`addcal.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c407^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:151e^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.30^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.7^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`noel.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bd8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`noel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`noel.ns.cloudflare.com`
		A	108.162.193.216^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noel.ns.cloudflare.com`
		A	172.64.33.216^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noel.ns.cloudflare.com`
		A	173.245.59.216^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noel.ns.cloudflare.com`
NS	`robin.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ada^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`robin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`robin.ns.cloudflare.com`
		A	108.162.192.218^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robin.ns.cloudflare.com`
		A	172.64.32.218^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robin.ns.cloudflare.com`
		A	173.245.58.218^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robin.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁷⁵⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁹³⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=Z2SYrbvltj7RAvgG0x9YWnjeuwcVOK8gF3jGcDtZEtQ`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.21.30, 172.67.196.7
		IPv6	2606:4700:3030::ac43:c407, 2606:4700:3036::6815:151e
SOA	`noel.ns.cloudflare.com`dns@cloudflare.com serial=2399261114

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1774397820

rank #896563 globally
rank #6263 in the tld
📈 Tranco rank: #472,762

Same first word

addcal.com

addcal.io

Similar names

caldad.com

ladadc.ru

cladda.com

caladd.com

dcadla.blogspot.pt

lacdad.org

cadlad.com

dadcal.com

DNS History

9 records (9 active, 0 former)

●NSnoel.ns.cloudflare.com2026-02-23 → 2026-03-25 · 2 obs

● 2026-02-23 03:19:58
● 2026-03-25 00:39:22

●NSrobin.ns.cloudflare.com2026-02-23 → 2026-03-25 · 2 obs

● 2026-02-23 03:19:58
● 2026-03-25 00:39:22

●MXroute1.mx.cloudflare.net2026-02-23 → 2026-03-25 · 2 obs

● 2026-02-23 03:19:58
● 2026-03-25 00:39:22

●MXroute2.mx.cloudflare.net2026-02-23 → 2026-03-25 · 2 obs

● 2026-02-23 03:19:58
● 2026-03-25 00:39:22

●MXroute3.mx.cloudflare.net2026-02-23 → 2026-03-25 · 2 obs

● 2026-02-23 03:19:58
● 2026-03-25 00:39:22

●A104.21.21.302026-02-23 → 2026-03-25 · 2 obs

● 2026-02-23 03:19:58
● 2026-03-25 00:39:22

●A172.67.196.72026-02-23 → 2026-03-25 · 2 obs

● 2026-02-23 03:19:58
● 2026-03-25 00:39:22

●A2606:4700:3030::ac43:c4072026-02-23 → 2026-03-25 · 2 obs

● 2026-02-23 03:19:58
● 2026-03-25 00:39:22

●A2606:4700:3036::6815:151e2026-02-23 → 2026-03-25 · 2 obs

● 2026-02-23 03:19:58
● 2026-03-25 00:39:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	c0.nic.io, a0.nic.io, a2.nic.io, b0.nic.io	-
addcal.io	robin.ns.cloudflare.com, noel.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.218

NS records: robin.ns.cloudflare.com, noel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for addcal.io (unsigned zone)

⏱️ Timing

Total: 625ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.21.30, 172.67.196.7`
AAAA	2	`2606:4700:3030::ac43:c407, 2606:4700:3036::6815:151e`
NS	2	`noel.ns.cloudflare.com, robin.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 19), route1.mx.cloudflare.net (pri: 75)...`
TXT	2	`google-site-verification=Z2SYrbvltj7RAvg, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`noel.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

addcal.io points to four IP numbers: 2606:4700:3030::ac43:c407, 2606:4700:3036::6815:151e, 104.21.21.30 and 172.67.196.7.

Other host names, for instance jhmk.com, tmovies.org, miaco.net, app.amb345.me and ledaotv.com share IP numbers with addcal.io.

Name Servers

addcal.io is delegated to two name servers: noel.ns.cloudflare.com and robin.ns.cloudflare.com.

addcal.io uses the same name server setup as other domains, for instance dcestonian.com, akh.com, iiseoverseasedu.com, bonplandupeuple.com and vmloats.pages.dev.

addcal.io shares name servers with other domains at least partially, for instance ice(0x706f726e).club, prediksitotomacau.com, newskin.ua, cocoandrum.co.uk and data1.host.

these name servers are often used with susan.ns.cloudflare.com, ingrid.ns.cloudflare.com and dana.ns.cloudflare.com.

Host names with six IP numbers: noel.ns.cloudflare.com points to 2606:4700:58::adf5:3bd8, 2803:f800:50::6ca2:c1d8, 2a06:98c1:50::ac40:21d8, 108.162.193.216, 172.64.33.216 and 173.245.59.216; robin.ns.cloudflare.com points to 2606:4700:50::adf5:3ada, 2803:f800:50::6ca2:c0da, 2a06:98c1:50::ac40:20da, 108.162.192.218, 172.64.32.218 and 173.245.58.218.

Mail Servers

addcal.io is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

addcal.io shares some mail servers with other domains, including rzhost.ru, bteum.com, buburoute1001.space, kalimata.gr and missionbeachrentals.net.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13

route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25

addcal.io - robtex.com

addcal.io

io

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`addcal.io`

`io`