`readfrog.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:32d2^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a771^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.210^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.113^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`athena.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a48^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c048^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`athena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2048^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`athena.ns.cloudflare.com`
		A	108.162.192.72^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
		A	172.64.32.72^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
		A	173.245.58.72^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
NS	`elliot.ns.cloudflare.com`
		A	2606:4700:58::adf5:3ba2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elliot.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elliot.ns.cloudflare.com`
		A	108.162.193.162^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	172.64.33.162^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	173.245.59.162^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
MX	`mx1.larksuite.com` ⭐
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.larksuite.com`⁽⁵⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx3.larksuite.com`⁽¹⁰⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.223^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.230.154^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`google-site-verification=eIm0sOCFp03lqI_36JLaS5T3ueqc1nqhGVXM5ZsFUFA`
TXT	`v=spf1 include:sendersrv.com include:spf.onlarksuite.com -all`
TXT	`verification-code-site-App_lark=GUfMZSpPQCJl2fplMjRg`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.210, 172.67.167.113
		IPv6 hints	2606:4700:3035::6815:32d2, 2606:4700:3035::ac43:a771
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com
SOA	`athena.ns.cloudflare.com`dns@cloudflare.com serial=2411144374

`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

📈 Tranco rank: #183,473
🔒 HSTS Preload (+subdomains)

Subdomains

gw.readfrog.app

Same first word

readfrog.azurewebsites.net

readfrog.com

readfrog.app

Similar names

grafdoer.in

foredrag.dk

foredrag.se

forgeard.com

frogread.com

DNS History

10 records (9 active, 1 former)

●NSathena.ns.cloudflare.com2026-05-12 → 2026-08-03 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-03 16:22:12

●NSelliot.ns.cloudflare.com2026-05-12 → 2026-08-03 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-03 16:22:12

●MXmx1.larksuite.com2026-05-12 → 2026-08-03 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-03 16:22:12

●MXmx2.larksuite.com2026-05-12 → 2026-08-03 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-03 16:22:12

●MXmx3.larksuite.com2026-05-12 → 2026-08-03 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-03 16:22:12

●A104.21.50.2102026-05-12 → 2026-08-03 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-03 16:22:12

●A172.67.167.1132026-05-12 → 2026-08-03 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-03 16:22:12

○A2606:4700:3033::6815:32d22026-05-12 → 2026-05-15 · 4 obs

● 2026-05-12 05:15:04
● 2026-05-15 16:32:06
○ 2026-07-02 20:49:28
○ 2026-08-03 16:22:12

●A2606:4700:3035::6815:32d22026-07-02 → 2026-08-03 · 3 obs

○ 2026-05-15 16:32:06
● 2026-07-02 20:49:28
● 2026-08-03 16:22:12

●A2606:4700:3035::ac43:a7712026-05-12 → 2026-08-03 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-03 16:22:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	-
readfrog.app	elliot.ns.cloudflare.com, athena.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.162

NS records: elliot.ns.cloudflare.com, athena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readfrog.app (unsigned zone)

⏱️ Timing

Total: 625ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.50.210, 172.67.167.113`
AAAA	2	`2606:4700:3035::ac43:a771, 2606:4700:3035::6815:32d2`
NS	2	`athena.ns.cloudflare.com, elliot.ns.cloudflare.com`
MX	3	`mx1.larksuite.com (pri: 1), mx3.larksuite.com (pri: 10)...`
TXT	3	`google-site-verification=eIm0sOCFp03lqI_, v=spf1 include:sendersrv.com include:spf...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`athena.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

gw.readfrog.app is a subdomain of readfrog.app.

IP Addresses

readfrog.app directs to four IP numbers, which are 104.21.50.210, 172.67.167.113, 2606:4700:3035::6815:32d2 and 2606:4700:3035::ac43:a771.

bhbet5.com, up-4.net, aviatrade.aero plus two other host names have IP numbers in common with readfrog.app.

Name Servers

DNS delegation for readfrog.app points to two name servers: athena.ns.cloudflare.com and elliot.ns.cloudflare.com.

The name server configuration of readfrog.app is shared with other domains, for instance techhimalaya.com, akinrestoran.com, sacsekillerimodelleri.org and two others.

The name servers of readfrog.app overlap at least partially with those of other domains — among them blend-works.com, 100b.net, bestmoviesbyfarr.com and two more.

The name servers rocco.ns.cloudflare.com, virginia.ns.cloudflare.com and logan.ns.cloudflare.com are commonly seen alongside these name servers.

Hosts with 6 IP addresses each:

athena.ns.cloudflare.com has IP addresses 108.162.192.72, 172.64.32.72 and 173.245.58.72, plus 3 other.

elliot.ns.cloudflare.com has IP addresses 108.162.193.162, 172.64.33.162 and 173.245.59.162, plus 3 other.

Mail Servers

Mail for readfrog.app is routed through three mail servers — mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.

At least some of the mail servers used by readfrog.app are shared with other domains: win88.biz, commercex.vn, capital-fortunes.com and two others among them.

Host names carrying three IP numbers:

mx3.larksuite.com has IP addresses 18.139.153.173, 101.126.58.223 and 122.14.230.154.

Host names resolving to a single IP address:

mx1.larksuite.com directs to 18.139.153.173.

mx2.larksuite.com directs to 18.139.153.173.

Three host names point to 18.139.153.173: mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com.

readfrog.app - robtex.com

readfrog.app

app

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`readfrog.app`

`app`