linuxfieldnotes.com - dns.ninja

`linuxfieldnotes.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1bbf^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:8f77^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.191^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.119^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dave.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dave.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dave.ns.cloudflare.com`
		A	108.162.193.109^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	172.64.33.109^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	173.245.59.109^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
NS	`lisa.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a83^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c083^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lisa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2083^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lisa.ns.cloudflare.com`
		A	108.162.192.131^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	172.64.32.131^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	173.245.58.131^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.191, 172.67.143.119
		IPv6 hints	2606:4700:3030::6815:1bbf, 2606:4700:3031::ac43:8f77
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=225, name=cloudflare-ech.com
SOA	`dave.ns.cloudflare.com`dns@cloudflare.com serial=2408000783

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785794217

Subdomains

mail.linuxfieldnotes.com

Same first word

linuxfieldnotes.com

DNS History

15 records (6 active, 9 former)

●NSdave.ns.cloudflare.com2015-07-07 → 2026-08-03 · 2 obs

● 2015-07-07 14:55:28
● 2026-08-03 22:21:02

●NSlisa.ns.cloudflare.com2015-07-07 → 2026-08-03 · 2 obs

● 2015-07-07 14:55:28
● 2026-08-03 22:21:02

○MXmail.linuxfieldnotes.com2015-07-07 → 2016-03-14 · 4 obs

● 2015-07-07 14:55:28
● 2016-03-14 16:38:08
○ 2016-07-13 16:50:44
○ 2026-08-03 22:21:02

●A104.21.27.1912026-02-15 → 2026-08-03 · 14 obs

○ 2016-07-13 16:50:44
● 2026-02-15 02:10:28
● 2026-02-20 09:26:00
○ 2026-03-06 08:19:12
○ 2026-03-07 11:08:54
● 2026-03-26 16:13:14
● 2026-04-04 01:51:32
○ 2026-04-06 10:18:16
○ 2026-04-06 17:20:42
● 2026-04-24 03:10:04
○ 2026-05-06 12:26:16
○ 2026-05-06 18:24:22
● 2026-06-01 11:25:22
● 2026-08-03 22:21:02

○A104.24.110.332015-07-07 → 2016-03-14 · 4 obs

● 2015-07-07 14:55:28
● 2016-03-14 16:38:08
○ 2016-07-13 16:50:44
○ 2026-08-03 22:21:02

○A104.24.111.332015-07-07 → 2016-03-14 · 4 obs

● 2015-07-07 14:55:28
● 2016-03-14 16:38:08
○ 2016-07-13 16:50:44
○ 2026-08-03 22:21:02

●A172.67.143.1192026-02-15 → 2026-08-03 · 14 obs

○A188.114.96.02026-03-06 → 2026-05-06 · 12 obs

○ 2026-02-20 09:26:00
● 2026-03-06 08:19:12
● 2026-03-07 11:08:54
○ 2026-03-26 16:13:14
○ 2026-04-04 01:51:32
● 2026-04-06 10:18:16
● 2026-04-06 17:20:42
○ 2026-04-24 03:10:04
● 2026-05-06 12:26:16
● 2026-05-06 18:24:22
○ 2026-06-01 11:25:22
○ 2026-08-03 22:21:02

○A188.114.97.02026-03-06 → 2026-05-06 · 12 obs

●A2606:4700:3030::6815:1bbf2026-07-10 → 2026-08-03 · 3 obs

○ 2026-06-15 22:53:24
● 2026-07-10 15:08:16
● 2026-08-03 22:21:02

●A2606:4700:3031::ac43:8f772026-07-10 → 2026-08-03 · 3 obs

○ 2026-06-15 22:53:24
● 2026-07-10 15:08:16
● 2026-08-03 22:21:02

○A2606:4700:3035::6815:1bbf2026-02-15 → 2026-06-15 · 16 obs

○A2606:4700:3036::ac43:8f772026-02-15 → 2026-06-15 · 16 obs

○A2a06:98c1:3120::2026-03-06 → 2026-05-06 · 12 obs

○A2a06:98c1:3121::2026-03-06 → 2026-05-06 · 12 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
linuxfieldnotes.com	dave.ns.cloudflare.com, lisa.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.109

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: 126ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.27.191, 172.67.143.119`
AAAA	2	`2606:4700:3031::ac43:8f77, 2606:4700:3030::6815:1bbf`
NS	2	`dave.ns.cloudflare.com, lisa.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dave.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

mail.linuxfieldnotes.com is a subdomain of linuxfieldnotes.com.

IP Addresses

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.

Among the host names that share IP numbers with linuxfieldnotes.com are 85win15.vip, archnesiti.com, bemeco.be and two others.

Name Servers

The NS records for linuxfieldnotes.com delegate to dave.ns.cloudflare.com and lisa.ns.cloudflare.com.

linuxfieldnotes.com has the same name server delegation as a number of other domains, such as ollc.net, performancecaraudio.com.au, tracknode.com and two more.

The name servers of linuxfieldnotes.com overlap at least partially with those of other domains — among them dejialiansaiguanfangwangzhan.net.cn, bakermd.com, moneytreestudio.com and two more.

The name servers mimi.ns.cloudflare.com, ken.ns.cloudflare.com and dana.ns.cloudflare.com are commonly seen alongside these name servers.

Host names resolving to 6 IP numbers:

dave.ns.cloudflare.com maps to 108.162.193.109, 172.64.33.109, 173.245.59.109 and 3 additional IP addresses.

lisa.ns.cloudflare.com maps to 108.162.192.131, 172.64.32.131, 173.245.58.131 and 3 additional IP addresses.