drjohnsullivan.com - robtex.com
drjohnsullivan.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=1774836287 | ||||||
rank #321170 in the tld
WOT: UNKNOWN (61/100)
Subdomains
www.drjohnsullivan.com |
Same first word
drjohnsullivan.com |
DNS History
9 records (4 active, 5 former)
●NSns21.domaincontrol.com2026-02-17 → 2026-03-30 · 3 obs
● 2026-02-17 18:18:50
● 2026-03-30 02:29:36
●NSns22.domaincontrol.com2026-02-17 → 2026-03-30 · 3 obs
● 2026-02-17 18:18:50
● 2026-03-30 02:29:36
○NSns35.domaincontrol.com2015-05-15 → 2017-04-09 · 4 obs
● 2017-04-09 20:04:28
○ 2026-02-17 18:18:50
○ 2026-03-30 02:29:36
○NSns36.domaincontrol.com2015-05-15 → 2017-04-09 · 4 obs
● 2017-04-09 20:04:28
○ 2026-02-17 18:18:50
○ 2026-03-30 02:29:36
●MXdrjohnsullivan-com.mail.protection.outlook.com2026-02-17 → 2026-03-30 · 3 obs
● 2026-02-17 18:18:50
● 2026-03-30 02:29:36
○MXmailstore1.secureserver.net2015-05-15 → 2017-04-09 · 4 obs
● 2017-04-09 20:04:28
○ 2026-02-17 18:18:50
○ 2026-03-30 02:29:36
○MXsmtp.secureserver.net2015-05-15 → 2017-04-09 · 4 obs
● 2017-04-09 20:04:28
○ 2026-02-17 18:18:50
○ 2026-03-30 02:29:36
●A160.153.0.532026-02-17 → 2026-03-30 · 3 obs
● 2026-02-17 18:18:50
● 2026-03-30 02:29:36
○A192.186.244.02015-05-15 → 2017-04-09 · 4 obs
● 2017-04-09 20:04:28
○ 2026-02-17 18:18:50
○ 2026-03-30 02:29:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net... | - |
| drjohnsullivan.com | ns21.domaincontrol.com, ns22.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.68.11
NS records: ns21.domaincontrol.com, ns22.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for drjohnsullivan.com (unsigned zone)
⏱️ Timing
Total: 74ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.153.0.53 |
| NS | 2 | ns21.domaincontrol.com, ns22.domaincontrol.com |
| MX | 1 | drjohnsullivan-com.mail.protection.outlo |
| TXT | 2 | NETORG8267603.onmicrosoft.com, v=spf1 include:secureserver.net -all |
| SOA | 1 | ns21.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns21.domaincontrol.com, ns21.domaincontrol.com, ns22.domaincontrol.com...)
Analysis
Hierarchy
The parent of www.drjohnsullivan.com is drjohnsullivan.com.
IP Addresses
drjohnsullivan.com points to an IP address: 160.153.0.53.
other host names include shamsgroup.com, adonolam.org, aspirenyproperties.com, loriyoungdahl.com and burnspaiute-nsn.gov; they share IP numbers with drjohnsullivan.com.
Name Servers
Two name servers ns21.domaincontrol.com and ns22.domaincontrol.com handle the delegation for drjohnsullivan.com.
drjohnsullivan.com shares the same name server setup as other domains, for instance lamprell.net, cambermixedit.com, tampanativerealestateconsultants.com, mariannekreiner.info and dollartaxfiler.com.
Host names with two IP numbers:
ns21.domaincontrol.com points to 2603:5:2141::b and 97.74.100.11.
ns22.domaincontrol.com points to 2603:5:2241::b and 173.201.68.11.
Mail Servers
drjohnsullivan.com is handled by a single mail server, drjohnsullivan-com.mail.protection.outlook.com.
Hostname drjohnsullivan-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c927::, 2a01:111:f403:c92c::2, 2a01:111:f403:f802::3, 2a01:111:f403:f901::2, 52.101.9.0, 52.101.11.2, 52.101.41.0 and 52.101.42.18.