`mail.glocourse.com`

	DNSSEC	⚠️ Not signed
	A	10.0.0.5

`glocourse.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:4564^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:cf66^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.69.100^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.207.102^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elmo.ns.cloudflare.com` ⭐
NS	`magdalena.ns.cloudflare.com`
MX	`mail.glocourse.com` ⭐
TXT	`v=spf1 +a +mx +ip4:185.7.33.56 +ip4:185.7.33.61 +ip4:10.0.0.5 +ip4:172.96.185...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.69.100, 172.67.207.102
		IPv6 hints	2606:4700:3033::6815:4564, 2606:4700:3036::ac43:cf66
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=108, name=cloudflare-ech.com
SOA	`elmo.ns.cloudflare.com`dns@cloudflare.com serial=2399480548

MX for

glocourse.com

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DNS History

2 records (1 active, 1 former)

●A10.0.0.52026-02-16 → 2026-05-10 · 3 obs

○ 2018-01-15 22:27:20
● 2026-02-16 13:27:58
● 2026-05-10 15:39:44

○A23.229.134.482018-01-15 → 2018-01-15 · 3 obs

● 2018-01-15 22:27:20
○ 2026-02-16 13:27:58
○ 2026-05-10 15:39:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net...	-
glocourse.com	elmo.ns.cloudflare.com, magdalena.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.163

NS records: elmo.ns.cloudflare.com, magdalena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for glocourse.com (unsigned zone)

⏱️ Timing

Total: 211ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`10.0.0.5`

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.glocourse.com serves as a mail server for glocourse.com.

IP Addresses

mail.glocourse.com resolves to one IP number: 10.0.0.5.

Other host names, for instance iviclddc.ivi.int, ns.kis.ac.in, mail.kohinoorns.in, hk.tbc258.com and itsc.cc share IP numbers with mail.glocourse.com.

mail.glocourse.com - robtex.com