doctorjohnk.com - robtex.com
doctorjohnk.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.252.154.25🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | s433.sureserver.com | ||||||
| NS | ns1.s433.sureserver.com ⭐ | ||||||
| A | 192.252.154.25🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | s433.sureserver.com | ||||||
| NS | ns2.s433.sureserver.com | ||||||
| A | 192.252.155.25🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | ns2.s433.sureserver.com | ||||||
| MX | mail.doctorjohnk.com ⭐ | ||||||
| A | 192.252.154.25🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | s433.sureserver.com | ||||||
| TXT | v=spf1 a mx include:s433.smtp-spf.sureserver.com ~all | ||||||
| SOA | ns1.s433.sureserver.comhostmaster@doctorjohnk.com serial=1776211239 | ||||||
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=1776213127 | ||||||
Subdomains
mail.doctorjohnk.com |
Same first word
doctorjohnk.com |
DNS History
5 records (4 active, 1 former)
●NSns1.s433.sureserver.com2015-07-03 → 2026-04-15 · 2 obs
● 2026-04-15 00:36:36
●NSns2.s433.sureserver.com2015-07-03 → 2026-04-15 · 2 obs
● 2026-04-15 00:36:36
●MXmail.doctorjohnk.com2015-07-03 → 2026-04-15 · 2 obs
● 2026-04-15 00:36:36
●A192.252.154.252017-03-30 → 2026-04-15 · 3 obs
● 2017-03-30 06:20:26
● 2026-04-15 00:36:36
○A64.14.74.712015-07-03 → 2016-03-12 · 4 obs
● 2016-03-12 10:45:46
○ 2017-03-30 06:20:26
○ 2026-04-15 00:36:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| doctorjohnk.com | ns1.s433.sureserver.com, ns2.s433.sureserver.com | 2 records |
✅ Authoritative Response
Server:192.252.154.25
NS records: ns1.s433.sureserver.com, ns2.s433.sureserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for doctorjohnk.com (unsigned zone)
⏱️ Timing
Total: 129ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.252.154.25 |
| NS | 2 | ns1.s433.sureserver.com, ns2.s433.sureserver.com |
| MX | 1 | mail.doctorjohnk.com (pri: 0) |
| TXT | 1 | v=spf1 a mx include:s433.smtp-spf.surese |
| SOA | 1 | ns1.s433.sureserver.com hostmaster.docto |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.s433.sureserver.com, ns2.s433.sureserver.com)
Analysis
Hierarchy
doctorjohnk.com is a parent of mail.doctorjohnk.com.
IP Addresses
doctorjohnk.com points to a single IP number: 192.252.154.25.
Other host names, for instance mail.411gatineau.com, worleyspainting.com, holtonjohnson.com, listrite.com and mail.robertlaird.net share IP numbers with doctorjohnk.com.
Name Servers
Delegation for doctorjohnk.com rests with two name servers, ns1.s433.sureserver.com and ns2.s433.sureserver.com.
doctorjohnk.com shares the same name server setup as other domains, including paule-design.com, bluenagoon.com, 411gatineau.com, slander-libel.com and robertlaird.net.
Host names with one IP number: ns1.s433.sureserver.com points to 192.252.154.25; ns2.s433.sureserver.com points to 192.252.155.25.
Mail Servers
doctorjohnk.com is handled by a single mail server, mail.doctorjohnk.com.
mail.doctorjohnk.com points to a single IP: 192.252.154.25.