post-harvard.com - robtex.com
post-harvard.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.130.190🇺🇸 Amazon3.33.128.0/20 | ||||||
| PTR | a2aa9ff50de748dbe.awsglobalaccelerator.com | ||||||
| A | 15.197.148.33🇺🇸 Amazon15.197.144.0/20 | ||||||
| NS | ns23.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2151::c🇺🇸 GODADDY-DNS2603:5:2150::/44 | ||||||
| PTR | ns23.domaincontrol.com | ||||||
| A | 97.74.101.12🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns23.domaincontrol.com | ||||||
| NS | ns24.domaincontrol.com | ||||||
| A | 2603:5:2251::c🇺🇸 GODADDY-DNS2603:5:2250::/44 | ||||||
| PTR | ns24.domaincontrol.com | ||||||
| A | 173.201.69.12🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns24.domaincontrol.com | ||||||
| MX | mx1-us1.ppe-hosted.com ⭐ | ||||||
| A | 67.231.154.162🇺🇸 Proofpoint67.231.154.0/24 Inc. | ||||||
| PTR | mx1-us1.ppe-hosted.com | ||||||
| A | 148.163.129.50🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc. | ||||||
| PTR | mx1-us1.ppe-hosted.com | ||||||
| MX | mx2-us1.ppe-hosted.com(20) | ||||||
| A | 67.231.154.163🇺🇸 Proofpoint67.231.154.0/24 Inc. | ||||||
| PTR | mx2-us1.ppe-hosted.com | ||||||
| A | 148.163.129.51🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc. | ||||||
| PTR | mx2-us1.ppe-hosted.com | ||||||
| TXT | MS=ms20705594 | ||||||
| TXT | v=spf1 a:dispatch-us.ppe-hosted.com include:secureserver.net -all | ||||||
| SOA | ns23.domaincontrol.comdns@jomax.net 2026-02-02 #0 | ||||||
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=1778478231 | ||||||
Same first word
post-harvard.com |
DNS History
10 records (6 active, 4 former)
●NSns23.domaincontrol.com2015-06-14 → 2026-05-11 · 2 obs
● 2026-05-11 06:13:54
●NSns24.domaincontrol.com2015-06-14 → 2026-05-11 · 2 obs
● 2026-05-11 06:13:54
○MXmailstore1.secureserver.net2015-06-14 → 2017-02-06 · 4 obs
● 2017-02-06 10:04:42
○ 2018-07-07 08:24:26
○ 2026-05-11 06:13:54
●MXmx1-us1.ppe-hosted.com2026-05-10 → 2026-05-11 · 3 obs
● 2026-05-10 12:09:38
● 2026-05-11 06:13:54
●MXmx2-us1.ppe-hosted.com2026-05-10 → 2026-05-11 · 3 obs
● 2026-05-10 12:09:38
● 2026-05-11 06:13:54
○MXpostharvard-com01b.mail.protection.outlook.com2018-07-07 → 2018-07-07 · 4 obs
● 2018-07-07 08:24:26
○ 2026-05-10 12:09:38
○ 2026-05-11 06:13:54
○MXsmtp.secureserver.net2015-06-14 → 2017-02-06 · 4 obs
● 2017-02-06 10:04:42
○ 2018-07-07 08:24:26
○ 2026-05-11 06:13:54
●A15.197.148.332026-05-10 → 2026-05-11 · 3 obs
● 2026-05-10 12:09:38
● 2026-05-11 06:13:54
●A3.33.130.1902026-05-10 → 2026-05-11 · 3 obs
● 2026-05-10 12:09:38
● 2026-05-11 06:13:54
○A50.63.202.612015-06-14 → 2018-07-07 · 4 obs
● 2018-07-07 08:24:26
○ 2026-05-10 12:09:38
○ 2026-05-11 06:13:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| post-harvard.com | ns23.domaincontrol.com, ns24.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.69.12
NS records: ns23.domaincontrol.com, ns24.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for post-harvard.com (unsigned zone)
⏱️ Timing
Total: 223ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns23.domaincontrol.com, ns24.domaincontrol.com |
| MX | 2 | mx1-us1.ppe-hosted.com (pri: 10), mx2-us1.ppe-hosted.com (pri: 20) |
| TXT | 2 | MS=ms20705594, v=spf1 a:dispatch-us.ppe-hosted.com incl |
| SOA | 1 | ns23.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns23.domaincontrol.com, ns23.domaincontrol.com, ns24.domaincontrol.com...)
Analysis
IP Addresses
post-harvard.com resolves to two IP numbers: 3.33.130.190 and 15.197.148.33.
Other host names, for instance mzmoncada.com, attackcoaching.com, iknowwhodidit.com, imaginationblocks.com and avantebank.com share IP numbers with post-harvard.com.
Name Servers
Two name servers ns23.domaincontrol.com and ns24.domaincontrol.com handle delegation for post-harvard.com.
post-harvard.com uses the same name server setup as other domains, for example diasys-ddimer.com, chipcashers.com, golden-hour.com, 01mw.top and jeunesamisdusport.com.
Host names with two IP numbers:
ns23.domaincontrol.com points to: 2603:5:2151::c and 97.74.101.12
ns24.domaincontrol.com points to: 2603:5:2251::c and 173.201.69.12
Mail Servers
post-harvard.com is handled by two mail servers: mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com.
post-harvard.com has the same mail server setup as other domains, including orezona.com, revivedlives.com, holywell.ca, lta.lighting and corhealthcare.com.
post-harvard.com shares some mail servers with other domains, at least partially, such as beachvibecycles.com, royalchemical.com, networkwardens.net, gkids.com and wmadv.com.
Host names with two IP numbers:
mx1-us1.ppe-hosted.com points to: 67.231.154.162 and 148.163.129.50
mx2-us1.ppe-hosted.com points to: 67.231.154.163 and 148.163.129.51