`cover-system.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:cd23^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:4d42^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.66^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.35^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mack.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c25^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c325^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mack.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2325^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mack.ns.cloudflare.com`
		A	108.162.195.37^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	162.159.44.37^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	172.64.35.37^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
NS	`melina.ns.cloudflare.com`
		A	2606:4700:50::a29f:26b8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melina.ns.cloudflare.com`
		A	108.162.194.184^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melina.ns.cloudflare.com`
		A	162.159.38.184^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melina.ns.cloudflare.com`
		A	172.64.34.184^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melina.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.77.66, 172.67.205.35
		IPv6 hints	2606:4700:3031::ac43:cd23, 2606:4700:3036::6815:4d42
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=220, name=cloudflare-ech.com
SOA	`mack.ns.cloudflare.com`dns@cloudflare.com serial=2410379542

`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=1785446498

Same first word

cover-system.de

DNS History

15 records (6 active, 9 former)

●NSmack.ns.cloudflare.com2026-07-09 → 2026-07-30 · 3 obs

○ 2026-03-25 11:40:22
● 2026-07-09 10:57:06
● 2026-07-30 21:31:50

●NSmelina.ns.cloudflare.com2026-07-09 → 2026-07-30 · 3 obs

○ 2026-03-25 11:40:22
● 2026-07-09 10:57:06
● 2026-07-30 21:31:50

○NSns1.instradns.com2015-06-22 → 2020-02-22 · 4 obs

● 2015-06-22 14:17:12
● 2020-02-22 09:36:46
○ 2026-02-16 02:23:04
○ 2026-07-30 21:31:50

○NSns1.redirectdom.com2026-02-16 → 2026-02-16 · 4 obs

○ 2020-02-22 09:36:46
● 2026-02-16 02:23:04
○ 2026-03-25 11:40:22
○ 2026-07-30 21:31:50

○NSns2.instradns.com2015-06-22 → 2020-02-22 · 4 obs

● 2015-06-22 14:17:12
● 2020-02-22 09:36:46
○ 2026-02-16 02:23:04
○ 2026-07-30 21:31:50

○NSns2.redirectdom.com2026-02-16 → 2026-02-16 · 4 obs

○ 2020-02-22 09:36:46
● 2026-02-16 02:23:04
○ 2026-03-25 11:40:22
○ 2026-07-30 21:31:50

○NSns3.instradns.com2015-06-22 → 2020-02-22 · 4 obs

● 2015-06-22 14:17:12
● 2020-02-22 09:36:46
○ 2026-02-16 02:23:04
○ 2026-07-30 21:31:50

○MXmail.cover-system.de2020-02-22 → 2026-02-16 · 4 obs

● 2020-02-22 09:36:46
● 2026-02-16 02:23:04
○ 2026-03-25 11:40:22
○ 2026-07-30 21:31:50

●A104.21.77.662026-07-09 → 2026-07-30 · 3 obs

○ 2026-03-25 11:40:22
● 2026-07-09 10:57:06
● 2026-07-30 21:31:50

○A162.55.40.1242026-02-16 → 2026-02-16 · 4 obs

○ 2020-02-22 09:36:46
● 2026-02-16 02:23:04
○ 2026-03-25 11:40:22
○ 2026-07-30 21:31:50

●A172.67.205.352026-07-09 → 2026-07-30 · 3 obs

○ 2026-03-25 11:40:22
● 2026-07-09 10:57:06
● 2026-07-30 21:31:50

○A178.18.125.1782015-06-22 → 2017-01-09 · 4 obs

● 2015-06-22 14:17:12
● 2017-01-09 07:27:52
○ 2020-02-22 09:36:46
○ 2026-07-30 21:31:50

●A2606:4700:3031::ac43:cd232026-07-09 → 2026-07-30 · 3 obs

○ 2026-03-25 11:40:22
● 2026-07-09 10:57:06
● 2026-07-30 21:31:50

○A2606:4700:3033::6815:4d422026-07-09 → 2026-07-09 · 4 obs

○ 2026-03-25 11:40:22
● 2026-07-09 10:57:06
○ 2026-07-28 11:53:56
○ 2026-07-30 21:31:50

●A2606:4700:3036::6815:4d422026-07-28 → 2026-07-30 · 3 obs

○ 2026-07-09 10:57:06
● 2026-07-28 11:53:56
● 2026-07-30 21:31:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
cover-system.de	mack.ns.cloudflare.com, melina.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.184

NS records: mack.ns.cloudflare.com, melina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cover-system.de (unsigned zone)

⏱️ Timing

Total: 589ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.205.35, 104.21.77.66`
AAAA	2	`2606:4700:3031::ac43:cd23, 2606:4700:3036::6815:4d42`
NS	2	`mack.ns.cloudflare.com, melina.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mack.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

cover-system.de points to the four IP addresses 104.21.77.66, 172.67.205.35, 2606:4700:3031::ac43:cd23 and 2606:4700:3036::6815:4d42.

Additional host names — uyapdosyatr.org, webmasters.kiev.ua, ejinbao.com and two others — share IP numbers with cover-system.de.

Name Servers

cover-system.de uses two name servers for its delegation: mack.ns.cloudflare.com and melina.ns.cloudflare.com.

cover-system.de shares its name server setup with other domains, including uijawang2.com, altamex.de, fairpi521.icu and two others.

The name servers of cover-system.de overlap at least partially with those of other domains — among them 17900.cfd, hg2133.com, zhaoshibao.com and two more.

These name servers commonly appear in combination with the name servers cheryl.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname mack.ns.cloudflare.com directs to 108.162.195.37, 162.159.44.37 and 172.64.35.37 along with 3 other IP addresses.

Hostname melina.ns.cloudflare.com directs to 108.162.194.184, 162.159.38.184 and 172.64.34.184 along with 3 other IP addresses.

cover-system.de - robtex.com

cover-system.de

de

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`cover-system.de`

`de`