execfounder.com - dns.ninja
execfounder.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.233.211.187🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies | ||||||
| PTR | 172-233-211-187.ip.linodeusercontent.com | ||||||
| NS | ns1.blacknightdns.com ⭐ | ||||||
| A | 78.153.203.12🇮🇪 BLACKNIGHT-AS78.153.192.0/19 IE-BLACKNIGHT-NET2-PA | ||||||
| PTR | ns1.blacknightdns.com | ||||||
| NS | ns2.blacknightdns.com | ||||||
| A | 81.17.240.172🇮🇪 BLACKNIGHT-AS81.17.240.0/24 IE-BLACKNIGHT-INFRA | ||||||
| PTR | ns2.blacknightdns.com | ||||||
| NS | ns3.blacknightdns.com | ||||||
| A | 2a00:fea0:dead::beef🇮🇳 GRANSY2a00:fea0::/32 Anycast DNS project | ||||||
| A | 185.28.194.194🇨🇿 GRANSY185.28.194.0/24 Network of Gransy s.r.o. | ||||||
| PTR | ns2.anycastdns.cz | ||||||
| NS | ns4.blacknightdns.com | ||||||
| A | 185.38.108.108🇨🇿 GRANSY185.38.108.0/24 Anycast DNS project | ||||||
| PTR | ns1.anycastdns.cz | ||||||
| SOA | ns1.blacknightdns.comhostmaster@execfounder.com 2026-08-20 #7 | ||||||
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=1788469520 | ||||||
Same first word
execfounder.com |
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSns1.blacknightdns.com2026-08-30 → 2026-09-03 · 2 obs
● 2026-09-03 21:12:42
●NSns2.blacknightdns.com2026-08-30 → 2026-09-03 · 2 obs
● 2026-09-03 21:12:42
●NSns3.blacknightdns.com2026-08-30 → 2026-09-03 · 2 obs
● 2026-09-03 21:12:42
●NSns4.blacknightdns.com2026-08-30 → 2026-09-03 · 2 obs
● 2026-09-03 21:12:42
●A172.233.211.1872026-08-30 → 2026-09-03 · 2 obs
● 2026-09-03 21:12:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| execfounder.com | ns1.blacknightdns.com, ns2.blacknightdns.com, ns3.blacknightdns.com, ns4.blacknightdns.com | 5 records |
✅ Authoritative Response
Server:78.153.203.12
NS records: ns1.blacknightdns.com, ns2.blacknightdns.com, ns3.blacknightdns.com, ns4.blacknightdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for execfounder.com (unsigned zone)
⏱️ Timing
Total: 758ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.233.211.187 |
| NS | 4 | ns2.blacknightdns.com, ns1.blacknightdns.com... |
| SOA | 1 | ns1.blacknightdns.com hostmaster.execfou |
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (ns1.blacknightdns.com, ns2.blacknightdns.com, ns3.blacknightdns.com...)
Analysis
IP Addresses
execfounder.com resolves to just one IP address, 172.233.211.187.
Two other host names, along with mik.ie, servicewise.ie and brmark.ie, also share IP numbers with execfounder.com.
Name Servers
The NS records for execfounder.com point to four name servers: ns1.blacknightdns.com, ns2.blacknightdns.com, ns3.blacknightdns.com and ns4.blacknightdns.com.
The name servers of execfounder.com overlap at least partially with those of other domains — among them findingmylight.ie, expansion-beyond.ie, rsccaritas.org and two more.
Host names that have two IP addresses:
ns3.blacknightdns.com has two IP addresses: 185.28.194.194 and 2a00:fea0:dead::beef.
Host names that point to one IP address:
ns1.blacknightdns.com directs to 78.153.203.12.
ns2.blacknightdns.com directs to 81.17.240.172.
ns4.blacknightdns.com directs to 185.38.108.108.