`rapidcalculation.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:aaac^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3f7b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.63.123^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.172^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adel.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a37^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c037^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2037^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adel.ns.cloudflare.com`
		A	108.162.192.55^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
		A	172.64.32.55^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
		A	173.245.58.55^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
NS	`darl.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b62^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c162^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2162^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darl.ns.cloudflare.com`
		A	108.162.193.98^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	172.64.33.98^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	173.245.59.98^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.63.123, 172.67.170.172
		IPv6	2606:4700:3030::ac43:aaac, 2606:4700:3037::6815:3f7b
SOA	`adel.ns.cloudflare.com`dns@cloudflare.com serial=2397017817

`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=1771291435

Previously MX for

rapidcalculation.com

Same first word

rapidcalculation.com

DNS History

16 records (6 active, 10 former)

●NSadel.ns.cloudflare.com2026-03-14 → 2026-03-24 · 3 obs

○ 2018-11-13 18:41:56
● 2026-03-14 03:00:04
● 2026-03-24 09:27:26

●NSdarl.ns.cloudflare.com2026-03-14 → 2026-03-24 · 3 obs

○ 2018-11-13 18:41:56
● 2026-03-14 03:00:04
● 2026-03-24 09:27:26

○NSns1.a2hosting.com2018-11-13 → 2018-11-13 · 4 obs

○ 2016-12-20 03:10:48
● 2018-11-13 18:41:56
○ 2026-03-14 03:00:04
○ 2026-03-24 09:27:26

○NSns1.bluehost.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 03:10:48
○ 2018-11-13 18:41:56
○ 2026-03-24 09:27:26

○NSns2.a2hosting.com2018-11-13 → 2018-11-13 · 4 obs

○ 2016-12-20 03:10:48
● 2018-11-13 18:41:56
○ 2026-03-14 03:00:04
○ 2026-03-24 09:27:26

○NSns2.bluehost.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 03:10:48
○ 2018-11-13 18:41:56
○ 2026-03-24 09:27:26

○NSns3.a2hosting.com2018-11-13 → 2018-11-13 · 4 obs

○ 2016-12-20 03:10:48
● 2018-11-13 18:41:56
○ 2026-03-14 03:00:04
○ 2026-03-24 09:27:26

○NSns4.a2hosting.com2018-11-13 → 2018-11-13 · 4 obs

○ 2016-12-20 03:10:48
● 2018-11-13 18:41:56
○ 2026-03-14 03:00:04
○ 2026-03-24 09:27:26

○MXmail.rapidcalculation.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 03:10:48
○ 2018-11-13 18:41:56
○ 2026-03-24 09:27:26

○MXrapidcalculation.com2018-11-13 → 2018-11-13 · 4 obs

○ 2016-12-20 03:10:48
● 2018-11-13 18:41:56
○ 2026-03-14 03:00:04
○ 2026-03-24 09:27:26

●A104.21.63.1232026-03-14 → 2026-03-24 · 3 obs

○ 2018-11-13 18:41:56
● 2026-03-14 03:00:04
● 2026-03-24 09:27:26

●A172.67.170.1722026-03-14 → 2026-03-24 · 3 obs

○ 2018-11-13 18:41:56
● 2026-03-14 03:00:04
● 2026-03-24 09:27:26

●A2606:4700:3030::ac43:aaac2026-03-14 → 2026-03-24 · 3 obs

○ 2018-11-13 18:41:56
● 2026-03-14 03:00:04
● 2026-03-24 09:27:26

●A2606:4700:3037::6815:3f7b2026-03-14 → 2026-03-24 · 3 obs

○ 2018-11-13 18:41:56
● 2026-03-14 03:00:04
● 2026-03-24 09:27:26

○A68.66.224.62018-11-13 → 2018-11-13 · 4 obs

○ 2016-12-20 03:10:48
● 2018-11-13 18:41:56
○ 2026-03-14 03:00:04
○ 2026-03-24 09:27:26

○A69.195.124.1032016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 03:10:48
○ 2018-11-13 18:41:56
○ 2026-03-24 09:27:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rapidcalculation.com	adel.ns.cloudflare.com, darl.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.98

NS records: adel.ns.cloudflare.com, darl.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rapidcalculation.com (unsigned zone)

⏱️ Timing

Total: 2006ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.63.123, 172.67.170.172`
AAAA	2	`2606:4700:3037::6815:3f7b, 2606:4700:3030::ac43:aaac`
NS	2	`adel.ns.cloudflare.com, darl.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adel.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by rapidcalculation.com: 2606:4700:3030::ac43:aaac, 2606:4700:3037::6815:3f7b, 104.21.63.123 and 172.67.170.172.

other host names including www.unioncorp.co.jp, jackpotbet.us, dev.dazeoff.com, cpanel.ghccleaning.com and czwdhg.com share IP numbers with rapidcalculation.com.

Name Servers

rapidcalculation.com is delegated to two name servers adel.ns.cloudflare.com and darl.ns.cloudflare.com.

rapidcalculation.com shares the same name server setup as other domains, for instance klaipeda.city, lasmanis.eu, uroci.bg, buttercuprain.com and stonehaus.rocks.

rapidcalculation.com at least partially shares name servers with other domains, for instance sean.cat, inatogel.bond, hostnews.net, eon51.com and jcity.co.il.

These name servers are commonly used with rosa.ns.cloudflare.com, jack.ns.cloudflare.com and graham.ns.cloudflare.com.

Host names with six IP numbers:

Host name adel.ns.cloudflare.com points to: 2606:4700:50::adf5:3a37, 2803:f800:50::6ca2:c037, 2a06:98c1:50::ac40:2037, 108.162.192.55, 172.64.32.55 and 173.245.58.55.

Host name darl.ns.cloudflare.com points to: 2606:4700:58::adf5:3b62, 2803:f800:50::6ca2:c162, 2a06:98c1:50::ac40:2162, 108.162.193.98, 172.64.33.98 and 173.245.59.98.

rapidcalculation.com - robtex.com