🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`overstack.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3108::ac42:28c9^{🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3108::ac42:2b37^{🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.40.201^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.43.55^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`harlee.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harlee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harlee.ns.cloudflare.com`
		A	108.162.194.238^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlee.ns.cloudflare.com`
		A	162.159.38.238^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlee.ns.cloudflare.com`
		A	172.64.34.238^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlee.ns.cloudflare.com`
NS	`peyton.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bdd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1dd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`peyton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21dd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`peyton.ns.cloudflare.com`
		A	108.162.193.221^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
		A	172.64.33.221^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
		A	173.245.59.221^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c08::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f26.1e100.net`
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
TXT	`google-site-verification=3TWJjXogIsqPRvvp2OO3UFScrdbWSln5raqt30mfW9Q`
TXT	`google-site-verification=7Y5ApdX06RjJPSbL_lbhGKg2XgSE-42QBk7lnIkIpUs`
TXT	`v=spf1 include:mail1.overstack.app include:_spf.google.com +mx ~all`
TXT	`yahoo-verification-key=AW3bu+tTU6oJ4uZaczxEkNYfu6/KJJJYB3ulTr4cyoo=`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	172.66.40.201, 172.66.43.55
		IPv6 hints	2606:4700:3108::ac42:28c9, 2606:4700:3108::ac42:2b37
SOA	`harlee.ns.cloudflare.com`dns@cloudflare.com serial=2413033388

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

overstack.pages.dev

overstack.app

overstack.nl

overstack.top

overstack.ru

overstack.com

overstack.fr

overstack.io

overstack.poker

overstack.ch

overstack.in

Similar names

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSharlee.ns.cloudflare.com2026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 15:36:46
● 2026-09-05 18:29:34

●NSpeyton.ns.cloudflare.com2026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 15:36:46
● 2026-09-05 18:29:34

●MXsmtp.google.com2026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 15:36:46
● 2026-09-05 18:29:34

●A172.66.40.2012026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 15:36:46
● 2026-09-05 18:29:34

●A172.66.43.552026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 15:36:46
● 2026-09-05 18:29:34

●A2606:4700:3108::ac42:28c92026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 15:36:46
● 2026-09-05 18:29:34

●A2606:4700:3108::ac42:2b372026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 15:36:46
● 2026-09-05 18:29:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
overstack.app	harlee.ns.cloudflare.com, peyton.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.238

NS records: harlee.ns.cloudflare.com, peyton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for overstack.app (unsigned zone)

⏱️ Timing

Total: 761ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.43.55, 172.66.40.201`
AAAA	2	`2606:4700:3108::ac42:2b37, 2606:4700:3108::ac42:28c9`
NS	2	`harlee.ns.cloudflare.com, peyton.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	4	`google-site-verification=3TWJjXogIsqPRvv, google-site-verification=7Y5ApdX06RjJPSb...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`harlee.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

overstack.app has four IP addresses: 172.66.40.201, 172.66.43.55, 2606:4700:3108::ac42:28c9 and 2606:4700:3108::ac42:2b37.

Among the host names that share IP numbers with overstack.app are gostudy.fr, layerstack.com.cdn.cloudflare.net, mail2.diracsol.com and two others.

Name Servers

overstack.app uses two name servers for its delegation: harlee.ns.cloudflare.com and peyton.ns.cloudflare.com.

overstack.app has the same name server delegation as a number of other domains, such as qpk.us.com, mergefield-plugin-jodit.pages.dev, shrixxenghun.world and two more.

overstack.app shares at least some of its name servers with other domains, including karen8765martin.pages.dev, playcorelounge.co.uk, xiaoniu168.top and two others.

These name servers are frequently seen alongside the name servers olivia.ns.cloudflare.com, kara.ns.cloudflare.com, harleigh.ns.cloudflare.com and adrian.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname harlee.ns.cloudflare.com directs to 108.162.194.238, 162.159.38.238 and 172.64.34.238 along with 3 other IP addresses.

Hostname peyton.ns.cloudflare.com directs to 108.162.193.221, 172.64.33.221 and 173.245.59.221 along with 3 other IP addresses.

Mail Servers

overstack.app routes its mail through a single mail server, smtp.google.com.

overstack.app has the same mail server arrangement as a number of other domains, for example bayouci.com, inb-corp.com, charterstoneclaims.com and two more.

overstack.app shares at least some of its mail servers with other domains — for example contactcohleybrand.com, desuriglobal.in, anax-group.com and two more.

These mail servers tend to be used in conjunction with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two additional mail servers.

smtp.google.com directs to 9 IP numbers, including 142.250.31.27, 142.251.163.26 and 142.251.163.27, along with 6 other.

overstack.app - robtex.com

overstack.app

app

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`overstack.app`

`app`