www.techandscience.com - robtex.com

www.techandscience.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:5625🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:d67c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.37Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.214.124🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.86.37, 172.67.214.124
IPv6 hints2606:4700:3031::6815:5625, 2606:4700:3031::ac43:d67c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com

techandscience.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:5625🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:d67c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.37Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.214.124🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSanirban.ns.cloudflare.com ⭐
NSjacqueline.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.86.37, 172.67.214.124
IPv6 hints2606:4700:3031::6815:5625, 2606:4700:3031::ac43:d67c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com
SOAanirban.ns.cloudflare.comdns@cloudflare.com serial=2399484014

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DNS History

5 records (4 active, 1 former)

201820192020202120222023202420252026A104.21.86.37172.67.214.1242606:4700:3031::6815:56252606:4700:3031::ac43:d67c143.95.241.127
●A104.21.86.372026-03-31 → 2026-04-15 · 3 obs
○ 2018-06-30 05:41:52
● 2026-03-31 12:10:04
● 2026-04-15 11:43:18
○A143.95.241.1272017-01-02 → 2018-06-30 · 4 obs
● 2017-01-02 00:54:56
● 2018-06-30 05:41:52
○ 2026-03-31 12:10:04
○ 2026-04-15 11:43:18
●A172.67.214.1242026-03-31 → 2026-04-15 · 3 obs
○ 2018-06-30 05:41:52
● 2026-03-31 12:10:04
● 2026-04-15 11:43:18
●A2606:4700:3031::6815:56252026-03-31 → 2026-04-15 · 3 obs
○ 2018-06-30 05:41:52
● 2026-03-31 12:10:04
● 2026-04-15 11:43:18
●A2606:4700:3031::ac43:d67c2026-03-31 → 2026-04-15 · 3 obs
○ 2018-06-30 05:41:52
● 2026-03-31 12:10:04
● 2026-04-15 11:43:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...-
techandscience.comanirban.ns.cloudflare.com, jacqueline.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.132

NS records: anirban.ns.cloudflare.com, jacqueline.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techandscience.com (unsigned zone)

⏱️ Timing

Total: 177ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.214.124, 104.21.86.37
AAAA22606:4700:3031::6815:5625, 2606:4700:3031::ac43:d67c
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.techandscience.com resolves to four IP numbers: 2606:4700:3031::6815:5625, 2606:4700:3031::ac43:d67c, 104.21.86.37 and 172.67.214.124.

other host names for instance lensajitu.us, www.markatescilofisi.com, mailexpert.ca, mailwiz.info and www.sechub.in share IP numbers with www.techandscience.com.