crdoors.com - robtex.com
crdoors.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 40.70.229.79🇺🇸 Microsoft40.68.0.0/14 | ||||||
| PTR | m3-az-cpan201.srvr.media3.us | ||||||
| NS | m3-az-ns1 ⭐ ⚠️ Not in parent delegation | ||||||
| NS | m3-az-ns2 ⚠️ Not in parent delegation | ||||||
| NS | ns.media3.net ⚠️ Not in zone NS records | ||||||
| A | 135.237.233.150🇺🇸 Microsoft135.236.0.0/15 | ||||||
| NS | ns2.media3.net ⚠️ Not in zone NS records | ||||||
| A | 13.86.105.98🇺🇸 Microsoft13.64.0.0/11 MICROSOFT | ||||||
| MX | m3-az-mx201.srvr.media3.us ⭐ | ||||||
| A | 52.179.234.59🇺🇸 Microsoft52.160.0.0/11 MICROSOFT | ||||||
| PTR | m3-az-mx201.srvr.media3.us | ||||||
| TXT | v=spf1 a mx include:spf.media3.us ~all | ||||||
| SOA | m3-az-ns1hostmaster serial=16 | ||||||
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.netnstld@verisign-grs.com serial=1774636922 | ||||||
Subdomains
mail.crdoors.com |
Same first word
crdoors.com |
Similar names
DNS History
13 records (6 active, 7 former)
●NSm3-az-ns12026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 18:44:16
●NSm3-az-ns22026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 18:44:16
●NSns.media3.net2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 18:44:16
○NSns1.lnhi.net2007-10-29 → 2018-09-06 · 3 obs
● 2018-09-06 17:02:28
○ 2026-03-27 18:44:16
○NSns2.lnhi.net2007-10-29 → 2018-09-06 · 3 obs
● 2018-09-06 17:02:28
○ 2026-03-27 18:44:16
●NSns2.media3.net2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 18:44:16
○NSns3.lnhi.net2007-10-29 → 2018-09-06 · 3 obs
● 2018-09-06 17:02:28
○ 2026-03-27 18:44:16
●MXm3-az-mx201.srvr.media3.us2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 18:44:16
○MXmail.crdoors.com2007-10-29 → 2018-09-06 · 3 obs
● 2018-09-06 17:02:28
○ 2026-03-27 18:44:16
○A204.12.37.1632018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 17:02:28
○ 2026-03-27 18:44:16
○A204.12.37.1892015-06-26 → 2016-11-29 · 5 obs
● 2015-06-26 05:12:28
● 2016-11-29 04:49:20
○ 2018-09-06 17:02:28
○ 2026-03-27 18:44:16
●A40.70.229.792026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 18:44:16
○A65.36.184.1002007-10-29 → 2007-10-29 · 3 obs
○ 2015-06-26 05:12:28
○ 2026-03-27 18:44:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| crdoors.com | ns.media3.net, ns2.media3.net | - |
✅ Authoritative Response
Server:135.237.233.150
NS records: ns.media3.net, ns2.media3.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for crdoors.com (unsigned zone)
⏱️ Timing
Total: 627ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 40.70.229.79 |
| NS | 2 | m3-az-ns1, m3-az-ns2 |
| MX | 1 | m3-az-mx201.srvr.media3.us (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.media3.us ~all |
| SOA | 1 | m3-az-ns1 hostmaster |
Analysis
Hierarchy
The parent of mail.crdoors.com is crdoors.com.
IP Addresses
crdoors.com points to IP number: 40.70.229.79.
Other host names such as bieber.to, www.midasmassage.com, www.soaringsafety.org, m3-az-cpan201.srvr.media3.us and jlwoodfloor.com share IPs with crdoors.com.
Name Servers
crdoors.com is delegated to four name servers: m3-az-ns1, m3-az-ns2, ns2.media3.net and ns.media3.net.
crdoors.com at least partially shares name servers with other domains, for instance multiventa.net, toyou.com, aislingebray.com, rivertown-inc.com and bostonbatremoval.com.
Host names with a single IP:
ns2.media3.net points to 13.86.105.98.
ns.media3.net points to 135.237.233.150.
Mail Servers
crdoors.com is handled by a single mail server, m3-az-mx201.srvr.media3.us.
The mail server setup for crdoors.com matches that of other domains, for instance intransco.com, garyslaughter.com, arribastick.com, soaringsafety.org and scottyoungpa.com.
crdoors.com shares at least partially some mail servers with other domains, including quantumsafelist.com, incor.com, amedcoedu.com, thepennygroup.com and premchand-group.com.
m3-az-mx201.srvr.media3.us points to a single IP: 52.179.234.59.