`excel2019-training.nl`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:aaf2^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:1ca6^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.166^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.242^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bristol.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:262f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bristol.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bristol.ns.cloudflare.com`
		A	108.162.194.47^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
		A	162.159.38.47^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
		A	172.64.34.47^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
NS	`hugh.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c175^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hugh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2175^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hugh.ns.cloudflare.com`
		A	108.162.193.117^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	172.64.33.117^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	173.245.59.117^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.28.166, 172.67.170.242
		IPv6 hints	2606:4700:3030::ac43:aaf2, 2606:4700:3033::6815:1ca6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com
SOA	`bristol.ns.cloudflare.com`dns@cloudflare.com serial=2408973555

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-07-13 09:00:01 +0000 (EPOCH 1783933201)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-07-13 #18

Same first word

excel2019-training.nl

DNS History

6 records (6 active, 0 former)

●NSbristol.ns.cloudflare.com2026-07-04 → 2026-07-13 · 2 obs

● 2026-07-04 23:40:30
● 2026-07-13 09:59:24

●NShugh.ns.cloudflare.com2026-07-04 → 2026-07-13 · 2 obs

● 2026-07-04 23:40:30
● 2026-07-13 09:59:24

●A104.21.28.1662026-07-04 → 2026-07-13 · 2 obs

● 2026-07-04 23:40:30
● 2026-07-13 09:59:24

●A172.67.170.2422026-07-04 → 2026-07-13 · 2 obs

● 2026-07-04 23:40:30
● 2026-07-13 09:59:24

●A2606:4700:3030::ac43:aaf22026-07-04 → 2026-07-13 · 2 obs

● 2026-07-04 23:40:30
● 2026-07-13 09:59:24

●A2606:4700:3033::6815:1ca62026-07-04 → 2026-07-13 · 2 obs

● 2026-07-04 23:40:30
● 2026-07-13 09:59:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
excel2019-training.nl	hugh.ns.cloudflare.com, bristol.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.47

NS records: hugh.ns.cloudflare.com, bristol.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for excel2019-training.nl (unsigned zone)

⏱️ Timing

Total: 1053ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.28.166, 172.67.170.242`
AAAA	2	`2606:4700:3033::6815:1ca6, 2606:4700:3030::ac43:aaf2`
NS	2	`bristol.ns.cloudflare.com, hugh.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bristol.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

excel2019-training.nl has four IP addresses: 104.21.28.166, 172.67.170.242, 2606:4700:3030::ac43:aaf2 and 2606:4700:3033::6815:1ca6.

covid19.doniaweb.com, grandsbetgirisi.com, www078787.com and two other host names share IP numbers with excel2019-training.nl.

Name Servers

excel2019-training.nl uses two name servers for its delegation: bristol.ns.cloudflare.com and hugh.ns.cloudflare.com.

excel2019-training.nl uses the same name servers as several other domains — among them zetaproducts.net, vakantiestulpje.nl, ko66.casa and two more.

excel2019-training.nl shares at least some of its name servers with other domains, including plexlabcorp.com, vozup.com, calamillor.guru and two others.

These name servers are frequently paired with the name servers lewis.ns.cloudflare.com, dakota.ns.cloudflare.com and alla.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname bristol.ns.cloudflare.com directs to 108.162.194.47, 162.159.38.47 and 172.64.34.47 along with 3 other IP addresses.

Hostname hugh.ns.cloudflare.com directs to 108.162.193.117, 172.64.33.117 and 173.245.59.117 along with 3 other IP addresses.

excel2019-training.nl - robtex.com