`knowledgemarkt.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:ce44^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3abe^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.190^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.68^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`courtney.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2682^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c282^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`courtney.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2282^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`courtney.ns.cloudflare.com`
		A	108.162.194.130^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	162.159.38.130^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	172.64.34.130^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
NS	`peyton.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bdd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1dd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`peyton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21dd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`peyton.ns.cloudflare.com`
		A	108.162.193.221^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
		A	172.64.33.221^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
		A	173.245.59.221^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peyton.ns.cloudflare.com`
TXT	`v=spf1 a mx ip4:185.182.56.120 a:spf.spamexperts.axc.nl ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.58.190, 172.67.206.68
		IPv6	2606:4700:3034::ac43:ce44, 2606:4700:3037::6815:3abe
SOA	`courtney.ns.cloudflare.com`dns@cloudflare.com serial=2395347086

`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=1774667203

WOT: SAFE (68/100)

Subdomains

mail.knowledgemarkt.de

Same first word

knowledgemarkt.de

DNS History

25 records (6 active, 19 former)

○NSa.ns14.net2016-05-09 → 2017-08-30 · 5 obs

○ 2015-12-31 01:58:50
● 2016-05-09 13:24:20
● 2017-08-30 02:24:14
○ 2026-02-16 01:21:30
○ 2026-03-28 03:31:40

○NSb.ns14.net2016-05-09 → 2017-08-30 · 5 obs

○ 2015-12-31 01:58:50
● 2016-05-09 13:24:20
● 2017-08-30 02:24:14
○ 2026-02-16 01:21:30
○ 2026-03-28 03:31:40

○NSc.ns14.net2016-05-09 → 2016-05-09 · 4 obs

○ 2015-12-31 01:58:50
● 2016-05-09 13:24:20
○ 2017-08-30 02:24:14
○ 2026-03-28 03:31:40

●NScourtney.ns.cloudflare.com2026-02-16 → 2026-03-28 · 3 obs

○ 2017-08-30 02:24:14
● 2026-02-16 01:21:30
● 2026-03-28 03:31:40

○NSd.ns14.net2016-05-09 → 2016-05-09 · 4 obs

○ 2015-12-31 01:58:50
● 2016-05-09 13:24:20
○ 2017-08-30 02:24:14
○ 2026-03-28 03:31:40

○NSns1.domainname.at2015-05-18 → 2015-05-18 · 3 obs

● 2015-05-18 19:33:44
○ 2015-10-19 12:07:54
○ 2026-03-28 03:31:40

○NSns1.redirectdom.com2015-05-18 → 2015-05-18 · 3 obs

● 2015-05-18 19:33:44
○ 2015-10-19 12:07:54
○ 2026-03-28 03:31:40

○NSns1.sedoparking.com2015-10-19 → 2015-10-19 · 4 obs

○ 2015-05-18 19:33:44
● 2015-10-19 12:07:54
○ 2015-12-31 01:58:50
○ 2026-03-28 03:31:40

○NSns2.redirectdom.com2015-05-18 → 2015-05-18 · 3 obs

● 2015-05-18 19:33:44
○ 2015-10-19 12:07:54
○ 2026-03-28 03:31:40

○NSns2.sedoparking.com2015-10-19 → 2015-10-19 · 4 obs

○ 2015-05-18 19:33:44
● 2015-10-19 12:07:54
○ 2015-12-31 01:58:50
○ 2026-03-28 03:31:40

●NSpeyton.ns.cloudflare.com2026-02-16 → 2026-03-28 · 3 obs

○ 2017-08-30 02:24:14
● 2026-02-16 01:21:30
● 2026-03-28 03:31:40

○MXmail.knowledgemarkt.de2017-08-30 → 2026-02-16 · 5 obs

○ 2015-12-31 01:58:50
● 2017-08-30 02:24:14
● 2026-02-16 01:21:30
○ 2026-02-27 10:06:34
○ 2026-03-28 03:31:40

○MXmail.nickstel.com2015-10-19 → 2015-10-19 · 3 obs

● 2015-10-19 12:07:54
○ 2015-12-31 01:58:50
○ 2026-03-28 03:31:40

●A104.21.58.1902026-02-27 → 2026-03-28 · 7 obs

○ 2026-02-16 01:21:30
● 2026-02-27 10:06:34
● 2026-03-03 00:29:32
○ 2026-03-04 06:21:32
○ 2026-03-06 14:13:22
● 2026-03-17 21:31:16
● 2026-03-28 03:31:40

●A172.67.206.682026-02-27 → 2026-03-28 · 7 obs

○ 2026-02-16 01:21:30
● 2026-02-27 10:06:34
● 2026-03-03 00:29:32
○ 2026-03-04 06:21:32
○ 2026-03-06 14:13:22
● 2026-03-17 21:31:16
● 2026-03-28 03:31:40

○A176.9.107.1882015-05-18 → 2015-05-18 · 3 obs

● 2015-05-18 19:33:44
○ 2015-10-19 12:07:54
○ 2026-03-28 03:31:40

○A188.114.96.02026-02-16 → 2026-03-06 · 8 obs

○ 2017-08-30 02:24:14
● 2026-02-16 01:21:30
○ 2026-02-27 10:06:34
○ 2026-03-03 00:29:32
● 2026-03-04 06:21:32
● 2026-03-06 14:13:22
○ 2026-03-17 21:31:16
○ 2026-03-28 03:31:40

○A188.114.97.02026-02-16 → 2026-03-06 · 8 obs

○ 2017-08-30 02:24:14
● 2026-02-16 01:21:30
○ 2026-02-27 10:06:34
○ 2026-03-03 00:29:32
● 2026-03-04 06:21:32
● 2026-03-06 14:13:22
○ 2026-03-17 21:31:16
○ 2026-03-28 03:31:40

●A2606:4700:3034::ac43:ce442026-02-27 → 2026-03-28 · 7 obs

○ 2026-02-16 01:21:30
● 2026-02-27 10:06:34
● 2026-03-03 00:29:32
○ 2026-03-04 06:21:32
○ 2026-03-06 14:13:22
● 2026-03-17 21:31:16
● 2026-03-28 03:31:40

●A2606:4700:3037::6815:3abe2026-02-27 → 2026-03-28 · 7 obs

○ 2026-02-16 01:21:30
● 2026-02-27 10:06:34
● 2026-03-03 00:29:32
○ 2026-03-04 06:21:32
○ 2026-03-06 14:13:22
● 2026-03-17 21:31:16
● 2026-03-28 03:31:40

○A2a06:98c1:3120::2026-02-16 → 2026-03-06 · 8 obs

○ 2017-08-30 02:24:14
● 2026-02-16 01:21:30
○ 2026-02-27 10:06:34
○ 2026-03-03 00:29:32
● 2026-03-04 06:21:32
● 2026-03-06 14:13:22
○ 2026-03-17 21:31:16
○ 2026-03-28 03:31:40

○A2a06:98c1:3121::2026-02-16 → 2026-03-06 · 8 obs

○ 2017-08-30 02:24:14
● 2026-02-16 01:21:30
○ 2026-02-27 10:06:34
○ 2026-03-03 00:29:32
● 2026-03-04 06:21:32
● 2026-03-06 14:13:22
○ 2026-03-17 21:31:16
○ 2026-03-28 03:31:40

○A62.116.130.82016-05-09 → 2016-05-09 · 4 obs

○ 2015-12-31 01:58:50
● 2016-05-09 13:24:20
○ 2017-08-30 02:24:14
○ 2026-03-28 03:31:40

○A72.52.4.912015-10-19 → 2015-10-19 · 4 obs

○ 2015-05-18 19:33:44
● 2015-10-19 12:07:54
○ 2015-12-31 01:58:50
○ 2026-03-28 03:31:40

○A81.171.7.2432017-08-30 → 2017-08-30 · 4 obs

○ 2016-05-09 13:24:20
● 2017-08-30 02:24:14
○ 2026-02-16 01:21:30
○ 2026-03-28 03:31:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
knowledgemarkt.de	courtney.ns.cloudflare.com, peyton.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.221

NS records: courtney.ns.cloudflare.com, peyton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgemarkt.de (unsigned zone)

⏱️ Timing

Total: 1048ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.58.190, 172.67.206.68`
AAAA	2	`2606:4700:3034::ac43:ce44, 2606:4700:3037::6815:3abe`
NS	2	`courtney.ns.cloudflare.com, peyton.ns.cloudflare.com`
TXT	1	`v=spf1 a mx ip4:185.182.56.120 a:spf.spa`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`courtney.ns.cloudflare.com dns.cloudflar`

Analysis

Hierarchy

The parent of mail.knowledgemarkt.de is knowledgemarkt.de.

IP Addresses

knowledgemarkt.de points to four IP numbers: 2606:4700:3034::ac43:ce44, 2606:4700:3037::6815:3abe, 104.21.58.190 and 172.67.206.68.

Other host names, for instance nitrianskyexpres.sk, www.galis.net, volgenpower.com, kxmeitao.com and www.venusiandream.com share IP numbers with knowledgemarkt.de.

Name Servers

knowledgemarkt.de is delegated to two name servers: courtney.ns.cloudflare.com and peyton.ns.cloudflare.com.

knowledgemarkt.de uses the same name server setup as other domains, for instance evertvermeer.nl, ecofourrure.be, st-guidon.be, hoekrijgikzelfvertrouwen.nl and lscadvantage.com.

knowledgemarkt.de shares name servers with other domains at least partially, for instance neodomus.net, ulzorobj.cc, ronjoker.xyz, facturago.com and piesyncqa.com.

these name servers are often used together with the name servers olivia.ns.cloudflare.com.

Host names with six IP numbers: courtney.ns.cloudflare.com points to 2606:4700:50::a29f:2682, 2803:f800:50::6ca2:c282, 2a06:98c1:50::ac40:2282, 108.162.194.130, 162.159.38.130 and 172.64.34.130; peyton.ns.cloudflare.com points to 2606:4700:58::adf5:3bdd, 2803:f800:50::6ca2:c1dd, 2a06:98c1:50::ac40:21dd, 108.162.193.221, 172.64.33.221 and 173.245.59.221.

knowledgemarkt.de - robtex.com