`mail.guitarmasterclass.net`

DNSSEC	⚠️ Not signed
A	172.104.134.253^{🇩🇪 AKAMAI-LINODE-AP172.104.128.0/19 Akamai Technologies}
		PTR	`mail.guitarmasterclass.net`

`guitarmasterclass.net`

DNSSEC	⚠️ Not signed
A	2606:4700:10::6814:12b1^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:10::ac42:a22d^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.20.18.177^{Cloudflare104.20.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.162.45^{🇺🇸 Cloudflare172.66.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`tess.ns.cloudflare.com` ⭐
NS	`toby.ns.cloudflare.com`
MX	`mail.guitarmasterclass.net` ⭐
TXT	`v=spf1 a mx ip4:172.104.134.253 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.20.18.177, 172.66.162.45
		IPv6 hints	2606:4700:10::6814:12b1, 2606:4700:10::ac42:a22d
SOA	`tess.ns.cloudflare.com`dns@cloudflare.com serial=2401272968

WOT: SAFE (94/100)
rank #439635 globally
rank #12497 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #322,445

PTR for

253.134.104.172.in-addr.arpa

MX for

guitarmasterclass.net

Previously MX for

gmc.my

gmcstatic.com

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DNS History

3 records (1 active, 2 former)

○A139.162.144.2492016-02-05 → 2016-12-15 · 5 obs

○ 2015-10-11 22:46:00
● 2016-02-05 06:20:30
● 2016-12-15 03:39:36
○ 2026-02-17 17:13:34
○ 2026-04-13 13:57:28

●A172.104.134.2532026-02-17 → 2026-04-13 · 3 obs

○ 2016-12-15 03:39:36
● 2026-02-17 17:13:34
● 2026-04-13 13:57:28

○A62.95.110.812009-01-31 → 2009-01-31 · 3 obs

● 2009-01-31 03:03:32
○ 2015-10-11 22:46:00
○ 2026-04-13 13:57:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...	-
guitarmasterclass.net	tess.ns.cloudflare.com, toby.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.239

NS records: tess.ns.cloudflare.com, toby.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for guitarmasterclass.net (unsigned zone)

⏱️ Timing

Total: 323ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.104.134.253`

Analysis

Mail Server Role

mail.guitarmasterclass.net is the mail server for guitarmasterclass.net.

IP Addresses

mail.guitarmasterclass.net resolves to one IP number: 172.104.134.253.

mail.guitarmasterclass.net - robtex.com