crefm.com - dns.ninja
crefm.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.147.238.51🇺🇸 DOTBLOCKCP66.147.224.0/20 IPv4 | ||||||
| PTR | dirapp68.directorysecure.com | ||||||
| NS | ns1.directorysecure.com ⭐ | ||||||
| A | 72.14.188.183🇺🇸 AKAMAI-LINODE-AP72.14.176.0/20 Akamai Technologies | ||||||
| PTR | 72-14-188-183.ip.linodeusercontent.com | ||||||
| NS | ns2.directorysecure.com | ||||||
| A | 172.104.212.124🇺🇸 AKAMAI-LINODE-AP172.104.208.0/20 Akamai Technologies | ||||||
| PTR | 172-104-212-124.ip.linodeusercontent.com | ||||||
| MX | crefm.com ⭐ | ||||||
| A | 66.147.238.51🇺🇸 DOTBLOCKCP66.147.224.0/20 IPv4 | ||||||
| PTR | dirapp68.directorysecure.com | ||||||
| TXT | v=spf1 ip4:66.147.238.51 +a +mx +ip4:184.173.106.59 include:sendgrid.net ~all | ||||||
| SOA | ns1.directorysecure.comsysadmin@got-management.com 2026-08-07 #3 | ||||||
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=1786286394 | ||||||
MX for
crefm.com |
Same first word
crefm.com |
Similar names
DNS History
14 records (4 active, 10 former)
●NSns1.directorysecure.com2015-11-26 → 2026-08-09 · 6 obs
● 2015-11-26 07:18:56
● 2016-07-17 09:29:14
○ 2017-04-03 14:36:42
● 2026-05-29 14:15:10
● 2026-08-09 14:51:04
●NSns2.directorysecure.com2015-11-26 → 2026-08-09 · 6 obs
● 2015-11-26 07:18:56
● 2016-07-17 09:29:14
○ 2017-04-03 14:36:42
● 2026-05-29 14:15:10
● 2026-08-09 14:51:04
○NSns39.domaincontrol.com2015-07-17 → 2015-07-17 · 3 obs
○ 2015-11-26 07:18:56
○ 2026-08-09 14:51:04
○NSns40.domaincontrol.com2015-07-17 → 2015-07-17 · 3 obs
○ 2015-11-26 07:18:56
○ 2026-08-09 14:51:04
○NSns47.domaincontrol.com2017-04-03 → 2017-04-03 · 4 obs
● 2017-04-03 14:36:42
○ 2026-05-29 14:15:10
○ 2026-08-09 14:51:04
○NSns48.domaincontrol.com2017-04-03 → 2017-04-03 · 4 obs
● 2017-04-03 14:36:42
○ 2026-05-29 14:15:10
○ 2026-08-09 14:51:04
●MXcrefm.com2015-11-26 → 2026-08-09 · 6 obs
● 2015-11-26 07:18:56
● 2016-07-17 09:29:14
○ 2017-04-03 14:36:42
● 2026-05-29 14:15:10
● 2026-08-09 14:51:04
○MXmailstore1.secureserver.net2015-07-17 → 2017-04-03 · 6 obs
○ 2015-11-26 07:18:56
○ 2016-07-17 09:29:14
● 2017-04-03 14:36:42
○ 2026-05-29 14:15:10
○ 2026-08-09 14:51:04
○MXsmtp.secureserver.net2015-07-17 → 2017-04-03 · 6 obs
○ 2015-11-26 07:18:56
○ 2016-07-17 09:29:14
● 2017-04-03 14:36:42
○ 2026-05-29 14:15:10
○ 2026-08-09 14:51:04
○A174.129.25.1702017-04-03 → 2017-04-03 · 4 obs
● 2017-04-03 14:36:42
○ 2026-05-29 14:15:10
○ 2026-08-09 14:51:04
○A184.173.106.592015-11-26 → 2016-07-17 · 5 obs
● 2015-11-26 07:18:56
● 2016-07-17 09:29:14
○ 2017-04-03 14:36:42
○ 2026-08-09 14:51:04
○A54.84.128.1772015-07-17 → 2015-07-17 · 3 obs
○ 2015-11-26 07:18:56
○ 2026-08-09 14:51:04
○A66.147.236.1622026-05-29 → 2026-05-29 · 3 obs
● 2026-05-29 14:15:10
○ 2026-08-09 14:51:04
●A66.147.238.512026-08-09 → 2026-08-09 · 2 obs
● 2026-08-09 14:51:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| crefm.com | ns1.directorysecure.com, ns2.directorysecure.com | 2 records |
✅ Authoritative Response
Server:72.14.188.183
NS records: ns1.directorysecure.com, ns2.directorysecure.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for crefm.com (unsigned zone)
⏱️ Timing
Total: 238ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.147.238.51 |
| NS | 2 | ns2.directorysecure.com, ns1.directorysecure.com |
| MX | 1 | crefm.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:66.147.238.51 +a +mx +ip4:184 |
| SOA | 1 | ns1.directorysecure.com sysadmin.got-man |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.directorysecure.com, ns2.directorysecure.com)
Analysis
Mail Server Role
The MX record for crefm.com points back to crefm.com — it is its own mail server.
IP Addresses
crefm.com directs to one IP number, which is 66.147.238.51.
Among the host names that share IP numbers with crefm.com are mediajobsreport.com, tribute.agency, connectionsdirectory.com and two others.
Name Servers
Two name servers handle the delegation for crefm.com: ns1.directorysecure.com and ns2.directorysecure.com.
crefm.com has the same name server delegation as a number of other domains, such as get-uk-jobs.com, aquanet.com, mikelocal.com and two more.
crefm.com is at least partially co-delegated on name servers with other domains, such as managemydirectory.com.
ns1.directorysecure.com directs to 72.14.188.183 and ns2.directorysecure.com directs to 172.104.212.124; each host name points to exactly one IP number.
Mail Servers
The MX record for crefm.com points to a single mail server: crefm.com.
crefm.com carries a single IP number, which is 66.147.238.51.