knowcert.com - dns.ninja

`knowcert.com`

DNSSEC	🔒 Signed (DS record present)
A	2a05:d580:0:1337::25^{🇩🇪 UDMEDIA-AS2a05:d580::/32 2a05:d580::/32 via AS199753}
		PTR	`zeus07.de`
A	194.117.254.37^{🇩🇪 UDMEDIA-AS194.117.254.0/23 194.117.254.0/23 via AS199753}
NS	`ns3.powerdns.de` ⭐
		A	2a05:d580:0:1337::1c^{🇩🇪 UDMEDIA-AS2a05:d580::/32 2a05:d580::/32 via AS199753}
			PTR	`ns3.powerdns.de`
		A	194.117.254.28^{🇩🇪 UDMEDIA-AS194.117.254.0/23 194.117.254.0/23 via AS199753}
			PTR	`ns3.powerdns.de`
NS	`ns4.powerdns.de`
		A	2a01:4f8:c2c:17c6::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns4.powerdns.de`
		A	116.203.122.234^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
			PTR	`ns4.powerdns.de`
MX	`mail.zeus07.de` ⭐
		A	2a05:d580:0:1337::25^{🇩🇪 UDMEDIA-AS2a05:d580::/32 2a05:d580::/32 via AS199753}
			PTR	`zeus07.de`
		A	194.117.254.37^{🇩🇪 UDMEDIA-AS194.117.254.0/23 194.117.254.0/23 via AS199753}
			PTR	`zeus07.de`
SOA	`ns3.powerdns.de`technik@udmedia.de 2024-05-14 #0

`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=1784465442

Same first word

knowcert.de

knowcert.com

Similar names

DNS History

6 records (5 active, 1 former)

●NSns3.powerdns.de2015-06-16 → 2026-07-19 · 2 obs

● 2015-06-16 05:09:36
● 2026-07-19 13:12:44

●NSns4.powerdns.de2015-06-16 → 2026-07-19 · 2 obs

● 2015-06-16 05:09:36
● 2026-07-19 13:12:44

○MXmail.knowcert.com2015-06-16 → 2015-06-16 · 3 obs

● 2015-06-16 05:09:36
○ 2015-10-27 04:04:50
○ 2026-07-19 13:12:44

●MXmail.zeus07.de2015-10-27 → 2026-07-19 · 3 obs

○ 2015-06-16 05:09:36
● 2015-10-27 04:04:50
● 2026-07-19 13:12:44

●A194.117.254.372015-06-16 → 2026-07-19 · 2 obs

● 2015-06-16 05:09:36
● 2026-07-19 13:12:44

●A2a05:d580:0:1337::252015-06-16 → 2026-07-19 · 2 obs

● 2015-06-16 05:09:36
● 2026-07-19 13:12:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net...	-
knowcert.com	ns3.powerdns.de, ns4.powerdns.de	-

✅ Authoritative Response

Server:116.203.122.234

NS records: ns3.powerdns.de, ns4.powerdns.de

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1731ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`194.117.254.37`
AAAA	1	`2a05:d580:0:1337::25`
NS	2	`ns4.powerdns.de, ns3.powerdns.de`
MX	1	`mail.zeus07.de (pri: 10)`
SOA	1	`ns3.powerdns.de technik.udmedia.de`

Analysis

IP Addresses

knowcert.com has two IP addresses: 194.117.254.37 and 2a05:d580:0:1337::25

ibk-consult.de, vorstand.lochwaggis.de, mail.zeus07.de plus two other host names have IP numbers in common with knowcert.com.

Name Servers

knowcert.com uses two name servers for its delegation: ns3.powerdns.de and ns4.powerdns.de.

The name server configuration of knowcert.com is shared with other domains, for instance simavli.com, evconnectors.de, carincloud.com and two others.

The two host names ns3.powerdns.de and ns4.powerdns.de each have a pair of IP addresses: ns3.powerdns.de has 194.117.254.28 and 2a05:d580:0:1337::1c, and ns4.powerdns.de has 116.203.122.234 and 2a01:4f8:c2c:17c6::1.

Mail Servers

knowcert.com uses one mail server — mail.zeus07.de.

The mail server setup of knowcert.com matches that of other domains such as sdkl.org, datamess.net, digi-mess.de and two others.

At least some of the mail servers used by knowcert.com are shared with other domains: al-labadi.com, fjhman.net, boios.de and two others among them.

mail.zeus07.de resolves to two IP numbers — 194.117.254.37 and 2a05:d580:0:1337::25.