`exascaletechnology.nl`

DNSSEC	⚠️ Not signed
NS	`dns1.astron.nl` ⚠️ Not in zone NS records
		A	2001:610:9b8:32::28^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
			PTR	`dns1.astron.nl`
		A	195.169.155.28^{🇳🇱 SURFNET-NL195.169.0.0/16 SURFnet CIDR Block VI}
NS	`dns2.astron.nl` ⚠️ Not in zone NS records
		A	2001:610:9b8:510::7^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
		A	145.124.51.7^{🇳🇱 SURFNET-NL145.124.0.0/15 145.124.0.0/15 aggregate}
NS	`ns2.surfnet.nl` ⚠️ Not in zone NS records
		A	2001:610:3:200a:192:87:36:2^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
			PTR	`ns2.surfnet.nl`
		A	192.87.36.2^{🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV}
			PTR	`ns2.surfnet.nl`

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-13 04:30:01 +0000 (EPOCH 1776054601)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-13 #9

Same first word

exascaletechnology.nl

DNS History

8 records (3 active, 5 former)

●NSdns1.astron.nl2016-01-21 → 2026-04-13 · 3 obs

○ 2015-11-03 07:51:40
● 2016-01-21 12:52:06
● 2026-04-13 05:33:02

●NSdns2.astron.nl2016-01-21 → 2026-04-13 · 3 obs

○ 2015-11-03 07:51:40
● 2016-01-21 12:52:06
● 2026-04-13 05:33:02

○NSns1.nfra.nl2015-08-04 → 2016-01-26 · 6 obs

● 2015-08-04 16:34:04
● 2015-11-03 07:51:40
○ 2016-01-21 12:52:06
● 2016-01-26 03:56:12
○ 2016-04-21 07:25:04
○ 2026-04-13 05:33:02

○NSns2.nfra.nl2015-08-04 → 2016-01-26 · 4 obs

● 2015-08-04 16:34:04
● 2016-01-26 03:56:12
○ 2016-04-21 07:25:04
○ 2026-04-13 05:33:02

●NSns2.surfnet.nl2015-08-04 → 2026-04-13 · 2 obs

● 2015-08-04 16:34:04
● 2026-04-13 05:33:02

○MXmsw.nfra.nl2015-08-04 → 2017-04-14 · 4 obs

● 2015-08-04 16:34:04
● 2017-04-14 05:50:06
○ 2026-04-13 05:33:00
○ 2026-04-13 05:33:02

○MXrelay.surfnet.nl2015-08-04 → 2017-04-14 · 4 obs

● 2015-08-04 16:34:04
● 2017-04-14 05:50:06
○ 2026-04-13 05:33:00
○ 2026-04-13 05:33:02

○A192.87.1.42015-08-04 → 2017-04-14 · 4 obs

● 2015-08-04 16:34:04
● 2017-04-14 05:50:06
○ 2026-04-13 05:33:00
○ 2026-04-13 05:33:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns4.dns.nl, ns3.dns.nl, ns1.dns.nl	-
exascaletechnology.nl	ns2.surfnet.nl, dns1.astron.nl, dns2.astron.nl	6 records

✅ Authoritative Response

Server:192.87.36.2

NS records: ns2.surfnet.nl, dns1.astron.nl, dns2.astron.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for exascaletechnology.nl (unsigned zone)

⏱️ Timing

Total: 385ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns2.surfnet.nl, ns2.surfnet.nl, dns1.astron.nl...)

Analysis

Name Servers

exascaletechnology.nl delegates to three name servers: dns1.astron.nl, dns2.astron.nl and ns2.surfnet.nl.

exascaletechnology.nl shares some name servers with other domains, for example student.hhs.nl, fontysow.nl, gridpma.org, workingatsaxion.com and thenewscholar.nl.

these name servers are often used with ns1.surfnet.nl, ns3.surfnet.nl, ns1.zurich.surf.net, arachne.leidenuniv.nl, ns6.eur.nl, ns1.saxion.nl, ns2.saxion.nl, ns1.ssc-campus.nl, ns2.ssc-campus.nl and sscc-ddign-a01p.ddi.ssc-campus.nl.

Host names with two IP numbers:

dns1.astron.nl: 2001:610:9b8:32::28 and 195.169.155.28

dns2.astron.nl: 2001:610:9b8:510::7 and 145.124.51.7

ns2.surfnet.nl: 2001:610:3:200a:192:87:36:2 and 192.87.36.2

exascaletechnology.nl - robtex.com