`concorpinternational.com`

DNSSEC	🔒 Signed (DS record present)
A	2a00:d880:8:1::106^{🇳🇱 ASN-ROUTELABEL2a00:d880::/32 RouteLabel Route Object}
		PTR	`howard.digiservers.nl`
A	176.56.235.6^{🇳🇱 ASN-ROUTELABEL176.56.224.0/20 RouteLabel Route Object}
NS	`nsauth.myrootnet.com` ⭐
		A	2a0b:3100:200::5^{🇳🇱 AS229272000::/3}
			PTR	`nsauth.myrootnet.com`
		A	81.85.60.5
			PTR	`nsauth.myrootnet.com`
NS	`nsauth.myrootnet.nl`
		A	2a0b:3100:53::10^{🇳🇱 NL-BIT2a0b:3100::/40 Rootnet Managed Servers BIT-2}
		A	185.173.20.5^{🇳🇱 NL-BIT185.173.20.0/22}
			PTR	`nsauth.myrootnet.nl`
TXT	`v=spf1 a mx ip4:176.56.235.6 ip6:2a00:d880:8:1::106 ~all`
SOA	`nsauth.myrootnet.com`root@rootnet.nl 2026-03-26 #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=1774635092

Same first word

concorpinternational.com

DNS History

9 records (4 active, 5 former)

○NSns1.atsc.nl2015-08-02 → 2020-03-07 · 4 obs

● 2015-08-02 10:41:16
● 2020-03-07 16:35:58
○ 2026-03-01 21:52:02
○ 2026-03-27 18:29:50

○NSns2.atsc.nl2015-08-02 → 2020-03-07 · 4 obs

● 2015-08-02 10:41:16
● 2020-03-07 16:35:58
○ 2026-03-01 21:52:02
○ 2026-03-27 18:29:50

○NSns3.atsc.nl2015-08-02 → 2020-03-07 · 4 obs

● 2015-08-02 10:41:16
● 2020-03-07 16:35:58
○ 2026-03-01 21:52:02
○ 2026-03-27 18:29:50

●NSnsauth.myrootnet.com2026-03-01 → 2026-03-27 · 3 obs

○ 2020-03-07 16:35:58
● 2026-03-01 21:52:02
● 2026-03-27 18:29:50

●NSnsauth.myrootnet.nl2026-03-01 → 2026-03-27 · 3 obs

○ 2020-03-07 16:35:58
● 2026-03-01 21:52:02
● 2026-03-27 18:29:50

○MXmail.concorpinternational.com2015-08-02 → 2020-03-07 · 4 obs

● 2015-08-02 10:41:16
● 2020-03-07 16:35:58
○ 2026-03-01 21:52:02
○ 2026-03-27 18:29:50

●A176.56.235.62026-03-01 → 2026-03-27 · 3 obs

○ 2020-03-07 16:35:58
● 2026-03-01 21:52:02
● 2026-03-27 18:29:50

●A2a00:d880:8:1::1062026-03-01 → 2026-03-27 · 3 obs

○ 2020-03-07 16:35:58
● 2026-03-01 21:52:02
● 2026-03-27 18:29:50

○A84.244.151.352015-08-02 → 2020-03-07 · 4 obs

● 2015-08-02 10:41:16
● 2020-03-07 16:35:58
○ 2026-03-01 21:52:02
○ 2026-03-27 18:29:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net...	-
concorpinternational.com	nsauth.myrootnet.nl, nsauth.myrootnet.com	2 records

✅ Authoritative Response

Server:81.85.60.5

NS records: nsauth.myrootnet.nl, nsauth.myrootnet.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 691ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.56.235.6`
AAAA	1	`2a00:d880:8:1::106`
NS	2	`nsauth.myrootnet.nl, nsauth.myrootnet.com`
TXT	1	`v=spf1 a mx ip4:176.56.235.6 ip6:2a00:d8`
SOA	1	`nsauth.myrootnet.com root.rootnet.nl`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (nsauth.myrootnet.com, nsauth.myrootnet.com)

Analysis

IP Addresses

concorpinternational.com points to two IP numbers: 2a00:d880:8:1::106 and 176.56.235.6.

Other host names such as oldtimers.se, www.duivestein-techniek.com, fallback.concorp.nl, nedan.nl and mail.heksehyl.nl share IP numbers with concorpinternational.com.

Name Servers

concorpinternational.com is delegated to two name servers: nsauth.myrootnet.com and nsauth.myrootnet.nl.

concorpinternational.com uses the same name server setup as other domains, including fysiotherapiedeaam.nl, cts-nl.eu, springpackaging.nl, autodrop.mobi and japanfestival.nl.

concorpinternational.com shares some name servers with other domains, for example stelling-specialisten.com.

Host names with two IP numbers:

nsauth.myrootnet.com points to 2a0b:3100:200::5 and 81.85.60.5.

nsauth.myrootnet.nl points to 2a0b:3100:53::10 and 185.173.20.5.

concorpinternational.com - robtex.com