ptrob.com - dns.ninja
ptrob.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.252.149.23🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | s310.sureserver.com | ||||||
| NS | ns1.server310.com ⭐ | ||||||
| A | 192.252.149.23🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | s310.sureserver.com | ||||||
| NS | ns2.server310.com | ||||||
| A | 192.252.150.23🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | ns2.server310.com | ||||||
| MX | mail.ptrob.com ⭐ | ||||||
| A | 192.252.149.23🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | s310.sureserver.com | ||||||
| TXT | v=spf1 a mx include:server310.smtp-spf.sureserver.com ~all | ||||||
| SOA | ns1.server310.comhostmaster@ptrob.com serial=1781452905 | ||||||
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=1781457235 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.server310.com2015-08-24 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:22
●NSns2.server310.com2015-08-24 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:22
●MXmail.ptrob.com2015-08-24 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:22
●A192.252.149.232017-05-25 → 2026-06-14 · 3 obs
● 2017-05-25 06:52:28
● 2026-06-14 17:28:22
○A216.35.196.622015-08-24 → 2016-11-03 · 4 obs
● 2016-11-03 03:14:24
○ 2017-05-25 06:52:28
○ 2026-06-14 17:28:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net... | - |
| ptrob.com | ns1.server310.com, ns2.server310.com | 2 records |
✅ Authoritative Response
Server:192.252.150.23
NS records: ns1.server310.com, ns2.server310.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ptrob.com (unsigned zone)
⏱️ Timing
Total: 246ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.252.149.23 |
| NS | 2 | ns1.server310.com, ns2.server310.com |
| MX | 1 | mail.ptrob.com (pri: 0) |
| TXT | 1 | v=spf1 a mx include:server310.smtp-spf.s |
| SOA | 1 | ns1.server310.com hostmaster.ptrob.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.server310.com, ns2.server310.com)
Analysis
Hierarchy
ptrob.com is the parent domain of mail.ptrob.com and nrw.ptrob.com.
IP Addresses
ptrob.com points to a single IP number: 192.252.149.23.
Additional host names — mail.paulrobertson.net, hostmaster.artvideo.com, bri(0x616e616c)lenphoto.com and two others — share IP numbers with ptrob.com.
Name Servers
ptrob.com has two authoritative name servers — ns1.server310.com and ns2.server310.com.
ptrob.com shares its name server setup with other domains, including anamcarakellie.com, hotelagustos.com, sdchristopher.com and two others.
There is at least partial name server overlap between ptrob.com and other domains — freochurch.com, kshw.com.hk, outdoorlivinghawaii.com and two more among them.
ns1.server310.com → 192.252.149.23 and ns2.server310.com → 192.252.150.23: one IP number per host name.
Mail Servers
ptrob.com has one mail server: mail.ptrob.com.
mail.ptrob.com points to one IP number — 192.252.149.23.