cortsim.com - dns.ninja
cortsim.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.243.5🇺🇸 Amazon13.248.240.0/20 | ||||||
| PTR | a16e665f42988324c.awsglobalaccelerator.com | ||||||
| A | 76.223.105.230🇺🇸 Amazon76.223.96.0/20 | ||||||
| NS | ns17.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21c0::9🇺🇸 GODADDY-DNS2603:5:21c0::/44 | ||||||
| PTR | ns17.domaincontrol.com | ||||||
| A | 97.74.108.9🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns17.domaincontrol.com | ||||||
| NS | ns18.domaincontrol.com | ||||||
| A | 2603:5:22c0::9🇺🇸 GODADDY-DNS2603:5:22c0::/44 | ||||||
| PTR | ns18.domaincontrol.com | ||||||
| A | 173.201.76.9🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns18.domaincontrol.com | ||||||
| MX | db1.countermail.com ⭐ | ||||||
| A | 5.226.34.35🇸🇪 ADMINOR5.226.32.0/21 Adminor Aktiebolag | ||||||
| PTR | db1.countermail.com | ||||||
| TXT | v=spf1 include:_spf.countermail.com mx ~all | ||||||
| SOA | ns17.domaincontrol.comdns@jomax.net 2025-03-09 #0 | ||||||
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=1784059747 | ||||||
Same first word
cortsim.com |
Similar names
DNS History
13 records (5 active, 8 former)
●NSns17.domaincontrol.com2018-05-09 → 2026-07-14 · 2 obs
● 2026-07-14 20:28:02
●NSns18.domaincontrol.com2018-05-09 → 2026-07-14 · 2 obs
● 2026-07-14 20:28:02
●MXdb1.countermail.com2026-02-23 → 2026-07-14 · 2 obs
● 2026-07-14 20:28:02
●A13.248.243.52026-02-23 → 2026-07-14 · 3 obs
● 2026-02-23 06:53:02
● 2026-07-14 20:28:02
○A184.168.221.342018-05-09 → 2018-05-09 · 3 obs
○ 2026-02-23 06:53:02
○ 2026-07-14 20:28:02
○A184.168.221.422018-05-09 → 2018-05-09 · 3 obs
○ 2026-02-23 06:53:02
○ 2026-07-14 20:28:02
○A184.168.221.552018-05-09 → 2018-05-09 · 3 obs
○ 2026-02-23 06:53:02
○ 2026-07-14 20:28:02
○A184.168.221.592018-05-09 → 2018-05-09 · 3 obs
○ 2026-02-23 06:53:02
○ 2026-07-14 20:28:02
○A50.63.202.422018-05-09 → 2018-05-09 · 3 obs
○ 2026-02-23 06:53:02
○ 2026-07-14 20:28:02
○A50.63.202.512018-05-09 → 2018-05-09 · 3 obs
○ 2026-02-23 06:53:02
○ 2026-07-14 20:28:02
○A50.63.202.552018-05-09 → 2018-05-09 · 3 obs
○ 2026-02-23 06:53:02
○ 2026-07-14 20:28:02
○A50.63.202.622018-05-09 → 2018-05-09 · 3 obs
○ 2026-02-23 06:53:02
○ 2026-07-14 20:28:02
●A76.223.105.2302026-02-23 → 2026-07-14 · 3 obs
● 2026-02-23 06:53:02
● 2026-07-14 20:28:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| cortsim.com | ns17.domaincontrol.com, ns18.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.108.9
NS records: ns17.domaincontrol.com, ns18.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortsim.com (unsigned zone)
⏱️ Timing
Total: 261ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns17.domaincontrol.com, ns18.domaincontrol.com |
| MX | 1 | db1.countermail.com (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.countermail.com mx ~ |
| SOA | 1 | ns17.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns17.domaincontrol.com, ns17.domaincontrol.com, ns18.domaincontrol.com...)
Analysis
IP Addresses
cortsim.com directs to two IP numbers, 13.248.243.5 and 76.223.105.230
Additional host names — cpmediainc.com, savannahlawcenter.com, magangster.com and two others — share IP numbers with cortsim.com.
Name Servers
cortsim.com is served by two delegated name servers, ns17.domaincontrol.com and ns18.domaincontrol.com.
cortsim.com shares its name server setup with other domains, including back2businessllc.com, vietnamcookingtours.com, internationalpublicworks.com and two others.
Each of the two host names carries two IP addresses: ns17.domaincontrol.com points to 97.74.108.9 and 2603:5:21c0::9, and ns18.domaincontrol.com points to 173.201.76.9 and 2603:5:22c0::9.
Mail Servers
cortsim.com has one mail server: db1.countermail.com.
cortsim.com shares the same mail server setup as other domains, including molni.net, engelarc.com, gsmail.net and two others.
cortsim.com shares at least some of its mail servers with other domains, such as hcsv.co.uk and enciphermail.com.
There is one IP number for db1.countermail.com: 5.226.34.35.