optimumcrew.com - robtex.com
optimumcrew.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:1856🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:da15🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.24.86Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.218.21🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alfred.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c83🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c383🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2383🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 108.162.195.131🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 162.159.44.131Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 172.64.35.131🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| NS | jen.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26b9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jen.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2b9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jen.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22b9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jen.ns.cloudflare.com | ||||||
| A | 108.162.194.185🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jen.ns.cloudflare.com | ||||||
| A | 162.159.38.185Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jen.ns.cloudflare.com | ||||||
| A | 172.64.34.185🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jen.ns.cloudflare.com | ||||||
| MX | optimumcrew-com.mail.protection.outlook.com ⭐ | ||||||
| TXT | MS=ms84038985 | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.24.86, 172.67.218.21 | ||||||
| IPv6 | 2606:4700:3033::6815:1856, 2606:4700:3034::ac43:da15 | ||||||
| SOA | alfred.ns.cloudflare.comdns@cloudflare.com serial=2396420603 | ||||||
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=1771291435 | ||||||
Same first word
optimumcrew.com |
Similar names
DNS History
7 records (7 active, 0 former)
●NSalfred.ns.cloudflare.com2026-02-21 → 2026-03-22 · 2 obs
● 2026-03-22 18:57:14
●NSjen.ns.cloudflare.com2026-02-21 → 2026-03-22 · 2 obs
● 2026-03-22 18:57:14
●MXoptimumcrew-com.mail.protection.outlook.com2026-02-21 → 2026-03-22 · 2 obs
● 2026-03-22 18:57:14
●A104.21.24.862026-02-21 → 2026-03-22 · 2 obs
● 2026-03-22 18:57:14
●A172.67.218.212026-02-21 → 2026-03-22 · 2 obs
● 2026-03-22 18:57:14
●A2606:4700:3033::6815:18562026-02-21 → 2026-03-22 · 2 obs
● 2026-03-22 18:57:14
●A2606:4700:3034::ac43:da152026-02-21 → 2026-03-22 · 2 obs
● 2026-03-22 18:57:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net... | - |
| optimumcrew.com | jen.ns.cloudflare.com, alfred.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.194.185
NS records: jen.ns.cloudflare.com, alfred.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimumcrew.com (unsigned zone)
⏱️ Timing
Total: 170ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.24.86, 172.67.218.21 |
| AAAA | 2 | 2606:4700:3034::ac43:da15, 2606:4700:3033::6815:1856 |
| NS | 2 | alfred.ns.cloudflare.com, jen.ns.cloudflare.com |
| MX | 1 | optimumcrew-com.mail.protection.outlook. |
| TXT | 2 | MS=ms84038985, v=spf1 include:spf.protection.outlook.co |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alfred.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (jen.ns.cloudflare.com, jen.ns.cloudflare.com, jen.ns.cloudflare.com...)
Analysis
IP Addresses
optimumcrew.com points to four IP numbers: 2606:4700:3033::6815:1856, 2606:4700:3034::ac43:da15, 104.21.24.86 and 172.67.218.21.
Other host names, for instance hong-kong-star.co.uk, uormo.com, finvest.com, d7982beeda70.mobilesoftint.com and mx1.inkriblito.com share IP numbers with optimumcrew.com.
Name Servers
optimumcrew.com is delegated to two name servers: alfred.ns.cloudflare.com and jen.ns.cloudflare.com.
optimumcrew.com uses the same name server setup as other domains, for instance sgs4business.com, softengi.ua, arcanecoast.ru, softengi.com and softline.ua.
optimumcrew.com shares name servers with other domains at least partially, for instance aghulera.com, thomasscott.in, earnelicc-cxopad.xyz, netora4.com and tvoi-zvuk.ru.
these name servers are commonly used together with rayden.ns.cloudflare.com and sergi.ns.cloudflare.com.
Host names with six IP numbers: alfred.ns.cloudflare.com points to 2606:4700:58::a29f:2c83, 2803:f800:50::6ca2:c383, 2a06:98c1:50::ac40:2383, 108.162.195.131, 162.159.44.131 and 172.64.35.131; jen.ns.cloudflare.com points to 2606:4700:50::a29f:26b9, 2803:f800:50::6ca2:c2b9, 2a06:98c1:50::ac40:22b9, 108.162.194.185, 162.159.38.185 and 172.64.34.185.
Mail Servers
The mail server for optimumcrew.com is optimumcrew-com.mail.protection.outlook.com.