`notasdeaula.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:b007^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:402b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.64.43^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.176.7^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alex.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c164^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2164^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alex.ns.cloudflare.com`
		A	108.162.193.100^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	172.64.33.100^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	173.245.59.100^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
NS	`isabel.ns.cloudflare.com`
		A	2606:4700:50::a29f:2668^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c268^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isabel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2268^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isabel.ns.cloudflare.com`
		A	108.162.194.104^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	162.159.38.104^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	172.64.34.104^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
MX	`us2.mx1.mailhostbox.com` ⭐
		A	162.215.3.26^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-3-26.unifiedlayer.com`
MX	`us2.mx2.mailhostbox.com` ⭐
		A	162.215.2.27^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-2-27.unifiedlayer.com`
MX	`us2.mx3.mailhostbox.com` ⭐
		A	162.215.3.25^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-3-25.unifiedlayer.com`
TXT	`v=spf1 redirect=_spf.mailhostbox.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.64.43, 172.67.176.7
		IPv6 hints	2606:4700:3034::ac43:b007, 2606:4700:3037::6815:402b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com
SOA	`alex.ns.cloudflare.com`dns@cloudflare.com serial=2401324145

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1778400937

Subdomains

www.notasdeaula.org

Same first word

notasdeaula.org

DNS History

18 records (9 active, 9 former)

●NSalex.ns.cloudflare.com2026-04-05 → 2026-05-10 · 3 obs

○ 2026-03-24 19:09:10
● 2026-04-05 13:22:06
● 2026-05-10 08:29:46

○NSinfo653475.earth.orderbox-dns.com2026-03-24 → 2026-04-05 · 5 obs

○ 2017-05-29 03:59:02
● 2026-03-24 19:09:10
● 2026-04-05 13:22:06
○ 2026-04-11 10:18:44
○ 2026-05-10 08:29:46

○NSinfo653475.mars.orderbox-dns.com2026-03-24 → 2026-04-05 · 5 obs

○ 2017-05-29 03:59:02
● 2026-03-24 19:09:10
● 2026-04-05 13:22:06
○ 2026-04-11 10:18:44
○ 2026-05-10 08:29:46

○NSinfo653475.mercury.orderbox-dns.com2026-03-24 → 2026-04-05 · 5 obs

○ 2017-05-29 03:59:02
● 2026-03-24 19:09:10
● 2026-04-05 13:22:06
○ 2026-04-11 10:18:44
○ 2026-05-10 08:29:46

○NSinfo653475.venus.orderbox-dns.com2026-03-24 → 2026-04-05 · 5 obs

○ 2017-05-29 03:59:02
● 2026-03-24 19:09:10
● 2026-04-05 13:22:06
○ 2026-04-11 10:18:44
○ 2026-05-10 08:29:46

●NSisabel.ns.cloudflare.com2026-04-05 → 2026-05-10 · 3 obs

○ 2026-03-24 19:09:10
● 2026-04-05 13:22:06
● 2026-05-10 08:29:46

○NSns1.frih.net2015-08-19 → 2017-05-29 · 4 obs

● 2015-08-19 18:30:08
● 2017-05-29 03:59:02
○ 2026-03-24 19:09:10
○ 2026-05-10 08:29:46

○NSns2.frih.net2015-08-19 → 2017-05-29 · 4 obs

● 2015-08-19 18:30:08
● 2017-05-29 03:59:02
○ 2026-03-24 19:09:10
○ 2026-05-10 08:29:46

○MXmail.notasdeaula.org2015-08-19 → 2017-05-29 · 4 obs

● 2015-08-19 18:30:08
● 2017-05-29 03:59:02
○ 2026-03-24 19:09:10
○ 2026-05-10 08:29:46

●MXus2.mx1.mailhostbox.com2026-03-24 → 2026-05-10 · 3 obs

○ 2017-05-29 03:59:02
● 2026-03-24 19:09:10
● 2026-05-10 08:29:46

●MXus2.mx2.mailhostbox.com2026-03-24 → 2026-05-10 · 3 obs

○ 2017-05-29 03:59:02
● 2026-03-24 19:09:10
● 2026-05-10 08:29:46

●MXus2.mx3.mailhostbox.com2026-03-24 → 2026-05-10 · 3 obs

○ 2017-05-29 03:59:02
● 2026-03-24 19:09:10
● 2026-05-10 08:29:46

●A104.21.64.432026-04-11 → 2026-05-10 · 3 obs

○ 2026-04-05 13:22:06
● 2026-04-11 10:18:44
● 2026-05-10 08:29:46

○A144.76.111.2282015-08-19 → 2017-05-29 · 4 obs

● 2015-08-19 18:30:08
● 2017-05-29 03:59:02
○ 2026-03-24 19:09:10
○ 2026-05-10 08:29:46

●A172.67.176.72026-04-11 → 2026-05-10 · 3 obs

○ 2026-04-05 13:22:06
● 2026-04-11 10:18:44
● 2026-05-10 08:29:46

●A2606:4700:3034::ac43:b0072026-04-11 → 2026-05-10 · 3 obs

○ 2026-04-05 13:22:06
● 2026-04-11 10:18:44
● 2026-05-10 08:29:46

●A2606:4700:3037::6815:402b2026-04-11 → 2026-05-10 · 3 obs

○ 2026-04-05 13:22:06
● 2026-04-11 10:18:44
● 2026-05-10 08:29:46

○A63.142.250.522026-03-24 → 2026-04-05 · 5 obs

○ 2017-05-29 03:59:02
● 2026-03-24 19:09:10
● 2026-04-05 13:22:06
○ 2026-04-11 10:18:44
○ 2026-05-10 08:29:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
notasdeaula.org	alex.ns.cloudflare.com, isabel.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.100

NS records: alex.ns.cloudflare.com, isabel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for notasdeaula.org (unsigned zone)

⏱️ Timing

Total: 589ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.64.43, 172.67.176.7`
AAAA	2	`2606:4700:3034::ac43:b007, 2606:4700:3037::6815:402b`
NS	2	`alex.ns.cloudflare.com, isabel.ns.cloudflare.com`
MX	3	`us2.mx1.mailhostbox.com (pri: 100), us2.mx2.mailhostbox.com (pri: 100)...`
TXT	1	`v=spf1 redirect=_spf.mailhostbox.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alex.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

The parent of www.notasdeaula.org is notasdeaula.org.

IP Addresses

notasdeaula.org resolves to four IP numbers: 2606:4700:3034::ac43:b007, 2606:4700:3037::6815:402b, 104.21.64.43 and 172.67.176.7.

Other host names such as m.forzza.com.gh, mail.nrw.jb.com, texus.me, 88betvui.com and newspointdirect.com share IPs with notasdeaula.org.

Name Servers

notasdeaula.org is delegated to two name servers: alex.ns.cloudflare.com and isabel.ns.cloudflare.com.

notasdeaula.org shares the same name server setup as machineriesforest.com, beasd.org, smartdelivery.cfd, shipmonitor.cfd and shiptrackeronline.cfd.

notasdeaula.org at least partially shares name servers with other domains, for instance gacor8.impiantoto37.com, pristontale.org, dinotech.hk, mulchmonkeys.com and travelgalaxy.gr.

These name servers are commonly used together with bruce.ns.cloudflare.com, nancy.ns.cloudflare.com and aryanna.ns.cloudflare.com.

Host names with six IP numbers:

alex.ns.cloudflare.com points to 2606:4700:58::adf5:3b64, 2803:f800:50::6ca2:c164, 2a06:98c1:50::ac40:2164, 108.162.193.100, 172.64.33.100 and 173.245.59.100.

isabel.ns.cloudflare.com points to 2606:4700:50::a29f:2668, 2803:f800:50::6ca2:c268, 2a06:98c1:50::ac40:2268, 108.162.194.104, 162.159.38.104 and 172.64.34.104.

Mail Servers

Three mail servers handle notasdeaula.org: us2.mx1.mailhostbox.com, us2.mx2.mailhostbox.com and us2.mx3.mailhostbox.com.

notasdeaula.org shares at least partially some mail servers with other domains, including quickhosting.in, diemer.org, smartday.in, webdatastudio.com and casby.com.

these mail servers are often used together with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with a single IP:

us2.mx1.mailhostbox.com points to: 162.215.3.26.

us2.mx2.mailhostbox.com points to: 162.215.2.27.

us2.mx3.mailhostbox.com points to: 162.215.3.25.

notasdeaula.org - robtex.com

notasdeaula.org

org

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`notasdeaula.org`

`org`