`centralmassaflcio.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:c401^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1518^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.24^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.1^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bayan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b48^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c148^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bayan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2148^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bayan.ns.cloudflare.com`
		A	108.162.193.72^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	172.64.33.72^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	173.245.59.72^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
NS	`tess.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tess.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tess.ns.cloudflare.com`
		A	108.162.192.227^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	172.64.32.227^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	173.245.58.227^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
MX	`email.centralmassaflcio.org` ⭐
		A	44.205.165.164^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`email.cmaflcio.org`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.21.24, 172.67.196.1
		IPv6 hints	2606:4700:3034::ac43:c401, 2606:4700:3035::6815:1518
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com
SOA	`bayan.ns.cloudflare.com`dns@cloudflare.com serial=2402765174

`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=1778400937

Subdomains

mail.centralmassaflcio.org

email.centralmassaflcio.org

Same first word

centralmassaflcio.org

DNS History

11 records (7 active, 4 former)

●NSbayan.ns.cloudflare.com2026-03-19 → 2026-05-10 · 3 obs

○ 2017-06-21 10:03:32
● 2026-03-19 05:40:56
● 2026-05-10 08:42:40

○NSns1.prometheuslabor.com2015-06-11 → 2017-06-21 · 4 obs

● 2015-06-11 01:11:18
● 2017-06-21 10:03:32
○ 2026-03-19 05:40:56
○ 2026-05-10 08:42:40

○NSns2.prometheuslabor.com2015-06-11 → 2017-06-21 · 4 obs

● 2015-06-11 01:11:18
● 2017-06-21 10:03:32
○ 2026-03-19 05:40:56
○ 2026-05-10 08:42:40

●NStess.ns.cloudflare.com2026-03-19 → 2026-05-10 · 3 obs

○ 2017-06-21 10:03:32
● 2026-03-19 05:40:56
● 2026-05-10 08:42:40

●MXemail.centralmassaflcio.org2026-03-19 → 2026-05-10 · 3 obs

○ 2017-06-21 10:03:32
● 2026-03-19 05:40:56
● 2026-05-10 08:42:40

○MXmail.centralmassaflcio.org2015-06-11 → 2017-06-21 · 4 obs

● 2015-06-11 01:11:18
● 2017-06-21 10:03:32
○ 2026-03-19 05:40:56
○ 2026-05-10 08:42:40

●A104.21.21.242026-03-19 → 2026-05-10 · 3 obs

○ 2017-06-21 10:03:32
● 2026-03-19 05:40:56
● 2026-05-10 08:42:40

●A172.67.196.12026-03-19 → 2026-05-10 · 3 obs

○ 2017-06-21 10:03:32
● 2026-03-19 05:40:56
● 2026-05-10 08:42:40

○A205.237.96.1862015-06-11 → 2017-06-21 · 4 obs

● 2015-06-11 01:11:18
● 2017-06-21 10:03:32
○ 2026-03-19 05:40:56
○ 2026-05-10 08:42:40

●A2606:4700:3034::ac43:c4012026-03-19 → 2026-05-10 · 3 obs

○ 2017-06-21 10:03:32
● 2026-03-19 05:40:56
● 2026-05-10 08:42:40

●A2606:4700:3035::6815:15182026-03-19 → 2026-05-10 · 3 obs

○ 2017-06-21 10:03:32
● 2026-03-19 05:40:56
● 2026-05-10 08:42:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
centralmassaflcio.org	bayan.ns.cloudflare.com, tess.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.72

NS records: bayan.ns.cloudflare.com, tess.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centralmassaflcio.org (unsigned zone)

⏱️ Timing

Total: 309ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.196.1, 104.21.21.24`
AAAA	2	`2606:4700:3035::6815:1518, 2606:4700:3034::ac43:c401`
NS	2	`bayan.ns.cloudflare.com, tess.ns.cloudflare.com`
MX	1	`email.centralmassaflcio.org (pri: 5)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bayan.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

centralmassaflcio.org is a parent of mail.centralmassaflcio.org and email.centralmassaflcio.org.

IP Addresses

centralmassaflcio.org maps to four IP numbers: 2606:4700:3034::ac43:c401, 2606:4700:3035::6815:1518, 104.21.21.24 and 172.67.196.1.

Other host names, for instance 6715.jp, greenhouse2009.com, arrs.ir, dgguanhao.com and ilajak.com share IP numbers with centralmassaflcio.org.

Name Servers

Two name servers bayan.ns.cloudflare.com and tess.ns.cloudflare.com are delegated to centralmassaflcio.org.

centralmassaflcio.org uses the same name server configuration as other domains, such as seatu.org, stlclc.org, philaflcio.org, afl-cio.info and workingamericafund.org.

centralmassaflcio.org at least partially shares name servers with other domains such as saizon.com, atrbenefits.com, radioprogresso.com.br, zhaozhen5.com and widblog.com.

these name servers are commonly used with the name servers donna.ns.cloudflare.com.

Host names with six IP numbers: Host name bayan.ns.cloudflare.com points to 2606:4700:58::adf5:3b48, 2803:f800:50::6ca2:c148, 2a06:98c1:50::ac40:2148, 108.162.193.72, 172.64.33.72 and 173.245.59.72; host name tess.ns.cloudflare.com points to 2606:4700:50::adf5:3ae3, 2803:f800:50::6ca2:c0e3, 2a06:98c1:50::ac40:20e3, 108.162.192.227, 172.64.32.227 and 173.245.58.227.

Mail Servers

centralmassaflcio.org is handled by a single mail server, email.centralmassaflcio.org.

email.centralmassaflcio.org points to one IP number: 44.205.165.164.

centralmassaflcio.org - robtex.com