mail.linuxfieldnotes.com - dns.ninja

mail.linuxfieldnotes.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:1bbf🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:8f77🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.27.191Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.119🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.27.191, 172.67.143.119
IPv6 hints2606:4700:3030::6815:1bbf, 2606:4700:3031::ac43:8f77
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=28, name=cloudflare-ech.com

linuxfieldnotes.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:1bbf🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:8f77🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.27.191Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.119🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdave.ns.cloudflare.com ⭐
NSlisa.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.27.191, 172.67.143.119
IPv6 hints2606:4700:3030::6815:1bbf, 2606:4700:3031::ac43:8f77
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=28, name=cloudflare-ech.com
SOAdave.ns.cloudflare.comdns@cloudflare.com serial=2408000783

Previously MX for

linuxfieldnotes.com

Same first word

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DNS History

11 records (4 active, 7 former)

20162017201820192020202120222023202420252026A104.21.27.191172.67.143.1192606:4700:3030::6815:1bbf2606:4700:3031::ac43:8f77167.88.43.55188.114.96.0188.114.97.02606:4700:3035::6815:1bbf2606:4700:3036::ac43:8f772a06:98c1:3120::2a06:98c1:3121::
●A104.21.27.1912026-03-26 → 2026-08-05 · 8 obs
○ 2016-07-14 18:57:02
● 2026-03-26 17:32:20
● 2026-04-04 01:51:32
○ 2026-04-06 17:20:42
● 2026-04-24 03:10:04
○ 2026-05-06 12:26:16
● 2026-06-01 11:25:22
● 2026-08-05 02:49:28
○A167.88.43.552015-08-06 → 2016-03-23 · 4 obs
● 2015-08-06 17:18:26
● 2016-03-23 09:55:20
○ 2016-07-14 18:57:02
○ 2026-08-05 02:49:28
●A172.67.143.1192026-03-26 → 2026-08-05 · 8 obs
○ 2016-07-14 18:57:02
● 2026-03-26 17:32:20
● 2026-04-04 01:51:32
○ 2026-04-06 17:20:42
● 2026-04-24 03:10:04
○ 2026-05-06 12:26:16
● 2026-06-01 11:25:22
● 2026-08-05 02:49:28
○A188.114.96.02026-04-06 → 2026-05-06 · 7 obs
○ 2026-03-26 17:32:20
○ 2026-04-04 01:51:32
● 2026-04-06 17:20:42
○ 2026-04-24 03:10:04
● 2026-05-06 12:26:16
○ 2026-06-01 11:25:22
○ 2026-08-05 02:49:28
○A188.114.97.02026-04-06 → 2026-05-06 · 7 obs
○ 2026-03-26 17:32:20
○ 2026-04-04 01:51:32
● 2026-04-06 17:20:42
○ 2026-04-24 03:10:04
● 2026-05-06 12:26:16
○ 2026-06-01 11:25:22
○ 2026-08-05 02:49:28
●A2606:4700:3030::6815:1bbf2026-07-10 → 2026-08-05 · 3 obs
○ 2026-06-05 05:04:44
● 2026-07-10 15:08:16
● 2026-08-05 02:49:28
●A2606:4700:3031::ac43:8f772026-07-10 → 2026-08-05 · 3 obs
○ 2026-06-05 05:04:44
● 2026-07-10 15:08:16
● 2026-08-05 02:49:28
○A2606:4700:3035::6815:1bbf2026-03-26 → 2026-06-05 · 10 obs
○ 2016-07-14 18:57:02
● 2026-03-26 17:32:20
● 2026-04-04 01:51:32
○ 2026-04-06 17:20:42
● 2026-04-24 03:10:04
○ 2026-05-06 12:26:16
● 2026-06-01 11:25:22
● 2026-06-05 05:04:44
○ 2026-07-10 15:08:16
○ 2026-08-05 02:49:28
○A2606:4700:3036::ac43:8f772026-03-26 → 2026-06-05 · 10 obs
○ 2016-07-14 18:57:02
● 2026-03-26 17:32:20
● 2026-04-04 01:51:32
○ 2026-04-06 17:20:42
● 2026-04-24 03:10:04
○ 2026-05-06 12:26:16
● 2026-06-01 11:25:22
● 2026-06-05 05:04:44
○ 2026-07-10 15:08:16
○ 2026-08-05 02:49:28
○A2a06:98c1:3120::2026-04-06 → 2026-05-06 · 7 obs
○ 2026-03-26 17:32:20
○ 2026-04-04 01:51:32
● 2026-04-06 17:20:42
○ 2026-04-24 03:10:04
● 2026-05-06 12:26:16
○ 2026-06-01 11:25:22
○ 2026-08-05 02:49:28
○A2a06:98c1:3121::2026-04-06 → 2026-05-06 · 7 obs
○ 2026-03-26 17:32:20
○ 2026-04-04 01:51:32
● 2026-04-06 17:20:42
○ 2026-04-24 03:10:04
● 2026-05-06 12:26:16
○ 2026-06-01 11:25:22
○ 2026-08-05 02:49:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...-
linuxfieldnotes.comdave.ns.cloudflare.com, lisa.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.131

NS records: dave.ns.cloudflare.com, lisa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxfieldnotes.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.27.191, 172.67.143.119
AAAA22606:4700:3031::ac43:8f77, 2606:4700:3030::6815:1bbf
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.linuxfieldnotes.com directs to four IP numbers, which are 104.21.27.191, 172.67.143.119, 2606:4700:3030::6815:1bbf and 2606:4700:3031::ac43:8f77.

lyxzhd.com, tscheinig.com, nouedu.net plus two other host names have IP numbers in common with mail.linuxfieldnotes.com.