centrexmd.com - dns.ninja

`centrexmd.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:19bb^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:8679^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.25.187^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.121^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ian.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c176^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2176^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ian.ns.cloudflare.com`
		A	108.162.193.118^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	172.64.33.118^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	173.245.59.118^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
NS	`vera.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a93^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c093^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2093^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vera.ns.cloudflare.com`
		A	108.162.192.147^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	172.64.32.147^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	173.245.58.147^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
MX	`_dc-mx.3921d12f1069.centrexmd.com` ⭐
		A	67.207.217.110
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.25.187, 172.67.134.121
		IPv6 hints	2606:4700:3031::6815:19bb, 2606:4700:3032::ac43:8679
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com
SOA	`ian.ns.cloudflare.com`dns@cloudflare.com serial=2404968243

`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=1782433660

Same first word

centrexmd.com

Similar names

extendcrm.co.uk

medcentrx.com

mdxcenter.com

extendcrm.com

DNS History

15 records (7 active, 8 former)

●NSian.ns.cloudflare.com2015-07-19 → 2026-06-26 · 3 obs

○ 2008-03-16 22:05:06
● 2015-07-19 07:46:26
● 2026-06-26 00:35:00

○NSns1.mydyndns.org2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 22:05:06
○ 2015-07-19 07:46:26
○ 2026-06-26 00:35:00

○NSns2.mydyndns.org2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 22:05:06
○ 2015-07-19 07:46:26
○ 2026-06-26 00:35:00

●NSvera.ns.cloudflare.com2015-07-19 → 2026-06-26 · 3 obs

○ 2008-03-16 22:05:06
● 2015-07-19 07:46:26
● 2026-06-26 00:35:00

●MX_dc-mx.3921d12f1069.centrexmd.com2026-04-05 → 2026-06-26 · 3 obs

○ 2017-05-17 05:24:50
● 2026-04-05 20:40:08
● 2026-06-26 00:35:00

○MXdc-6cd60edb5881.centrexmd.com2017-05-17 → 2017-05-17 · 4 obs

○ 2016-09-11 20:37:18
● 2017-05-17 05:24:50
○ 2026-04-05 20:40:08
○ 2026-06-26 00:35:00

○MXdc-8b823a4d.centrexmd.com2015-07-19 → 2016-09-11 · 5 obs

○ 2008-03-16 22:05:06
● 2015-07-19 07:46:26
● 2016-09-11 20:37:18
○ 2017-05-17 05:24:50
○ 2026-06-26 00:35:00

●A104.21.25.1872026-04-05 → 2026-06-26 · 3 obs

○ 2017-05-17 05:24:50
● 2026-04-05 20:40:08
● 2026-06-26 00:35:00

○A104.28.24.1032015-07-19 → 2017-05-17 · 5 obs

○ 2008-03-16 22:05:06
● 2015-07-19 07:46:26
● 2017-05-17 05:24:50
○ 2026-04-05 20:40:08
○ 2026-06-26 00:35:00

○A104.28.25.1032015-07-19 → 2017-05-17 · 5 obs

○ 2008-03-16 22:05:06
● 2015-07-19 07:46:26
● 2017-05-17 05:24:50
○ 2026-04-05 20:40:08
○ 2026-06-26 00:35:00

●A172.67.134.1212026-04-05 → 2026-06-26 · 3 obs

○ 2017-05-17 05:24:50
● 2026-04-05 20:40:08
● 2026-06-26 00:35:00

○A2400:cb00:2048:1::681c:18672017-05-17 → 2017-05-17 · 4 obs

○ 2015-07-19 07:46:26
● 2017-05-17 05:24:50
○ 2026-04-05 20:40:08
○ 2026-06-26 00:35:00

○A2400:cb00:2048:1::681c:19672017-05-17 → 2017-05-17 · 4 obs

○ 2015-07-19 07:46:26
● 2017-05-17 05:24:50
○ 2026-04-05 20:40:08
○ 2026-06-26 00:35:00

●A2606:4700:3031::6815:19bb2026-04-05 → 2026-06-26 · 3 obs

○ 2017-05-17 05:24:50
● 2026-04-05 20:40:08
● 2026-06-26 00:35:00

●A2606:4700:3032::ac43:86792026-04-05 → 2026-06-26 · 3 obs

○ 2017-05-17 05:24:50
● 2026-04-05 20:40:08
● 2026-06-26 00:35:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...	-
centrexmd.com	ian.ns.cloudflare.com, vera.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:173.245.58.147

NS records: ian.ns.cloudflare.com, vera.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centrexmd.com (unsigned zone)

⏱️ Timing

Total: 2785ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.25.187, 172.67.134.121`
AAAA	2	`2606:4700:3031::6815:19bb, 2606:4700:3032::ac43:8679`
NS	2	`ian.ns.cloudflare.com, vera.ns.cloudflare.com`
MX	1	`_dc-mx.3921d12f1069.centrexmd.com (pri:`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ian.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

centrexmd.com has four IP addresses: 104.21.25.187, 172.67.134.121, 2606:4700:3031::6815:19bb and 2606:4700:3032::ac43:8679.

Other host names, for instance noitsi.com, citeitnow.com, grishkoff.com and two other share IP numbers with centrexmd.com.

Name Servers

Two name servers handle the delegation for centrexmd.com: ian.ns.cloudflare.com and vera.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

ian.ns.cloudflare.com resolves to 108.162.193.118, 172.64.33.118 and 173.245.59.118 among others, with 3 other IP addresses in total.

vera.ns.cloudflare.com resolves to 108.162.192.147, 172.64.32.147 and 173.245.58.147 among others, with 3 other IP addresses in total.

Mail Servers

Mail for centrexmd.com is handled by a single mail server, _dc-mx.3921d12f1069.centrexmd.com.

_dc-mx.3921d12f1069.centrexmd.com carries a single IP number, which is 67.207.217.110.