`icalculators.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:abc3^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:37a9^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.169^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.195^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bob.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c168^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2168^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bob.ns.cloudflare.com`
		A	108.162.193.104^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	172.64.33.104^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	173.245.59.104^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
NS	`dolly.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a62^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dolly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c062^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dolly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2062^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dolly.ns.cloudflare.com`
		A	108.162.192.98^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dolly.ns.cloudflare.com`
		A	172.64.32.98^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dolly.ns.cloudflare.com`
		A	173.245.58.98^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dolly.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.169, 172.67.171.195
		IPv6 hints	2606:4700:3032::ac43:abc3, 2606:4700:3035::6815:37a9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=25, name=cloudflare-ech.com
SOA	`bob.ns.cloudflare.com`dns@cloudflare.com serial=2408909886

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1783989729

Same first word

icalculators.org

DNS History

6 records (6 active, 0 former)

●NSbob.ns.cloudflare.com2026-07-10 → 2026-07-14 · 2 obs

● 2026-07-10 03:19:30
● 2026-07-14 00:53:04

●NSdolly.ns.cloudflare.com2026-07-10 → 2026-07-14 · 2 obs

● 2026-07-10 03:19:30
● 2026-07-14 00:53:04

●A104.21.55.1692026-07-10 → 2026-07-14 · 2 obs

● 2026-07-10 03:19:30
● 2026-07-14 00:53:04

●A172.67.171.1952026-07-10 → 2026-07-14 · 2 obs

● 2026-07-10 03:19:30
● 2026-07-14 00:53:04

●A2606:4700:3032::ac43:abc32026-07-10 → 2026-07-14 · 2 obs

● 2026-07-10 03:19:30
● 2026-07-14 00:53:04

●A2606:4700:3035::6815:37a92026-07-10 → 2026-07-14 · 2 obs

● 2026-07-10 03:19:30
● 2026-07-14 00:53:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
icalculators.org	bob.ns.cloudflare.com, dolly.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.98

NS records: bob.ns.cloudflare.com, dolly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for icalculators.org (unsigned zone)

⏱️ Timing

Total: 990ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.55.169, 172.67.171.195`
AAAA	2	`2606:4700:3032::ac43:abc3, 2606:4700:3035::6815:37a9`
NS	2	`bob.ns.cloudflare.com, dolly.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bob.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

icalculators.org has four IP addresses: 104.21.55.169, 172.67.171.195, 2606:4700:3032::ac43:abc3 and 2606:4700:3035::6815:37a9.

m9323.cc, mawarshell.com, mastertal.net plus two other host names have IP numbers in common with icalculators.org.

Name Servers

The NS records for icalculators.org delegate to bob.ns.cloudflare.com and dolly.ns.cloudflare.com.

The name server configuration of icalculators.org is shared with other domains, for instance emergingweek.com, thermaxx.com.au, indianadiversitycouncil.org and two others.

icalculators.org shares at least some of its name servers with other domains, including viettower.info, bitzinc.com, worldproonline.co.uk and two others.

These name servers are frequently seen alongside the name servers rudy.ns.cloudflare.com.

Hosts with 6 IP addresses each:

bob.ns.cloudflare.com maps to 108.162.193.104, 172.64.33.104, 173.245.59.104 and 3 additional IP addresses.

dolly.ns.cloudflare.com maps to 108.162.192.98, 172.64.32.98, 173.245.58.98 and 3 additional IP addresses.

icalculators.org - robtex.com