phdcourse.com - dns.ninja
phdcourse.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 | ns3.afternic.com ⭐ | ||||||
| A | 97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns3.afternic.com | ||||||
| NS | ns4.afternic.com | ||||||
| A | 173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns4.namefind.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #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=1781651655 | ||||||
Same first word
phdcourse.com |
Similar names
codepushr.click |
chuspedro.com |
coderpush.com |
docpreuhs.com |
shopreduc.biz |
sourcephd.com |
sourcephd.net |
shopreduc.net |
pushcoder.com |
docpusher.com |
pdhsource.com |
DNS History
9 records (4 active, 5 former)
○NSns1.whypark.com2015-05-12 → 2017-06-23 · 4 obs
● 2017-06-23 10:58:12
○ 2026-02-23 13:57:04
○ 2026-06-16 23:34:16
○NSns2.whypark.com2015-05-12 → 2017-06-23 · 4 obs
● 2017-06-23 10:58:12
○ 2026-02-23 13:57:04
○ 2026-06-16 23:34:16
●NSns3.afternic.com2026-02-23 → 2026-06-16 · 3 obs
● 2026-02-23 13:57:04
● 2026-06-16 23:34:16
●NSns4.afternic.com2026-02-23 → 2026-06-16 · 3 obs
● 2026-02-23 13:57:04
● 2026-06-16 23:34:16
○MX.2026-02-23 → 2026-06-16 · 2 obs
○ 2026-06-16 23:34:16
●A13.248.169.482026-02-23 → 2026-06-16 · 3 obs
● 2026-02-23 13:57:04
● 2026-06-16 23:34:16
○A192.64.147.1372015-12-15 → 2017-06-23 · 5 obs
● 2015-12-15 21:48:48
● 2017-06-23 10:58:12
○ 2026-02-23 13:57:04
○ 2026-06-16 23:34:16
○A74.117.117.1162015-05-12 → 2015-10-14 · 4 obs
● 2015-10-14 15:11:06
○ 2015-12-15 21:48:48
○ 2026-06-16 23:34:16
●A76.223.54.1462026-02-23 → 2026-06-16 · 3 obs
● 2026-02-23 13:57:04
● 2026-06-16 23:34:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net... | - |
| phdcourse.com | ns3.afternic.com, ns4.afternic.com | 2 records |
✅ Authoritative Response
Server:97.74.98.65
NS records: ns3.afternic.com, ns4.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for phdcourse.com (unsigned zone)
⏱️ Timing
Total: 128ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns3.afternic.com, ns4.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns3.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)
Analysis
IP Addresses
phdcourse.com has two IP addresses: 13.248.169.48 and 76.223.54.146
Among the host names that share IP numbers with phdcourse.com are profitdetails.com, communicating.world, www.vietful.net and two others.
Name Servers
phdcourse.com is delegated to two name servers: ns3.afternic.com and ns4.afternic.com.
phdcourse.com has the same name server delegation as a number of other domains, such as mail.ischoolguide.com, trauerkultur.com, 62.8.196.rdns.ubiquity.io and two more.
At least some of phdcourse.com's name servers are shared with other domains, for example suncoasttech.com, orchardcondos.com, nbfn.com and two more.
These name servers tend to be used in conjunction with the name servers verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn.
Each of ns3.afternic.com and ns4.afternic.com has one IP address: ns3.afternic.com uses 97.74.98.65 and ns4.afternic.com uses 173.201.66.65.