recursiveoptimization.com - robtex.com
recursiveoptimization.com
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=1791292454 | ||||||
Same first word
recursiveoptimization.com |
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns1.parkingcrew.net2026-09-01 → 2026-10-06 · 2 obs
● 2026-10-06 13:23:30
●NSns2.parkingcrew.net2026-09-01 → 2026-10-06 · 2 obs
● 2026-10-06 13:23:30
●MXmail.h-email.net2026-10-06 → 2026-10-06 · 2 obs
● 2026-10-06 13:23:30
●A104.247.81.992026-09-01 → 2026-10-06 · 2 obs
● 2026-10-06 13:23:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net, a.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: 442ms | 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 has exactly one IP address — 104.247.81.99.
sprzetfitness.pl, undefined.webmail.magnesita.com.br, crossfitdefined.com plus two other host names have IP numbers in common with recursiveoptimization.com.
Name Servers
recursiveoptimization.com is served by two delegated name servers, ns1.parkingcrew.net and ns2.parkingcrew.net.
The name server configuration of recursiveoptimization.com is shared with other domains, for instance 3dtgp.com, ukcasinos.com, www.dstv.cm and two others.
recursiveoptimization.com partially shares its NS delegation with several other domains, including *.flechs.de, static-104.127.96.14-tataidc.co.in, 115.106.216.static-hyderabad.tcl.net.in and two others.
ns1.parkingcrew.net resolves to 13.248.158.159. ns2.parkingcrew.net resolves to 76.223.21.9. Both host names point to a single IP number.
Mail Servers
recursiveoptimization.com uses one mail server — mail.h-email.net.
The mail server setup of recursiveoptimization.com matches that of other domains such as dkh.co.za, gastriculcers.com, personalinjurylawyerstoronto.ca and two others.
mail.h-email.net has 10 IP addresses: 5.75.171.74, 5.161.98.212, 5.161.194.135 plus 7 more.