mail.tuhielo.com - robtex.com

mail.tuhielo.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:cec2🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:455b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.69.91Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.206.194🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.69.91, 172.67.206.194
IPv6 hints2606:4700:3034::ac43:cec2, 2606:4700:3036::6815:455b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com

tuhielo.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:cec2🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:455b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.69.91Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.206.194🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSclara.ns.cloudflare.com ⭐
NSmemphis.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.69.91, 172.67.206.194
IPv6 hints2606:4700:3034::ac43:cec2, 2606:4700:3036::6815:455b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com
SOAclara.ns.cloudflare.comdns@cloudflare.com serial=2409906588

PTR for

83.143.42.193.in-addr.arpa

Same first word

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DNS History

10 records (4 active, 6 former)

A104.21.69.91172.67.206.1942606:4700:3034::ac43:cec22606:4700:3036::6815:455b188.114.96.0188.114.97.02606:4700:3032::6815:455b2606:4700:3033::ac43:cec22a06:98c1:3120::2a06:98c1:3121::
●A104.21.69.912026-02-15 → 2026-08-06 · 7 obs
● 2026-02-15 07:48:42
● 2026-03-03 00:27:36
○ 2026-03-03 10:05:58
● 2026-04-21 23:26:52
● 2026-05-03 07:59:14
○ 2026-05-03 12:19:42
● 2026-08-06 19:29:32
●A172.67.206.1942026-02-15 → 2026-08-06 · 7 obs
● 2026-02-15 07:48:42
● 2026-03-03 00:27:36
○ 2026-03-03 10:05:58
● 2026-04-21 23:26:52
● 2026-05-03 07:59:14
○ 2026-05-03 12:19:42
● 2026-08-06 19:29:32
○A188.114.96.02026-03-03 → 2026-05-03 · 6 obs
○ 2026-03-03 00:27:36
● 2026-03-03 10:05:58
○ 2026-04-21 23:26:52
○ 2026-05-03 07:59:14
● 2026-05-03 12:19:42
○ 2026-08-06 19:29:32
○A188.114.97.02026-03-03 → 2026-05-03 · 6 obs
○ 2026-03-03 00:27:36
● 2026-03-03 10:05:58
○ 2026-04-21 23:26:52
○ 2026-05-03 07:59:14
● 2026-05-03 12:19:42
○ 2026-08-06 19:29:32
○A2606:4700:3032::6815:455b2026-02-15 → 2026-05-03 · 7 obs
● 2026-02-15 07:48:42
● 2026-03-03 00:27:36
○ 2026-03-03 10:05:58
● 2026-04-21 23:26:52
● 2026-05-03 07:59:14
○ 2026-05-03 12:19:42
○ 2026-08-06 19:29:32
○A2606:4700:3033::ac43:cec22026-02-15 → 2026-05-03 · 7 obs
● 2026-02-15 07:48:42
● 2026-03-03 00:27:36
○ 2026-03-03 10:05:58
● 2026-04-21 23:26:52
● 2026-05-03 07:59:14
○ 2026-05-03 12:19:42
○ 2026-08-06 19:29:32
●A2606:4700:3034::ac43:cec22026-08-06 → 2026-08-06 · 2 obs
○ 2026-05-03 12:19:42
● 2026-08-06 19:29:32
●A2606:4700:3036::6815:455b2026-08-06 → 2026-08-06 · 2 obs
○ 2026-05-03 12:19:42
● 2026-08-06 19:29:32
○A2a06:98c1:3120::2026-03-03 → 2026-05-03 · 6 obs
○ 2026-03-03 00:27:36
● 2026-03-03 10:05:58
○ 2026-04-21 23:26:52
○ 2026-05-03 07:59:14
● 2026-05-03 12:19:42
○ 2026-08-06 19:29:32
○A2a06:98c1:3121::2026-03-03 → 2026-05-03 · 6 obs
○ 2026-03-03 00:27:36
● 2026-03-03 10:05:58
○ 2026-04-21 23:26:52
○ 2026-05-03 07:59:14
● 2026-05-03 12:19:42
○ 2026-08-06 19:29:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
tuhielo.comclara.ns.cloudflare.com, memphis.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.189

NS records: clara.ns.cloudflare.com, memphis.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tuhielo.com (unsigned zone)

⏱️ Timing

Total: 101ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.206.194, 104.21.69.91
AAAA22606:4700:3036::6815:455b, 2606:4700:3034::ac43:cec2
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.tuhielo.com directs to four IP numbers, which are 104.21.69.91, 172.67.206.194, 2606:4700:3034::ac43:cec2 and 2606:4700:3036::6815:455b.

Two other host names, along with tuhielo.com, viectot.nou.edu.vn and dulieuphapluat.vn, also share IP numbers with mail.tuhielo.com.