checksheet.app - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`checksheet.app`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:a27^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:b27^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4663^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.10.39^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.11.39^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.70.99^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`grace.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`grace.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`grace.ns.cloudflare.com`
		A	108.162.192.159^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	172.64.32.159^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	173.245.58.159^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
NS	`ian.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c176^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2176^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ian.ns.cloudflare.com`
		A	108.162.193.118^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	172.64.33.118^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	173.245.59.118^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`mailerlite-domain-verification=c0a84af86cb1fed3cef1cec7d63a8d64c801d8cd`
TXT	`v=spf1 include:_spf.mlsend.com include:_spf.mlsend.com a mx include:_spf.elas...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.26.10.39, 104.26.11.39, 172.67.70.99
		IPv6 hints	2606:4700:20::681a:a27, 2606:4700:20::681a:b27, 2606:4700:20::ac43:4663
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=109, name=cloudflare-ech.com
SOA	`grace.ns.cloudflare.com`dns@cloudflare.com serial=2411706053

`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

checksheet.co.uk

checksheet.app

DNS History

19 records (13 active, 6 former)

●NSgrace.ns.cloudflare.com2026-05-21 → 2026-08-16 · 3 obs

○ 2020-04-03 20:35:18
● 2026-05-21 17:27:34
● 2026-08-16 00:01:16

●NSian.ns.cloudflare.com2026-05-21 → 2026-08-16 · 3 obs

○ 2020-04-03 20:35:18
● 2026-05-21 17:27:34
● 2026-08-16 00:01:16

○NSjack.ns.cloudflare.com2020-04-03 → 2020-04-03 · 3 obs

● 2020-04-03 20:35:18
○ 2026-05-21 17:27:34
○ 2026-08-16 00:01:16

○NSlady.ns.cloudflare.com2020-04-03 → 2020-04-03 · 3 obs

● 2020-04-03 20:35:18
○ 2026-05-21 17:27:34
○ 2026-08-16 00:01:16

●MXalt1.aspmx.l.google.com2020-04-03 → 2026-08-16 · 2 obs

● 2020-04-03 20:35:18
● 2026-08-16 00:01:16

●MXalt2.aspmx.l.google.com2020-04-03 → 2026-08-16 · 2 obs

● 2020-04-03 20:35:18
● 2026-08-16 00:01:16

●MXaspmx.l.google.com2020-04-03 → 2026-08-16 · 2 obs

● 2020-04-03 20:35:18
● 2026-08-16 00:01:16

●MXaspmx2.googlemail.com2020-04-03 → 2026-08-16 · 2 obs

● 2020-04-03 20:35:18
● 2026-08-16 00:01:16

●MXaspmx3.googlemail.com2020-04-03 → 2026-08-16 · 2 obs

● 2020-04-03 20:35:18
● 2026-08-16 00:01:16

●A104.26.10.392026-05-21 → 2026-08-16 · 3 obs

○ 2020-04-03 20:35:18
● 2026-05-21 17:27:34
● 2026-08-16 00:01:16

●A104.26.11.392026-05-21 → 2026-08-16 · 3 obs

○ 2020-04-03 20:35:18
● 2026-05-21 17:27:34
● 2026-08-16 00:01:16

○A104.27.158.2392020-04-03 → 2020-04-03 · 3 obs

● 2020-04-03 20:35:18
○ 2026-05-21 17:27:34
○ 2026-08-16 00:01:16

○A104.27.159.2392020-04-03 → 2020-04-03 · 3 obs

● 2020-04-03 20:35:18
○ 2026-05-21 17:27:34
○ 2026-08-16 00:01:16

●A172.67.70.992026-05-21 → 2026-08-16 · 3 obs

○ 2020-04-03 20:35:18
● 2026-05-21 17:27:34
● 2026-08-16 00:01:16

●A2606:4700:20::681a:a272026-05-21 → 2026-08-16 · 3 obs

○ 2020-04-03 20:35:18
● 2026-05-21 17:27:34
● 2026-08-16 00:01:16

●A2606:4700:20::681a:b272026-05-21 → 2026-08-16 · 3 obs

○ 2020-04-03 20:35:18
● 2026-05-21 17:27:34
● 2026-08-16 00:01:16

●A2606:4700:20::ac43:46632026-05-21 → 2026-08-16 · 3 obs

○ 2020-04-03 20:35:18
● 2026-05-21 17:27:34
● 2026-08-16 00:01:16

○A2606:4700:3032::681b:9eef2020-04-03 → 2020-04-03 · 3 obs

● 2020-04-03 20:35:18
○ 2026-05-21 17:27:34
○ 2026-08-16 00:01:16

○A2606:4700:3036::681b:9fef2020-04-03 → 2020-04-03 · 3 obs

● 2020-04-03 20:35:18
○ 2026-05-21 17:27:34
○ 2026-08-16 00:01:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	-
checksheet.app	ian.ns.cloudflare.com, grace.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.118

NS records: ian.ns.cloudflare.com, grace.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checksheet.app (unsigned zone)

⏱️ Timing

Total: 378ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.11.39, 172.67.70.99...`
AAAA	3	`2606:4700:20::681a:b27, 2606:4700:20::ac43:4663...`
NS	2	`grace.ns.cloudflare.com, ian.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	2	`mailerlite-domain-verification=c0a84af86, v=spf1 include:_spf.mlsend.com include:_`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`grace.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

checksheet.app resolves to 6 IP numbers: 104.26.10.39, 104.26.11.39, 172.67.70.99 and 3 other.

Additional host names — googleview.com, techzine.com.br, watchanimesub.net and two others — share IP numbers with checksheet.app.

Name Servers

checksheet.app is delegated to two name servers: grace.ns.cloudflare.com and ian.ns.cloudflare.com.

checksheet.app shares its name server setup with other domains, including aiwize.com, wizeup.app, gameyoka.com and two others.

The name servers of checksheet.app overlap at least partially with those of other domains — among them alisa(0x706f726e).com, artcam2d.com, dhammastudy.org and two more.

These name servers commonly co-occur with the name servers lily.ns.cloudflare.com, meera.ns.cloudflare.com, austin.ns.cloudflare.com and algin.ns.cloudflare.com.

Host names with 6 IP numbers:

grace.ns.cloudflare.com resolves to 108.162.192.159, 172.64.32.159, 173.245.58.159 and 3 other IP addresses.

ian.ns.cloudflare.com resolves to 108.162.193.118, 172.64.33.118, 173.245.59.118 and 3 other IP addresses.

Mail Servers

checksheet.app has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

checksheet.app shares mail servers — at least in part — with other domains, including inanomo.com, odenwald-idyll.de, ns500742.ns500742.ns500688.ns500705.ns500678.ns500671.ns500678.ns500705.ns500291.ns500671.ns500671.ns500666.tenderladiesbz.com and two others.

These mail servers are frequently used alongside mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt4.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

aspmx2.googlemail.com points to 192.178.234.26 and 2800:3f0:4003:c14::1a.

aspmx3.googlemail.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com points to 142.251.167.26 and 2607:f8b0:4004:c21::1a.

alt1.aspmx.l.google.com points to 192.178.234.26 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 192.178.234.26 IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 2a00:1450:400b:c02::1b IP addresses.