computingscience.nl - dns.ninja

`computingscience.nl`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:1bf5^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:8fae^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.245^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.174^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`addilyn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26d9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`addilyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`addilyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`addilyn.ns.cloudflare.com`
		A	108.162.194.217^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.38.217^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.217^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`beau.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b49^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beau.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c149^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`beau.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2149^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`beau.ns.cloudflare.com`
		A	108.162.193.73^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beau.ns.cloudflare.com`
		A	172.64.33.73^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beau.ns.cloudflare.com`
		A	173.245.59.73^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beau.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.245, 172.67.143.174
		IPv6 hints	2606:4700:3033::6815:1bf5, 2606:4700:3034::ac43:8fae
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=203, name=cloudflare-ech.com
SOA	`addilyn.ns.cloudflare.com`dns@cloudflare.com serial=2409531595

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-07-22 01:00:02 +0000 (EPOCH 1784682002)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-07-22 #2

WOT: SAFE (61/100)

Same first word

computingscience.nl

Similar names

sciencecomputing.com

DNS History

11 records (6 active, 5 former)

●NSaddilyn.ns.cloudflare.com2026-04-26 → 2026-07-22 · 3 obs

○ 2026-02-17 23:29:52
● 2026-04-26 13:38:40
● 2026-07-22 02:01:28

○NSaustralie.net.uu.nl2015-06-03 → 2017-04-05 · 7 obs

● 2015-06-03 20:20:08
○ 2015-10-20 14:18:20
○ 2016-01-04 04:37:28
● 2016-04-02 21:18:36
● 2017-04-05 03:19:54
○ 2026-02-17 23:29:52
○ 2026-07-22 02:01:28

○NSazie.net.uu.nl2015-06-03 → 2017-04-05 · 6 obs

● 2015-06-03 20:20:08
● 2016-01-04 04:37:28
○ 2016-04-02 21:18:36
● 2017-04-05 03:19:54
○ 2026-02-17 23:29:52
○ 2026-07-22 02:01:28

●NSbeau.ns.cloudflare.com2026-04-26 → 2026-07-22 · 3 obs

○ 2026-02-17 23:29:52
● 2026-04-26 13:38:40
● 2026-07-22 02:01:28

●A104.21.27.2452026-04-26 → 2026-07-22 · 3 obs

○ 2026-02-17 23:29:52
● 2026-04-26 13:38:40
● 2026-07-22 02:01:28

○A131.211.84.1882015-06-03 → 2017-04-05 · 4 obs

● 2015-06-03 20:20:08
● 2017-04-05 03:19:54
○ 2026-02-17 23:29:52
○ 2026-07-22 02:01:28

●A172.67.143.1742026-04-26 → 2026-07-22 · 3 obs

○ 2026-02-17 23:29:52
● 2026-04-26 13:38:40
● 2026-07-22 02:01:28

●A2606:4700:3033::6815:1bf52026-07-14 → 2026-07-22 · 3 obs

○ 2026-06-14 22:46:52
● 2026-07-14 05:27:20
● 2026-07-22 02:01:28

○A2606:4700:3033::ac43:8fae2026-04-26 → 2026-06-14 · 5 obs

○ 2026-02-17 23:29:52
● 2026-04-26 13:38:40
● 2026-06-14 22:46:52
○ 2026-07-14 05:27:20
○ 2026-07-22 02:01:28

●A2606:4700:3034::ac43:8fae2026-07-14 → 2026-07-22 · 3 obs

○ 2026-06-14 22:46:52
● 2026-07-14 05:27:20
● 2026-07-22 02:01:28

○A2606:4700:3037::6815:1bf52026-04-26 → 2026-06-14 · 5 obs

○ 2026-02-17 23:29:52
● 2026-04-26 13:38:40
● 2026-06-14 22:46:52
○ 2026-07-14 05:27:20
○ 2026-07-22 02:01:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
computingscience.nl	beau.ns.cloudflare.com, addilyn.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.73

NS records: beau.ns.cloudflare.com, addilyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computingscience.nl (unsigned zone)

⏱️ Timing

Total: 406ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.27.245, 172.67.143.174`
AAAA	2	`2606:4700:3034::ac43:8fae, 2606:4700:3033::6815:1bf5`
NS	2	`addilyn.ns.cloudflare.com, beau.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`addilyn.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

computingscience.nl has four IP addresses: 104.21.27.245, 172.67.143.174, 2606:4700:3033::6815:1bf5 and 2606:4700:3034::ac43:8fae.

ca.horny(0x77686f7265)s.net, clicks.horny(0x77686f7265)s.net, 74.86.111.8-static.reverse.horny(0x77686f7265)s.net and two other host names share IP numbers with computingscience.nl.

Name Servers

computingscience.nl has two authoritative name servers — addilyn.ns.cloudflare.com and beau.ns.cloudflare.com.

computingscience.nl uses the same name servers as several other domains — among them boxofballoons.org, pharmacie-du-sport.com, combishop.dk and two more.

computingscience.nl partially shares its NS delegation with several other domains, including kadinband.org, 1slimnica.lv, pn-banjarmasin.com and two others.

These name servers are regularly seen alongside doug.ns.cloudflare.com and aida.ns.cloudflare.com as name servers.

Hostnames that resolve to 6 IP addresses:

addilyn.ns.cloudflare.com points to 108.162.194.217, 162.159.38.217, 172.64.34.217 and 3 other IP addresses.

beau.ns.cloudflare.com points to 108.162.193.73, 172.64.33.73, 173.245.59.73 and 3 other IP addresses.