0 former)

●A158.94.208.182026-03-23 → 2026-07-17 · 2 obs

● 2026-03-23 15:49:42
● 2026-07-17 23:29:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
live	v0n0.nic.live, v0n1.nic.live, v0n2.nic.live, v0n3.nic.live...	12 records
master-class.live	rob.ns.cloudflare.com, anna.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.102

NS records: rob.ns.cloudflare.com, anna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for master-class.live (unsigned zone)

⏱️ Timing

Total: 292ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`158.94.208.18`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.live, v0n0.nic.live, v0n1.nic.live...)

Analysis

Mail Server Role

master-class.live uses mail.master-class.live as a mail server.

IP Addresses

mail.master-class.live resolves to one IP address: 158.94.208.18.

dagenspuls.com, for instance, is one of the other host names sharing IP numbers with mail.master-class.live.

mail.master-class.live - robtex.com