developercertificate.net - robtex.com

developercertificate.net

DNSSEC⚠️ Not signed
A54.192.100.20🇺🇸 Amazon54.192.100.0/22 CF
PTRserver-54-192-100-20.mci50.r.cloudfront.net
A54.192.100.67🇺🇸 Amazon54.192.100.0/22 CF
A54.192.100.69🇺🇸 Amazon54.192.100.0/22 CF
A54.192.100.113🇺🇸 Amazon54.192.100.0/22 CF
NSns1.dnsimple.com ⭐
A2400:cb00:2049:1::a29f:1804🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
PTRns1.dnsimple.com
A162.159.24.4Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.dnsimple.com
NSns2.dnsimple-edge.net
A2620:111:8005::53🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route
A199.247.153.53🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route
PTRip-199-247-153-53.defastlink.net
NSns3.dnsimple.com
A2400:cb00:2049:1::a29f:1a04🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
PTRns3.dnsimple.com
A162.159.26.4Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.dnsimple.com
NSns4.dnsimple-edge.org
A2620:111:8007::53🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route
A199.247.155.53🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route
PTRip-199-247-155-53.defastlink.net
MXmx1.forwardemail.net ⭐ 🔒
A2604:a880:2:d0::306:1🇺🇸 DIGITALOCEAN2604:a880:2::/48 DigitalOcean
PTRmx1.forwardemail.net
A2a02:6ea0:d71e::2🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6
PTRmx1.forwardemail.net
A121.127.44.56🇺🇸 CDN77121.127.44.0/24 Denver
PTRmx1.forwardemail.net
A138.197.213.185🇺🇸 DIGITALOCEAN138.197.208.0/20 DigitalOcean
PTRmx1.forwardemail.net
MXmx2.forwardemail.net ⭐ 🔒
A2604:a880:400:d1::cd:9001🇺🇸 DIGITALOCEAN2604:a880:400::/48 DigitalOcean
PTRmx2.forwardemail.net
A2a02:6ea0:d71e::1🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6
PTRmx2.forwardemail.net
A104.248.224.170🇺🇸 DIGITALOCEAN104.248.224.0/20 DigitalOcean
PTRmx2.forwardemail.net
A121.127.44.59🇺🇸 CDN77121.127.44.0/24 Denver
PTRmx2.forwardemail.net
TXTALIAS for d1cca1nyhhr83r.cloudfront.net
TXTforward-email-site-verification=oXR6BI9aDY
SOAns1.dnsimple.comadmin@dnsimple.com serial=1557508315

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291465

Up

www.developercertificate.net

Same first word

developercertificate.net
developercertificate.com
developercertificate.org

DNS History

39 records (10 active, 29 former)

20162017201820192020202120222023202420252026NSns1.dnsimple.comns2.dnsimple-edge.netns3.dnsimple.comns4.dnsimple-edge.orgdns1.registrar-servers.comdns2.registrar-servers.comns1.linux-foundation.orgns2.linux-foundation.orgMXmx1.forwardemail.netmx2.forwardemail.neteforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.comsmtp1.linuxfoundation.orgsmtp2.linuxfoundation.orgA54.192.100.11354.192.100.2054.192.100.6754.192.100.6913.35.78.11713.35.78.2913.35.78.6113.35.78.95140.211.169.4162.255.119.20018.155.202.10718.155.202.2518.155.202.4218.155.202.4418.239.18.418.239.18.4918.239.18.618.239.18.733.171.100.1093.171.100.1283.171.100.553.171.100.81
○NSdns1.registrar-servers.com2016-12-30 → 2017-12-26 · 5 obs
○ 2016-04-27 19:18:20
● 2016-12-30 08:50:12
● 2017-12-26 02:35:22
○ 2026-02-18 02:05:10
○ 2026-02-26 09:10:48
○NSdns2.registrar-servers.com2016-12-30 → 2017-12-26 · 5 obs
○ 2016-04-27 19:18:20
● 2016-12-30 08:50:12
● 2017-12-26 02:35:22
○ 2026-02-18 02:05:10
○ 2026-02-26 09:10:48
●NSns1.dnsimple.com2026-02-18 → 2026-02-26 · 3 obs
○ 2017-12-26 02:35:22
● 2026-02-18 02:05:10
● 2026-02-26 09:10:48
○NSns1.linux-foundation.org2015-07-03 → 2016-04-27 · 4 obs
● 2015-07-03 00:28:58
● 2016-04-27 19:18:20
○ 2016-12-30 08:50:12
○ 2026-02-26 09:10:48
●NSns2.dnsimple-edge.net2026-02-18 → 2026-02-26 · 3 obs
○ 2017-12-26 02:35:22
● 2026-02-18 02:05:10
● 2026-02-26 09:10:48
○NSns2.linux-foundation.org2015-07-03 → 2016-04-27 · 4 obs
● 2015-07-03 00:28:58
● 2016-04-27 19:18:20
○ 2016-12-30 08:50:12
○ 2026-02-26 09:10:48
●NSns3.dnsimple.com2026-02-18 → 2026-02-26 · 3 obs
○ 2017-12-26 02:35:22
● 2026-02-18 02:05:10
● 2026-02-26 09:10:48
●NSns4.dnsimple-edge.org2026-02-18 → 2026-02-26 · 3 obs
○ 2017-12-26 02:35:22
● 2026-02-18 02:05:10
● 2026-02-26 09:10:48
○MXeforward1.registrar-servers.com2016-12-30 → 2017-12-26 · 5 obs
○ 2016-04-27 19:18:20
● 2016-12-30 08:50:12
● 2017-12-26 02:35:22
○ 2026-02-18 02:05:10
○ 2026-02-26 09:10:48
○MXeforward2.registrar-servers.com2016-12-30 → 2017-12-26 · 5 obs
○ 2016-04-27 19:18:20
● 2016-12-30 08:50:12
● 2017-12-26 02:35:22
○ 2026-02-18 02:05:10
○ 2026-02-26 09:10:48
○MXeforward3.registrar-servers.com2016-12-30 → 2017-12-26 · 5 obs
○ 2016-04-27 19:18:20
● 2016-12-30 08:50:12
● 2017-12-26 02:35:22
○ 2026-02-18 02:05:10
○ 2026-02-26 09:10:48
○MXeforward4.registrar-servers.com2016-12-30 → 2017-12-26 · 5 obs
○ 2016-04-27 19:18:20
● 2016-12-30 08:50:12
● 2017-12-26 02:35:22
○ 2026-02-18 02:05:10
○ 2026-02-26 09:10:48
○MXeforward5.registrar-servers.com2016-12-30 → 2017-12-26 · 5 obs
○ 2016-04-27 19:18:20
● 2016-12-30 08:50:12
● 2017-12-26 02:35:22
○ 2026-02-18 02:05:10
○ 2026-02-26 09:10:48
●MXmx1.forwardemail.net2026-02-18 → 2026-02-26 · 3 obs
○ 2017-12-26 02:35:22
● 2026-02-18 02:05:10
● 2026-02-26 09:10:48
●MXmx2.forwardemail.net2026-02-18 → 2026-02-26 · 3 obs
○ 2017-12-26 02:35:22
● 2026-02-18 02:05:10
● 2026-02-26 09:10:48
○MXsmtp1.linuxfoundation.org2015-07-03 → 2016-04-27 · 4 obs
● 2015-07-03 00:28:58
● 2016-04-27 19:18:20
○ 2016-12-30 08:50:12
○ 2026-02-26 09:10:48
○MXsmtp2.linuxfoundation.org2015-07-03 → 2016-04-27 · 4 obs
● 2015-07-03 00:28:58
● 2016-04-27 19:18:20
○ 2016-12-30 08:50:12
○ 2026-02-26 09:10:48
○A13.35.78.1172026-02-18 → 2026-02-23 · 9 obs
○ 2017-12-26 02:35:22
● 2026-02-18 02:05:10
○ 2026-02-22 11:51:22
○ 2026-02-22 16:48:56
● 2026-02-22 23:48:24
○ 2026-02-23 10:48:00
● 2026-02-23 22:14:46
○ 2026-02-24 12:59:12
○ 2026-02-26 09:10:48
○A13.35.78.292026-02-18 → 2026-02-23 · 9 obs
○ 2017-12-26 02:35:22
● 2026-02-18 02:05:10
○ 2026-02-22 11:51:22
○ 2026-02-22 16:48:56
● 2026-02-22 23:48:24
○ 2026-02-23 10:48:00
● 2026-02-23 22:14:46
○ 2026-02-24 12:59:12
○ 2026-02-26 09:10:48
○A13.35.78.612026-02-18 → 2026-02-23 · 9 obs
○ 2017-12-26 02:35:22
● 2026-02-18 02:05:10
○ 2026-02-22 11:51:22
○ 2026-02-22 16:48:56
● 2026-02-22 23:48:24
○ 2026-02-23 10:48:00
● 2026-02-23 22:14:46
○ 2026-02-24 12:59:12
○ 2026-02-26 09:10:48
○A13.35.78.952026-02-18 → 2026-02-23 · 9 obs
○ 2017-12-26 02:35:22
● 2026-02-18 02:05:10
○ 2026-02-22 11:51:22
○ 2026-02-22 16:48:56
● 2026-02-22 23:48:24
○ 2026-02-23 10:48:00
● 2026-02-23 22:14:46
○ 2026-02-24 12:59:12
○ 2026-02-26 09:10:48
○A140.211.169.42015-07-03 → 2016-12-30 · 4 obs
● 2015-07-03 00:28:58
● 2016-12-30 08:50:12
○ 2017-12-26 02:35:22
○ 2026-02-26 09:10:48
○A162.255.119.2002017-12-26 → 2017-12-26 · 4 obs
○ 2016-12-30 08:50:12
● 2017-12-26 02:35:22
○ 2026-02-18 02:05:10
○ 2026-02-26 09:10:48
○A18.155.202.1072026-02-18 → 2026-02-26 · 2 obs
○ 2026-02-18 02:05:10
○ 2026-02-26 09:10:48
○A18.155.202.252026-02-18 → 2026-02-26 · 2 obs
○ 2026-02-18 02:05:10
○ 2026-02-26 09:10:48
○A18.155.202.422026-02-18 → 2026-02-26 · 2 obs
○ 2026-02-18 02:05:10
○ 2026-02-26 09:10:48
○A18.155.202.442026-02-18 → 2026-02-26 · 2 obs
○ 2026-02-18 02:05:10
○ 2026-02-26 09:10:48
○A18.239.18.42026-02-22 → 2026-02-25 · 8 obs
○ 2026-02-18 02:05:10
● 2026-02-22 11:51:22
○ 2026-02-22 12:44:02
○ 2026-02-24 12:59:12
● 2026-02-24 20:50:54
● 2026-02-25 12:31:32
○ 2026-02-25 16:01:12
○ 2026-02-26 09:10:48
○A18.239.18.492026-02-22 → 2026-02-25 · 8 obs
○ 2026-02-18 02:05:10
● 2026-02-22 11:51:22
○ 2026-02-22 12:44:02
○ 2026-02-24 12:59:12
● 2026-02-24 20:50:54
● 2026-02-25 12:31:32
○ 2026-02-25 16:01:12
○ 2026-02-26 09:10:48
○A18.239.18.62026-02-22 → 2026-02-25 · 8 obs
○ 2026-02-18 02:05:10
● 2026-02-22 11:51:22
○ 2026-02-22 12:44:02
○ 2026-02-24 12:59:12
● 2026-02-24 20:50:54
● 2026-02-25 12:31:32
○ 2026-02-25 16:01:12
○ 2026-02-26 09:10:48
○A18.239.18.732026-02-22 → 2026-02-25 · 8 obs
○ 2026-02-18 02:05:10
● 2026-02-22 11:51:22
○ 2026-02-22 12:44:02
○ 2026-02-24 12:59:12
● 2026-02-24 20:50:54
● 2026-02-25 12:31:32
○ 2026-02-25 16:01:12
○ 2026-02-26 09:10:48
○A3.171.100.1092026-02-25 → 2026-02-26 · 6 obs
○ 2026-02-25 12:31:32
● 2026-02-25 16:01:12
○ 2026-02-26 02:15:26
● 2026-02-26 02:54:42
○ 2026-02-26 06:08:36
○ 2026-02-26 09:10:48
○A3.171.100.1282026-02-25 → 2026-02-26 · 6 obs
○ 2026-02-25 12:31:32
● 2026-02-25 16:01:12
○ 2026-02-26 02:15:26
● 2026-02-26 02:54:42
○ 2026-02-26 06:08:36
○ 2026-02-26 09:10:48
○A3.171.100.552026-02-25 → 2026-02-26 · 6 obs
○ 2026-02-25 12:31:32
● 2026-02-25 16:01:12
○ 2026-02-26 02:15:26
● 2026-02-26 02:54:42
○ 2026-02-26 06:08:36
○ 2026-02-26 09:10:48
○A3.171.100.812026-02-25 → 2026-02-26 · 6 obs
○ 2026-02-25 12:31:32
● 2026-02-25 16:01:12
○ 2026-02-26 02:15:26
● 2026-02-26 02:54:42
○ 2026-02-26 06:08:36
○ 2026-02-26 09:10:48
●A54.192.100.1132026-02-22 → 2026-02-26 · 13 obs
○ 2026-02-22 11:51:22
● 2026-02-22 12:44:02
● 2026-02-22 16:48:56
○ 2026-02-22 23:48:24
● 2026-02-23 10:48:00
○ 2026-02-23 22:14:46
● 2026-02-24 12:59:12
○ 2026-02-24 20:50:54
○ 2026-02-25 16:01:12
● 2026-02-26 02:15:26
○ 2026-02-26 02:54:42
● 2026-02-26 06:08:36
● 2026-02-26 09:10:48
●A54.192.100.202026-02-22 → 2026-02-26 · 13 obs
○ 2026-02-22 11:51:22
● 2026-02-22 12:44:02
● 2026-02-22 16:48:56
○ 2026-02-22 23:48:24
● 2026-02-23 10:48:00
○ 2026-02-23 22:14:46
● 2026-02-24 12:59:12
○ 2026-02-24 20:50:54
○ 2026-02-25 16:01:12
● 2026-02-26 02:15:26
○ 2026-02-26 02:54:42
● 2026-02-26 06:08:36
● 2026-02-26 09:10:48
●A54.192.100.672026-02-22 → 2026-02-26 · 13 obs
○ 2026-02-22 11:51:22
● 2026-02-22 12:44:02
● 2026-02-22 16:48:56
○ 2026-02-22 23:48:24
● 2026-02-23 10:48:00
○ 2026-02-23 22:14:46
● 2026-02-24 12:59:12
○ 2026-02-24 20:50:54
○ 2026-02-25 16:01:12
● 2026-02-26 02:15:26
○ 2026-02-26 02:54:42
● 2026-02-26 06:08:36
● 2026-02-26 09:10:48
●A54.192.100.692026-02-22 → 2026-02-26 · 13 obs
○ 2026-02-22 11:51:22
● 2026-02-22 12:44:02
● 2026-02-22 16:48:56
○ 2026-02-22 23:48:24
● 2026-02-23 10:48:00
○ 2026-02-23 22:14:46
● 2026-02-24 12:59:12
○ 2026-02-24 20:50:54
○ 2026-02-25 16:01:12
● 2026-02-26 02:15:26
○ 2026-02-26 02:54:42
● 2026-02-26 06:08:36
● 2026-02-26 09:10:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
developercertificate.netns1.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org, ns2.dnsimple-edge.net2 records

✅ 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.net (unsigned zone)

⏱️ Timing

Total: 600ms | Queries: -

📄 Records

TypeCountSample Data
A454.192.100.20, 54.192.100.67...
NS4ns1.dnsimple.com, ns2.dnsimple-edge.net...
MX2mx1.forwardemail.net (pri: 10), mx2.forwardemail.net (pri: 10)
TXT2ALIAS for d1cca1nyhhr83r.cloudfront.net, forward-email-site-verification=oXR6BI9a
SOA1ns1.dnsimple.com admin.dnsimple.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.dnsimple-edge.net, ns2.dnsimple-edge.net)

AI analysis

developercertificate.net is a parent of www.developercertificate.net.

developercertificate.net resolves to four IPs: 54.192.100.20, 54.192.100.67, 54.192.100.69 and 54.192.100.113.

Other host names such as jasonma.org, tableskill.com, marketingmindsetmastery.com, server-54-192-100-113.iad2.r.cloudfront.net and cornerstoneeng.llc share IP numbers with developercertificate.net.

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

At least part of the name servers for developercertificate.net are shared with other domains, for instance wasmbench.com, drasi.io, dbotha.com, smallestdotnet.com and fullbodyscan.com.

These name servers are commonly used alongside 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.net is handled by two mail servers: mx1.forwardemail.net and mx2.forwardemail.net.

developercertificate.net uses the same mail server setup as other domains, for instance casablancachess.com, aust-asiaticmgmt.com, protazoa.com, tegenaanval.nl and ezkell.com.

developercertificate.net shares at least some mail servers with other domains, for example bgonline.rs, mmseagames2013.com, eremix.com, owboostroyal.com and arkrose.com.

Host names with four IPs

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