lecturenoteseries.com - dns.ninja

`lecturenoteseries.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:2543^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:cd10^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.67^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.16^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`irma.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`irma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`irma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`irma.ns.cloudflare.com`
		A	108.162.192.166^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`irma.ns.cloudflare.com`
		A	172.64.32.166^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`irma.ns.cloudflare.com`
		A	173.245.58.166^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`irma.ns.cloudflare.com`
NS	`rocky.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rocky.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rocky.ns.cloudflare.com`
		A	108.162.193.227^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
		A	172.64.33.227^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
		A	173.245.59.227^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.67, 172.67.205.16
		IPv6 hints	2606:4700:3034::6815:2543, 2606:4700:3036::ac43:cd10
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=254, name=cloudflare-ech.com
SOA	`irma.ns.cloudflare.com`dns@cloudflare.com serial=2409090335

`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=1785191447

Subdomains

www.lecturenoteseries.com

Same first word

lecturenoteseries.com

DNS History

19 records (6 active, 13 former)

○NSbri-ns01.wiley.com2015-11-14 → 2017-01-02 · 5 obs

○ 2015-07-21 18:15:22
● 2015-11-14 15:37:58
● 2017-01-02 15:12:36
○ 2026-02-22 11:40:00
○ 2026-07-27 22:56:46

○NSdns1.blackwellpublishing.com2015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 18:15:22
○ 2015-11-14 15:37:58
○ 2026-07-27 22:56:46

●NSirma.ns.cloudflare.com2026-02-22 → 2026-07-27 · 3 obs

○ 2017-01-02 15:12:36
● 2026-02-22 11:40:00
● 2026-07-27 22:56:46

○NSjws-edcp.wiley.com2015-11-14 → 2017-01-02 · 5 obs

○ 2015-07-21 18:15:22
● 2015-11-14 15:37:58
● 2017-01-02 15:12:36
○ 2026-02-22 11:40:00
○ 2026-07-27 22:56:46

○NSns.wiley.co.uk2015-11-14 → 2017-01-02 · 5 obs

○ 2015-07-21 18:15:22
● 2015-11-14 15:37:58
● 2017-01-02 15:12:36
○ 2026-02-22 11:40:00
○ 2026-07-27 22:56:46

○NSns.wileypub.com2015-11-14 → 2017-01-02 · 5 obs

○ 2015-07-21 18:15:22
● 2015-11-14 15:37:58
● 2017-01-02 15:12:36
○ 2026-02-22 11:40:00
○ 2026-07-27 22:56:46

○NSns0-l.dns.pipex.net2015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 18:15:22
○ 2015-11-14 15:37:58
○ 2026-07-27 22:56:46

○NSns1-l.dns.pipex.net2015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 18:15:22
○ 2015-11-14 15:37:58
○ 2026-07-27 22:56:46

○NSns2.wiley.co.uk2015-11-14 → 2017-01-02 · 5 obs

○ 2015-07-21 18:15:22
● 2015-11-14 15:37:58
● 2017-01-02 15:12:36
○ 2026-02-22 11:40:00
○ 2026-07-27 22:56:46

●NSrocky.ns.cloudflare.com2026-02-22 → 2026-07-27 · 3 obs

○ 2017-01-02 15:12:36
● 2026-02-22 11:40:00
● 2026-07-27 22:56:46

○NSsg-ns01.wiley.com2015-11-14 → 2017-01-02 · 5 obs

○ 2015-07-21 18:15:22
● 2015-11-14 15:37:58
● 2017-01-02 15:12:36
○ 2026-02-22 11:40:00
○ 2026-07-27 22:56:46

○NSwww3.blacksci.co.uk2015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 18:15:22
○ 2015-11-14 15:37:58
○ 2026-07-27 22:56:46

●A104.21.37.672026-02-22 → 2026-07-27 · 3 obs

○ 2017-01-02 15:12:36
● 2026-02-22 11:40:00
● 2026-07-27 22:56:46

●A172.67.205.162026-02-22 → 2026-07-27 · 3 obs

○ 2017-01-02 15:12:36
● 2026-02-22 11:40:00
● 2026-07-27 22:56:46

○A193.130.69.542015-11-14 → 2017-01-02 · 4 obs

● 2015-11-14 15:37:58
● 2017-01-02 15:12:36
○ 2026-02-22 11:40:00
○ 2026-07-27 22:56:46

○A2606:4700:3030::ac43:cd102026-02-22 → 2026-06-09 · 5 obs

○ 2017-01-02 15:12:36
● 2026-02-22 11:40:00
● 2026-06-09 15:56:22
○ 2026-07-10 00:38:20
○ 2026-07-27 22:56:46

○A2606:4700:3032::6815:25432026-02-22 → 2026-06-09 · 5 obs

○ 2017-01-02 15:12:36
● 2026-02-22 11:40:00
● 2026-06-09 15:56:22
○ 2026-07-10 00:38:20
○ 2026-07-27 22:56:46

●A2606:4700:3034::6815:25432026-07-10 → 2026-07-27 · 3 obs

○ 2026-06-09 15:56:22
● 2026-07-10 00:38:20
● 2026-07-27 22:56:46

●A2606:4700:3036::ac43:cd102026-07-10 → 2026-07-27 · 3 obs

○ 2026-06-09 15:56:22
● 2026-07-10 00:38:20
● 2026-07-27 22:56:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...	-
lecturenoteseries.com	rocky.ns.cloudflare.com, irma.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.166

NS records: rocky.ns.cloudflare.com, irma.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lecturenoteseries.com (unsigned zone)

⏱️ Timing

Total: 293ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.37.67, 172.67.205.16`
AAAA	2	`2606:4700:3034::6815:2543, 2606:4700:3036::ac43:cd10`
NS	2	`irma.ns.cloudflare.com, rocky.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`irma.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.lecturenoteseries.com is delegated beneath lecturenoteseries.com.

IP Addresses

lecturenoteseries.com directs to four IP numbers, which are 104.21.37.67, 172.67.205.16, 2606:4700:3034::6815:2543 and 2606:4700:3036::ac43:cd10.

Among the host names that share IP numbers with lecturenoteseries.com are www.lava66th.live, vegapolis.nl, mail.vegapolis.nl and two others.

Name Servers

lecturenoteseries.com uses two name servers for its delegation: irma.ns.cloudflare.com and rocky.ns.cloudflare.com.

lecturenoteseries.com has the same name server delegation as a number of other domains, such as randburg.org.za, daytonhistoricdepot.org, psecrane.com and two more.

There is at least partial name server overlap between lecturenoteseries.com and other domains — casualinsight.com, sendgg.com, kit72.com and two more among them.

The name servers melody.ns.cloudflare.com, erin.ns.cloudflare.com and nitin.ns.cloudflare.com are often found in combination with these name servers.

Host names resolving to 6 IP numbers:

Hostname irma.ns.cloudflare.com directs to 108.162.192.166, 172.64.32.166 and 173.245.58.166 along with 3 other IP addresses.

Hostname rocky.ns.cloudflare.com directs to 108.162.193.227, 172.64.33.227 and 173.245.59.227 along with 3 other IP addresses.