🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`substacknotesbootcamp.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:d8df^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:5df1^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.93.241^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.223^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alexia.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26af^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2af^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alexia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22af^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alexia.ns.cloudflare.com`
		A	108.162.194.175^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexia.ns.cloudflare.com`
		A	162.159.38.175^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexia.ns.cloudflare.com`
		A	172.64.34.175^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alexia.ns.cloudflare.com`
NS	`robert.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c8c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c38c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`robert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:238c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`robert.ns.cloudflare.com`
		A	108.162.195.140^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robert.ns.cloudflare.com`
		A	162.159.44.140^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robert.ns.cloudflare.com`
		A	172.64.35.140^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robert.ns.cloudflare.com`
MX	`mx00.udag.de` ⭐
		A	62.146.106.39^{🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH}
			PTR	`mx00.udag.de`
MX	`mx01.udag.de`⁽²⁰⁾
		A	62.146.106.40^{🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH}
			PTR	`mx01.udag.de`
TXT	`v=spf1 include:_smtp.udag.de ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.93.241, 172.67.216.223
		IPv6 hints	2606:4700:3031::ac43:d8df, 2606:4700:3035::6815:5df1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=248, name=cloudflare-ech.com
SOA	`alexia.ns.cloudflare.com`dns@cloudflare.com serial=2416307456

`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=1791117494

Same first word

substacknotesbootcamp.com

Previous names

Next names

DNS History

8 records (8 active, 0 former)

●NSalexia.ns.cloudflare.com2026-09-23 → 2026-10-04 · 2 obs

● 2026-09-23 06:11:06
● 2026-10-04 12:50:50

●NSrobert.ns.cloudflare.com2026-09-23 → 2026-10-04 · 2 obs

● 2026-09-23 06:11:06
● 2026-10-04 12:50:50

●MXmx00.udag.de2026-09-23 → 2026-10-04 · 2 obs

● 2026-09-23 06:11:06
● 2026-10-04 12:50:50

●MXmx01.udag.de2026-09-23 → 2026-10-04 · 2 obs

● 2026-09-23 06:11:06
● 2026-10-04 12:50:50

●A104.21.93.2412026-09-23 → 2026-10-04 · 2 obs

● 2026-09-23 06:11:06
● 2026-10-04 12:50:50

●A172.67.216.2232026-09-23 → 2026-10-04 · 2 obs

● 2026-09-23 06:11:06
● 2026-10-04 12:50:50

●A2606:4700:3031::ac43:d8df2026-09-23 → 2026-10-04 · 2 obs

● 2026-09-23 06:11:06
● 2026-10-04 12:50:50

●A2606:4700:3035::6815:5df12026-09-23 → 2026-10-04 · 2 obs

● 2026-09-23 06:11:06
● 2026-10-04 12:50:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net...	-
substacknotesbootcamp.com	alexia.ns.cloudflare.com, robert.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.140

NS records: alexia.ns.cloudflare.com, robert.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for substacknotesbootcamp.com (unsigned zone)

⏱️ Timing

Total: 222ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.216.223, 104.21.93.241`
AAAA	2	`2606:4700:3035::6815:5df1, 2606:4700:3031::ac43:d8df`
NS	2	`alexia.ns.cloudflare.com, robert.ns.cloudflare.com`
MX	2	`mx00.udag.de (pri: 10), mx01.udag.de (pri: 20)`
TXT	1	`v=spf1 include:_smtp.udag.de ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alexia.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

substacknotesbootcamp.com has four IP addresses: 104.21.93.241, 172.67.216.223, 2606:4700:3031::ac43:d8df and 2606:4700:3035::6815:5df1.

dmthiga.info, edukripasolutions.com, metaforo.io and two other host names share IP numbers with substacknotesbootcamp.com.

Name Servers

substacknotesbootcamp.com is served by two delegated name servers, alexia.ns.cloudflare.com and robert.ns.cloudflare.com.

substacknotesbootcamp.com uses the same name servers as several other domains — among them orionsbet-casino.com, cc583743253.workers.dev, pixartstudioreklamy.pl and two more.

substacknotesbootcamp.com partially shares its NS delegation with several other domains, including kokkas.net, tradeplusgroup-hk.com, dev-c28.workers.dev and two others.

These name servers are regularly seen alongside brady.ns.cloudflare.com and dante.ns.cloudflare.com as name servers.

Hostnames that resolve to 6 IP addresses:

alexia.ns.cloudflare.com carries IP addresses 108.162.194.175, 162.159.38.175 and 172.64.34.175, with 3 other addresses beyond those.

robert.ns.cloudflare.com carries IP addresses 108.162.195.140, 162.159.44.140 and 172.64.35.140, with 3 other addresses beyond those.

Mail Servers

Mail for substacknotesbootcamp.com is handled by two mail servers — mx00.udag.de and mx01.udag.de.

substacknotesbootcamp.com uses an identical mail server configuration to several other domains — among them meinpsycheck.de, lubos.pl, lotto-berlin.eu and two more.

mx00.udag.de resolves to 62.146.106.39. mx01.udag.de resolves to 62.146.106.40. Both host names point to a single IP number.

substacknotesbootcamp.com - robtex.com