efficientfrontier.com - dns.ninja
efficientfrontier.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.175.58.9🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | hostedc38.carrierzone.com | ||||||
| NS | dns1.earthlink.net ⭐ | ||||||
| A | 64.29.149.110🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | dns1.earthlink.net | ||||||
| NS | dns2.earthlink.net | ||||||
| A | 64.29.153.110🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | dns2.earthlink.net | ||||||
| NS | dns3.earthlink.net | ||||||
| A | 216.251.37.110🇨🇦 INFB216.251.32.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | dns3.earthlink.net | ||||||
| MX | mx1c38.carrierzone.com ⭐ | ||||||
| A | 66.175.58.41🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx1c38.carrierzone.com | ||||||
| MX | mx2c38.carrierzone.com(100) | ||||||
| A | 66.175.58.42🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx2c38.carrierzone.com | ||||||
| TXT | v=spf1 include:spfc38.carrierzone.com ~all | ||||||
| SOA | dns1.earthlink.nethostmaster@earthlink.net 2024-11-04 #5 | ||||||
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=1781674380 | ||||||
rank #189156 in the tld
WOT: SAFE (70/100)
Subdomains
www.efficientfrontier.com |
Same first word
efficientfrontier.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSdns1.earthlink.net2015-08-23 → 2026-06-17 · 2 obs
● 2026-06-17 05:38:10
●NSdns2.earthlink.net2015-08-23 → 2026-06-17 · 2 obs
● 2026-06-17 05:38:10
●NSdns3.earthlink.net2015-08-23 → 2026-06-17 · 2 obs
● 2026-06-17 05:38:10
●MXmx1c38.carrierzone.com2015-08-23 → 2026-06-17 · 2 obs
● 2026-06-17 05:38:10
●MXmx2c38.carrierzone.com2015-08-23 → 2026-06-17 · 2 obs
● 2026-06-17 05:38:10
●A66.175.58.92015-08-23 → 2026-06-17 · 2 obs
● 2026-06-17 05:38:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| efficientfrontier.com | dns3.earthlink.net, dns1.earthlink.net, dns2.earthlink.net | - |
✅ Authoritative Response
Server:64.29.153.110
NS records: dns3.earthlink.net, dns1.earthlink.net, dns2.earthlink.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for efficientfrontier.com (unsigned zone)
⏱️ Timing
Total: 540ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.175.58.9 |
| NS | 3 | dns2.earthlink.net, dns1.earthlink.net... |
| MX | 2 | mx1c38.carrierzone.com (pri: 10), mx2c38.carrierzone.com (pri: 100) |
| TXT | 1 | v=spf1 include:spfc38.carrierzone.com ~a |
| SOA | 1 | dns1.earthlink.net hostmaster.earthlink. |
Analysis
Hierarchy
The domain www.efficientfrontier.com falls under the parent efficientfrontier.com.
IP Addresses
efficientfrontier.com resolves to one IP address: 66.175.58.9.
systemarchitechs.com, lawkram.com, ustab.com and two other host names share IP numbers with efficientfrontier.com.
Name Servers
The authoritative name servers for efficientfrontier.com are dns1.earthlink.net, dns2.earthlink.net and dns3.earthlink.net — three in total.
At least some of efficientfrontier.com's name servers are shared with other domains, for example xiguacan.com, c-o-r.org, dudacable.com and two more.
These name servers tend to co-occur with ns1.carrierzone.com, ns2.carrierzone.com, ns3.carrierzone.com and 3 other name servers in the same DNS delegations.
The hostnames dns1.earthlink.net, dns2.earthlink.net and dns3.earthlink.net each resolve to a single IP: dns1.earthlink.net → 64.29.149.110, dns2.earthlink.net → 64.29.153.110, dns3.earthlink.net → 216.251.37.110.
Mail Servers
Mail for efficientfrontier.com is handled by two mail servers — mx1c38.carrierzone.com and mx2c38.carrierzone.com.
efficientfrontier.com uses an identical mail server configuration to several other domains — among them rf-tp.com, samfg.com, genogram.org and two more.
efficientfrontier.com has at least partial mail server overlap with other domains such as tklein.com, lisafry.com, consignitonline.com and two more.
It is common to find these mail servers used together with the mail servers mx3c38.carrierzone.com and mx4c38.carrierzone.com.
Each of mx1c38.carrierzone.com and mx2c38.carrierzone.com has one IP address: mx1c38.carrierzone.com uses 66.175.58.41 and mx2c38.carrierzone.com uses 66.175.58.42.