`calsbc.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c484^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:1538^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.56^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.132^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alex.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c164^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2164^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alex.ns.cloudflare.com`
		A	108.162.193.100^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	172.64.33.100^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	173.245.59.100^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
NS	`uma.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a92^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c092^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`uma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2092^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`uma.ns.cloudflare.com`
		A	108.162.192.146^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uma.ns.cloudflare.com`
		A	172.64.32.146^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uma.ns.cloudflare.com`
		A	173.245.58.146^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uma.ns.cloudflare.com`
MX	`_dc-mx.5faf39088584.calsbc.org` ⭐
		A	35.86.21.151^{🇺🇸 Amazon35.80.0.0/12 EC2 PDX prefix}
			PTR	`ec2-35-86-21-151.us-west-2.compute.amazonaws.com`
TXT	`v=spf1 a mx include:websitewelcome.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.21.56, 172.67.196.132
		IPv6 hints	2606:4700:3031::ac43:c484, 2606:4700:3033::6815:1538
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=25, name=cloudflare-ech.com
SOA	`alex.ns.cloudflare.com`dns@cloudflare.com serial=2401449393

`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=1776035513

Previously MX for

calsbc.org

Same first word

calsbc.net

calsbc.org

calsbc.com

Similar names

cclabs.tech

sbcalc.de

ccslab.org

cblsca.org

slcbac.org

clasbc.com

clasbc.org

cslbca.com

csclab.it

scclab.com

bcscla.com

cclabs.com

cclabs.org

acsclb.com

csclab.com

cbscal.net

cblsca.com

blaccs.com

calcbs.com

ccslab.com

accsbl.com

cclabs.ai

clasbc.net

scbcal.com

cclabs.xyz

DNS History

11 records (7 active, 4 former)

●NSalex.ns.cloudflare.com2026-04-07 → 2026-04-12 · 3 obs

○ 2017-04-22 14:45:28
● 2026-04-07 21:33:52
● 2026-04-12 23:33:04

○NSns1.themobiusnetwork.com2015-06-17 → 2017-04-22 · 4 obs

● 2015-06-17 10:34:14
● 2017-04-22 14:45:28
○ 2026-04-07 21:33:52
○ 2026-04-12 23:33:04

○NSns2.themobiusnetwork.com2015-06-17 → 2017-04-22 · 4 obs

● 2015-06-17 10:34:14
● 2017-04-22 14:45:28
○ 2026-04-07 21:33:52
○ 2026-04-12 23:33:04

●NSuma.ns.cloudflare.com2026-04-07 → 2026-04-12 · 3 obs

○ 2017-04-22 14:45:28
● 2026-04-07 21:33:52
● 2026-04-12 23:33:04

●MX_dc-mx.5faf39088584.calsbc.org2026-04-07 → 2026-04-12 · 3 obs

○ 2017-04-22 14:45:28
● 2026-04-07 21:33:52
● 2026-04-12 23:33:04

○MXcalsbc.org2015-06-17 → 2017-04-22 · 4 obs

● 2015-06-17 10:34:14
● 2017-04-22 14:45:28
○ 2026-04-07 21:33:52
○ 2026-04-12 23:33:04

●A104.21.21.562026-04-07 → 2026-04-12 · 3 obs

○ 2017-04-22 14:45:28
● 2026-04-07 21:33:52
● 2026-04-12 23:33:04

●A172.67.196.1322026-04-07 → 2026-04-12 · 3 obs

○ 2017-04-22 14:45:28
● 2026-04-07 21:33:52
● 2026-04-12 23:33:04

○A192.185.136.2052015-06-17 → 2017-04-22 · 4 obs

● 2015-06-17 10:34:14
● 2017-04-22 14:45:28
○ 2026-04-07 21:33:52
○ 2026-04-12 23:33:04

●A2606:4700:3031::ac43:c4842026-04-07 → 2026-04-12 · 3 obs

○ 2017-04-22 14:45:28
● 2026-04-07 21:33:52
● 2026-04-12 23:33:04

●A2606:4700:3033::6815:15382026-04-07 → 2026-04-12 · 3 obs

○ 2017-04-22 14:45:28
● 2026-04-07 21:33:52
● 2026-04-12 23:33:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
calsbc.org	uma.ns.cloudflare.com, alex.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.146

NS records: uma.ns.cloudflare.com, alex.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calsbc.org (unsigned zone)

⏱️ Timing

Total: 437ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.196.132, 104.21.21.56`
AAAA	2	`2606:4700:3033::6815:1538, 2606:4700:3031::ac43:c484`
NS	2	`alex.ns.cloudflare.com, uma.ns.cloudflare.com`
MX	1	`_dc-mx.5faf39088584.calsbc.org (pri: 0)`
TXT	1	`v=spf1 a mx include:websitewelcome.com ~`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alex.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

calsbc.org resolves to four IP numbers: 2606:4700:3031::ac43:c484, 2606:4700:3033::6815:1538, 104.21.21.56 and 172.67.196.132.

Other host names such as real-estate-agent-jackson18528.spintheblog.com, canadamagazines.com, stfrancissikandra.org, www.gibo.pl and www.aphongjun.com share IPs with calsbc.org.

Name Servers

calsbc.org is delegated to two name servers: alex.ns.cloudflare.com and uma.ns.cloudflare.com.

calsbc.org shares the same name server setup as harjim.com, trioreadymix.com, keepcabeautiful.org, themobiusnetwork.com and pravatar.cc.

calsbc.org at least partially shares name servers with other domains, for instance floc.lu, bennsrejser.dk, fanclub-fakel.ru, bizzardbet.net and shoptee.de.

These name servers are commonly used with dora.ns.cloudflare.com and lara.ns.cloudflare.com.

Host names with six IP numbers:

alex.ns.cloudflare.com points to 2606:4700:58::adf5:3b64, 2803:f800:50::6ca2:c164, 2a06:98c1:50::ac40:2164, 108.162.193.100, 172.64.33.100 and 173.245.59.100.

uma.ns.cloudflare.com points to 2606:4700:50::adf5:3a92, 2803:f800:50::6ca2:c092, 2a06:98c1:50::ac40:2092, 108.162.192.146, 172.64.32.146 and 173.245.58.146.

Mail Servers

calsbc.org is handled by a single mail server, _dc-mx.5faf39088584.calsbc.org.

_dc-mx.5faf39088584.calsbc.org points to a single IP: 35.86.21.151.

calsbc.org - robtex.com

calsbc.org

org

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`calsbc.org`

`org`