engineeringenotes.com - dns.ninja

`engineeringenotes.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:9593^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1db3^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.29.179^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.149.147^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amber.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a40^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c040^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amber.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2040^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amber.ns.cloudflare.com`
		A	108.162.192.64^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	172.64.32.64^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	173.245.58.64^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
NS	`marty.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bcc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1cc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marty.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21cc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marty.ns.cloudflare.com`
		A	108.162.193.204^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
		A	172.64.33.204^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
		A	173.245.59.204^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
MX	`_dc-mx.a7b1b65011b3.engineeringenotes.com` ⭐
		A	69.167.186.179^{🇺🇸 LiquidWeb69.167.128.0/18 Liquid Web LLC 2703 Ena Dr. Lansing, MI 48917}
			PTR	`host.pwnlive.com`
TXT	`google-site-verification=5glHy9ulZiv_M_Drsbzca1fn51zJguFD_il9R77uoVw`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.29.179, 172.67.149.147
		IPv6 hints	2606:4700:3031::ac43:9593, 2606:4700:3037::6815:1db3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=46, name=cloudflare-ech.com
SOA	`amber.ns.cloudflare.com`dns@cloudflare.com serial=2407289357

`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=1783460781

rank #513065 globally
rank #219198 in the tld

Previously MX for

engineeringenotes.com

Same first word

engineeringenotes.com

DNS History

12 records (7 active, 5 former)

●NSamber.ns.cloudflare.com2026-02-16 → 2026-07-07 · 3 obs

○ 2017-08-09 21:49:40
● 2026-02-16 11:56:42
● 2026-07-07 22:14:44

●NSmarty.ns.cloudflare.com2026-02-16 → 2026-07-07 · 3 obs

○ 2017-08-09 21:49:40
● 2026-02-16 11:56:42
● 2026-07-07 22:14:44

○NSns1.engineeringenotes.com2017-08-09 → 2017-08-09 · 3 obs

● 2017-08-09 21:49:40
○ 2026-02-16 11:56:42
○ 2026-07-07 22:14:44

○NSns2.engineeringenotes.com2017-08-09 → 2017-08-09 · 3 obs

● 2017-08-09 21:49:40
○ 2026-02-16 11:56:42
○ 2026-07-07 22:14:44

●MX_dc-mx.a7b1b65011b3.engineeringenotes.com2026-02-16 → 2026-07-07 · 3 obs

○ 2017-08-09 21:49:40
● 2026-02-16 11:56:42
● 2026-07-07 22:14:44

○MXengineeringenotes.com2017-08-09 → 2017-08-09 · 3 obs

● 2017-08-09 21:49:40
○ 2026-02-16 11:56:42
○ 2026-07-07 22:14:44

●A104.21.29.1792026-02-16 → 2026-07-07 · 3 obs

○ 2017-08-09 21:49:40
● 2026-02-16 11:56:42
● 2026-07-07 22:14:44

●A172.67.149.1472026-02-16 → 2026-07-07 · 3 obs

○ 2017-08-09 21:49:40
● 2026-02-16 11:56:42
● 2026-07-07 22:14:44

○A198.57.220.212017-08-09 → 2017-08-09 · 3 obs

● 2017-08-09 21:49:40
○ 2026-02-16 11:56:42
○ 2026-07-07 22:14:44

●A2606:4700:3031::ac43:95932026-07-07 → 2026-07-07 · 2 obs

○ 2026-06-18 05:50:40
● 2026-07-07 22:14:44

○A2606:4700:3036::ac43:95932026-02-16 → 2026-06-18 · 4 obs

○ 2017-08-09 21:49:40
● 2026-02-16 11:56:42
● 2026-06-18 05:50:40
○ 2026-07-07 22:14:44

●A2606:4700:3037::6815:1db32026-02-16 → 2026-07-07 · 3 obs

○ 2017-08-09 21:49:40
● 2026-02-16 11:56:42
● 2026-07-07 22:14:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
engineeringenotes.com	amber.ns.cloudflare.com, marty.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.204

NS records: amber.ns.cloudflare.com, marty.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for engineeringenotes.com (unsigned zone)

⏱️ Timing

Total: 110ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.149.147, 104.21.29.179`
AAAA	2	`2606:4700:3031::ac43:9593, 2606:4700:3037::6815:1db3`
NS	2	`amber.ns.cloudflare.com, marty.ns.cloudflare.com`
MX	1	`_dc-mx.a7b1b65011b3.engineeringenotes.co`
TXT	1	`google-site-verification=5glHy9ulZiv_M_D`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amber.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

engineeringenotes.com points to the four IP addresses 104.21.29.179, 172.67.149.147, 2606:4700:3031::ac43:9593 and 2606:4700:3037::6815:1db3.

Among the host names that share IP numbers with engineeringenotes.com are mail.inyuca.net, blockchainx.tech, bohemeboutique.com and two others.

Name Servers

The NS records for engineeringenotes.com delegate to amber.ns.cloudflare.com and marty.ns.cloudflare.com.

engineeringenotes.com has the same name server delegation as a number of other domains, such as ruyatabircisi.org, kitapozetlerim.com, artofmarketing.org and two more.

The name servers of engineeringenotes.com overlap at least partially with those of other domains — among them mikroaydinlatma.com, art-(0x6e756465)-angels.com, tta29.com and two more.

These name servers commonly appear in combination with the name servers neil.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

amber.ns.cloudflare.com maps to 108.162.192.64, 172.64.32.64, 173.245.58.64 and 3 additional IP addresses.

marty.ns.cloudflare.com maps to 108.162.193.204, 172.64.33.204, 173.245.59.204 and 3 additional IP addresses.

Mail Servers

engineeringenotes.com routes its mail through a single mail server, _dc-mx.a7b1b65011b3.engineeringenotes.com.

_dc-mx.a7b1b65011b3.engineeringenotes.com resolves to 69.167.186.179 and no other IP number.