drjcohen.com - robtex.com

drjcohen.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:1fdb🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:b403🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.31.219Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.180.3🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScass.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a51🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A2803:f800:50::6ca2:c051🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcass.ns.cloudflare.com
A2a06:98c1:50::ac40:2051🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcass.ns.cloudflare.com
A108.162.192.81🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A172.64.32.81🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A173.245.58.81🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
NSjobs.ns.cloudflare.com
A2606:4700:58::adf5:3bb7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjobs.ns.cloudflare.com
A2803:f800:50::6ca2:c1b7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjobs.ns.cloudflare.com
A2a06:98c1:50::ac40:21b7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjobs.ns.cloudflare.com
A108.162.193.183🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjobs.ns.cloudflare.com
A172.64.33.183🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjobs.ns.cloudflare.com
A173.245.59.183🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjobs.ns.cloudflare.com
MXmail.drjcohen.com ⭐
A34.206.254.248🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
PTRec2-34-206-254-248.compute-1.amazonaws.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.31.219, 172.67.180.3
IPv62606:4700:3034::6815:1fdb, 2606:4700:3037::ac43:b403
SOAcass.ns.cloudflare.comdns@cloudflare.com serial=2397211242

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1775019097

Subdomains

mail.drjcohen.com

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NScass.ns.cloudflare.comjobs.ns.cloudflare.comns1.one-dom12.comns2.one-dom12.comMXmail.drjcohen.comA104.21.31.219172.67.180.32606:4700:3034::6815:1fdb2606:4700:3037::ac43:b40334.205.35.7138.113.115.247
●NScass.ns.cloudflare.com2026-04-01 → 2026-04-01 · 3 obs
○ 2017-12-11 09:52:56
● 2026-04-01 04:57:00
● 2026-04-01 04:57:02
●NSjobs.ns.cloudflare.com2026-04-01 → 2026-04-01 · 3 obs
○ 2017-12-11 09:52:56
● 2026-04-01 04:57:00
● 2026-04-01 04:57:02
○NSns1.one-dom12.com2015-06-17 → 2017-12-11 · 4 obs
● 2015-06-17 18:16:00
● 2017-12-11 09:52:56
○ 2026-04-01 04:57:00
○ 2026-04-01 04:57:02
○NSns2.one-dom12.com2015-06-17 → 2017-12-11 · 4 obs
● 2015-06-17 18:16:00
● 2017-12-11 09:52:56
○ 2026-04-01 04:57:00
○ 2026-04-01 04:57:02
●MXmail.drjcohen.com2015-06-17 → 2026-04-01 · 2 obs
● 2015-06-17 18:16:00
● 2026-04-01 04:57:02
●A104.21.31.2192026-04-01 → 2026-04-01 · 3 obs
○ 2017-12-11 09:52:56
● 2026-04-01 04:57:00
● 2026-04-01 04:57:02
●A172.67.180.32026-04-01 → 2026-04-01 · 3 obs
○ 2017-12-11 09:52:56
● 2026-04-01 04:57:00
● 2026-04-01 04:57:02
●A2606:4700:3034::6815:1fdb2026-04-01 → 2026-04-01 · 3 obs
○ 2017-12-11 09:52:56
● 2026-04-01 04:57:00
● 2026-04-01 04:57:02
●A2606:4700:3037::ac43:b4032026-04-01 → 2026-04-01 · 3 obs
○ 2017-12-11 09:52:56
● 2026-04-01 04:57:00
● 2026-04-01 04:57:02
○A34.205.35.712017-12-11 → 2017-12-11 · 4 obs
○ 2016-12-23 19:11:04
● 2017-12-11 09:52:56
○ 2026-04-01 04:57:00
○ 2026-04-01 04:57:02
○A38.113.115.2472015-06-17 → 2016-12-23 · 4 obs
● 2015-06-17 18:16:00
● 2016-12-23 19:11:04
○ 2017-12-11 09:52:56
○ 2026-04-01 04:57:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net...-
drjcohen.comcass.ns.cloudflare.com, jobs.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.81

NS records: cass.ns.cloudflare.com, jobs.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for drjcohen.com (unsigned zone)

⏱️ Timing

Total: 1041ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.180.3, 104.21.31.219
AAAA22606:4700:3034::6815:1fdb, 2606:4700:3037::ac43:b403
NS2cass.ns.cloudflare.com, jobs.ns.cloudflare.com
MX1mail.drjcohen.com (pri: 10)
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cass.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (cass.ns.cloudflare.com, cass.ns.cloudflare.com, cass.ns.cloudflare.com...)

Analysis

Hierarchy

drjcohen.com is a parent of mail.drjcohen.com.

IP Addresses

drjcohen.com points to four IP numbers: 2606:4700:3034::6815:1fdb, 2606:4700:3037::ac43:b403, 104.21.31.219 and 172.67.180.3.

Other host names, for instance rspropertymaintenance.co.uk, www.designbyme.no, allegrolokalnie.ogloszenie912941924-pl.click, booking.confirmation-id8422.com and dc-f7cd4592.114g.net share IP numbers with drjcohen.com.

Name Servers

Delegation for drjcohen.com rests with two name servers, cass.ns.cloudflare.com and jobs.ns.cloudflare.com.

drjcohen.com shares the same name server setup as other domains, including theuncommongarden.com, kibristatilim.com, str8g8ed.com, bellapaisrentacar.com and aoyva.org.

drjcohen.com at least partially shares name servers with other domains, for instance kobe-81.com, pickoftheday.org, drakorasia.work, boeman.net and constructiondb.com.

These name servers are commonly used with the name servers nitin.ns.cloudflare.com.

Host names with six IP numbers: cass.ns.cloudflare.com points to: 2606:4700:50::adf5:3a51, 2803:f800:50::6ca2:c051, 2a06:98c1:50::ac40:2051, 108.162.192.81, 172.64.32.81 and 173.245.58.81. jobs.ns.cloudflare.com points to: 2606:4700:58::adf5:3bb7, 2803:f800:50::6ca2:c1b7, 2a06:98c1:50::ac40:21b7, 108.162.193.183, 172.64.33.183 and 173.245.59.183.

Mail Servers

drjcohen.com is handled by a single mail server, mail.drjcohen.com.

mail.drjcohen.com points to a single IP: 34.206.254.248.