commonlit.app - dns.ninja

`commonlit.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:292b^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:9ff3^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.43^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.243^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bart.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b47^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c147^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bart.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2147^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bart.ns.cloudflare.com`
		A	108.162.193.71^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	172.64.33.71^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	173.245.59.71^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
NS	`connie.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`connie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`connie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`connie.ns.cloudflare.com`
		A	108.162.192.247^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`connie.ns.cloudflare.com`
		A	172.64.32.247^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`connie.ns.cloudflare.com`
		A	173.245.58.247^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`connie.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.43, 172.67.159.243
		IPv6 hints	2606:4700:3032::6815:292b, 2606:4700:3034::ac43:9ff3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=10, name=cloudflare-ech.com
SOA	`bart.ns.cloudflare.com`dns@cloudflare.com serial=2411763156

`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

⚠️ On DNS blocklist: tif
🔒 HSTS Preload (+subdomains)

Same first word

commonlit.app

commonlit.s3.us-west-2.amazonaws.com

commonlit.com

commonlit.org

Similar names

mcmonolit.ru

DNS History

8 records (6 active, 2 former)

●NSbart.ns.cloudflare.com2026-03-20 → 2026-08-14 · 2 obs

● 2026-03-20 23:10:42
● 2026-08-14 03:47:46

●NSconnie.ns.cloudflare.com2026-03-20 → 2026-08-14 · 2 obs

● 2026-03-20 23:10:42
● 2026-08-14 03:47:46

●A104.21.41.432026-03-20 → 2026-08-14 · 2 obs

● 2026-03-20 23:10:42
● 2026-08-14 03:47:46

●A172.67.159.2432026-03-20 → 2026-08-14 · 2 obs

● 2026-03-20 23:10:42
● 2026-08-14 03:47:46

●A2606:4700:3032::6815:292b2026-07-17 → 2026-08-14 · 3 obs

○ 2026-06-03 23:08:06
● 2026-07-17 18:32:32
● 2026-08-14 03:47:46

○A2606:4700:3033::ac43:9ff32026-03-20 → 2026-06-03 · 4 obs

● 2026-03-20 23:10:42
● 2026-06-03 23:08:06
○ 2026-07-17 18:32:32
○ 2026-08-14 03:47:46

●A2606:4700:3034::ac43:9ff32026-07-17 → 2026-08-14 · 3 obs

○ 2026-06-03 23:08:06
● 2026-07-17 18:32:32
● 2026-08-14 03:47:46

○A2606:4700:3037::6815:292b2026-03-20 → 2026-06-03 · 4 obs

● 2026-03-20 23:10:42
● 2026-06-03 23:08:06
○ 2026-07-17 18:32:32
○ 2026-08-14 03:47:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
commonlit.app	connie.ns.cloudflare.com, bart.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.247

NS records: connie.ns.cloudflare.com, bart.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for commonlit.app (unsigned zone)

⏱️ Timing

Total: 612ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.41.43, 172.67.159.243`
AAAA	2	`2606:4700:3032::6815:292b, 2606:4700:3034::ac43:9ff3`
NS	2	`bart.ns.cloudflare.com, connie.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bart.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

IP Addresses

commonlit.app directs to four IP numbers, which are 104.21.41.43, 172.67.159.243, 2606:4700:3032::6815:292b and 2606:4700:3034::ac43:9ff3.

Two other host names, along with gameselevators.com, ch-paysdeploermel.fr and xhzxdp.com, also share IP numbers with commonlit.app.

Name Servers

commonlit.app has two authoritative name servers — bart.ns.cloudflare.com and connie.ns.cloudflare.com.

commonlit.app shares its NS records with other domains, for example 7wi.org, tudwater.com, sparks-fm.com and two others.

There is at least partial name server overlap between commonlit.app and other domains — runrun.dk, ramkodist.com, rolldorados-casinos.com and two more among them.

These name servers are routinely deployed together with the name servers hera.ns.cloudflare.com.

DNS names with 6 IP addresses:

bart.ns.cloudflare.com points to 108.162.193.71, 172.64.33.71, 173.245.59.71 and 3 other IP addresses.

connie.ns.cloudflare.com points to 108.162.192.247, 172.64.32.247, 173.245.58.247 and 3 other IP addresses.