`johnmkennedymd.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:1107^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:da2a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.17.7^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.218.42^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`apollo.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b42^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`apollo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c142^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`apollo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2142^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`apollo.ns.cloudflare.com`
		A	108.162.193.66^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`apollo.ns.cloudflare.com`
		A	172.64.33.66^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`apollo.ns.cloudflare.com`
		A	173.245.59.66^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`apollo.ns.cloudflare.com`
NS	`cass.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c051^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cass.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2051^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cass.ns.cloudflare.com`
		A	108.162.192.81^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	172.64.32.81^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	173.245.58.81^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.17.7, 172.67.218.42
		IPv6 hints	2606:4700:3035::6815:1107, 2606:4700:3037::ac43:da2a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=196, name=cloudflare-ech.com
SOA	`apollo.ns.cloudflare.com`dns@cloudflare.com serial=2406172037

`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.net`nstld@verisign-grs.com serial=1784133637

Same first word

johnmkennedymd.com

DNS History

20 records (11 active, 9 former)

●NSapollo.ns.cloudflare.com2026-04-12 → 2026-07-15 · 3 obs

○ 2017-05-19 09:13:20
● 2026-04-12 11:06:14
● 2026-07-15 17:09:12

●NScass.ns.cloudflare.com2026-04-12 → 2026-07-15 · 3 obs

○ 2017-05-19 09:13:20
● 2026-04-12 11:06:14
● 2026-07-15 17:09:12

○NSns-cloud-b1.googledomains.com2015-08-01 → 2017-05-19 · 4 obs

● 2015-08-01 19:32:56
● 2017-05-19 09:13:20
○ 2026-04-12 11:06:14
○ 2026-07-15 17:09:12

○NSns-cloud-b2.googledomains.com2015-08-01 → 2017-05-19 · 4 obs

● 2015-08-01 19:32:56
● 2017-05-19 09:13:20
○ 2026-04-12 11:06:14
○ 2026-07-15 17:09:12

○NSns-cloud-b3.googledomains.com2015-08-01 → 2017-05-19 · 4 obs

● 2015-08-01 19:32:56
● 2017-05-19 09:13:20
○ 2026-04-12 11:06:14
○ 2026-07-15 17:09:12

○NSns-cloud-b4.googledomains.com2015-08-01 → 2017-05-19 · 4 obs

● 2015-08-01 19:32:56
● 2017-05-19 09:13:20
○ 2026-04-12 11:06:14
○ 2026-07-15 17:09:12

●MXeforward1.registrar-servers.com2026-04-12 → 2026-07-15 · 3 obs

○ 2017-05-19 09:13:20
● 2026-04-12 11:06:14
● 2026-07-15 17:09:12

●MXeforward2.registrar-servers.com2026-04-12 → 2026-07-15 · 3 obs

○ 2017-05-19 09:13:20
● 2026-04-12 11:06:14
● 2026-07-15 17:09:12

●MXeforward3.registrar-servers.com2026-04-12 → 2026-07-15 · 3 obs

○ 2017-05-19 09:13:20
● 2026-04-12 11:06:14
● 2026-07-15 17:09:12

●MXeforward4.registrar-servers.com2026-04-12 → 2026-07-15 · 3 obs

○ 2017-05-19 09:13:20
● 2026-04-12 11:06:14
● 2026-07-15 17:09:12

●MXeforward5.registrar-servers.com2026-04-12 → 2026-07-15 · 3 obs

○ 2017-05-19 09:13:20
● 2026-04-12 11:06:14
● 2026-07-15 17:09:12

○MXmail.johnmkennedymd.com2015-08-01 → 2017-05-19 · 4 obs

● 2015-08-01 19:32:56
● 2017-05-19 09:13:20
○ 2026-04-12 11:06:14
○ 2026-07-15 17:09:12

○MXsmtp.secureserver.net2015-08-01 → 2017-05-19 · 4 obs

● 2015-08-01 19:32:56
● 2017-05-19 09:13:20
○ 2026-04-12 11:06:14
○ 2026-07-15 17:09:12

●A104.21.17.72026-04-12 → 2026-07-15 · 3 obs

○ 2017-05-19 09:13:20
● 2026-04-12 11:06:14
● 2026-07-15 17:09:12

●A172.67.218.422026-04-12 → 2026-07-15 · 3 obs

○ 2017-05-19 09:13:20
● 2026-04-12 11:06:14
● 2026-07-15 17:09:12

○A2606:4700:3032::ac43:da2a2026-04-12 → 2026-06-17 · 5 obs

○ 2017-05-19 09:13:20
● 2026-04-12 11:06:14
● 2026-06-17 17:41:16
○ 2026-07-12 09:40:24
○ 2026-07-15 17:09:12

●A2606:4700:3035::6815:11072026-07-12 → 2026-07-15 · 3 obs

○ 2026-06-17 17:41:16
● 2026-07-12 09:40:24
● 2026-07-15 17:09:12

○A2606:4700:3037::6815:11072026-04-12 → 2026-06-17 · 5 obs

○ 2017-05-19 09:13:20
● 2026-04-12 11:06:14
● 2026-06-17 17:41:16
○ 2026-07-12 09:40:24
○ 2026-07-15 17:09:12

●A2606:4700:3037::ac43:da2a2026-07-12 → 2026-07-15 · 3 obs

○ 2026-06-17 17:41:16
● 2026-07-12 09:40:24
● 2026-07-15 17:09:12

○A54.84.60.1362015-08-01 → 2017-05-19 · 4 obs

● 2015-08-01 19:32:56
● 2017-05-19 09:13:20
○ 2026-04-12 11:06:14
○ 2026-07-15 17:09:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net...	-
johnmkennedymd.com	cass.ns.cloudflare.com, apollo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.66

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for johnmkennedymd.com (unsigned zone)

⏱️ Timing

Total: 142ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.17.7, 172.67.218.42`
AAAA	2	`2606:4700:3037::ac43:da2a, 2606:4700:3035::6815:1107`
NS	2	`apollo.ns.cloudflare.com, cass.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`apollo.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

johnmkennedymd.com directs to four IP numbers, which are 104.21.17.7, 172.67.218.42, 2606:4700:3035::6815:1107 and 2606:4700:3037::ac43:da2a.

Among the host names that share IP numbers with johnmkennedymd.com are clikmarketing.com.au, liborvalenta.com, academy.mawdoo3.com and two others.

Name Servers

johnmkennedymd.com is served by two delegated name servers, apollo.ns.cloudflare.com and cass.ns.cloudflare.com.

johnmkennedymd.com has the same name server delegation as a number of other domains, such as smenerji.com, go2sell.com.br, dkgtv.com and two more.

The name servers of johnmkennedymd.com overlap at least partially with those of other domains — among them 2propose.com, 111100000.xyz, heparin-cofactor-ii-precursor.com and two more.

The name servers crystal.ns.cloudflare.com, nitin.ns.cloudflare.com and uma.ns.cloudflare.com are commonly seen alongside these name servers.

Host names resolving to 6 IP numbers:

apollo.ns.cloudflare.com carries IP addresses 108.162.193.66, 172.64.33.66 and 173.245.59.66, with 3 other addresses beyond those.

cass.ns.cloudflare.com carries IP addresses 108.162.192.81, 172.64.32.81 and 173.245.58.81, with 3 other addresses beyond those.

Mail Servers

Five mail servers handle johnmkennedymd.com: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

johnmkennedymd.com shares at least some of its mail servers with other domains — for example knowthinkact.com, webresumeplace.com, cxengagementhub.com and two more.

It is common for these mail servers to co-occur with eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com as mail servers.

Hosts that resolve to one IP address:

eforward1.registrar-servers.com points to the IP address 162.255.118.51.

eforward2.registrar-servers.com points to the IP address 162.255.118.52.

eforward3.registrar-servers.com points to the IP address 162.255.118.51.

eforward4.registrar-servers.com points to the IP address 162.255.118.52.

eforward5.registrar-servers.com points to the IP address 162.255.118.51.

eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com all direct to 162.255.118.51.

These two host names — eforward2.registrar-servers.com and eforward4.registrar-servers.com — each point to 162.255.118.52 IP addresses.