ptdalumni.com - robtex.com
ptdalumni.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=1777574471 | ||||||
Same first word
ptdalumni.com |
Similar names
DNS History
8 records (2 active, 6 former)
●NSdahlia.ns.cloudflare.com2026-03-01 → 2026-04-30 · 3 obs
● 2026-03-01 17:15:56
● 2026-04-30 19:06:16
●NSjames.ns.cloudflare.com2026-03-01 → 2026-04-30 · 3 obs
● 2026-03-01 17:15:56
● 2026-04-30 19:06:16
○NSns.ptdalumni.com2015-07-10 → 2017-01-23 · 4 obs
● 2017-01-23 17:32:14
○ 2018-07-06 21:49:40
○ 2026-04-30 19:06:16
○NSpdns13.domaincontrol.com2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:49:40
○ 2026-03-01 17:15:56
○ 2026-04-30 19:06:16
○NSpdns14.domaincontrol.com2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:49:40
○ 2026-03-01 17:15:56
○ 2026-04-30 19:06:16
○MXmail.ptdalumni.com2015-07-10 → 2018-07-06 · 4 obs
● 2018-07-06 21:49:40
○ 2026-03-01 17:15:56
○ 2026-04-30 19:06:16
○A119.81.1.1942015-07-10 → 2017-01-23 · 4 obs
● 2017-01-23 17:32:14
○ 2018-07-06 21:49:40
○ 2026-04-30 19:06:16
○A43.255.154.362018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:49:40
○ 2026-03-01 17:15:56
○ 2026-04-30 19:06:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net... | - |
| ptdalumni.com | dahlia.ns.cloudflare.com, james.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.89
NS records: dahlia.ns.cloudflare.com, james.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ptdalumni.com (unsigned zone)
⏱️ Timing
Total: 591ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (dahlia.ns.cloudflare.com, dahlia.ns.cloudflare.com, dahlia.ns.cloudflare.com...)
Analysis
Name Servers
ptdalumni.com's delegation uses two name servers: dahlia.ns.cloudflare.com and james.ns.cloudflare.com.
ptdalumni.com uses the same name server setup as other domains, such as chrom-cn.com.cn, mecsc.com.my, malaysia123.com, chrom-zh.com.cn and wtwglobal.com.
ptdalumni.com at least partially shares name servers with other domains, including bolig.com, 18770.org, michaelglovis.com, oduasce.org and bilgikurdu.com.tr.
These name servers are often used with vivienne.ns.cloudflare.com and sullivan.ns.cloudflare.com.
Host names with six IP numbers:
dahlia.ns.cloudflare.com points to 2606:4700:50::adf5:3a59, 2803:f800:50::6ca2:c059, 2a06:98c1:50::ac40:2059, 108.162.192.89, 172.64.32.89 and 173.245.58.89.
james.ns.cloudflare.com points to 2606:4700:58::adf5:3bb2, 2803:f800:50::6ca2:c1b2, 2a06:98c1:50::ac40:21b2, 108.162.193.178, 172.64.33.178 and 173.245.59.178.