mail.techsciencehub.com - robtex.com

mail.techsciencehub.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8efc🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:5f2b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.95.43Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.252🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.95.43, 172.67.142.252
IPv6 hints2606:4700:3031::ac43:8efc, 2606:4700:3036::6815:5f2b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=40, name=cloudflare-ech.com

techsciencehub.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8efc🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:5f2b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.95.43Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.252🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgrace.ns.cloudflare.com ⭐
NSnicolas.ns.cloudflare.com
MXmx1-hosting.jellyfish.systems ⭐
MXmx2-hosting.jellyfish.systems(10)
MXmx3-hosting.jellyfish.systems(20)
TXTv=spf1 +a +mx +ip4:66.29.153.43 include:spf.web-hosting.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.95.43, 172.67.142.252
IPv6 hints2606:4700:3031::ac43:8efc, 2606:4700:3036::6815:5f2b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=40, name=cloudflare-ech.com
SOAgrace.ns.cloudflare.comdns@cloudflare.com serial=2401311638

Previously MX for

techsciencehub.com

Same first word

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DNS History

5 records (4 active, 1 former)

20192020202120222023202420252026A104.21.95.43172.67.142.2522606:4700:3031::ac43:8efc2606:4700:3036::6815:5f2b198.54.116.213
●A104.21.95.432026-05-15 → 2026-05-15 · 3 obs
○ 2018-11-11 02:19:32
● 2026-05-15 02:53:40
● 2026-05-15 02:53:42
●A172.67.142.2522026-05-15 → 2026-05-15 · 3 obs
○ 2018-11-11 02:19:32
● 2026-05-15 02:53:40
● 2026-05-15 02:53:42
○A198.54.116.2132018-11-11 → 2018-11-11 · 3 obs
● 2018-11-11 02:19:32
○ 2026-05-15 02:53:40
○ 2026-05-15 02:53:42
●A2606:4700:3031::ac43:8efc2026-05-15 → 2026-05-15 · 3 obs
○ 2018-11-11 02:19:32
● 2026-05-15 02:53:40
● 2026-05-15 02:53:42
●A2606:4700:3036::6815:5f2b2026-05-15 → 2026-05-15 · 3 obs
○ 2018-11-11 02:19:32
● 2026-05-15 02:53:40
● 2026-05-15 02:53:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net...-
techsciencehub.comgrace.ns.cloudflare.com, nicolas.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.84

NS records: grace.ns.cloudflare.com, nicolas.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techsciencehub.com (unsigned zone)

⏱️ Timing

Total: 752ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.95.43, 172.67.142.252
AAAA22606:4700:3036::6815:5f2b, 2606:4700:3031::ac43:8efc
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.techsciencehub.com points to four IP numbers: 2606:4700:3031::ac43:8efc, 2606:4700:3036::6815:5f2b, 104.21.95.43 and 172.67.142.252.

Other host names, for instance www.azpetrol.az, pafibatangserangan.org, www.vaccineinfo.net, hostmaster.myfairfieldcountyhomes.com and xhebh.com share IP numbers with mail.techsciencehub.com.