`mail.studyleo.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:3a9f^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:cd66^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.159^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.102^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.58.159, 172.67.205.102
		IPv6	2606:4700:3036::6815:3a9f, 2606:4700:3036::ac43:cd66

`studyleo.com`

	DNSSEC	⚠️ Not signed
	A	94.130.221.197^{🇩🇪 Hetzner94.130.0.0/16 HETZNER-DC}
	NS	`hal.ns.cloudflare.com` ⭐
	NS	`rita.ns.cloudflare.com`
	MX	`mail.sudo.az` ⭐
	TXT	`google-site-verification=GVBh6cDT9o_GIst2IbLRhTGcN6x9z1kqop4tS476mRc`
	TXT	`v=spf1 +mx include:_spf.sudo.az -all`
	SOA	`hal.ns.cloudflare.com`dns@cloudflare.com serial=2397915903

rank #633791 globally
rank #288841 in the tld

Previously MX for

studyleo.com

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DNS History

5 records (4 active, 1 former)

●A104.21.58.1592026-03-29 → 2026-03-29 · 3 obs

○ 2018-06-11 05:05:54
● 2026-03-29 01:19:12
● 2026-03-29 01:19:14

○A160.153.131.1912018-06-11 → 2018-06-11 · 3 obs

● 2018-06-11 05:05:54
○ 2026-03-29 01:19:12
○ 2026-03-29 01:19:14

●A172.67.205.1022026-03-29 → 2026-03-29 · 3 obs

○ 2018-06-11 05:05:54
● 2026-03-29 01:19:12
● 2026-03-29 01:19:14

●A2606:4700:3036::6815:3a9f2026-03-29 → 2026-03-29 · 3 obs

○ 2018-06-11 05:05:54
● 2026-03-29 01:19:12
● 2026-03-29 01:19:14

●A2606:4700:3036::ac43:cd662026-03-29 → 2026-03-29 · 3 obs

○ 2018-06-11 05:05:54
● 2026-03-29 01:19:12
● 2026-03-29 01:19:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...	-
studyleo.com	rita.ns.cloudflare.com, hal.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.140

NS records: rita.ns.cloudflare.com, hal.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyleo.com (unsigned zone)

⏱️ Timing

Total: 75ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.58.159, 172.67.205.102`
AAAA	2	`2606:4700:3036::ac43:cd66, 2606:4700:3036::6815:3a9f`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.studyleo.com maps to four IP numbers: 2606:4700:3036::6815:3a9f, 2606:4700:3036::ac43:cd66, 104.21.58.159 and 172.67.205.102.

Other host names such as jhabuakadaknath.com, syzjbxw.cn, ratonii.ro, aoiatdusk.com and xn--h1aarew7ct.tk share IPs with mail.studyleo.com.

mail.studyleo.com - robtex.com