`duocollection.com`

DNSSEC	⚠️ Not signed
A	2.57.91.91^{🇺🇸 IIHOS0012.57.91.0/24 HOSTINGER-CDN}
NS	`ns1.dns-parking.com` ⭐
		A	2400:cb00:2049:1::a29f:18c9^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.201^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dns-parking.com`
NS	`ns2.dns-parking.com`
		A	2400:cb00:2049:1::a29f:192a^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.25.42^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dns-parking.com`
MX	`mail1.duocollection.com` ⭐
		A	85.16.65.244^{🇩🇪 EWETEL85.16.0.0/16 DE-EWETEL-20050307}
			PTR	`mail.duocollection.com`
MX	`mail.duocollection.com`⁽²⁰⁾
		A	80.228.77.2^{🇩🇪 EWETEL80.228.0.0/16 DE-EWETEL-20011218}
			PTR	`mail.duocollection.com`
TXT	`v=spf1 mx ~all`
SOA	`ns1.dns-parking.com`dns@hostinger.com 2026-03-19 #1

`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

Subdomains

mail1.duocollection.com

mail.duocollection.com

Same first word

duocollection.com

duocollection.de

DNS History

21 records (5 active, 16 former)

○NSns.second-ns.com2026-02-25 → 2026-03-19 · 2 obs

○ 2026-02-25 07:26:26
○ 2026-03-19 11:27:22

●NSns1.dns-parking.com2026-02-25 → 2026-03-19 · 3 obs

○ 2018-10-17 11:05:32
● 2026-02-25 07:26:26
● 2026-03-19 11:27:22

○NSns1.your-server.de2026-02-25 → 2026-03-19 · 2 obs

○ 2026-02-25 07:26:26
○ 2026-03-19 11:27:22

○NSns1017.ui-dns.biz2018-10-17 → 2018-10-17 · 4 obs

○ 2017-02-10 19:41:06
● 2018-10-17 11:05:32
○ 2026-02-25 07:26:26
○ 2026-03-19 11:27:22

○NSns1017.ui-dns.com2018-10-17 → 2018-10-17 · 4 obs

○ 2017-02-10 19:41:06
● 2018-10-17 11:05:32
○ 2026-02-25 07:26:26
○ 2026-03-19 11:27:22

○NSns1017.ui-dns.de2018-10-17 → 2018-10-17 · 4 obs

○ 2017-02-10 19:41:06
● 2018-10-17 11:05:32
○ 2026-02-25 07:26:26
○ 2026-03-19 11:27:22

○NSns1017.ui-dns.org2018-10-17 → 2018-10-17 · 4 obs

○ 2017-02-10 19:41:06
● 2018-10-17 11:05:32
○ 2026-02-25 07:26:26
○ 2026-03-19 11:27:22

●NSns2.dns-parking.com2026-02-25 → 2026-03-19 · 3 obs

○ 2018-10-17 11:05:32
● 2026-02-25 07:26:26
● 2026-03-19 11:27:22

○NSns3.second-ns.de2026-02-25 → 2026-03-19 · 2 obs

○ 2026-02-25 07:26:26
○ 2026-03-19 11:27:22

○NSns65.1und1.de2015-07-11 → 2017-02-10 · 4 obs

● 2015-07-11 14:44:16
● 2017-02-10 19:41:06
○ 2018-10-17 11:05:32
○ 2026-03-19 11:27:22

○NSns66.1und1.de2015-07-11 → 2017-02-10 · 4 obs

● 2015-07-11 14:44:16
● 2017-02-10 19:41:06
○ 2018-10-17 11:05:32
○ 2026-03-19 11:27:22

●MXmail.duocollection.com2026-02-25 → 2026-03-19 · 3 obs

○ 2018-10-17 11:05:32
● 2026-02-25 07:26:26
● 2026-03-19 11:27:22

●MXmail1.duocollection.com2026-02-25 → 2026-03-19 · 3 obs

○ 2018-10-17 11:05:32
● 2026-02-25 07:26:26
● 2026-03-19 11:27:22

○MXmx00.kundenserver.de2015-07-11 → 2018-10-17 · 4 obs

● 2015-07-11 14:44:16
● 2018-10-17 11:05:32
○ 2026-02-25 07:26:26
○ 2026-03-19 11:27:22

○MXmx01.kundenserver.de2015-07-11 → 2018-10-17 · 4 obs

● 2015-07-11 14:44:16
● 2018-10-17 11:05:32
○ 2026-02-25 07:26:26
○ 2026-03-19 11:27:22

●A2.57.91.912026-03-07 → 2026-03-19 · 3 obs

○ 2026-02-25 07:26:26
● 2026-03-07 16:16:38
● 2026-03-19 11:27:22

○A217.160.0.332018-10-17 → 2018-10-17 · 4 obs

○ 2017-02-10 19:41:06
● 2018-10-17 11:05:32
○ 2026-02-25 07:26:26
○ 2026-03-19 11:27:22

○A217.160.231.2212016-05-04 → 2017-02-10 · 5 obs

○ 2016-02-11 13:27:00
● 2016-05-04 02:42:14
● 2017-02-10 19:41:06
○ 2018-10-17 11:05:32
○ 2026-03-19 11:27:22

○A5.75.235.2282026-02-25 → 2026-03-19 · 2 obs

○ 2026-02-25 07:26:26
○ 2026-03-19 11:27:22

○A82.165.109.1622015-07-11 → 2016-02-11 · 4 obs

● 2015-07-11 14:44:16
● 2016-02-11 13:27:00
○ 2016-05-04 02:42:14
○ 2026-03-19 11:27:22

○A84.32.84.322026-02-25 → 2026-02-25 · 4 obs

○ 2018-10-17 11:05:32
● 2026-02-25 07:26:26
○ 2026-03-07 16:16:38
○ 2026-03-19 11:27:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
duocollection.com	ns1.dns-parking.com, ns2.dns-parking.com	4 records

✅ Authoritative Response

Server: 162.159.25.42

NS records: ns1.dns-parking.com, ns2.dns-parking.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duocollection.com (unsigned zone)

⏱️ Timing

Total: 422ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`2.57.91.91`
NS	2	`ns2.dns-parking.com, ns1.dns-parking.com`
MX	2	`mail1.duocollection.com (pri: 20), mail.duocollection.com (pri: 10)`
TXT	1	`v=spf1 mx ~all`
SOA	1	`ns1.dns-parking.com dns.hostinger.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dns-parking.com, ns1.dns-parking.com, ns2.dns-parking.com...)

Analysis

Hierarchy

duocollection.com is a parent of mail1.duocollection.com and mail.duocollection.com.

IP Addresses

duocollection.com points to IP number 2.57.91.91.

For instance, other host names strobesync.com, webserv.app, muphred.com, stgd.nl and myindianliving.com share IP numbers with duocollection.com.

Name Servers

duocollection.com is delegated to two name servers: ns1.dns-parking.com and ns2.dns-parking.com.

duocollection.com uses the same name server setup as other domains such as prestigeprovisions.com, joaosergio.com, badlapurproperty.com, barqee.com and pepiko.com.

duocollection.com shares name servers with other domains at least partially, for instance pharmapacking.com and carteirinhadoestudante.org.

Host names with two IP numbers:

ns1.dns-parking.com points to 2400:cb00:2049:1::a29f:18c9 and 162.159.24.201; ns2.dns-parking.com points to 2400:cb00:2049:1::a29f:192a and 162.159.25.42.

Mail Servers

Two mail servers mail1.duocollection.com and mail.duocollection.com handle duocollection.com.

duocollection.com uses the same mail server setup as other domains like duocollection.de and duo-collection.com.

Host names with one IP number:

mail1.duocollection.com points to: 85.16.65.244.

mail.duocollection.com points to: 80.228.77.2.

duocollection.com - robtex.com