programcertification.co - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`programcertification.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:6002^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:abeb^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.96.2^{Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.235^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`nina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a88^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c088^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:2088^{Cloudflare2a06:98c1:50::/45}
		A	108.162.192.136^{Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.136^{Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.136^{Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`sean.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sean.ns.cloudflare.com`
		A	108.162.193.231^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sean.ns.cloudflare.com`
		A	172.64.33.231^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sean.ns.cloudflare.com`
		A	173.245.59.231^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sean.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=_Oi6wgIb9O1ANqJMYkIqHLgSd7Wwz6Txp8J-HCKHFcQ`
TXT	`google-site-verification=eg8dFWNSdioxaxe9X9ULViQ50_G3QYW5bCdQ_GVbTH0`
TXT	`v=spf1 ip4:202.12.122.192 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.96.2, 172.67.171.235
		IPv6 hints	2606:4700:3035::6815:6002, 2606:4700:3036::ac43:abeb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=7, name=cloudflare-ech.com
SOA	`nina.ns.cloudflare.com`dns@cloudflare.com serial=2415570724

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759772160

Same first word

programcertification.co

programcertification.com

programcertification.org

Similar names

certificationprogram.com

certificationprogram.org

Previous names

Next names

DNS History

15 records (11 active, 4 former)

●NSnina.ns.cloudflare.com2026-09-23 → 2026-10-03 · 2 obs

● 2026-09-23 06:14:14
● 2026-10-03 02:25:02

●NSsean.ns.cloudflare.com2026-09-23 → 2026-10-03 · 2 obs

● 2026-09-23 06:14:14
● 2026-10-03 02:25:02

●MXalt1.aspmx.l.google.com2026-09-23 → 2026-10-03 · 2 obs

● 2026-09-23 06:14:14
● 2026-10-03 02:25:02

●MXalt2.aspmx.l.google.com2026-09-23 → 2026-10-03 · 2 obs

● 2026-09-23 06:14:14
● 2026-10-03 02:25:02

●MXalt3.aspmx.l.google.com2026-09-23 → 2026-10-03 · 2 obs

● 2026-09-23 06:14:14
● 2026-10-03 02:25:02

●MXalt4.aspmx.l.google.com2026-09-23 → 2026-10-03 · 2 obs

● 2026-09-23 06:14:14
● 2026-10-03 02:25:02

●MXaspmx.l.google.com2026-09-23 → 2026-10-03 · 2 obs

● 2026-09-23 06:14:14
● 2026-10-03 02:25:02

●A104.21.96.22026-09-23 → 2026-10-03 · 3 obs

○ 2026-09-23 06:14:14
● 2026-09-23 20:07:32
● 2026-10-03 02:25:02

●A172.67.171.2352026-09-23 → 2026-10-03 · 3 obs

○ 2026-09-23 06:14:14
● 2026-09-23 20:07:32
● 2026-10-03 02:25:02

○A188.114.96.02026-09-23 → 2026-09-23 · 3 obs

● 2026-09-23 06:14:14
○ 2026-09-23 20:07:32
○ 2026-10-03 02:25:02

○A188.114.97.02026-09-23 → 2026-09-23 · 3 obs

● 2026-09-23 06:14:14
○ 2026-09-23 20:07:32
○ 2026-10-03 02:25:02

●A2606:4700:3035::6815:60022026-09-23 → 2026-10-03 · 3 obs

○ 2026-09-23 06:14:14
● 2026-09-23 20:07:32
● 2026-10-03 02:25:02

●A2606:4700:3036::ac43:abeb2026-09-23 → 2026-10-03 · 3 obs

○ 2026-09-23 06:14:14
● 2026-09-23 20:07:32
● 2026-10-03 02:25:02

○A2a06:98c1:3120::2026-09-23 → 2026-09-23 · 3 obs

● 2026-09-23 06:14:14
○ 2026-09-23 20:07:32
○ 2026-10-03 02:25:02

○A2a06:98c1:3121::2026-09-23 → 2026-09-23 · 3 obs

● 2026-09-23 06:14:14
○ 2026-09-23 20:07:32
○ 2026-10-03 02:25:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	d.registrydns.co, b.registrydns.co, a.registrydns.co, c.registrydns.co	-
programcertification.co	nina.ns.cloudflare.com, sean.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.231

NS records: nina.ns.cloudflare.com, sean.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programcertification.co (unsigned zone)

⏱️ Timing

Total: 1369ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.171.235, 104.21.96.2`
AAAA	2	`2606:4700:3035::6815:6002, 2606:4700:3036::ac43:abeb`
NS	2	`nina.ns.cloudflare.com, sean.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=_Oi6wgIb9O1ANqJ, google-site-verification=eg8dFWNSdioxaxe...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`nina.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

programcertification.co points to the four IP addresses 104.21.96.2, 172.67.171.235, 2606:4700:3035::6815:6002 and 2606:4700:3036::ac43:abeb.

Additional host names — 5cjbwlv.cn, wusman.com, cristobaldemorales.eu and two others — share IP numbers with programcertification.co.

Name Servers

programcertification.co is delegated to two name servers: nina.ns.cloudflare.com and sean.ns.cloudflare.com.

programcertification.co shares its name server setup with other domains, including charteredlearningprograms.com, 554818827.workers.dev, mnn1uvs7.workers.dev and two others.

There is at least partial name server overlap between programcertification.co and other domains — nico-ai-solution.pages.dev, elainelierlyjones.com, cnddsq.com and two more among them.

These name servers frequently co-occur with the name servers luciana.ns.cloudflare.com and ignat.ns.cloudflare.com.

Host names with 6 IP numbers:

nina.ns.cloudflare.com resolves to 108.162.192.136, 172.64.32.136, 173.245.58.136 and 3 other IP addresses.

sean.ns.cloudflare.com resolves to 108.162.193.231, 172.64.33.231, 173.245.59.231 and 3 other IP addresses.

Mail Servers

programcertification.co has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

programcertification.co shares mail servers — at least in part — with other domains, including mosaikflow.se, la-haut.org, firstkeysteps.com and two others.

These mail servers are frequently paired with the mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 172.253.122.26 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com points to 192.178.234.27 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1b.