`experten-check.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:3fef^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:ad1c^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.63.239^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.173.28^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`asa.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`asa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`asa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`asa.ns.cloudflare.com`
		A	108.162.192.246^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`asa.ns.cloudflare.com`
		A	172.64.32.246^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`asa.ns.cloudflare.com`
		A	173.245.58.246^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`asa.ns.cloudflare.com`
NS	`curt.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`curt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`curt.ns.cloudflare.com`
		A	108.162.193.94^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	172.64.33.94^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	173.245.59.94^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.63.239, 172.67.173.28
		IPv6 hints	2606:4700:3032::6815:3fef, 2606:4700:3033::ac43:ad1c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=61, name=cloudflare-ech.com
SOA	`asa.ns.cloudflare.com`dns@cloudflare.com serial=2410064497

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785207782

Same first word

experten-check.com

experten-check.net

experten-check.de

DNS History

10 records (6 active, 4 former)

●NSasa.ns.cloudflare.com2026-07-17 → 2026-07-28 · 3 obs

○ 2018-11-03 13:24:52
● 2026-07-17 03:59:12
● 2026-07-28 03:33:12

●NScurt.ns.cloudflare.com2026-07-17 → 2026-07-28 · 3 obs

○ 2018-11-03 13:24:52
● 2026-07-17 03:59:12
● 2026-07-28 03:33:12

○NSns5.kasserver.com2018-11-03 → 2018-11-03 · 3 obs

● 2018-11-03 13:24:52
○ 2026-07-17 03:59:12
○ 2026-07-28 03:33:12

○NSns6.kasserver.com2018-11-03 → 2018-11-03 · 3 obs

● 2018-11-03 13:24:52
○ 2026-07-17 03:59:12
○ 2026-07-28 03:33:12

○MXw017a85a.kasserver.com2018-11-03 → 2018-11-03 · 3 obs

● 2018-11-03 13:24:52
○ 2026-07-17 03:59:12
○ 2026-07-28 03:33:12

●A104.21.63.2392026-07-17 → 2026-07-28 · 3 obs

○ 2018-11-03 13:24:52
● 2026-07-17 03:59:12
● 2026-07-28 03:33:12

●A172.67.173.282026-07-17 → 2026-07-28 · 3 obs

○ 2018-11-03 13:24:52
● 2026-07-17 03:59:12
● 2026-07-28 03:33:12

●A2606:4700:3032::6815:3fef2026-07-17 → 2026-07-28 · 3 obs

○ 2018-11-03 13:24:52
● 2026-07-17 03:59:12
● 2026-07-28 03:33:12

●A2606:4700:3033::ac43:ad1c2026-07-17 → 2026-07-28 · 3 obs

○ 2018-11-03 13:24:52
● 2026-07-17 03:59:12
● 2026-07-28 03:33:12

○A85.13.128.1062018-11-03 → 2018-11-03 · 3 obs

● 2018-11-03 13:24:52
○ 2026-07-17 03:59:12
○ 2026-07-28 03:33:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
experten-check.com	curt.ns.cloudflare.com, asa.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.94

NS records: curt.ns.cloudflare.com, asa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for experten-check.com (unsigned zone)

⏱️ Timing

Total: 1076ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.173.28, 104.21.63.239`
AAAA	2	`2606:4700:3033::ac43:ad1c, 2606:4700:3032::6815:3fef`
NS	2	`asa.ns.cloudflare.com, curt.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`asa.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (curt.ns.cloudflare.com, curt.ns.cloudflare.com, curt.ns.cloudflare.com...)

Analysis

IP Addresses

experten-check.com points to the four IP addresses 104.21.63.239, 172.67.173.28, 2606:4700:3032::6815:3fef and 2606:4700:3033::ac43:ad1c.

Two other host names, along with www.abone.lv, creativdesigner.de and protecnicos.com, also share IP numbers with experten-check.com.

Name Servers

DNS delegation for experten-check.com points to two name servers: asa.ns.cloudflare.com and curt.ns.cloudflare.com.

experten-check.com shares its NS records with other domains, for example frogstorm.com, zapcointernational.com, vyzon.net and two others.

At least some of experten-check.com's name servers are shared with other domains, for example icsemaths.in, h2-developpement.fr, jeffreytan.com and two more.

These name servers tend to be used in conjunction with the name servers marty.ns.cloudflare.com.

DNS names with 6 IP addresses:

asa.ns.cloudflare.com has IP addresses 108.162.192.246, 172.64.32.246 and 173.245.58.246, plus 3 other.

curt.ns.cloudflare.com has IP addresses 108.162.193.94, 172.64.33.94 and 173.245.59.94, plus 3 other.

experten-check.com - robtex.com