recursiveoptimization.com - dns.ninja
recursiveoptimization.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.247.81.99AS206834104.247.80.0/22 | ||||||
| NS | ns1.parkingcrew.net ⭐ | ||||||
| NS | ns2.parkingcrew.net | ||||||
| MX | mail.h-email.net ⭐ | ||||||
| TXT | v=spf1 ip6:fd1b:212c:a5f9::/48 -all | ||||||
| SOA | ns1.parkingcrew.nethostmaster@recursiveoptimization.com serial=1787921496 | ||||||
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=1792203799 | ||||||
Same first word
recursiveoptimization.com |
DNS History
4 records (4 active, 0 former)
●NSns1.parkingcrew.net2026-09-01 → 2026-10-17 · 2 obs
● 2026-09-01 07:32:30
● 2026-10-17 02:27:16
● 2026-10-17 02:27:16
●NSns2.parkingcrew.net2026-09-01 → 2026-10-17 · 2 obs
● 2026-09-01 07:32:30
● 2026-10-17 02:27:16
● 2026-10-17 02:27:16
●MXmail.h-email.net2026-10-06 → 2026-10-17 · 2 obs
● 2026-10-06 12:41:38
● 2026-10-17 02:27:16
● 2026-10-17 02:27:16
●A104.247.81.992026-09-01 → 2026-10-17 · 2 obs
● 2026-09-01 07:32:30
● 2026-10-17 02:27:16
● 2026-10-17 02:27:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| recursiveoptimization.com | ns1.parkingcrew.net, ns2.parkingcrew.net | - |
✅ Authoritative Response
Server:13.248.158.159
NS records: ns1.parkingcrew.net, ns2.parkingcrew.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for recursiveoptimization.com (unsigned zone)
⏱️ Timing
Total: 443ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.247.81.99 |
| NS | 2 | ns1.parkingcrew.net, ns2.parkingcrew.net |
| MX | 1 | mail.h-email.net (pri: 5) |
| TXT | 1 | v=spf1 ip6:fd1b:212c:a5f9::/48 -all |
| SOA | 1 | ns1.parkingcrew.net hostmaster.recursive |
Analysis
IP Addresses
recursiveoptimization.com resolves to one IP address: 104.247.81.99.
Name Servers
Two name servers handle the delegation for recursiveoptimization.com: ns1.parkingcrew.net and ns2.parkingcrew.net.
Mail Servers
Mail for recursiveoptimization.com is handled by a single mail server, mail.h-email.net.