crystalclearoptometry.com - dns.ninja

`crystalclearoptometry.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:6fe^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:8789^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.6.254^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.137^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chan.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a52^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c052^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2052^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chan.ns.cloudflare.com`
		A	108.162.192.82^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	172.64.32.82^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	173.245.58.82^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
NS	`doug.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`doug.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`doug.ns.cloudflare.com`
		A	108.162.193.159^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	172.64.33.159^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	173.245.59.159^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
MX	`mx.imatrixbase.com` ⭐
		A	64.98.38.4^{🇨🇦 TUCOWS-364.98.38.0/24 IPv4 Allow}
			PTR	`mx.b.hostedemail.com`
TXT	`google-site-verification=_oL2n-8rl3umkPQDFDYm3M7G5_dZEB4fwkfD2k4EIMc`
TXT	`v=spf1 ip4:64.98.40.0/22 ip4:64.98.36.17`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.6.254, 172.67.135.137
		IPv6 hints	2606:4700:3032::6815:6fe, 2606:4700:3032::ac43:8789
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=22, name=cloudflare-ech.com
SOA	`chan.ns.cloudflare.com`dns@cloudflare.com serial=2405924303

`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=1782941386

Same first word

crystalclearoptometry.com

DNS History

14 records (7 active, 7 former)

●NSchan.ns.cloudflare.com2018-10-02 → 2026-07-01 · 3 obs

○ 2017-01-31 06:51:28
● 2018-10-02 11:19:56
● 2026-07-01 21:49:00

●NSdoug.ns.cloudflare.com2018-10-02 → 2026-07-01 · 3 obs

○ 2017-01-31 06:51:28
● 2018-10-02 11:19:56
● 2026-07-01 21:49:00

○NSns.crystalclearoptometry.com2015-05-06 → 2017-01-31 · 4 obs

● 2015-05-06 18:09:32
● 2017-01-31 06:51:28
○ 2018-10-02 11:19:56
○ 2026-07-01 21:49:00

○MXmail.crystalclearoptometry.com2015-05-06 → 2015-05-06 · 3 obs

● 2015-05-06 18:09:32
○ 2015-11-03 16:30:00
○ 2026-07-01 21:49:00

●MXmx.imatrixbase.com2015-11-03 → 2026-07-01 · 3 obs

○ 2015-05-06 18:09:32
● 2015-11-03 16:30:00
● 2026-07-01 21:49:00

●A104.21.6.2542026-02-27 → 2026-07-01 · 3 obs

○ 2018-10-02 11:19:56
● 2026-02-27 01:55:46
● 2026-07-01 21:49:00

○A104.28.20.1202018-10-02 → 2018-10-02 · 4 obs

○ 2017-01-31 06:51:28
● 2018-10-02 11:19:56
○ 2026-02-27 01:55:46
○ 2026-07-01 21:49:00

○A104.28.21.1202018-10-02 → 2018-10-02 · 4 obs

○ 2017-01-31 06:51:28
● 2018-10-02 11:19:56
○ 2026-02-27 01:55:46
○ 2026-07-01 21:49:00

●A172.67.135.1372026-02-27 → 2026-07-01 · 3 obs

○ 2018-10-02 11:19:56
● 2026-02-27 01:55:46
● 2026-07-01 21:49:00

○A2606:4700:30::681c:14782018-10-02 → 2018-10-02 · 4 obs

○ 2017-01-31 06:51:28
● 2018-10-02 11:19:56
○ 2026-02-27 01:55:46
○ 2026-07-01 21:49:00

○A2606:4700:30::681c:15782018-10-02 → 2018-10-02 · 4 obs

○ 2017-01-31 06:51:28
● 2018-10-02 11:19:56
○ 2026-02-27 01:55:46
○ 2026-07-01 21:49:00

●A2606:4700:3032::6815:6fe2026-02-27 → 2026-07-01 · 3 obs

○ 2018-10-02 11:19:56
● 2026-02-27 01:55:46
● 2026-07-01 21:49:00

●A2606:4700:3032::ac43:87892026-02-27 → 2026-07-01 · 3 obs

○ 2018-10-02 11:19:56
● 2026-02-27 01:55:46
● 2026-07-01 21:49:00

○A98.158.198.142015-05-06 → 2017-01-31 · 4 obs

● 2015-05-06 18:09:32
● 2017-01-31 06:51:28
○ 2018-10-02 11:19:56
○ 2026-07-01 21:49:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
crystalclearoptometry.com	chan.ns.cloudflare.com, doug.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.82

NS records: chan.ns.cloudflare.com, doug.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crystalclearoptometry.com (unsigned zone)

⏱️ Timing

Total: 262ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.6.254, 172.67.135.137`
AAAA	2	`2606:4700:3032::ac43:8789, 2606:4700:3032::6815:6fe`
NS	2	`chan.ns.cloudflare.com, doug.ns.cloudflare.com`
MX	1	`mx.imatrixbase.com (pri: 10)`
TXT	2	`google-site-verification=_oL2n-8rl3umkPQ, v=spf1 ip4:64.98.40.0/22 ip4:64.98.36.17`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chan.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

crystalclearoptometry.com resolves to four IP addresses: 104.21.6.254, 172.67.135.137, 2606:4700:3032::6815:6fe and 2606:4700:3032::ac43:8789.

kebowh.com, coinbase-commerce.app, bean-soft.com plus two other host names have IP numbers in common with crystalclearoptometry.com.

Name Servers

crystalclearoptometry.com uses two name servers for its delegation: chan.ns.cloudflare.com and doug.ns.cloudflare.com.

The name server configuration of crystalclearoptometry.com is shared with other domains, for instance selmanchiropractic.com, hydeparkchiro.com, aiih.net and two others.

crystalclearoptometry.com shares at least some of its name servers with other domains, including electricgaterepairtampa.com, cabura.trade, telegramingruplari.com and two others.

These name servers are frequently seen alongside the name servers merlin.ns.cloudflare.com, cody.ns.cloudflare.com, nero.ns.cloudflare.com and hugh.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname chan.ns.cloudflare.com directs to 108.162.192.82, 172.64.32.82 and 173.245.58.82 along with 3 other IP addresses.

Hostname doug.ns.cloudflare.com directs to 108.162.193.159, 172.64.33.159 and 173.245.59.159 along with 3 other IP addresses.

Mail Servers

crystalclearoptometry.com uses one mail server — mx.imatrixbase.com.

The mail server setup of crystalclearoptometry.com matches that of other domains such as eugenebacktohealthcenter.com, wellsfamilychiropractic.com, heartwoodholistic.com and two others.

mx.imatrixbase.com directs to just one IP number, 64.98.38.4.