phdcommunications.com - dns.ninja
phdcommunications.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=1782921481 | ||||||
Subdomains
remote.phdcommunications.com |
Same first word
phdcommunications.com |
DNS History
9 records (6 active, 3 former)
●NSns13.domaincontrol.com2015-06-06 → 2026-07-01 · 2 obs
● 2026-07-01 16:26:08
●NSns14.domaincontrol.com2015-06-06 → 2026-07-01 · 2 obs
● 2026-07-01 16:26:08
○MXphdcommunications.com.1.0001.arsmtp.com2015-06-06 → 2015-06-06 · 3 obs
○ 2015-11-10 06:37:38
○ 2026-07-01 16:26:08
○MXphdcommunications.com.2.0001.arsmtp.com2015-06-06 → 2015-06-06 · 3 obs
○ 2015-11-10 06:37:38
○ 2026-07-01 16:26:08
●MXus-smtp-inbound-1.mimecast.com2015-11-10 → 2026-07-01 · 3 obs
● 2015-11-10 06:37:38
● 2026-07-01 16:26:08
●MXus-smtp-inbound-2.mimecast.com2015-11-10 → 2026-07-01 · 3 obs
● 2015-11-10 06:37:38
● 2026-07-01 16:26:08
●A15.197.225.1282026-05-12 → 2026-07-01 · 3 obs
● 2026-05-12 12:15:42
● 2026-07-01 16:26:08
○A184.168.51.12015-06-06 → 2017-07-05 · 4 obs
● 2017-07-05 15:36:34
○ 2026-05-12 12:15:42
○ 2026-07-01 16:26:08
●A3.33.251.1682026-05-12 → 2026-07-01 · 3 obs
● 2026-05-12 12:15:42
● 2026-07-01 16:26:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net... | - |
| phdcommunications.com | ns13.domaincontrol.com, ns14.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.106.7
NS records: ns13.domaincontrol.com, ns14.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for phdcommunications.com (unsigned zone)
⏱️ Timing
Total: 193ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns13.domaincontrol.com, ns14.domaincontrol.com |
| MX | 2 | us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10) |
| TXT | 5 | google-site-verification=LDnBtc6v5gOTpXF, MS=ms59359803... |
| SOA | 1 | ns13.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns13.domaincontrol.com, ns13.domaincontrol.com, ns14.domaincontrol.com...)
Analysis
Hierarchy
phdcommunications.com serves as the parent of remote.phdcommunications.com.
IP Addresses
phdcommunications.com resolves to the IP addresses 3.33.251.168 and 15.197.225.128
thrmachinery.com, barbarazuleger.com, rbet545.com and two other host names share IP numbers with phdcommunications.com.
Name Servers
The NS records for phdcommunications.com delegate to ns13.domaincontrol.com and ns14.domaincontrol.com.
phdcommunications.com uses the same name servers as several other domains — among them theanimallawgroup.com, larmonphoto.com, isoftol.com and two more.
ns13.domaincontrol.com resolves to 97.74.106.7 and 2603:5:21a0::7. Likewise, ns14.domaincontrol.com resolves to 173.201.74.7 and 2603:5:22a0::7 — two IP addresses apiece.
Mail Servers
Mail for phdcommunications.com is handled by two mail servers — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
phdcommunications.com uses an identical mail server configuration to several other domains — among them buymillerscreek.com, regencyfinance.com, britelocker.com and two more.
At least some of phdcommunications.com's mail servers are shared with other domains, among them parknationalbank.com, rolodex.com, digiru.com and imparktalk.com.
Hostnames that resolve to 6 IP addresses:
us-smtp-inbound-1.mimecast.com maps to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 additional IP addresses.
us-smtp-inbound-2.mimecast.com maps to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 additional IP addresses.
us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.128.141 IP addresses.
us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.128.221 IP addresses.
us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.128.242 IP addresses.
us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.132.141 IP addresses.
us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.132.221 IP addresses.
us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.132.242 IP addresses.