`developmentprofessionals.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:525e^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:c7e0^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.94^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.199.224^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cass.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c051^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cass.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2051^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cass.ns.cloudflare.com`
		A	108.162.192.81^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	172.64.32.81^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	173.245.58.81^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
NS	`decker.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c9b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`decker.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`decker.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`decker.ns.cloudflare.com`
		A	108.162.195.155^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`decker.ns.cloudflare.com`
		A	162.159.44.155^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`decker.ns.cloudflare.com`
		A	172.64.35.155^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`decker.ns.cloudflare.com`
MX	`mx1-hosting.jellyfish.systems` ⭐
		A	162.255.118.28^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse3a.privateemail.com`
MX	`mx2-hosting.jellyfish.systems`⁽¹⁰⁾
		A	162.255.118.29^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse2b.privateemail.com`
MX	`mx3-hosting.jellyfish.systems`⁽²⁰⁾
		A	162.255.118.13^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx3-hosting.jellyfish.systems`
TXT	`v=spf1 +a +mx +ip4:198.54.125.10 +ip4:198.54.125.63 include:spf.web-hosting.c...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.82.94, 172.67.199.224
		IPv6	2606:4700:3032::6815:525e, 2606:4700:3035::ac43:c7e0
SOA	`cass.ns.cloudflare.com`dns@cloudflare.com serial=2395632179

`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=1774381894

WOT: UNKNOWN (61/100)

Subdomains

mail.developmentprofessionals.org

Same first word

developmentprofessionals.org

DNS History

15 records (9 active, 6 former)

●NScass.ns.cloudflare.com2026-02-15 → 2026-03-24 · 3 obs

○ 2017-04-01 04:50:28
● 2026-02-15 04:53:16
● 2026-03-24 20:01:10

●NSdecker.ns.cloudflare.com2026-02-15 → 2026-03-24 · 3 obs

○ 2017-04-01 04:50:28
● 2026-02-15 04:53:16
● 2026-03-24 20:01:10

○NSns1.fundsforngosusa.com2015-06-20 → 2017-04-01 · 4 obs

● 2015-06-20 14:03:02
● 2017-04-01 04:50:28
○ 2026-02-15 04:53:16
○ 2026-03-24 20:01:10

○NSns2.fundsforngosusa.com2015-06-20 → 2017-04-01 · 4 obs

● 2015-06-20 14:03:02
● 2017-04-01 04:50:28
○ 2026-02-15 04:53:16
○ 2026-03-24 20:01:10

○MXmail.developmentprofessionals.org2015-06-20 → 2017-04-01 · 4 obs

● 2015-06-20 14:03:02
● 2017-04-01 04:50:28
○ 2026-02-15 04:53:16
○ 2026-03-24 20:01:10

●MXmx1-hosting.jellyfish.systems2026-02-15 → 2026-03-24 · 3 obs

○ 2017-04-01 04:50:28
● 2026-02-15 04:53:16
● 2026-03-24 20:01:10

●MXmx2-hosting.jellyfish.systems2026-02-15 → 2026-03-24 · 3 obs

○ 2017-04-01 04:50:28
● 2026-02-15 04:53:16
● 2026-03-24 20:01:10

●MXmx3-hosting.jellyfish.systems2026-02-15 → 2026-03-24 · 3 obs

○ 2017-04-01 04:50:28
● 2026-02-15 04:53:16
● 2026-03-24 20:01:10

●A104.21.82.942026-02-15 → 2026-03-24 · 6 obs

○ 2017-04-01 04:50:28
● 2026-02-15 04:53:16
● 2026-03-11 15:29:38
○ 2026-03-17 16:50:28
● 2026-03-17 18:55:30
● 2026-03-24 20:01:10

○A172.64.80.12026-03-17 → 2026-03-17 · 4 obs

○ 2026-03-11 15:29:38
● 2026-03-17 16:50:28
○ 2026-03-17 18:55:30
○ 2026-03-24 20:01:10

●A172.67.199.2242026-02-15 → 2026-03-24 · 6 obs

○ 2017-04-01 04:50:28
● 2026-02-15 04:53:16
● 2026-03-11 15:29:38
○ 2026-03-17 16:50:28
● 2026-03-17 18:55:30
● 2026-03-24 20:01:10

○A198.57.184.912015-06-20 → 2017-04-01 · 4 obs

● 2015-06-20 14:03:02
● 2017-04-01 04:50:28
○ 2026-02-15 04:53:16
○ 2026-03-24 20:01:10

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-17 → 2026-03-17 · 4 obs

○ 2026-03-11 15:29:38
● 2026-03-17 16:50:28
○ 2026-03-17 18:55:30
○ 2026-03-24 20:01:10

●A2606:4700:3032::6815:525e2026-02-15 → 2026-03-24 · 6 obs

○ 2017-04-01 04:50:28
● 2026-02-15 04:53:16
● 2026-03-11 15:29:38
○ 2026-03-17 16:50:28
● 2026-03-17 18:55:30
● 2026-03-24 20:01:10

●A2606:4700:3035::ac43:c7e02026-02-15 → 2026-03-24 · 6 obs

○ 2017-04-01 04:50:28
● 2026-02-15 04:53:16
● 2026-03-11 15:29:38
○ 2026-03-17 16:50:28
● 2026-03-17 18:55:30
● 2026-03-24 20:01:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
developmentprofessionals.org	decker.ns.cloudflare.com, cass.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.81

NS records: decker.ns.cloudflare.com, cass.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developmentprofessionals.org (unsigned zone)

⏱️ Timing

Total: 472ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.199.224, 104.21.82.94`
AAAA	2	`2606:4700:3035::ac43:c7e0, 2606:4700:3032::6815:525e`
NS	2	`cass.ns.cloudflare.com, decker.ns.cloudflare.com`
MX	3	`mx2-hosting.jellyfish.systems (pri: 10), mx3-hosting.jellyfish.systems (pri: 20)...`
TXT	1	`v=spf1 +a +mx +ip4:198.54.125.10 +ip4:19`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cass.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

mail.developmentprofessionals.org has developmentprofessionals.org as its parent.

IP Addresses

developmentprofessionals.org maps to four IP numbers: 2606:4700:3032::6815:525e, 2606:4700:3035::ac43:c7e0, 104.21.82.94 and 172.67.199.224.

Other host names, for instance postbytes.com, 6dbusiness.com, www.dete.gr, mercedesaanbod.nl and 5yaoni.com share IP numbers with developmentprofessionals.org.

Name Servers

Two name servers cass.ns.cloudflare.com and decker.ns.cloudflare.com are delegated to developmentprofessionals.org.

developmentprofessionals.org uses the same name server configuration as other domains, such as thewebcully.com, pkci.org, greentips1.com, cardinalmaritime.com and leda.com.

developmentprofessionals.org at least partially shares name servers with other domains such as scholarlyassessmentreports.org, hbfangka.com, nexussd.com, 8sajjh-saji22-s22.com and 2ndchildhood.net.

These name servers are commonly used with malavika.ns.cloudflare.com and nitin.ns.cloudflare.com.

Host names with six IP numbers: Host name cass.ns.cloudflare.com points to 2606:4700:50::adf5:3a51, 2803:f800:50::6ca2:c051, 2a06:98c1:50::ac40:2051, 108.162.192.81, 172.64.32.81 and 173.245.58.81; host name decker.ns.cloudflare.com points to 2606:4700:58::a29f:2c9b, 2803:f800:50::6ca2:c39b, 2a06:98c1:50::ac40:239b, 108.162.195.155, 162.159.44.155 and 172.64.35.155.

Mail Servers

developmentprofessionals.org is handled by three mail servers: mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems.

developmentprofessionals.org shares mail servers with other domains at least in part, for instance nasjota.com, sovteens.com, korkork.com, readycreation.com and 789689880.xyz.

Host names with a single IP:

mx1-hosting.jellyfish.systems points to 162.255.118.28

mx2-hosting.jellyfish.systems points to 162.255.118.29

mx3-hosting.jellyfish.systems points to 162.255.118.13

developmentprofessionals.org - robtex.com