`calculoonline.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c5cf^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:44b6^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.68.182^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.197.207^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
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`
NS	`laura.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`laura.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`laura.ns.cloudflare.com`
		A	108.162.192.183^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	172.64.32.183^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	173.245.58.183^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.68.182, 172.67.197.207
		IPv6 hints	2606:4700:3030::ac43:c5cf, 2606:4700:3031::6815:44b6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com
SOA	`elliot.ns.cloudflare.com`dns@cloudflare.com serial=2402623153

`com.br`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.br` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.br` ⚠️ Not in parent delegation
	NS	`c.dns.br` ⚠️ Not in parent delegation
	NS	`d.dns.br` ⚠️ Not in parent delegation
	NS	`e.dns.br` ⚠️ Not in parent delegation
	NS	`f.dns.br` ⚠️ Not in parent delegation
	SOA	`a.dns.br`hostmaster@registro.br serial=2026133310

rank #536330 globally
rank #4055 in the tld
WOT: SAFE (69/100)

Same first word

calculoonline.com

calculoonline.com.br

DNS History

19 records (6 active, 13 former)

●NSelliot.ns.cloudflare.com2026-04-29 → 2026-05-13 · 3 obs

○ 2026-04-25 05:14:30
● 2026-04-29 14:44:14
● 2026-05-13 13:13:22

●NSlaura.ns.cloudflare.com2026-04-29 → 2026-05-13 · 3 obs

○ 2026-04-25 05:14:30
● 2026-04-29 14:44:14
● 2026-05-13 13:13:22

○NSns1.calculoonline.com.br2017-02-07 → 2017-02-07 · 3 obs

● 2017-02-07 13:02:22
○ 2020-02-13 23:04:16
○ 2026-05-13 13:13:22

○NSns1.dns-parking.com2026-02-23 → 2026-04-25 · 5 obs

○ 2020-02-13 23:04:16
● 2026-02-23 14:11:00
● 2026-04-25 05:14:30
○ 2026-04-29 14:44:14
○ 2026-05-13 13:13:22

○NSns2.calculoonline.com.br2017-02-07 → 2017-02-07 · 3 obs

● 2017-02-07 13:02:22
○ 2020-02-13 23:04:16
○ 2026-05-13 13:13:22

○NSns2.dns-parking.com2026-02-23 → 2026-04-25 · 5 obs

○ 2020-02-13 23:04:16
● 2026-02-23 14:11:00
● 2026-04-25 05:14:30
○ 2026-04-29 14:44:14
○ 2026-05-13 13:13:22

○NSns940.hostgator.com.br2020-02-13 → 2020-02-13 · 4 obs

○ 2017-02-07 13:02:22
● 2020-02-13 23:04:16
○ 2026-02-23 14:11:00
○ 2026-05-13 13:13:22

○NSns941.hostgator.com.br2020-02-13 → 2020-02-13 · 4 obs

○ 2017-02-07 13:02:22
● 2020-02-13 23:04:16
○ 2026-02-23 14:11:00
○ 2026-05-13 13:13:22

○MXmail.calculoonline.com.br2020-02-13 → 2020-02-13 · 4 obs

○ 2017-02-07 13:02:22
● 2020-02-13 23:04:16
○ 2026-02-23 14:11:00
○ 2026-05-13 13:13:22

○MXmx.a.correio.biz2017-02-07 → 2017-02-07 · 3 obs

● 2017-02-07 13:02:22
○ 2020-02-13 23:04:16
○ 2026-05-13 13:13:22

○MXmx.b.correio.biz2017-02-07 → 2017-02-07 · 3 obs

● 2017-02-07 13:02:22
○ 2020-02-13 23:04:16
○ 2026-05-13 13:13:22

○MXmx.jk.correio.biz2017-02-07 → 2017-02-07 · 3 obs

● 2017-02-07 13:02:22
○ 2020-02-13 23:04:16
○ 2026-05-13 13:13:22

●A104.21.68.1822026-04-29 → 2026-05-13 · 3 obs

○ 2026-04-25 05:14:30
● 2026-04-29 14:44:14
● 2026-05-13 13:13:22

○A162.241.2.1822020-02-13 → 2020-02-13 · 4 obs

○ 2017-02-07 13:02:22
● 2020-02-13 23:04:16
○ 2026-02-23 14:11:00
○ 2026-05-13 13:13:22

●A172.67.197.2072026-04-29 → 2026-05-13 · 3 obs

○ 2026-04-25 05:14:30
● 2026-04-29 14:44:14
● 2026-05-13 13:13:22

○A185.158.133.12026-02-23 → 2026-04-25 · 5 obs

○ 2020-02-13 23:04:16
● 2026-02-23 14:11:00
● 2026-04-25 05:14:30
○ 2026-04-29 14:44:14
○ 2026-05-13 13:13:22

○A186.202.126.62017-02-07 → 2017-02-07 · 3 obs

● 2017-02-07 13:02:22
○ 2020-02-13 23:04:16
○ 2026-05-13 13:13:22

●A2606:4700:3030::ac43:c5cf2026-04-29 → 2026-05-13 · 3 obs

○ 2026-04-25 05:14:30
● 2026-04-29 14:44:14
● 2026-05-13 13:13:22

●A2606:4700:3031::6815:44b62026-04-29 → 2026-05-13 · 3 obs

○ 2026-04-25 05:14:30
● 2026-04-29 14:44:14
● 2026-05-13 13:13:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, f.dns.br, c.dns.br, d.dns.br...	-
calculoonline.com.br	elliot.ns.cloudflare.com, laura.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.183

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calculoonline.com.br (unsigned zone)

⏱️ Timing

Total: 1254ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.68.182, 172.67.197.207`
AAAA	2	`2606:4700:3030::ac43:c5cf, 2606:4700:3031::6815:44b6`
NS	2	`elliot.ns.cloudflare.com, laura.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elliot.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

calculoonline.com.br points to four IP numbers: 2606:4700:3030::ac43:c5cf, 2606:4700:3031::6815:44b6, 104.21.68.182 and 172.67.197.207.

For instance, other host names doramasmp4.gratis, astianfo.irish, facesofblackhouston.com, xaroniquendi.com and lghr2ve.com share IP numbers with calculoonline.com.br.

Name Servers

calculoonline.com.br is delegated to two name servers: elliot.ns.cloudflare.com and laura.ns.cloudflare.com.

calculoonline.com.br uses the same name server setup as other domains such as biogenicnutrition.com, zsh.moe, digitalflourish.co.uk, medco.org.uk and juscoratchada.com.

calculoonline.com.br shares name servers with other domains at least partially, for example vlwx.cn, i01.io, tidd.me, 50ed.com and winlive4dbonus30k-2.sbs.

These name servers are often used together with the name servers augustus.ns.cloudflare.com, mike.ns.cloudflare.com, carter.ns.cloudflare.com, magnolia.ns.cloudflare.com and sage.ns.cloudflare.com.

Host names with six IP numbers: host name elliot.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba2, 2803:f800:50::6ca2:c1a2, 2a06:98c1:50::ac40:21a2, 108.162.193.162, 172.64.33.162 and 173.245.59.162; host name laura.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab7, 2803:f800:50::6ca2:c0b7, 2a06:98c1:50::ac40:20b7, 108.162.192.183, 172.64.32.183 and 173.245.58.183.

calculoonline.com.br - robtex.com