`ga.advisorchallenge.com`

DNSSEC	⚠️ Not signed
A	66.103.151.238^{🇺🇸 AS1655766.103.151.0/24 proxy-registered route by Cogent}
MX	`ga.advisorchallenge.com` ⭐
		A	66.103.151.238^{🇺🇸 AS1655766.103.151.0/24 proxy-registered route by Cogent}
TXT	`v=spf1 ip4:66.103.151.0/24 ip4:66.103.133.0/24 ip4:66.103.151.238/32 -all`

`advisorchallenge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1bfc^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:8fd2^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.252^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.210^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dom.ns.cloudflare.com` ⭐
NS	`vita.ns.cloudflare.com`
MX	`mail.advisorchallenge.com` ⭐
TXT	`v=spf1 a mx include:ga.advisorchallenge.com ip4:66.103.151.0/24 ip4:66.103.1...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.252, 172.67.143.210
		IPv6 hints	2606:4700:3030::6815:1bfc, 2606:4700:3031::ac43:8fd2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=52, name=cloudflare-ech.com
SOA	`dom.ns.cloudflare.com`dns@cloudflare.com serial=2400695171

MX for

ga.advisorchallenge.com

Subdomains

smtp1-5.ga.advisorchallenge.com

Same first word

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DNS History

2 records (2 active, 0 former)

●MXga.advisorchallenge.com2017-07-07 → 2026-04-24 · 2 obs

● 2017-07-07 15:42:48
● 2026-04-24 11:26:56

●A66.103.151.2382017-07-07 → 2026-04-24 · 2 obs

● 2017-07-07 15:42:48
● 2026-04-24 11:26:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
advisorchallenge.com	dom.ns.cloudflare.com, vita.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.238

NS records: dom.ns.cloudflare.com, vita.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for advisorchallenge.com (unsigned zone)

⏱️ Timing

Total: 355ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.103.151.238`
MX	1	`ga.advisorchallenge.com (pri: 10)`
TXT	1	`v=spf1 ip4:66.103.151.0/24 ip4:66.103.13`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

ga.advisorchallenge.com is the parent of smtp1-5.ga.advisorchallenge.com.

Mail Server Role

For ga.advisorchallenge.com, the mail server is ga.advisorchallenge.com.

IP Addresses

ga.advisorchallenge.com points to a single IP number: 66.103.151.238.

Other host names, for instance smtp1-5.ga.advisorchallenge.com, share IP numbers with ga.advisorchallenge.com.

Mail Servers

One mail server handles ga.advisorchallenge.com.

Host name ga.advisorchallenge.com points to IP address 66.103.151.238.

ga.advisorchallenge.com - robtex.com