nullmx.cdoor.com - robtex.com

nullmx.cdoor.com

DNSSEC⚠️ Not signed
A15.222.56.85🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix
PTRec2-15-222-56-85.ca-central-1.compute.amazonaws.com
A15.222.165.250🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix
NSip-172-26-1-146.us-east-2.compute.internal ⭐
NSns1.power-dns.com ⚠️ Not in parent delegation
A13.58.50.225🇺🇸 Amazon13.58.0.0/15 EC2 CMH prefix
PTRec2-13-58-50-225.us-east-2.compute.amazonaws.com
NSns2.power-dns.com ⚠️ Not in parent delegation
A188.166.142.159🇳🇱 DIGITALOCEAN188.166.140.0/22 DigitalOcean
NSns3.power-dns.com ⚠️ Not in parent delegation
A139.59.220.175🇸🇬 DIGITALOCEAN139.59.220.0/22 DigitalOcean
MXmx1.ewebdevelopment.com ⭐
A159.203.54.48🇨🇦 DIGITALOCEAN159.203.52.0/22 DigitalOcean
MXmx2.ewebdevelopment.com(5)
A188.166.142.73🇳🇱 DIGITALOCEAN188.166.140.0/22 DigitalOcean
TXT91f786e2661531d62a5e4bf8dc941c30c7391ed6
TXTv=spf1 include:u2069692.wl.sendgrid.net -all
TXTafternic-verification-VKoxaZkQawZ8VVht35n43c
TXT934c3bfaa10e7d053ed251a82e3f4a82d19da885
SOAip-172-26-1-146.us-east-2.compute.internalhostmaster@power-dns.com 2025-01-15 #1

cdoor.com

DNSSEC⚠️ Not signed
A15.222.56.85🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix
A15.222.165.250🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix
NSip-172-26-1-146.us-east-2.compute.internal ⭐
NSns1.power-dns.com
NSns2.power-dns.com
NSns3.power-dns.com
MXmx1.ewebdevelopment.com ⭐
MXmx2.ewebdevelopment.com(5)
TXTv=spf1 include:u2069692.wl.sendgrid.net -all
TXTafternic-verification-VKoxaZkQawZ8VVht35n43c
TXT91f786e2661531d62a5e4bf8dc941c30c7391ed6
TXT934c3bfaa10e7d053ed251a82e3f4a82d19da885
SOAip-172-26-1-146.us-east-2.compute.internalhostmaster@power-dns.com 2025-01-15 #1

Previously MX for

cdoor.com

Same first word

nullmx.net
nullmx.org
nullmx.com

Similar names

mlnxul.com

DNS History

12 records (8 active, 4 former)

20162017201820192020202120222023202420252026NSip-172-26-1-146.us-east-2.compute.internalns1.power-dns.comns2.power-dns.comns3.power-dns.comsingapore.power-dns.comMXmx1.ewebdevelopment.commx2.ewebdevelopment.commail.dovemail.comA15.222.165.25015.222.56.85174.36.107.130174.37.172.162
●NSip-172-26-1-146.us-east-2.compute.internal2026-04-05 → 2026-04-05 · 2 obs
○ 2026-04-04 19:03:14
● 2026-04-05 11:24:32
●NSns1.power-dns.com2015-06-04 → 2026-04-05 · 5 obs
● 2015-06-04 01:25:12
● 2015-12-22 02:48:40
○ 2016-04-02 21:40:54
● 2016-09-12 18:08:14
● 2026-04-05 11:24:32
●NSns2.power-dns.com2015-06-04 → 2026-04-05 · 5 obs
● 2015-06-04 01:25:12
○ 2015-10-20 15:42:44
○ 2015-12-22 02:48:40
● 2016-04-02 21:40:54
● 2026-04-05 11:24:32
●NSns3.power-dns.com2026-04-04 → 2026-04-05 · 3 obs
○ 2016-09-12 18:08:14
● 2026-04-04 19:03:14
● 2026-04-05 11:24:32
○NSsingapore.power-dns.com2026-04-04 → 2026-04-04 · 3 obs
○ 2016-09-12 18:08:14
● 2026-04-04 19:03:14
○ 2026-04-05 11:24:32
○MXmail.dovemail.com2015-06-04 → 2016-09-12 · 4 obs
● 2015-06-04 01:25:12
● 2016-09-12 18:08:14
○ 2026-04-04 19:03:14
○ 2026-04-05 11:24:32
●MXmx1.ewebdevelopment.com2026-04-04 → 2026-04-05 · 3 obs
○ 2016-09-12 18:08:14
● 2026-04-04 19:03:14
● 2026-04-05 11:24:32
●MXmx2.ewebdevelopment.com2026-04-04 → 2026-04-05 · 3 obs
○ 2016-09-12 18:08:14
● 2026-04-04 19:03:14
● 2026-04-05 11:24:32
●A15.222.165.2502026-04-04 → 2026-04-05 · 3 obs
○ 2016-09-12 18:08:14
● 2026-04-04 19:03:14
● 2026-04-05 11:24:32
●A15.222.56.852026-04-04 → 2026-04-05 · 3 obs
○ 2016-09-12 18:08:14
● 2026-04-04 19:03:14
● 2026-04-05 11:24:32
○A174.36.107.1302015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 01:25:12
○ 2015-10-20 15:42:44
○ 2026-04-05 11:24:32
○A174.37.172.1622015-06-04 → 2016-09-12 · 4 obs
● 2015-06-04 01:25:12
● 2016-09-12 18:08:14
○ 2026-04-04 19:03:14
○ 2026-04-05 11:24:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...-
cdoor.comns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com3 records

✅ Authoritative Response

Server:13.58.50.225

NS records: ns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdoor.com (unsigned zone)

⏱️ Timing

Total: 918ms | Queries: -

📄 Records

TypeCountSample Data
A215.222.165.250, 15.222.56.85
NS3ns2.power-dns.com, ns3.power-dns.com...
MX2mx1.ewebdevelopment.com (pri: 1), mx2.ewebdevelopment.com (pri: 5)
TXT4934c3bfaa10e7d053ed251a82e3f4a82d19da885, 91f786e2661531d62a5e4bf8dc941c30c7391ed6...
SOA1ip-172-26-1-146.us-east-2.compute.intern

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com)

Analysis

IP Addresses

nullmx.cdoor.com resolves to two IP numbers: 15.222.56.85 and 15.222.165.250.

Other host names, for instance emigrato.com, parento.com, maldar.com, hanado.com and e-sv.com share IP numbers with nullmx.cdoor.com.

Name Servers

nullmx.cdoor.com's delegation is handled by four name servers: ns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com and ip-172-26-1-146.us-east-2.compute.internal.

nullmx.cdoor.com partially shares name servers with other domains; examples include kiuno.com, atmanyoga.com, bradarnold.com, aaronbrumfield.com and mail.coluzi.com.

These name servers are often used with the name servers singapore.power-dns.com and amsterdam.power-dns.com.

Host names with one IP number:

Host ns1.power-dns.com points to 13.58.50.225.

Host ns2.power-dns.com points to 188.166.142.159.

Host ns3.power-dns.com points to 139.59.220.175.

Mail Servers

nullmx.cdoor.com is handled by two mail servers: mx1.ewebdevelopment.com and mx2.ewebdevelopment.com.

nullmx.cdoor.com has the same mail server setup as other domains, including i-flat.com, husey.com, nuritel.com, badportal.com and jlkr.com.

Host names with one IP number: The host name mx1.ewebdevelopment.com points to 159.203.54.48 and the host name mx2.ewebdevelopment.com points to 188.166.142.73.