`developercertificate.com`

DNSSEC	⚠️ Not signed
A	54.192.100.20^{🇺🇸 Amazon54.192.100.0/22 CF}
		PTR	`server-54-192-100-20.mci50.r.cloudfront.net`
A	54.192.100.67^{🇺🇸 Amazon54.192.100.0/22 CF}
A	54.192.100.69^{🇺🇸 Amazon54.192.100.0/22 CF}
A	54.192.100.113^{🇺🇸 Amazon54.192.100.0/22 CF}
NS	`ns1.dnsimple.com` ⭐
		A	2400:cb00:2049:1::a29f:1804^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns1.dnsimple.com`
		A	162.159.24.4^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dnsimple.com`
NS	`ns2.dnsimple-edge.net`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
			PTR	`ip-199-247-153-53.defastlink.net`
NS	`ns3.dnsimple.com`
		A	2400:cb00:2049:1::a29f:1a04^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns3.dnsimple.com`
		A	162.159.26.4^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.dnsimple.com`
NS	`ns4.dnsimple-edge.org`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
			PTR	`ip-199-247-155-53.defastlink.net`
MX	`mx1.forwardemail.net` ⭐ 🔒
		A	2604:a880:2:d0::306:1^{🇺🇸 DIGITALOCEAN2604:a880:2::/48 DigitalOcean}
			PTR	`mx1.forwardemail.net`
		A	2a02:6ea0:d71e::2^{🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6}
			PTR	`mx1.forwardemail.net`
		A	121.127.44.56^{🇺🇸 CDN77121.127.44.0/24 Denver}
			PTR	`mx1.forwardemail.net`
		A	138.197.213.185^{🇺🇸 DIGITALOCEAN138.197.208.0/20 DigitalOcean}
			PTR	`mx1.forwardemail.net`
MX	`mx2.forwardemail.net` ⭐ 🔒
		A	2604:a880:400:d1::cd:9001^{🇺🇸 DIGITALOCEAN2604:a880:400::/48 DigitalOcean}
			PTR	`mx2.forwardemail.net`
		A	2a02:6ea0:d71e::1^{🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6}
			PTR	`mx2.forwardemail.net`
		A	104.248.224.170^{🇺🇸 DIGITALOCEAN104.248.224.0/20 DigitalOcean}
			PTR	`mx2.forwardemail.net`
		A	121.127.44.59^{🇺🇸 CDN77121.127.44.0/24 Denver}
			PTR	`mx2.forwardemail.net`
TXT	`ALIAS for d1cca1nyhhr83r.cloudfront.net`
TXT	`forward-email-site-verification=e94B2KTtMU`
SOA	`ns1.dnsimple.com`admin@dnsimple.com serial=1557508315

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Up

www.developercertificate.com

Same first word

developercertificate.com

developercertificate.org

developercertificate.net

DNS History

31 records (10 active, 21 former)

○NSdns1.registrar-servers.com2017-01-31 → 2018-08-01 · 5 obs

○ 2016-04-04 04:06:04
● 2017-01-31 18:01:32
● 2018-08-01 16:06:02
○ 2026-02-16 01:06:40
○ 2026-02-24 23:47:04

○NSdns2.registrar-servers.com2017-01-31 → 2018-08-01 · 5 obs

○ 2016-04-04 04:06:04
● 2017-01-31 18:01:32
● 2018-08-01 16:06:02
○ 2026-02-16 01:06:40
○ 2026-02-24 23:47:04

●NSns1.dnsimple.com2026-02-16 → 2026-02-24 · 3 obs

○ 2018-08-01 16:06:02
● 2026-02-16 01:06:40
● 2026-02-24 23:47:04

○NSns1.linux-foundation.org2015-06-04 → 2016-04-04 · 4 obs

● 2015-06-04 13:16:56
● 2016-04-04 04:06:04
○ 2017-01-31 18:01:32
○ 2026-02-24 23:47:04

●NSns2.dnsimple-edge.net2026-02-16 → 2026-02-24 · 3 obs

○ 2018-08-01 16:06:02
● 2026-02-16 01:06:40
● 2026-02-24 23:47:04

○NSns2.linux-foundation.org2015-06-04 → 2016-04-04 · 4 obs

● 2015-06-04 13:16:56
● 2016-04-04 04:06:04
○ 2017-01-31 18:01:32
○ 2026-02-24 23:47:04

●NSns3.dnsimple.com2026-02-16 → 2026-02-24 · 3 obs

○ 2018-08-01 16:06:02
● 2026-02-16 01:06:40
● 2026-02-24 23:47:04

●NSns4.dnsimple-edge.org2026-02-16 → 2026-02-24 · 3 obs

○ 2018-08-01 16:06:02
● 2026-02-16 01:06:40
● 2026-02-24 23:47:04

○MXeforward1.registrar-servers.com2017-01-31 → 2017-01-31 · 4 obs

○ 2016-04-04 04:06:04
● 2017-01-31 18:01:32
○ 2018-08-01 16:06:02
○ 2026-02-24 23:47:04

○MXeforward2.registrar-servers.com2017-01-31 → 2017-01-31 · 4 obs

○ 2016-04-04 04:06:04
● 2017-01-31 18:01:32
○ 2018-08-01 16:06:02
○ 2026-02-24 23:47:04

○MXeforward3.registrar-servers.com2017-01-31 → 2017-01-31 · 4 obs

○ 2016-04-04 04:06:04
● 2017-01-31 18:01:32
○ 2018-08-01 16:06:02
○ 2026-02-24 23:47:04

○MXeforward4.registrar-servers.com2017-01-31 → 2017-01-31 · 4 obs

○ 2016-04-04 04:06:04
● 2017-01-31 18:01:32
○ 2018-08-01 16:06:02
○ 2026-02-24 23:47:04

○MXeforward5.registrar-servers.com2017-01-31 → 2017-01-31 · 4 obs

○ 2016-04-04 04:06:04
● 2017-01-31 18:01:32
○ 2018-08-01 16:06:02
○ 2026-02-24 23:47:04

●MXmx1.forwardemail.net2026-02-16 → 2026-02-24 · 3 obs

○ 2018-08-01 16:06:02
● 2026-02-16 01:06:40
● 2026-02-24 23:47:04

●MXmx2.forwardemail.net2026-02-16 → 2026-02-24 · 3 obs

○ 2018-08-01 16:06:02
● 2026-02-16 01:06:40
● 2026-02-24 23:47:04

○MXsmtp1.linuxfoundation.org2015-06-04 → 2016-04-04 · 4 obs

● 2015-06-04 13:16:56
● 2016-04-04 04:06:04
○ 2017-01-31 18:01:32
○ 2026-02-24 23:47:04

○MXsmtp2.linuxfoundation.org2015-06-04 → 2016-04-04 · 4 obs

● 2015-06-04 13:16:56
● 2016-04-04 04:06:04
○ 2017-01-31 18:01:32
○ 2026-02-24 23:47:04

○A13.35.78.1172026-02-18 → 2026-02-23 · 14 obs

○ 2026-02-17 05:59:44
● 2026-02-18 02:02:20
● 2026-02-18 05:41:10
○ 2026-02-19 05:15:34
● 2026-02-20 11:21:42
○ 2026-02-20 15:46:44
○ 2026-02-21 08:52:50
● 2026-02-21 14:00:14
● 2026-02-22 15:55:50
○ 2026-02-22 19:42:04
● 2026-02-22 23:48:24
● 2026-02-23 22:43:52
○ 2026-02-24 12:59:12
○ 2026-02-24 23:47:04

○A13.35.78.292026-02-18 → 2026-02-23 · 14 obs

○A13.35.78.612026-02-18 → 2026-02-23 · 14 obs

○A13.35.78.952026-02-18 → 2026-02-23 · 14 obs

○A140.211.169.42015-06-04 → 2017-01-31 · 4 obs

● 2015-06-04 13:16:56
● 2017-01-31 18:01:32
○ 2018-08-01 16:06:02
○ 2026-02-24 23:47:04

○A18.239.18.42026-02-21 → 2026-02-24 · 7 obs

○ 2026-02-20 15:46:44
● 2026-02-21 08:52:50
○ 2026-02-21 14:00:14
○ 2026-02-24 12:59:12
● 2026-02-24 20:50:54
○ 2026-02-24 23:47:00
○ 2026-02-24 23:47:04

○A18.239.18.492026-02-21 → 2026-02-24 · 7 obs

○ 2026-02-20 15:46:44
● 2026-02-21 08:52:50
○ 2026-02-21 14:00:14
○ 2026-02-24 12:59:12
● 2026-02-24 20:50:54
○ 2026-02-24 23:47:00
○ 2026-02-24 23:47:04

○A18.239.18.62026-02-21 → 2026-02-24 · 7 obs

○ 2026-02-20 15:46:44
● 2026-02-21 08:52:50
○ 2026-02-21 14:00:14
○ 2026-02-24 12:59:12
● 2026-02-24 20:50:54
○ 2026-02-24 23:47:00
○ 2026-02-24 23:47:04

○A18.239.18.732026-02-21 → 2026-02-24 · 7 obs

○ 2026-02-20 15:46:44
● 2026-02-21 08:52:50
○ 2026-02-21 14:00:14
○ 2026-02-24 12:59:12
● 2026-02-24 20:50:54
○ 2026-02-24 23:47:00
○ 2026-02-24 23:47:04

●A54.192.100.1132026-02-16 → 2026-02-24 · 17 obs

○ 2018-08-01 16:06:02
● 2026-02-16 01:06:40
● 2026-02-17 05:59:44
○ 2026-02-18 02:02:20
○ 2026-02-18 05:41:10
● 2026-02-19 05:15:34
○ 2026-02-20 11:21:42
● 2026-02-20 15:46:44
○ 2026-02-21 08:52:50
○ 2026-02-22 15:55:50
● 2026-02-22 19:42:04
○ 2026-02-22 23:48:24
○ 2026-02-23 22:43:52
● 2026-02-24 12:59:12
○ 2026-02-24 20:50:54
● 2026-02-24 23:47:00
● 2026-02-24 23:47:04

●A54.192.100.202026-02-16 → 2026-02-24 · 17 obs

●A54.192.100.672026-02-16 → 2026-02-24 · 17 obs

●A54.192.100.692026-02-16 → 2026-02-24 · 17 obs

○CNAMEd1cca1nyhhr83r.cloudfront.net2018-08-01 → 2026-02-17 · 4 obs

● 2018-08-01 16:06:02
● 2026-02-17 05:59:44
○ 2026-02-18 02:02:20
○ 2026-02-24 23:47:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
developercertificate.com	ns1.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org, ns2.dnsimple-edge.net	-

✅ Authoritative Response

Server: 162.159.24.4

NS records: ns1.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org, ns2.dnsimple-edge.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developercertificate.com (unsigned zone)

⏱️ Timing

Total: 340ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`54.192.100.20, 54.192.100.67...`
NS	4	`ns1.dnsimple.com, ns2.dnsimple-edge.net...`
MX	2	`mx1.forwardemail.net (pri: 10), mx2.forwardemail.net (pri: 10)`
TXT	2	`ALIAS for d1cca1nyhhr83r.cloudfront.net, forward-email-site-verification=e94B2KTt`
SOA	1	`ns1.dnsimple.com admin.dnsimple.com`

AI analysis

developercertificate.com is a parent of www.developercertificate.com.

developercertificate.com points to four IP numbers: 54.192.100.20, 54.192.100.67, 54.192.100.69 and 54.192.100.113.

Other host names, for instance ecomkitchen.com, tableskill.com, marketingmindsetmastery.com, lovelifeanarchy.com and server-54-192-100-113.iad2.r.cloudfront.net share IP numbers with developercertificate.com.

developercertificate.com is delegated to four name servers: ns1.dnsimple.com, ns3.dnsimple.com, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.

developercertificate.com at least partially shares name servers with other domains, for instance 252.5.194.in-addr.arpa, fernsehwerbung.tv, stereoatomics.com, noblepursuitsyndrome.org and kinsalerfc.com.

These name servers are commonly used with ns2.dnsimple.com and ns4.dnsimple.com.

Host names with two IP numbers:

ns1.dnsimple.com points to: 2400:cb00:2049:1::a29f:1804 and 162.159.24.4.

ns3.dnsimple.com points to: 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4.

ns2.dnsimple-edge.net points to: 2620:111:8005::53 and 199.247.153.53.

ns4.dnsimple-edge.org points to: 2620:111:8007::53 and 199.247.155.53.

developercertificate.com is handled by two mail servers: mx1.forwardemail.net and mx2.forwardemail.net.

developercertificate.com uses the same mail server configuration as other domains, such as ballardnewstribune.com, promarket.nl, radiorepo.io, pukkeltje.nl and estuarydc.com.

developercertificate.com shares mail servers with other domains at least in part, for instance lifeofchance.com, konome.com, andament.com, esharetrade.com and buatmahar.eu.org.

Host names with four IP numbers:

mx1.forwardemail.net points to 2604:a880:2:d0::306:1, 2a02:6ea0:d71e::2, 121.127.44.56 and 138.197.213.185

mx2.forwardemail.net points to 2604:a880:400:d1::cd:9001, 2a02:6ea0:d71e::1, 104.248.224.170 and 121.127.44.59

developercertificate.com - robtex.com