drjohnmd.com - robtex.com
drjohnmd.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:2896🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:990f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.40.150Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.153.15🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dell.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a5e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dell.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c05e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dell.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:205e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dell.ns.cloudflare.com | ||||||
| A | 108.162.192.94🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dell.ns.cloudflare.com | ||||||
| A | 172.64.32.94🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dell.ns.cloudflare.com | ||||||
| A | 173.245.58.94🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dell.ns.cloudflare.com | ||||||
| NS | memphis.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cbd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3bd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23bd🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 108.162.195.189🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 162.159.44.189Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 172.64.35.189🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.40.150, 172.67.153.15 | ||||||
| IPv6 | 2606:4700:3037::6815:2896, 2606:4700:3037::ac43:990f | ||||||
| SOA | dell.ns.cloudflare.comdns@cloudflare.com serial=2397167715 | ||||||
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=1771291435 | ||||||
Same first word
drjohnmd.com |
DNS History
14 records (6 active, 8 former)
●NSdell.ns.cloudflare.com2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 06:33:56
● 2026-03-24 06:33:58
●NSmemphis.ns.cloudflare.com2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 06:33:56
● 2026-03-24 06:33:58
○NSns1.bluehost.com2015-06-05 → 2016-04-23 · 4 obs
● 2016-04-23 20:09:06
○ 2017-02-19 01:39:14
○ 2026-03-24 06:33:58
○NSns2.bluehost.com2015-06-05 → 2016-04-23 · 4 obs
● 2016-04-23 20:09:06
○ 2017-02-19 01:39:14
○ 2026-03-24 06:33:58
○NSns27.domaincontrol.com2026-03-24 → 2026-03-24 · 2 obs
○ 2026-03-24 06:33:58
○NSns28.domaincontrol.com2026-03-24 → 2026-03-24 · 2 obs
○ 2026-03-24 06:33:58
○MXmail.drjohnmd.com2015-06-05 → 2016-04-23 · 4 obs
● 2016-04-23 20:09:06
○ 2017-02-19 01:39:14
○ 2026-03-24 06:33:58
●A104.21.40.1502026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 06:33:56
● 2026-03-24 06:33:58
○A15.197.148.332026-03-24 → 2026-03-24 · 2 obs
○ 2026-03-24 06:33:58
○A162.144.42.1962015-06-05 → 2016-04-23 · 4 obs
● 2016-04-23 20:09:06
○ 2017-02-19 01:39:14
○ 2026-03-24 06:33:58
●A172.67.153.152026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 06:33:56
● 2026-03-24 06:33:58
●A2606:4700:3037::6815:28962026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 06:33:56
● 2026-03-24 06:33:58
●A2606:4700:3037::ac43:990f2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 06:33:56
● 2026-03-24 06:33:58
○A3.33.130.1902026-03-24 → 2026-03-24 · 2 obs
○ 2026-03-24 06:33:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| drjohnmd.com | dell.ns.cloudflare.com, memphis.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.94
NS records: dell.ns.cloudflare.com, memphis.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for drjohnmd.com (unsigned zone)
⏱️ Timing
Total: 165ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.40.150, 172.67.153.15 |
| AAAA | 2 | 2606:4700:3037::6815:2896, 2606:4700:3037::ac43:990f |
| NS | 2 | dell.ns.cloudflare.com, memphis.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dell.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (dell.ns.cloudflare.com, dell.ns.cloudflare.com, dell.ns.cloudflare.com...)
Analysis
IP Addresses
drjohnmd.com maps to four IP numbers: 2606:4700:3037::6815:2896, 2606:4700:3037::ac43:990f, 104.21.40.150 and 172.67.153.15.
Other host names, for instance desakolot.com, andexin.com.cn, www.beltmannlogistics.com, xn--xkru7r.com and case.epaperflip.com share IP numbers with drjohnmd.com.
Name Servers
Two name servers dell.ns.cloudflare.com and memphis.ns.cloudflare.com handle delegation for drjohnmd.com.
drjohnmd.com uses the same name server setup as other domains, for example lucett.com, globalsheetmetal.com, baoma123.net, lsp-smkn1denpasar.id and globustrust.com.
drjohnmd.com partially shares name servers with other domains; examples include kaazpay.com, fastcommercialroofing.com, giant.coupons, pinup-bet470.com and sharetea.com.tw.
These name servers are commonly used with the name servers venus.ns.cloudflare.com, kimora.ns.cloudflare.com, peyton.ns.cloudflare.com, noel.ns.cloudflare.com and anirban.ns.cloudflare.com.
Host names with six IP numbers: dell.ns.cloudflare.com points to: 2606:4700:50::adf5:3a5e, 2803:f800:50::6ca2:c05e, 2a06:98c1:50::ac40:205e, 108.162.192.94, 172.64.32.94 and 173.245.58.94; memphis.ns.cloudflare.com points to: 2606:4700:58::a29f:2cbd, 2803:f800:50::6ca2:c3bd, 2a06:98c1:50::ac40:23bd, 108.162.195.189, 162.159.44.189 and 172.64.35.189.