`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	104.21.6.254, 172.67.135.137
		IPv6	2606:4700:3032::6815:6fe, 2606:4700:3032::ac43:8789
SOA	`chan.ns.cloudflare.com`dns@cloudflare.com serial=2396799287

`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=1771291435

Same first word

crystalclearoptometry.com

DNS History

14 records (7 active, 7 former)

●NSchan.ns.cloudflare.com2018-10-02 → 2026-02-27 · 3 obs

○ 2017-01-31 06:51:28
● 2018-10-02 11:19:56
● 2026-02-27 05:56:58

●NSdoug.ns.cloudflare.com2018-10-02 → 2026-02-27 · 3 obs

○ 2017-01-31 06:51:28
● 2018-10-02 11:19:56
● 2026-02-27 05:56:58

○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
○ 2026-02-27 05:56:58

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

● 2015-05-06 18:09:32
○ 2015-11-03 16:30:00
○ 2026-02-27 05:56:58

●MXmx.imatrixbase.com2015-11-03 → 2026-02-27 · 3 obs

○ 2015-05-06 18:09:32
● 2015-11-03 16:30:00
● 2026-02-27 05:56:58

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

○ 2018-10-02 11:19:56
● 2026-02-27 01:55:46
● 2026-02-27 05:56:58

○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
○ 2026-02-27 05:56:58

○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
○ 2026-02-27 05:56:58

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

○ 2018-10-02 11:19:56
● 2026-02-27 01:55:46
● 2026-02-27 05:56:58

○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
○ 2026-02-27 05:56:58

○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
○ 2026-02-27 05:56:58

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

○ 2018-10-02 11:19:56
● 2026-02-27 01:55:46
● 2026-02-27 05:56:58

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

○ 2018-10-02 11:19:56
● 2026-02-27 01:55:46
● 2026-02-27 05:56:58

○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
○ 2026-02-27 05:56:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
crystalclearoptometry.com	chan.ns.cloudflare.com, doug.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.159

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: 238ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.135.137, 104.21.6.254`
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...)

AI analysis

Four IP numbers are pointed to by crystalclearoptometry.com: 2606:4700:3032::6815:6fe, 2606:4700:3032::ac43:8789, 104.21.6.254 and 172.67.135.137.

other host names including kebowh.com, mbvk.eu, solendro.com, www.ziperto.com and www.cepowers.com share IP numbers with crystalclearoptometry.com.

crystalclearoptometry.com is delegated to two name servers chan.ns.cloudflare.com and doug.ns.cloudflare.com.

crystalclearoptometry.com shares the same name server setup as other domains, for instance selmanchiropractic.com, hydeparkchiro.com, aiih.net, kannarreyecare.com and freebridgechiro.com.

crystalclearoptometry.com at least partially shares name servers with other domains, for instance telegramingruplari.com, impacta.digital, svg.com.vn, romancealwaysyours.com and bosti.online.

These name servers are commonly used with merlin.ns.cloudflare.com, theo.ns.cloudflare.com and cody.ns.cloudflare.com.

Host names with six IP numbers:

Host name chan.ns.cloudflare.com points to: 2606:4700:50::adf5:3a52, 2803:f800:50::6ca2:c052, 2a06:98c1:50::ac40:2052, 108.162.192.82, 172.64.32.82 and 173.245.58.82.

Host name doug.ns.cloudflare.com points to: 2606:4700:58::adf5:3b9f, 2803:f800:50::6ca2:c19f, 2a06:98c1:50::ac40:219f, 108.162.193.159, 172.64.33.159 and 173.245.59.159.

crystalclearoptometry.com is handled by a single mail server, mx.imatrixbase.com.

crystalclearoptometry.com shares the same mail server setup as other domains, for instance eugenebacktohealthcenter.com, wellsfamilychiropractic.com, heartwoodholistic.com, gulphmillschiro.com and bodyinbalancechiropractic.com.

mx.imatrixbase.com resolves to IP 64.98.38.4.

crystalclearoptometry.com - robtex.com