devcheck.app - dns.ninja

`devcheck.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:2175^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a255^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.33.117^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.162.85^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bob.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c168^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2168^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bob.ns.cloudflare.com`
		A	108.162.193.104^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	172.64.33.104^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	173.245.59.104^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
NS	`cruz.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a58^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c058^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cruz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2058^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cruz.ns.cloudflare.com`
		A	108.162.192.88^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	172.64.32.88^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	173.245.58.88^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
TXT	`google-site-verification=gkMo7G3JXKlLLs1TWHt-7FNd7axNqdSgvZ3utue2Ot4`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.33.117, 172.67.162.85
		IPv6 hints	2606:4700:3035::6815:2175, 2606:4700:3035::ac43:a255
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=246, name=cloudflare-ech.com
SOA	`bob.ns.cloudflare.com`dns@cloudflare.com serial=2407168129

`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

devcheck.net

devcheck.com

devcheck.co.in

devcheck.app

devcheck.de

Similar names

edvcheck.de

vchecked.de

edvcheck.com

checkedv.de

DNS History

12 records (6 active, 6 former)

●NSbob.ns.cloudflare.com2026-02-15 → 2026-07-03 · 2 obs

● 2026-02-15 01:19:24
● 2026-07-03 13:32:26

●NScruz.ns.cloudflare.com2026-02-15 → 2026-07-03 · 2 obs

● 2026-02-15 01:19:24
● 2026-07-03 13:32:26

●A104.21.33.1172026-02-15 → 2026-07-03 · 5 obs

● 2026-02-15 01:19:24
● 2026-04-24 02:18:22
○ 2026-05-14 06:15:32
● 2026-06-06 03:28:06
● 2026-07-03 13:32:26

●A172.67.162.852026-02-15 → 2026-07-03 · 5 obs

● 2026-02-15 01:19:24
● 2026-04-24 02:18:22
○ 2026-05-14 06:15:32
● 2026-06-06 03:28:06
● 2026-07-03 13:32:26

○A188.114.96.02026-05-14 → 2026-05-14 · 4 obs

○ 2026-04-24 02:18:22
● 2026-05-14 06:15:32
○ 2026-06-06 03:28:06
○ 2026-07-03 13:32:26

○A188.114.97.02026-05-14 → 2026-05-14 · 4 obs

○ 2026-04-24 02:18:22
● 2026-05-14 06:15:32
○ 2026-06-06 03:28:06
○ 2026-07-03 13:32:26

○A2606:4700:3033::6815:21752026-02-15 → 2026-06-11 · 7 obs

● 2026-02-15 01:19:24
● 2026-04-24 02:18:22
○ 2026-05-14 06:15:32
● 2026-06-06 03:28:06
● 2026-06-11 19:14:56
○ 2026-07-03 13:32:22
○ 2026-07-03 13:32:26

○A2606:4700:3033::ac43:a2552026-02-15 → 2026-06-11 · 7 obs

● 2026-02-15 01:19:24
● 2026-04-24 02:18:22
○ 2026-05-14 06:15:32
● 2026-06-06 03:28:06
● 2026-06-11 19:14:56
○ 2026-07-03 13:32:22
○ 2026-07-03 13:32:26

●A2606:4700:3035::6815:21752026-07-03 → 2026-07-03 · 3 obs

○ 2026-06-11 19:14:56
● 2026-07-03 13:32:22
● 2026-07-03 13:32:26

●A2606:4700:3035::ac43:a2552026-07-03 → 2026-07-03 · 3 obs

○ 2026-06-11 19:14:56
● 2026-07-03 13:32:22
● 2026-07-03 13:32:26

○A2a06:98c1:3120::2026-05-14 → 2026-05-14 · 4 obs

○ 2026-04-24 02:18:22
● 2026-05-14 06:15:32
○ 2026-06-06 03:28:06
○ 2026-07-03 13:32:26

○A2a06:98c1:3121::2026-05-14 → 2026-05-14 · 4 obs

○ 2026-04-24 02:18:22
● 2026-05-14 06:15:32
○ 2026-06-06 03:28:06
○ 2026-07-03 13:32:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...	-
devcheck.app	cruz.ns.cloudflare.com, bob.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.88

NS records: cruz.ns.cloudflare.com, bob.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devcheck.app (unsigned zone)

⏱️ Timing

Total: 790ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.33.117, 172.67.162.85`
AAAA	2	`2606:4700:3035::ac43:a255, 2606:4700:3035::6815:2175`
NS	2	`bob.ns.cloudflare.com, cruz.ns.cloudflare.com`
TXT	1	`google-site-verification=gkMo7G3JXKlLLs1`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bob.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

devcheck.app points to the four IP addresses 104.21.33.117, 172.67.162.85, 2606:4700:3035::6815:2175 and 2606:4700:3035::ac43:a255.

ttprom.ru, quksdns13.net, ns2.quksdns13.net and two other host names share IP numbers with devcheck.app.

Name Servers

Two name servers handle the delegation for devcheck.app: bob.ns.cloudflare.com and cruz.ns.cloudflare.com.

devcheck.app uses the same name servers as several other domains — among them shangxue6.com, happydayssurfpeniche.com, lazerhawks.net and two more.

The name servers of devcheck.app overlap at least partially with those of other domains — among them sonhosbuq.com.br, hzsswh.com, applyforyourfuture.com and two more.

These name servers commonly appear in combination with the name servers nola.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

bob.ns.cloudflare.com resolves to 108.162.193.104, 172.64.33.104 and 173.245.59.104 among others, with 3 other IP addresses in total.

cruz.ns.cloudflare.com resolves to 108.162.192.88, 172.64.32.88 and 173.245.58.88 among others, with 3 other IP addresses in total.