optimize.secondbrain.is - dns.ninja

optimize.secondbrain.is

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:583f🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:ad53🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.63Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.173.83🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.88.63, 172.67.173.83
IPv6 hints2606:4700:3030::6815:583f, 2606:4700:3035::ac43:ad53
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=53, name=cloudflare-ech.com

secondbrain.is

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:583f🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:ad53🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.63Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.173.83🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShazel.ns.cloudflare.com ⭐
NSmaxim.ns.cloudflare.com
MXeforward1.registrar-servers.com ⭐
MXeforward2.registrar-servers.com ⭐
MXeforward3.registrar-servers.com ⭐
MXeforward4.registrar-servers.com(15)
MXeforward5.registrar-servers.com(20)
TXTgoogle-site-verification=jGUOId7sh1LY4qs63tQEoM2ENbKGHniKgvZmLqzRKp0
TXTv=spf1 include:spf.efwd.registrar-servers.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.88.63, 172.67.173.83
IPv6 hints2606:4700:3030::6815:583f, 2606:4700:3035::ac43:ad53
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=53, name=cloudflare-ech.com
SOAhazel.ns.cloudflare.comdns@cloudflare.com serial=2410680928
📈 Tranco rank: #107,029

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Similar names

impozite.ro
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DNS History

6 records (4 active, 2 former)

A104.21.88.63172.67.173.832606:4700:3030::6815:583f2606:4700:3035::ac43:ad532606:4700:3030::ac43:ad532606:4700:3034::6815:583f
●A104.21.88.632026-06-01 → 2026-07-31 · 2 obs
● 2026-06-01 14:43:04
● 2026-07-31 20:04:38
●A172.67.173.832026-06-01 → 2026-07-31 · 2 obs
● 2026-06-01 14:43:04
● 2026-07-31 20:04:38
●A2606:4700:3030::6815:583f2026-07-31 → 2026-07-31 · 2 obs
○ 2026-06-12 03:06:50
● 2026-07-31 20:04:38
○A2606:4700:3030::ac43:ad532026-06-01 → 2026-06-12 · 3 obs
● 2026-06-01 14:43:04
● 2026-06-12 03:06:50
○ 2026-07-31 20:04:38
○A2606:4700:3034::6815:583f2026-06-01 → 2026-06-12 · 3 obs
● 2026-06-01 14:43:04
● 2026-06-12 03:06:50
○ 2026-07-31 20:04:38
●A2606:4700:3035::ac43:ad532026-07-31 → 2026-07-31 · 2 obs
○ 2026-06-12 03:06:50
● 2026-07-31 20:04:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
isc.nic.is, f.nic.is, e.nic.is, a.nic.is...-
secondbrain.ishazel.ns.cloudflare.com, maxim.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.157

NS records: hazel.ns.cloudflare.com, maxim.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for secondbrain.is (unsigned zone)

⏱️ Timing

Total: 579ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.88.63, 172.67.173.83
AAAA22606:4700:3030::6815:583f, 2606:4700:3035::ac43:ad53
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

optimize.secondbrain.is directs to four IP numbers, which are 104.21.88.63, 172.67.173.83, 2606:4700:3030::6815:583f and 2606:4700:3035::ac43:ad53.

Among the host names that share IP numbers with optimize.secondbrain.is are www.harberherald.com, podioscontroguardia.it, noob.ba and two others.