`mail.sciencedefined.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:2792^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:aacf^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.39.146^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.207^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.39.146, 172.67.170.207
		IPv6	2606:4700:3034::6815:2792, 2606:4700:3035::ac43:aacf

`sciencedefined.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:2792^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:aacf^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.39.146^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.207^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cora.ns.cloudflare.com` ⭐
NS	`plato.ns.cloudflare.com`
MX	`_dc-mx.ee8520e2ca0d.sciencedefined.com` ⭐
TXT	`google-site-verification=RuzzQp4RwOO9GPvMnJ8k_8JJG2VVRHSoRGqq7T0B_cg`
TXT	`v=spf1 a mx include:websitewelcome.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.39.146, 172.67.170.207
		IPv6	2606:4700:3034::6815:2792, 2606:4700:3035::ac43:aacf
SOA	`cora.ns.cloudflare.com`dns@cloudflare.com serial=2398622479

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DNS History

4 records (4 active, 0 former)

●A104.21.39.1462026-02-15 → 2026-03-22 · 2 obs

● 2026-02-15 13:09:28
● 2026-03-22 10:39:16

●A172.67.170.2072026-02-15 → 2026-03-22 · 2 obs

● 2026-02-15 13:09:28
● 2026-03-22 10:39:16

●A2606:4700:3034::6815:27922026-02-15 → 2026-03-22 · 2 obs

● 2026-02-15 13:09:28
● 2026-03-22 10:39:16

●A2606:4700:3035::ac43:aacf2026-02-15 → 2026-03-22 · 2 obs

● 2026-02-15 13:09:28
● 2026-03-22 10:39:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
sciencedefined.com	plato.ns.cloudflare.com, cora.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.194.195

NS records: plato.ns.cloudflare.com, cora.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sciencedefined.com (unsigned zone)

⏱️ Timing

Total: 210ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.170.207, 104.21.39.146`
AAAA	2	`2606:4700:3035::ac43:aacf, 2606:4700:3034::6815:2792`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.sciencedefined.com maps to four IP numbers: 2606:4700:3034::6815:2792, 2606:4700:3035::ac43:aacf, 104.21.39.146 and 172.67.170.207.

other host names include quadcitiesgasprices.com, lmshop.cn, www841116.com, s1.vh0st.me and zeus1.com; they share IP numbers with mail.sciencedefined.com.

mail.sciencedefined.com - robtex.com