mail.optimaprep.com - robtex.com
mail.optimaprep.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com ⚠️ Not in parent delegation | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
optimaprep.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| NS | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.afternic.com2026-03-30 → 2026-05-17 · 3 obs
● 2026-03-30 01:50:22
● 2026-05-17 21:38:18
○NSns1.optimaprep.com2015-10-20 → 2016-08-08 · 4 obs
● 2016-08-08 05:09:42
○ 2026-03-30 01:50:22
○ 2026-05-17 21:38:18
●NSns2.afternic.com2026-03-30 → 2026-05-17 · 3 obs
● 2026-03-30 01:50:22
● 2026-05-17 21:38:18
○NSns2.optimaprep.com2015-10-20 → 2016-08-08 · 4 obs
● 2016-08-08 05:09:42
○ 2026-03-30 01:50:22
○ 2026-05-17 21:38:18
○MXoptimaprep.com2015-10-20 → 2016-08-08 · 4 obs
● 2016-08-08 05:09:42
○ 2026-03-30 01:50:22
○ 2026-05-17 21:38:18
○A101.50.3.742015-06-09 → 2016-08-08 · 4 obs
● 2016-08-08 05:09:42
○ 2026-03-30 01:50:22
○ 2026-05-17 21:38:18
●A13.248.169.482026-03-30 → 2026-05-17 · 3 obs
● 2026-03-30 01:50:22
● 2026-05-17 21:38:18
●A76.223.54.1462026-03-30 → 2026-05-17 · 3 obs
● 2026-03-30 01:50:22
● 2026-05-17 21:38:18
○CNAMEoptimaprep.com2015-06-09 → 2016-08-08 · 4 obs
● 2016-08-08 05:09:42
○ 2026-03-30 01:50:22
○ 2026-05-17 21:38:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net... | - |
| optimaprep.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimaprep.com (unsigned zone)
⏱️ Timing
Total: 148ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
IP Addresses
mail.optimaprep.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.
other host names, for instance www.funizen.com, idahoparks.com, hotspotshield.us and 2 other share IP numbers with mail.optimaprep.com.
Name Servers
mail.optimaprep.com is delegated to two name servers, ns1.afternic.com and ns2.afternic.com.
mail.optimaprep.com shares the same name server setup with other domains, for instance ns1.cipromo.com, host10-105.caxt.com, mx.ultimateresource.com and 2 other.
mail.optimaprep.com at least partially shares name servers with other domains, for instance westlab.org, quitsmok.com, skatecaps.com and 2 other.
these name servers are often used together with the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-m3erh32ujyoastvophjvuz.ns101.verify.hn and verification-yqwlayzppiicikkzjkdghq.ns101.verify.hn.
The host names ns1.afternic.com, ns2.afternic.com each point to two IP numbers: ns1.afternic.com points to 97.74.98.69 and 2603:5:2126::45. ns2.afternic.com points to 173.201.66.69 and 2603:5:2226::45.