`edusom.nl`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:2e8e^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8b9d^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.142^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.157^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sierra.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26f5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sierra.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sierra.ns.cloudflare.com`
		A	108.162.194.245^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
		A	162.159.38.245^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
		A	172.64.34.245^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
NS	`tom.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b93^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c193^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tom.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2193^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tom.ns.cloudflare.com`
		A	108.162.193.147^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	172.64.33.147^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	173.245.59.147^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.142, 172.67.139.157
		IPv6 hints	2606:4700:3036::6815:2e8e, 2606:4700:3037::ac43:8b9d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=41, name=cloudflare-ech.com
SOA	`sierra.ns.cloudflare.com`dns@cloudflare.com serial=2409485522

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-07-14 21:30:01 +0000 (EPOCH 1784064601)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-07-14 #43

Same first word

edusom.nl

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DNS History

16 records (6 active, 10 former)

○NSns1.2bhosted.eu2016-04-18 → 2017-07-25 · 5 obs

○ 2016-02-05 17:24:18
● 2016-04-18 19:28:54
● 2017-07-25 22:01:42
○ 2026-04-08 00:23:36
○ 2026-07-14 22:40:42

○NSns1.uhost.nl2015-07-10 → 2016-02-05 · 4 obs

● 2015-07-10 03:49:08
● 2016-02-05 17:24:18
○ 2016-04-18 19:28:54
○ 2026-07-14 22:40:42

○NSns2.2bhosted.eu2016-04-18 → 2017-07-25 · 5 obs

○ 2016-02-05 17:24:18
● 2016-04-18 19:28:54
● 2017-07-25 22:01:42
○ 2026-04-08 00:23:36
○ 2026-07-14 22:40:42

○NSns2.uhost.nl2015-07-10 → 2016-02-05 · 4 obs

● 2015-07-10 03:49:08
● 2016-02-05 17:24:18
○ 2016-04-18 19:28:54
○ 2026-07-14 22:40:42

○NSns3.2bhosted.net2016-04-18 → 2017-07-25 · 5 obs

○ 2016-02-05 17:24:18
● 2016-04-18 19:28:54
● 2017-07-25 22:01:42
○ 2026-04-08 00:23:36
○ 2026-07-14 22:40:42

○NSns3.uhost.be2015-07-10 → 2016-02-05 · 4 obs

● 2015-07-10 03:49:08
● 2016-02-05 17:24:18
○ 2016-04-18 19:28:54
○ 2026-07-14 22:40:42

●NSsierra.ns.cloudflare.com2026-06-13 → 2026-07-14 · 3 obs

○ 2026-04-08 00:23:36
● 2026-06-13 07:31:02
● 2026-07-14 22:40:42

●NStom.ns.cloudflare.com2026-06-13 → 2026-07-14 · 3 obs

○ 2026-04-08 00:23:36
● 2026-06-13 07:31:02
● 2026-07-14 22:40:42

○MXmail.edusom.nl2015-07-10 → 2017-07-25 · 4 obs

● 2015-07-10 03:49:08
● 2017-07-25 22:01:42
○ 2026-04-08 00:23:36
○ 2026-07-14 22:40:42

●A104.21.46.1422026-06-13 → 2026-07-14 · 3 obs

○ 2026-04-08 00:23:36
● 2026-06-13 07:31:02
● 2026-07-14 22:40:42

○A128.204.197.352015-07-10 → 2017-07-25 · 4 obs

● 2015-07-10 03:49:08
● 2017-07-25 22:01:42
○ 2026-04-08 00:23:36
○ 2026-07-14 22:40:42

●A172.67.139.1572026-06-13 → 2026-07-14 · 3 obs

○ 2026-04-08 00:23:36
● 2026-06-13 07:31:02
● 2026-07-14 22:40:42

●A2606:4700:3036::6815:2e8e2026-06-21 → 2026-07-14 · 3 obs

○ 2026-06-17 14:59:46
● 2026-06-21 13:51:44
● 2026-07-14 22:40:42

○A2606:4700:3036::ac43:8b9d2026-06-13 → 2026-06-17 · 5 obs

○ 2026-04-08 00:23:36
● 2026-06-13 07:31:02
● 2026-06-17 14:59:46
○ 2026-06-21 13:51:44
○ 2026-07-14 22:40:42

○A2606:4700:3037::6815:2e8e2026-06-13 → 2026-06-17 · 5 obs

○ 2026-04-08 00:23:36
● 2026-06-13 07:31:02
● 2026-06-17 14:59:46
○ 2026-06-21 13:51:44
○ 2026-07-14 22:40:42

●A2606:4700:3037::ac43:8b9d2026-06-21 → 2026-07-14 · 3 obs

○ 2026-06-17 14:59:46
● 2026-06-21 13:51:44
● 2026-07-14 22:40:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns4.dns.nl, ns1.dns.nl, ns3.dns.nl	-
edusom.nl	sierra.ns.cloudflare.com, tom.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.245

NS records: sierra.ns.cloudflare.com, tom.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for edusom.nl (unsigned zone)

⏱️ Timing

Total: 260ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.46.142, 172.67.139.157`
AAAA	2	`2606:4700:3037::ac43:8b9d, 2606:4700:3036::6815:2e8e`
NS	2	`sierra.ns.cloudflare.com, tom.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sierra.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

edusom.nl resolves to four IP addresses: 104.21.46.142, 172.67.139.157, 2606:4700:3036::6815:2e8e and 2606:4700:3037::ac43:8b9d.

canadianrsanetwork.com, qualityhomeaircare.com, de-casinos-online.de and two other host names share IP numbers with edusom.nl.

Name Servers

edusom.nl uses two name servers for its delegation: sierra.ns.cloudflare.com and tom.ns.cloudflare.com.

edusom.nl uses the same name servers as several other domains — among them upsurgeacademy.io, nextify.me, bdokalchini.in and two more.

edusom.nl has at least partial name server overlap with other domains, such as cool2025pd.com, skyprephq.com, trustivity.com and two others.

It is common to find these name servers paired with the name servers kia.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname sierra.ns.cloudflare.com directs to 108.162.194.245, 162.159.38.245 and 172.64.34.245 along with 3 other IP addresses.

Hostname tom.ns.cloudflare.com directs to 108.162.193.147, 172.64.33.147 and 173.245.59.147 along with 3 other IP addresses.

edusom.nl - robtex.com

edusom.nl

nl

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`edusom.nl`

`nl`