🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`engineeringnotes.com`

DNSSEC	⚠️ Not signed
A	2600:3c03::f03c:95ff:fe00:29ca^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:fe91:5d52^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:feed:4d4f^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:feed:cf2a^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	45.33.83.100^{🇺🇸 AKAMAI-LINODE-AP45.33.64.0/19 Akamai Technologies} ✓ In HTTPS hints
A	45.79.167.180^{🇺🇸 AKAMAI-LINODE-AP45.79.160.0/20 Akamai Technologies} ✓ In HTTPS hints
A	66.175.209.179^{🇺🇸 AKAMAI-LINODE-AP66.175.208.0/21 Akamai Technologies} ✓ In HTTPS hints
A	96.126.111.165^{🇺🇸 AKAMAI-LINODE-AP96.126.104.0/21 Akamai Technologies} ✓ In HTTPS hints
NS	`damao.ns.giantpanda.com` ⭐
		A	3.33.232.36^{🇺🇸 Amazon3.33.224.0/20}
			PTR	`ab9e1958095d04f26.awsglobalaccelerator.com`
NS	`yangguang.ns.giantpanda.com`
		A	75.2.45.63^{🇺🇸 Amazon75.2.32.0/20}
			PTR	`ab9e1958095d04f26.awsglobalaccelerator.com`
MX	`mail.mailerhost.net` ⭐
		A	5.161.133.13^{🇺🇸 HETZNER-CLOUD2-AS5.161.133.0/24}
			PTR	`mail.mailerhost.net`
		A	161.35.84.83^{🇳🇱 DIGITALOCEAN161.35.80.0/20 DigitalOcean}
			PTR	`mail.mailerhost.net`
TXT	`v=spf1 ip6:fd43:c0d1:c090::/48 -all`
HTTPS	HTTP/2, HTTP/3 ✓ hints match
		IPv4 hints	66.175.209.179, 45.33.83.100, 45.79.167.180, 96.126.111.165
		IPv6 hints	2600:3c03::f03c:95ff:feed:4d4f, 2600:3c03::f03c:95ff:feed:cf2a, 2600:3c03::f03c:95ff:fe00:29ca, 2600:3c03::f03c:95ff:fe91:5d52
SOA	`damao.ns.giantpanda.com`admin@giantpanda.com 2013-02-04 #1

`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=1788093635

Subdomains

www.engineeringnotes.com

Same first word

engineeringnotes.com

engineeringnotes.org

Similar names

stoneengineering.be

stoneengineering.com

Previous names

Next names

DNS History

15 records (11 active, 4 former)

●NSdamao.ns.giantpanda.com2026-08-30 → 2026-08-30 · 3 obs

○ 2018-08-24 04:55:26
● 2026-08-30 04:48:16
● 2026-08-30 13:11:14

○NSns.buydomains.com2015-07-08 → 2018-08-24 · 4 obs

● 2015-07-08 05:32:24
● 2018-08-24 04:55:26
○ 2026-08-30 04:48:16
○ 2026-08-30 13:11:14

●NSyangguang.ns.giantpanda.com2026-08-30 → 2026-08-30 · 3 obs

○ 2018-08-24 04:55:26
● 2026-08-30 04:48:16
● 2026-08-30 13:11:14

●MXmail.mailerhost.net2026-08-30 → 2026-08-30 · 2 obs

● 2026-08-30 04:48:16
● 2026-08-30 13:11:14

○A141.8.225.1242016-01-20 → 2016-05-06 · 5 obs

○ 2015-11-07 02:36:36
● 2016-01-20 21:33:52
● 2016-05-06 09:39:36
○ 2017-02-01 10:07:34
○ 2026-08-30 13:11:14

○A207.148.248.1432017-02-01 → 2018-08-24 · 5 obs

○ 2016-05-06 09:39:36
● 2017-02-01 10:07:34
● 2018-08-24 04:55:26
○ 2026-08-30 04:48:16
○ 2026-08-30 13:11:14

●A2600:3c03::f03c:95ff:fe00:29ca2026-08-30 → 2026-08-30 · 3 obs

○ 2018-08-24 04:55:26
● 2026-08-30 04:48:16
● 2026-08-30 13:11:14

●A2600:3c03::f03c:95ff:fe91:5d522026-08-30 → 2026-08-30 · 3 obs

○ 2018-08-24 04:55:26
● 2026-08-30 04:48:16
● 2026-08-30 13:11:14

●A2600:3c03::f03c:95ff:feed:4d4f2026-08-30 → 2026-08-30 · 3 obs

○ 2018-08-24 04:55:26
● 2026-08-30 04:48:16
● 2026-08-30 13:11:14

●A2600:3c03::f03c:95ff:feed:cf2a2026-08-30 → 2026-08-30 · 3 obs

○ 2018-08-24 04:55:26
● 2026-08-30 04:48:16
● 2026-08-30 13:11:14

●A45.33.83.1002026-08-30 → 2026-08-30 · 3 obs

○ 2018-08-24 04:55:26
● 2026-08-30 04:48:16
● 2026-08-30 13:11:14

●A45.79.167.1802026-08-30 → 2026-08-30 · 3 obs

○ 2018-08-24 04:55:26
● 2026-08-30 04:48:16
● 2026-08-30 13:11:14

○A50.63.202.1042015-07-08 → 2015-11-07 · 4 obs

● 2015-07-08 05:32:24
● 2015-11-07 02:36:36
○ 2016-01-20 21:33:52
○ 2026-08-30 13:11:14

●A66.175.209.1792026-08-30 → 2026-08-30 · 3 obs

○ 2018-08-24 04:55:26
● 2026-08-30 04:48:16
● 2026-08-30 13:11:14

●A96.126.111.1652026-08-30 → 2026-08-30 · 3 obs

○ 2018-08-24 04:55:26
● 2026-08-30 04:48:16
● 2026-08-30 13:11:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
engineeringnotes.com	damao.ns.giantpanda.com, yangguang.ns.giantpanda.com	2 records

✅ Authoritative Response

Server:3.33.232.36

NS records: damao.ns.giantpanda.com, yangguang.ns.giantpanda.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for engineeringnotes.com (unsigned zone)

⏱️ Timing

Total: 230ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`45.79.167.180, 45.33.83.100...`
AAAA	4	`2600:3c03::f03c:95ff:feed:4d4f, 2600:3c03::f03c:95ff:fe00:29ca...`
NS	2	`damao.ns.giantpanda.com, yangguang.ns.giantpanda.com`
MX	1	`mail.mailerhost.net (pri: 1)`
TXT	1	`v=spf1 ip6:fd43:c0d1:c090::/48 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2",`
SOA	1	`damao.ns.giantpanda.com admin.giantpanda`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (damao.ns.giantpanda.com, yangguang.ns.giantpanda.com)

Analysis

Hierarchy

The domain www.engineeringnotes.com falls under the parent engineeringnotes.com.

IP Addresses

With 8 IP addresses in total, engineeringnotes.com resolves to 45.33.83.100, 45.79.167.180, 66.175.209.179 and 5 other.

Among the host names that share IP numbers with engineeringnotes.com are iwanttodo.it, coo.pureromance.com.au, mail.grandmaster.net and two others.

Name Servers

engineeringnotes.com uses two name servers for its delegation: damao.ns.giantpanda.com and yangguang.ns.giantpanda.com.

engineeringnotes.com has the same name server delegation as a number of other domains, such as irecorp.com, sahora.com, dgt1.digitest.com and two more.

There is an overlap in name servers between engineeringnotes.com and other domains, for example null.viewfx.co.uk, xgear.com and emailextension.com

Each of damao.ns.giantpanda.com and yangguang.ns.giantpanda.com has one IP address: damao.ns.giantpanda.com uses 3.33.232.36 and yangguang.ns.giantpanda.com uses 75.2.45.63.

Mail Servers

engineeringnotes.com routes its mail through a single mail server, mail.mailerhost.net.

engineeringnotes.com has the same mail server arrangement as a number of other domains, for example childrenshospitalg.orga.org, darehobby.com, jocf.com and two more.

mail.mailerhost.net directs to two IP numbers, 5.161.133.13 and 161.35.84.83.

engineeringnotes.com - robtex.com