`knottsoptometry.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:388^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:82be^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.136^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.190^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`magnolia.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26d6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magnolia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`magnolia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`magnolia.ns.cloudflare.com`
		A	108.162.194.214^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magnolia.ns.cloudflare.com`
		A	162.159.38.214^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magnolia.ns.cloudflare.com`
		A	172.64.34.214^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magnolia.ns.cloudflare.com`
NS	`nolan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c38^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nolan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c338^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nolan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2338^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nolan.ns.cloudflare.com`
		A	108.162.195.56^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nolan.ns.cloudflare.com`
		A	162.159.44.56^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nolan.ns.cloudflare.com`
		A	172.64.35.56^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nolan.ns.cloudflare.com`
MX	`ghs.google.com` ⭐
		A	2607:f8b0:4006:823::2013^{🇺🇸 Google2607:f8b0:4006::/48}
			PTR	`lga34s39-in-x13.1e100.net`
			PTR	`pnlgaa-ba-in-x13.1e100.net`
		A	142.251.211.211^{🇺🇸 Google142.251.211.0/24}
			PTR	`pnlgaa-ba-in-f19.1e100.net`
TXT	`google-site-verification=hvoWRqWh9ua7fyv8JDwPxLTuhGvF1XELgCK1z1p_5hw`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.3.136, 172.67.130.190
		IPv6	2606:4700:3033::6815:388, 2606:4700:3033::ac43:82be
SOA	`magnolia.ns.cloudflare.com`dns@cloudflare.com serial=2396724716

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774567098

Same first word

knottsoptometry.org

DNS History

14 records (7 active, 7 former)

●NSmagnolia.ns.cloudflare.com2026-02-16 → 2026-03-26 · 3 obs

○ 2020-03-09 23:29:14
● 2026-02-16 12:44:26
● 2026-03-26 23:38:40

●NSnolan.ns.cloudflare.com2026-02-16 → 2026-03-26 · 3 obs

○ 2020-03-09 23:29:14
● 2026-02-16 12:44:26
● 2026-03-26 23:38:40

○NSns05.domaincontrol.com2015-05-27 → 2020-03-09 · 4 obs

● 2015-05-27 10:33:40
● 2020-03-09 23:29:14
○ 2026-02-16 12:44:26
○ 2026-03-26 23:38:40

○NSns06.domaincontrol.com2015-05-27 → 2020-03-09 · 4 obs

● 2015-05-27 10:33:40
● 2020-03-09 23:29:14
○ 2026-02-16 12:44:26
○ 2026-03-26 23:38:40

●MXghs.google.com2026-02-16 → 2026-03-26 · 3 obs

○ 2020-03-09 23:29:14
● 2026-02-16 12:44:26
● 2026-03-26 23:38:40

○MXmailstore1.secureserver.net2015-05-27 → 2020-03-09 · 4 obs

● 2015-05-27 10:33:40
● 2020-03-09 23:29:14
○ 2026-02-16 12:44:26
○ 2026-03-26 23:38:40

○MXsmtp.secureserver.net2015-05-27 → 2020-03-09 · 4 obs

● 2015-05-27 10:33:40
● 2020-03-09 23:29:14
○ 2026-02-16 12:44:26
○ 2026-03-26 23:38:40

●A104.21.3.1362026-02-16 → 2026-03-26 · 6 obs

○ 2020-03-09 23:29:14
● 2026-02-16 12:44:26
● 2026-02-27 21:35:56
○ 2026-02-27 22:17:50
● 2026-02-28 00:13:28
● 2026-03-26 23:38:40

○A172.64.80.12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-27 21:35:56
● 2026-02-27 22:17:50
○ 2026-02-28 00:13:28
○ 2026-03-26 23:38:40

●A172.67.130.1902026-02-16 → 2026-03-26 · 6 obs

○ 2020-03-09 23:29:14
● 2026-02-16 12:44:26
● 2026-02-27 21:35:56
○ 2026-02-27 22:17:50
● 2026-02-28 00:13:28
● 2026-03-26 23:38:40

○A199.34.228.552015-05-27 → 2020-03-09 · 4 obs

● 2015-05-27 10:33:40
● 2020-03-09 23:29:14
○ 2026-02-16 12:44:26
○ 2026-03-26 23:38:40

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-27 21:35:56
● 2026-02-27 22:17:50
○ 2026-02-28 00:13:28
○ 2026-03-26 23:38:40

●A2606:4700:3033::6815:3882026-02-16 → 2026-03-26 · 6 obs

○ 2020-03-09 23:29:14
● 2026-02-16 12:44:26
● 2026-02-27 21:35:56
○ 2026-02-27 22:17:50
● 2026-02-28 00:13:28
● 2026-03-26 23:38:40

●A2606:4700:3033::ac43:82be2026-02-16 → 2026-03-26 · 6 obs

○ 2020-03-09 23:29:14
● 2026-02-16 12:44:26
● 2026-02-27 21:35:56
○ 2026-02-27 22:17:50
● 2026-02-28 00:13:28
● 2026-03-26 23:38:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	a2.org.afilias-nst.info, b0.org.afilias-nst.org, b2.org.afilias-nst.org, c0.org.afilias-nst.info...	-
knottsoptometry.org	magnolia.ns.cloudflare.com, nolan.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.56

NS records: magnolia.ns.cloudflare.com, nolan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knottsoptometry.org (unsigned zone)

⏱️ Timing

Total: 303ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.130.190, 104.21.3.136`
AAAA	2	`2606:4700:3033::ac43:82be, 2606:4700:3033::6815:388`
NS	2	`magnolia.ns.cloudflare.com, nolan.ns.cloudflare.com`
MX	1	`ghs.google.com (pri: 1200)`
TXT	1	`google-site-verification=hvoWRqWh9ua7fyv`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`magnolia.ns.cloudflare.com dns.cloudflar`

Analysis

IP Addresses

knottsoptometry.org resolves to four IPs: 2606:4700:3033::6815:388, 2606:4700:3033::ac43:82be, 104.21.3.136 and 172.67.130.190.

Other host names such as inroshal.ru, tusdrive.com, lyon.me, tias.fr and more(0x706f726e).club share IP numbers with knottsoptometry.org.

Name Servers

knottsoptometry.org is delegated to two name servers: magnolia.ns.cloudflare.com and nolan.ns.cloudflare.com.

knottsoptometry.org uses the same name server setup as other domains, including firstoffthebike.com, 1drop.digital, toramanmatbaa.com, upgyumri.org and casinoplay.tech.

At least part of the name servers for knottsoptometry.org are shared with other domains, for instance jyzx119.com, bonunuonadvisory.click, wearui.co, aftermarketrep.com and csibally-yyc.com.

These name servers are commonly used alongside donald.ns.cloudflare.com and elliot.ns.cloudflare.com.

Host names with six IP numbers:

magnolia.ns.cloudflare.com points to: 2606:4700:50::a29f:26d6, 2803:f800:50::6ca2:c2d6, 2a06:98c1:50::ac40:22d6, 108.162.194.214, 162.159.38.214 and 172.64.34.214.

nolan.ns.cloudflare.com points to: 2606:4700:58::a29f:2c38, 2803:f800:50::6ca2:c338, 2a06:98c1:50::ac40:2338, 108.162.195.56, 162.159.44.56 and 172.64.35.56.

Mail Servers

The mail server for knottsoptometry.org is ghs.google.com.

knottsoptometry.org uses the same mail server setup as other domains, for instance unimechhealthcare.com, neostxcontent.com, agenpopuler.com, msb-services.com and salviamoilmuseofilangieri.org.

Some mail servers are shared between knottsoptometry.org and other domains, for instance artofactingstudio.com.

Hostname ghs.google.com resolves to two IPs: 2607:f8b0:4006:823::2013 and 142.251.211.211.

knottsoptometry.org - robtex.com