`heard-optical.com`

DNSSEC	⚠️ Not signed
A	63.241.244.23^{🇺🇸 AS39901463.241.244.0/24}
NS	`abbott` ⭐ 🔒
NS	`abbott.essilor.net`
		A	50.84.209.186^{🇺🇸 CBO_IPAM50.84.0.0/16 RR-Route}
			PTR	`syn-050-084-209-186.biz.spectrum.com`
NS	`costello.essilor.net`
		A	4.255.36.178^{🇺🇸 Microsoft4.240.0.0/12 MICROSOFT}
TXT	`v=spf1 -all`
SOA	`abbott`hostmaster@essilorusa.com 2001-11-27 #45

`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=1777123241

Same first word

heard-optical.com

DNS History

4 records (4 active, 0 former)

●NSabbott2026-04-17 → 2026-04-25 · 3 obs

○ 2015-07-20 14:56:58
● 2026-04-17 08:23:56
● 2026-04-25 13:23:36

●NSabbott.essilor.net2015-07-20 → 2026-04-25 · 2 obs

● 2015-07-20 14:56:58
● 2026-04-25 13:23:36

●NScostello.essilor.net2015-07-20 → 2026-04-25 · 2 obs

● 2015-07-20 14:56:58
● 2026-04-25 13:23:36

●A63.241.244.232015-07-20 → 2026-04-25 · 2 obs

● 2015-07-20 14:56:58
● 2026-04-25 13:23:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net...	-
heard-optical.com	abbott.essilor.net, costello.essilor.net	-

✅ Authoritative Response

Server:4.255.36.178

NS records: abbott.essilor.net, costello.essilor.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for heard-optical.com (unsigned zone)

⏱️ Timing

Total: 3031ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`63.241.244.23`
NS	2	`abbott.essilor.net, costello.essilor.net`
TXT	1	`v=spf1 -all`
SOA	1	`abbott hostmaster.essilorusa.com`

Analysis

IP Addresses

heard-optical.com resolves to a single IP address: 63.241.244.23.

Other host names including optical-suppliers.com, essilorpalspro.com, opticalone.com, essilorvision.org and bell-optical.com share IP numbers with heard-optical.com.

Name Servers

heard-optical.com is delegated to three name servers: abbott, abbott.essilor.net and costello.essilor.net.

heard-optical.com at least partially shares name servers with other domains, including essilorsamples.com, myeyecalc.com, optuitive.com, eloawhispersurvey.com and thinkaboutyoureyes.us.

Host names with a single IP:

abbott.essilor.net points to 50.84.209.186.

costello.essilor.net points to 4.255.36.178.

heard-optical.com - robtex.com