`ism-performance.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:9bcc^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:48de^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.222^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.204^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clarissa.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:267b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clarissa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c27b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clarissa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:227b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clarissa.ns.cloudflare.com`
		A	108.162.194.123^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clarissa.ns.cloudflare.com`
		A	162.159.38.123^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clarissa.ns.cloudflare.com`
		A	172.64.34.123^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clarissa.ns.cloudflare.com`
NS	`marvin.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cfb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marvin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3fb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marvin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23fb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marvin.ns.cloudflare.com`
		A	108.162.195.251^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marvin.ns.cloudflare.com`
		A	162.159.44.251^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marvin.ns.cloudflare.com`
		A	172.64.35.251^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marvin.ns.cloudflare.com`
MX	`mx00.ionos.de` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
		A	212.227.15.171^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.de` ⭐
		A	212.227.15.188^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx01.kundenserver.de`
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 ip4:185.197.195.234 include:_spf-eu.ionos.com ip6:2A02:C206:3010:2603:...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.72.222, 172.67.155.204
		IPv6 hints	2606:4700:3031::ac43:9bcc, 2606:4700:3035::6815:48de
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=5, name=cloudflare-ech.com
SOA	`clarissa.ns.cloudflare.com`dns@cloudflare.com serial=2410644706

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1785226336

Same first word

ism-performance.de

DNS History

25 records (8 active, 17 former)

●NSclarissa.ns.cloudflare.com2026-03-31 → 2026-07-28 · 3 obs

○ 2017-04-04 07:36:38
● 2026-03-31 16:45:46
● 2026-07-28 08:16:02

●NSmarvin.ns.cloudflare.com2026-03-31 → 2026-07-28 · 3 obs

○ 2017-04-04 07:36:38
● 2026-03-31 16:45:46
● 2026-07-28 08:16:02

○NSns-de.1and1-dns.biz2015-08-20 → 2017-04-04 · 4 obs

● 2015-08-20 10:53:36
● 2017-04-04 07:36:38
○ 2026-03-31 16:45:46
○ 2026-07-28 08:16:02

○NSns-de.1and1-dns.com2015-08-20 → 2017-04-04 · 4 obs

● 2015-08-20 10:53:36
● 2017-04-04 07:36:38
○ 2026-03-31 16:45:46
○ 2026-07-28 08:16:02

○NSns-de.1and1-dns.de2015-08-20 → 2017-04-04 · 4 obs

● 2015-08-20 10:53:36
● 2017-04-04 07:36:38
○ 2026-03-31 16:45:46
○ 2026-07-28 08:16:02

○NSns-de.1and1-dns.org2015-08-20 → 2017-04-04 · 4 obs

● 2015-08-20 10:53:36
● 2017-04-04 07:36:38
○ 2026-03-31 16:45:46
○ 2026-07-28 08:16:02

●MXmx00.ionos.de2026-03-31 → 2026-07-28 · 3 obs

○ 2017-04-04 07:36:38
● 2026-03-31 16:45:46
● 2026-07-28 08:16:02

○MXmx00.kundenserver.de2015-08-20 → 2017-04-04 · 4 obs

● 2015-08-20 10:53:36
● 2017-04-04 07:36:38
○ 2026-03-31 16:45:46
○ 2026-07-28 08:16:02

●MXmx01.ionos.de2026-03-31 → 2026-07-28 · 3 obs

○ 2017-04-04 07:36:38
● 2026-03-31 16:45:46
● 2026-07-28 08:16:02

○MXmx01.kundenserver.de2015-08-20 → 2017-04-04 · 4 obs

● 2015-08-20 10:53:36
● 2017-04-04 07:36:38
○ 2026-03-31 16:45:46
○ 2026-07-28 08:16:02

●A104.21.72.2222026-03-31 → 2026-07-28 · 5 obs

○ 2017-04-04 07:36:38
● 2026-03-31 16:45:46
○ 2026-07-11 12:32:14
● 2026-07-12 00:11:52
● 2026-07-28 08:16:02

●A172.67.155.2042026-03-31 → 2026-07-28 · 5 obs

○ 2017-04-04 07:36:38
● 2026-03-31 16:45:46
○ 2026-07-11 12:32:14
● 2026-07-12 00:11:52
● 2026-07-28 08:16:02

○A188.114.96.02026-07-11 → 2026-07-11 · 4 obs

○ 2026-03-31 16:45:46
● 2026-07-11 12:32:14
○ 2026-07-12 00:11:52
○ 2026-07-28 08:16:02

○A188.114.97.02026-07-11 → 2026-07-11 · 4 obs

○ 2026-03-31 16:45:46
● 2026-07-11 12:32:14
○ 2026-07-12 00:11:52
○ 2026-07-28 08:16:02

○A2001:8d8:1000:50e3:7ad5:7e7d:f46e:f01f2016-07-22 → 2016-07-22 · 4 obs

○ 2016-03-09 17:37:16
● 2016-07-22 08:26:20
○ 2017-04-04 07:36:38
○ 2026-07-28 08:16:02

○A2001:8d8:1000:50e3:d66c:9456:507f:202015-08-20 → 2016-03-09 · 4 obs

● 2015-08-20 10:53:36
● 2016-03-09 17:37:16
○ 2016-07-22 08:26:20
○ 2026-07-28 08:16:02

○A2001:8d8:1001:6022:85d3:9a19:32e3:c0002017-04-04 → 2017-04-04 · 4 obs

○ 2016-07-22 08:26:20
● 2017-04-04 07:36:38
○ 2026-03-31 16:45:46
○ 2026-07-28 08:16:02

○A212.227.247.572017-04-04 → 2017-04-04 · 4 obs

○ 2016-07-22 08:26:20
● 2017-04-04 07:36:38
○ 2026-03-31 16:45:46
○ 2026-07-28 08:16:02

○A217.160.122.482016-07-22 → 2016-07-22 · 4 obs

○ 2016-03-09 17:37:16
● 2016-07-22 08:26:20
○ 2017-04-04 07:36:38
○ 2026-07-28 08:16:02

●A2606:4700:3031::ac43:9bcc2026-03-31 → 2026-07-28 · 5 obs

○ 2017-04-04 07:36:38
● 2026-03-31 16:45:46
○ 2026-07-11 12:32:14
● 2026-07-12 00:11:52
● 2026-07-28 08:16:02

○A2606:4700:3033::6815:48de2026-03-31 → 2026-03-31 · 4 obs

○ 2017-04-04 07:36:38
● 2026-03-31 16:45:46
○ 2026-07-11 12:32:14
○ 2026-07-28 08:16:02

●A2606:4700:3035::6815:48de2026-07-12 → 2026-07-28 · 3 obs

○ 2026-07-11 12:32:14
● 2026-07-12 00:11:52
● 2026-07-28 08:16:02

○A2a06:98c1:3120::42026-07-11 → 2026-07-11 · 4 obs

○ 2026-03-31 16:45:46
● 2026-07-11 12:32:14
○ 2026-07-12 00:11:52
○ 2026-07-28 08:16:02

○A2a06:98c1:3121::42026-07-11 → 2026-07-11 · 4 obs

○ 2026-03-31 16:45:46
● 2026-07-11 12:32:14
○ 2026-07-12 00:11:52
○ 2026-07-28 08:16:02

○A82.165.60.1412015-08-20 → 2016-03-09 · 4 obs

● 2015-08-20 10:53:36
● 2016-03-09 17:37:16
○ 2016-07-22 08:26:20
○ 2026-07-28 08:16:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
ism-performance.de	clarissa.ns.cloudflare.com, marvin.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.123

NS records: clarissa.ns.cloudflare.com, marvin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ism-performance.de (unsigned zone)

⏱️ Timing

Total: 1450ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.72.222, 172.67.155.204`
AAAA	2	`2606:4700:3031::ac43:9bcc, 2606:4700:3035::6815:48de`
NS	2	`clarissa.ns.cloudflare.com, marvin.ns.cloudflare.com`
MX	2	`mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)`
TXT	1	`v=spf1 ip4:185.197.195.234 include:_spf-`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clarissa.ns.cloudflare.com dns.cloudflar`

Analysis

IP Addresses

ism-performance.de has four IP addresses: 104.21.72.222, 172.67.155.204, 2606:4700:3031::ac43:9bcc and 2606:4700:3035::6815:48de.

Additional host names — promptxp.app, uglychart.com, spinroyal.xyz and two others — share IP numbers with ism-performance.de.

Name Servers

ism-performance.de is served by two delegated name servers, clarissa.ns.cloudflare.com and marvin.ns.cloudflare.com.

ism-performance.de shares its name server setup with other domains, including koboreport.com, beaches.bg, kologic.com and two others.

ism-performance.de partially shares its NS delegation with several other domains, including soniclab.app, app-chanilink.cc, reellab.nl and two others.

These name servers regularly co-occur with the name servers joyce.ns.cloudflare.com, craig.ns.cloudflare.com and jay.ns.cloudflare.com.

Host names with 6 IP numbers:

clarissa.ns.cloudflare.com carries IP addresses 108.162.194.123, 162.159.38.123 and 172.64.34.123, with 3 other addresses beyond those.

marvin.ns.cloudflare.com carries IP addresses 108.162.195.251, 162.159.44.251 and 172.64.35.251, with 3 other addresses beyond those.

Mail Servers

ism-performance.de has two mail servers: mx00.ionos.de and mx01.ionos.de.

ism-performance.de shares the same mail server setup as other domains, including kluzik.com, bkweb.de, she-online.de and two others.

At least a portion of ism-performance.de's mail servers are also used by other domains, for example modellbauohm.de.

Each of the two host names carries two IP addresses: mx00.ionos.de points to 212.227.15.41 and 212.227.15.171, and mx01.ionos.de points to 212.227.15.188 and 217.72.192.67.

ism-performance.de - robtex.com