`web21.thirdwave.nl`

DNSSEC	⚠️ Not signed
A	90.145.32.181^{🇳🇱 Eurofiber-UNET90.145.0.0/16}
		PTR	`90-145-32-181.network.unet.nl`

`thirdwave.nl`

	DNSSEC	🔒 Signed (DS record present)
	A	85.158.207.187^{🇳🇱 CYSO-AS85.158.200.0/21 Cyso Hosting B.V. Block}
	NS	`ns1.sqr.nl` ⭐
	NS	`ns2.sqr.domains`
	NS	`ns3.sqr.cloud`
	MX	`thirdwave-nl.mail.protection.outlook.com` ⭐
	TXT	`google-site-verification=noAPJmpzKqmMvgVoVhoklmmKseVq1AN0gZ5cJ6DBm9A`
	TXT	`atlassian-domain-verification=p/lyZL1W42vyxN9oBi2bpyylGhhCp09e6EDPergUV6Fd4f2...`
	TXT	`postal-verification bLNZMdltByi4qFrvh2sBnkoUsXCNH07P`
	TXT	`v=spf1 mx a include:_spf.exsilia.net include:spf.sqr.nl include:spf.flowmaile...`
	SOA	`ns1.sqr.nl`hostmaster@thirdwave.nl 2026-03-20 #0

PTR for

32.175.247.80.in-addr.arpa

Same first word

web21.com

web21.jp

web21.it

web21.sk

web21.fr

web21.org

web21.eu

web21.net

web21.de

web21.pl

Similar names

web12.cn

web12.eu

web12.com.es

12web.nl

21web.co.kr

web12.org

web12.com

web12.net

web12.de

21web.net

web12.ro

21web.ru

21web.fr

bwe21.com

12web.net

21ebw.com

web12.ru

web12.cz

21web.com

12web.com

DNS History

2 records (1 active, 1 former)

○A80.247.175.322015-06-05 → 2017-09-09 · 3 obs

● 2015-06-05 17:14:48
● 2017-09-09 05:59:18
○ 2026-03-27 16:50:12

●A90.145.32.1812026-03-27 → 2026-03-27 · 2 obs

○ 2017-09-09 05:59:18
● 2026-03-27 16:50:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
thirdwave.nl	ns1.sqr.nl, ns2.sqr.domains, ns3.sqr.cloud	-

✅ Authoritative Response

Server:109.235.73.236

NS records: ns1.sqr.nl, ns2.sqr.domains, ns3.sqr.cloud

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 865ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`90.145.32.181`

Analysis

IP Addresses

web21.thirdwave.nl points to a single IP number: 90.145.32.181.

Other host names, for instance mx.thirdwave.nl and mail.thirdwave.nl, share IP numbers with web21.thirdwave.nl.

web21.thirdwave.nl - robtex.com