`knowlance.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:152^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:80e8^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.1.82^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.128.232^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aspen.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:266d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aspen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aspen.ns.cloudflare.com`
		A	108.162.194.109^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	162.159.38.109^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	172.64.34.109^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
NS	`kip.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b80^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c180^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kip.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2180^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kip.ns.cloudflare.com`
		A	108.162.193.128^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
		A	172.64.33.128^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
		A	173.245.59.128^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
MX	`_dc-mx.4d351885162b.knowlance.de` ⭐
		A	fe80::a017:15ff:fe52:d8e8
		A	176.10.101.183^{🇨🇭 AS-SOFTPLUS176.10.96.0/19 Datasource AG Provider}
			PTR	`mail.knowlance.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.1.82, 172.67.128.232
		IPv6 hints	2606:4700:3032::6815:152, 2606:4700:3036::ac43:80e8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=223, name=cloudflare-ech.com
SOA	`aspen.ns.cloudflare.com`dns@cloudflare.com serial=2407147002

`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=1784574723

Subdomains

mail.knowlance.de

Same first word

knowlance.de

knowlance.com

knowlance.ru

knowlance.at

knowlance.ch

Similar names

cnkelowna.ca

DNS History

15 records (7 active, 8 former)

●NSaspen.ns.cloudflare.com2026-06-22 → 2026-07-20 · 3 obs

○ 2017-06-04 07:41:26
● 2026-06-22 05:27:26
● 2026-07-20 19:41:16

●NSkip.ns.cloudflare.com2026-06-22 → 2026-07-20 · 3 obs

○ 2017-06-04 07:41:26
● 2026-06-22 05:27:26
● 2026-07-20 19:41:16

○NSns1.cns-ebusiness.com2015-07-14 → 2017-06-04 · 4 obs

● 2015-07-14 13:36:48
● 2017-06-04 07:41:26
○ 2026-06-22 05:27:26
○ 2026-07-20 19:41:16

○NSns2.cns-ebusiness.com2015-07-14 → 2017-06-04 · 4 obs

● 2015-07-14 13:36:48
● 2017-06-04 07:41:26
○ 2026-06-22 05:27:26
○ 2026-07-20 19:41:16

○NSns3.cns-ebusiness.com2015-07-14 → 2017-06-04 · 4 obs

● 2015-07-14 13:36:48
● 2017-06-04 07:41:26
○ 2026-06-22 05:27:26
○ 2026-07-20 19:41:16

○NSns4.cns-ebusiness.com2015-07-14 → 2017-06-04 · 4 obs

● 2015-07-14 13:36:48
● 2017-06-04 07:41:26
○ 2026-06-22 05:27:26
○ 2026-07-20 19:41:16

●MX_dc-mx.4d351885162b.knowlance.de2026-06-22 → 2026-07-20 · 3 obs

○ 2017-06-04 07:41:26
● 2026-06-22 05:27:26
● 2026-07-20 19:41:16

○MXmail.knowlance.de2015-07-14 → 2017-06-04 · 4 obs

● 2015-07-14 13:36:48
● 2017-06-04 07:41:26
○ 2026-06-22 05:27:26
○ 2026-07-20 19:41:16

●A104.21.1.822026-06-22 → 2026-07-20 · 3 obs

○ 2017-06-04 07:41:26
● 2026-06-22 05:27:26
● 2026-07-20 19:41:16

●A172.67.128.2322026-06-22 → 2026-07-20 · 3 obs

○ 2017-06-04 07:41:26
● 2026-06-22 05:27:26
● 2026-07-20 19:41:16

○A2606:4700:3031::6815:1522026-06-22 → 2026-06-22 · 4 obs

○ 2017-06-04 07:41:26
● 2026-06-22 05:27:26
○ 2026-07-16 11:42:44
○ 2026-07-20 19:41:16

●A2606:4700:3032::6815:1522026-07-16 → 2026-07-20 · 3 obs

○ 2026-06-22 05:27:26
● 2026-07-16 11:42:44
● 2026-07-20 19:41:16

○A2606:4700:3033::ac43:80e82026-06-22 → 2026-06-22 · 4 obs

○ 2017-06-04 07:41:26
● 2026-06-22 05:27:26
○ 2026-07-16 11:42:44
○ 2026-07-20 19:41:16

●A2606:4700:3036::ac43:80e82026-07-16 → 2026-07-20 · 3 obs

○ 2026-06-22 05:27:26
● 2026-07-16 11:42:44
● 2026-07-20 19:41:16

○A82.210.5.1002015-07-14 → 2017-06-04 · 4 obs

● 2015-07-14 13:36:48
● 2017-06-04 07:41:26
○ 2026-06-22 05:27:26
○ 2026-07-20 19:41:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
knowlance.de	aspen.ns.cloudflare.com, kip.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.128

NS records: aspen.ns.cloudflare.com, kip.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowlance.de (unsigned zone)

⏱️ Timing

Total: 744ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.1.82, 172.67.128.232`
AAAA	2	`2606:4700:3036::ac43:80e8, 2606:4700:3032::6815:152`
NS	2	`aspen.ns.cloudflare.com, kip.ns.cloudflare.com`
MX	1	`_dc-mx.4d351885162b.knowlance.de (pri: 1`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aspen.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

mail.knowlance.de is a subdomain of knowlance.de.

IP Addresses

knowlance.de directs to four IP numbers, which are 104.21.1.82, 172.67.128.232, 2606:4700:3032::6815:152 and 2606:4700:3036::ac43:80e8.

equifacs.co.uk, internationalschoolsbangkokthailand.org, texaslegalservicesauthority.com and two other host names share IP numbers with knowlance.de.

Name Servers

knowlance.de uses two name servers for its delegation: aspen.ns.cloudflare.com and kip.ns.cloudflare.com.

knowlance.de uses the same name servers as several other domains — among them mavenpackages.com, calolog.com, knowlance.com and two more.

The name servers of knowlance.de overlap at least partially with those of other domains — among them hhslgy.com, isportsanalysisreach.com, uwfyobivh.com and two more.

These name servers commonly co-occur with the name servers gordon.ns.cloudflare.com, nash.ns.cloudflare.com, ryleigh.ns.cloudflare.com and kianchau.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname aspen.ns.cloudflare.com directs to 108.162.194.109, 162.159.38.109 and 172.64.34.109 along with 3 other IP addresses.

Hostname kip.ns.cloudflare.com directs to 108.162.193.128, 172.64.33.128 and 173.245.59.128 along with 3 other IP addresses.

Mail Servers

Mail for knowlance.de is handled by a single mail server, _dc-mx.4d351885162b.knowlance.de.

_dc-mx.4d351885162b.knowlance.de resolves to two IP numbers — 176.10.101.183 and fe80::a017:15ff:fe52:d8e8.

knowlance.de - robtex.com

knowlance.de

de

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`knowlance.de`

`de`