learntocalculate.com - dns.ninja

`learntocalculate.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:30ef^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:9d01^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.48.239^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.157.1^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`charles.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b53^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c153^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`charles.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2153^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`charles.ns.cloudflare.com`
		A	108.162.193.83^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	172.64.33.83^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	173.245.59.83^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
NS	`cloe.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a56^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c056^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cloe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2056^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cloe.ns.cloudflare.com`
		A	108.162.192.86^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	172.64.32.86^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	173.245.58.86^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
TXT	`ahrefs-site-verification_e2e871b72c566e0bd467293e9506f8d875f49cc0989f40b94d27...`
TXT	`google-site-verification=wAgZRQ0HrV8yuXPQfvnM-Sn_v1UPXT5E_2hYKvRBIkA`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.48.239, 172.67.157.1
		IPv6 hints	2606:4700:3030::6815:30ef, 2606:4700:3035::ac43:9d01
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com
SOA	`charles.ns.cloudflare.com`dns@cloudflare.com serial=2410151977

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785341332

Same first word

learntocalculate.com

DNS History

12 records (6 active, 6 former)

●NScharles.ns.cloudflare.com2020-04-11 → 2026-07-29 · 2 obs

● 2020-04-11 04:40:32
● 2026-07-29 16:28:44

●NScloe.ns.cloudflare.com2020-04-11 → 2026-07-29 · 2 obs

● 2020-04-11 04:40:32
● 2026-07-29 16:28:44

●A104.21.48.2392026-02-20 → 2026-07-29 · 3 obs

○ 2020-04-11 04:40:32
● 2026-02-20 02:03:08
● 2026-07-29 16:28:44

○A104.24.108.2512020-04-11 → 2020-04-11 · 3 obs

● 2020-04-11 04:40:32
○ 2026-02-20 02:03:08
○ 2026-07-29 16:28:44

○A104.24.109.2512020-04-11 → 2020-04-11 · 3 obs

● 2020-04-11 04:40:32
○ 2026-02-20 02:03:08
○ 2026-07-29 16:28:44

●A172.67.157.12026-02-20 → 2026-07-29 · 3 obs

○ 2020-04-11 04:40:32
● 2026-02-20 02:03:08
● 2026-07-29 16:28:44

●A2606:4700:3030::6815:30ef2026-07-29 → 2026-07-29 · 2 obs

○ 2026-02-20 02:03:08
● 2026-07-29 16:28:44

○A2606:4700:3030::6818:6cfb2020-04-11 → 2020-04-11 · 3 obs

● 2020-04-11 04:40:32
○ 2026-02-20 02:03:08
○ 2026-07-29 16:28:44

○A2606:4700:3031::ac43:9d012026-02-20 → 2026-02-20 · 3 obs

○ 2020-04-11 04:40:32
● 2026-02-20 02:03:08
○ 2026-07-29 16:28:44

○A2606:4700:3033::6815:30ef2026-02-20 → 2026-02-20 · 3 obs

○ 2020-04-11 04:40:32
● 2026-02-20 02:03:08
○ 2026-07-29 16:28:44

○A2606:4700:3033::6818:6dfb2020-04-11 → 2020-04-11 · 3 obs

● 2020-04-11 04:40:32
○ 2026-02-20 02:03:08
○ 2026-07-29 16:28:44

●A2606:4700:3035::ac43:9d012026-07-29 → 2026-07-29 · 2 obs

○ 2026-02-20 02:03:08
● 2026-07-29 16:28:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
learntocalculate.com	cloe.ns.cloudflare.com, charles.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.83

NS records: cloe.ns.cloudflare.com, charles.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learntocalculate.com (unsigned zone)

⏱️ Timing

Total: 262ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.157.1, 104.21.48.239`
AAAA	2	`2606:4700:3035::ac43:9d01, 2606:4700:3030::6815:30ef`
NS	2	`charles.ns.cloudflare.com, cloe.ns.cloudflare.com`
TXT	2	`ahrefs-site-verification_e2e871b72c566e0, google-site-verification=wAgZRQ0HrV8yuXP`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`charles.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (cloe.ns.cloudflare.com, cloe.ns.cloudflare.com, cloe.ns.cloudflare.com...)

Analysis

IP Addresses

learntocalculate.com has four IP addresses: 104.21.48.239, 172.67.157.1, 2606:4700:3030::6815:30ef and 2606:4700:3035::ac43:9d01.

roadbikehub.site, mail.skazok.ru, movewin.life plus two other host names have IP numbers in common with learntocalculate.com.

Name Servers

DNS delegation for learntocalculate.com points to two name servers: charles.ns.cloudflare.com and cloe.ns.cloudflare.com.

The name server configuration of learntocalculate.com is shared with other domains, for instance hytale1.ru, scao.nl, psprs.net and two others.

learntocalculate.com has at least partial name server overlap with other domains, such as paulista900.com.br, moneylender.sg, jpcoindia.com and two others.

It is common to find these name servers paired with the name servers shaz.ns.cloudflare.com.

Hosts with 6 IP addresses each:

charles.ns.cloudflare.com has IP addresses 108.162.193.83, 172.64.33.83 and 173.245.59.83, plus 3 other.

cloe.ns.cloudflare.com has IP addresses 108.162.192.86, 172.64.32.86 and 173.245.58.86, plus 3 other.