`qualitycontactlens.com`

DNSSEC	⚠️ Not signed
A	52.18.59.124^{🇮🇪 Amazon52.18.0.0/15 EC2 DUB prefix}
		PTR	`ec2-52-18-59-124.eu-west-1.compute.amazonaws.com`
NS	`dns2.technorail.com` ⭐
		A	2a00:6d42:3:2096::f:1^{🇮🇹 ARUBA-ASN2a00:6d42::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns2.technorail.com`
		A	95.110.136.8^{🇮🇹 ARUBA-ASN95.110.136.0/21 Aruba S.p.A. Network}
			PTR	`dns2.technorail.com`
NS	`dns.technorail.com`
		A	2a00:6d40:2:2082::f:1^{🇮🇹 ARUBA-ASN2a00:6d40::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns.technorail.com`
		A	94.177.210.13^{🇮🇹 ARUBA-ASN94.177.208.0/22 Aruba S.p.A. Network}
			PTR	`dns.technorail.com`
NS	`dns3.arubadns.net`
		A	2a00:6d41:3:206e::f:1^{🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns3.arubadns.net`
		A	95.110.220.5^{🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network}
			PTR	`dns3.arubadns.net`
NS	`dns4.arubadns.cz`
		A	2001:15e8:104:4::d8ee^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`dns4.arubadns.cz`
		A	81.2.216.238^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`dns4.arubadns.cz`
MX	`mx.qualitycontactlens.com` ⭐
		A	52.18.59.124^{🇮🇪 Amazon52.18.0.0/15 EC2 DUB prefix}
			PTR	`ec2-52-18-59-124.eu-west-1.compute.amazonaws.com`
SOA	`dns.technorail.com`hostmaster@qualitycontactlens.com 2026-05-19 #3

`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=1784456562

⚠️ On DNS blocklist: multi, pro, pro.plus, tif, ultimate

Subdomains

mx.qualitycontactlens.com

www.qualitycontactlens.com

Same first word

qualitycontactlens.com

DNS History

16 records (6 active, 10 former)

●NSdns.technorail.com2026-05-20 → 2026-07-19 · 3 obs

○ 2017-05-26 11:26:24
● 2026-05-20 03:56:46
● 2026-07-19 10:29:02

●NSdns2.technorail.com2026-05-20 → 2026-07-19 · 3 obs

○ 2017-05-26 11:26:24
● 2026-05-20 03:56:46
● 2026-07-19 10:29:02

●NSdns3.arubadns.net2026-05-20 → 2026-07-19 · 3 obs

○ 2017-05-26 11:26:24
● 2026-05-20 03:56:46
● 2026-07-19 10:29:02

●NSdns4.arubadns.cz2026-05-20 → 2026-07-19 · 3 obs

○ 2017-05-26 11:26:24
● 2026-05-20 03:56:46
● 2026-07-19 10:29:02

○NSns09.domaincontrol.com2015-06-22 → 2017-05-26 · 4 obs

● 2015-06-22 03:49:16
● 2017-05-26 11:26:24
○ 2026-05-20 03:56:46
○ 2026-07-19 10:29:02

○NSns10.domaincontrol.com2015-06-22 → 2017-05-26 · 4 obs

● 2015-06-22 03:49:16
● 2017-05-26 11:26:24
○ 2026-05-20 03:56:46
○ 2026-07-19 10:29:02

○NSpark10.secureserver.net2017-05-26 → 2017-05-26 · 4 obs

○ 2015-06-22 03:49:16
● 2017-05-26 11:26:24
○ 2026-05-20 03:56:46
○ 2026-07-19 10:29:02

○NSpark9.secureserver.net2017-05-26 → 2017-05-26 · 4 obs

○ 2015-06-22 03:49:16
● 2017-05-26 11:26:24
○ 2026-05-20 03:56:46
○ 2026-07-19 10:29:02

○MXalt1.aspmx.l.google.com2015-06-22 → 2017-05-26 · 4 obs

● 2015-06-22 03:49:16
● 2017-05-26 11:26:24
○ 2026-05-20 03:56:46
○ 2026-07-19 10:29:02

○MXalt2.aspmx.l.google.com2015-06-22 → 2017-05-26 · 4 obs

● 2015-06-22 03:49:16
● 2017-05-26 11:26:24
○ 2026-05-20 03:56:46
○ 2026-07-19 10:29:02

○MXaspmx.l.google.com2015-06-22 → 2017-05-26 · 4 obs

● 2015-06-22 03:49:16
● 2017-05-26 11:26:24
○ 2026-05-20 03:56:46
○ 2026-07-19 10:29:02

○MXaspmx2.googlemail.com2015-06-22 → 2017-05-26 · 4 obs

● 2015-06-22 03:49:16
● 2017-05-26 11:26:24
○ 2026-05-20 03:56:46
○ 2026-07-19 10:29:02

○MXaspmx3.googlemail.com2015-06-22 → 2017-05-26 · 4 obs

● 2015-06-22 03:49:16
● 2017-05-26 11:26:24
○ 2026-05-20 03:56:46
○ 2026-07-19 10:29:02

●MXmx.qualitycontactlens.com2026-05-20 → 2026-07-19 · 3 obs

○ 2017-05-26 11:26:24
● 2026-05-20 03:56:46
● 2026-07-19 10:29:02

○A50.63.202.332015-06-22 → 2017-05-26 · 4 obs

● 2015-06-22 03:49:16
● 2017-05-26 11:26:24
○ 2026-05-20 03:56:46
○ 2026-07-19 10:29:02

●A52.18.59.1242026-05-20 → 2026-07-19 · 3 obs

○ 2017-05-26 11:26:24
● 2026-05-20 03:56:46
● 2026-07-19 10:29:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
qualitycontactlens.com	dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz, dns3.arubadns.net	4 records

✅ Authoritative Response

Server:95.110.220.5

NS records: dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz, dns3.arubadns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qualitycontactlens.com (unsigned zone)

⏱️ Timing

Total: 868ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.18.59.124`
NS	4	`dns4.arubadns.cz, dns.technorail.com...`
MX	1	`mx.qualitycontactlens.com (pri: 10)`
SOA	1	`dns.technorail.com hostmaster.qualitycon`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns2.technorail.com, dns2.technorail.com, dns.technorail.com...)

Analysis

Hierarchy

mx.qualitycontactlens.com and www.qualitycontactlens.com are both subdomains of qualitycontactlens.com.

IP Addresses

qualitycontactlens.com resolves to one IP address: 52.18.59.124.

mx.mostroweb.it, wilsonequine.com, vivalamusica.es and two other host names share IP numbers with qualitycontactlens.com.

Name Servers

The authoritative name servers for qualitycontactlens.com are dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net.

At least some of qualitycontactlens.com's name servers are shared with other domains, for example globcompsas.com, ayci.it, dottrinasociale.it and two more.

Four hostnames, each resolving to a pair of IP addresses: dns2.technorail.com directs to 95.110.136.8 and 2a00:6d42:3:2096::f:1; dns.technorail.com directs to 94.177.210.13 and 2a00:6d40:2:2082::f:1; dns4.arubadns.cz directs to 81.2.216.238 and 2001:15e8:104:4::d8ee; dns3.arubadns.net directs to 95.110.220.5 and 2a00:6d41:3:206e::f:1.

Mail Servers

Mail for qualitycontactlens.com is handled by a single mail server, mx.qualitycontactlens.com.

mx.qualitycontactlens.com carries a single IP number, which is 52.18.59.124.

qualitycontactlens.com - robtex.com