knowledgebase.expert - dns.ninja

`knowledgebase.expert`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::299^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0299.elastic-ssl.ui-r.com`
A	217.160.0.42^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns-de.1and1-dns.de` ⭐
		A	2607:f1c0:fe:53:185:132:32:1^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-de.1and1-dns.de`
		A	185.132.32.1^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-de.1and1-dns.de`
NS	`ns-de.1and1-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:1^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-de.1and1-dns.biz`
		A	185.132.33.1^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-de.1and1-dns.biz`
NS	`ns-de.1and1-dns.com`
		A	2607:f1c0:fe:53:185:132:34:1^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-de.1and1-dns.com`
		A	185.132.34.1^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-de.1and1-dns.com`
NS	`ns-de.1and1-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5301:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-de.1and1-dns.org`
		A	217.160.83.1^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-de.1and1-dns.org`
MX	`mx00.ionos.de` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.de` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns-de.1and1-dns.de`hostmaster@kundenserver.de 2016-04-18 #3

`expert`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.expert` ⭐
	NS	`v0n1.nic.expert`
	NS	`v0n2.nic.expert`
	NS	`v0n3.nic.expert`
	NS	`v2n0.nic.expert`
	NS	`v2n1.nic.expert`
	SOA	`v0n0.nic.expert`hostmaster@donuts.email serial=1784530988

Same first word

Similar names

baseknowledge.ai

baseknowledge.com

knolwedgebase.com

DNS History

12 records (8 active, 4 former)

●NSns-de.1and1-dns.biz2016-12-11 → 2026-07-20 · 2 obs

● 2016-12-11 00:10:44
● 2026-07-20 08:07:24

●NSns-de.1and1-dns.com2016-12-11 → 2026-07-20 · 2 obs

● 2016-12-11 00:10:44
● 2026-07-20 08:07:24

●NSns-de.1and1-dns.de2016-12-11 → 2026-07-20 · 2 obs

● 2016-12-11 00:10:44
● 2026-07-20 08:07:24

●NSns-de.1and1-dns.org2016-12-11 → 2026-07-20 · 2 obs

● 2016-12-11 00:10:44
● 2026-07-20 08:07:24

●MXmx00.ionos.de2026-03-01 → 2026-07-20 · 3 obs

○ 2017-12-06 03:18:00
● 2026-03-01 01:07:58
● 2026-07-20 08:07:24

○MXmx00.kundenserver.de2016-12-11 → 2017-12-06 · 4 obs

● 2016-12-11 00:10:44
● 2017-12-06 03:18:00
○ 2026-03-01 01:07:58
○ 2026-07-20 08:07:24

●MXmx01.ionos.de2026-03-01 → 2026-07-20 · 3 obs

○ 2017-12-06 03:18:00
● 2026-03-01 01:07:58
● 2026-07-20 08:07:24

○MXmx01.kundenserver.de2016-12-11 → 2017-12-06 · 4 obs

● 2016-12-11 00:10:44
● 2017-12-06 03:18:00
○ 2026-03-01 01:07:58
○ 2026-07-20 08:07:24

○A2001:8d8:1000:bc:b936:4f1e:c78f:285a2016-12-11 → 2017-12-06 · 4 obs

● 2016-12-11 00:10:44
● 2017-12-06 03:18:00
○ 2026-03-01 01:07:58
○ 2026-07-20 08:07:24

●A2001:8d8:100f:f000::2992026-03-01 → 2026-07-20 · 3 obs

○ 2017-12-06 03:18:00
● 2026-03-01 01:07:58
● 2026-07-20 08:07:24

●A217.160.0.422026-03-01 → 2026-07-20 · 3 obs

○ 2017-12-06 03:18:00
● 2026-03-01 01:07:58
● 2026-07-20 08:07:24

○A217.160.231.1182016-12-11 → 2017-12-06 · 4 obs

● 2016-12-11 00:10:44
● 2017-12-06 03:18:00
○ 2026-03-01 01:07:58
○ 2026-07-20 08:07:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
expert	v0n0.nic.expert, v0n1.nic.expert, v0n2.nic.expert, v0n3.nic.expert...	12 records
knowledgebase.expert	ns-de.1and1-dns.de, ns-de.1and1-dns.com, ns-de.1and1-dns.org, ns-de.1and1-dns.biz	-

✅ Authoritative Response

Server:185.132.33.1

NS records: ns-de.1and1-dns.de, ns-de.1and1-dns.com, ns-de.1and1-dns.org, ns-de.1and1-dns.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgebase.expert (unsigned zone)

⏱️ Timing

Total: 587ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.42`
AAAA	1	`2001:8d8:100f:f000::299`
NS	4	`ns-de.1and1-dns.com, ns-de.1and1-dns.biz...`
MX	2	`mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns-de.1and1-dns.de hostmaster.kundenserv`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.expert, v0n1.nic.expert, v0n2.nic.expert...)

Analysis

IP Addresses

knowledgebase.expert resolves to the IP addresses 217.160.0.42 and 2001:8d8:100f:f000::299

Among the host names that share IP numbers with knowledgebase.expert are ariian.com, agenova.com, ba-un.de and two others.

Name Servers

The domain knowledgebase.expert is delegated to these four name servers: ns-de.1and1-dns.biz, ns-de.1and1-dns.com, ns-de.1and1-dns.de and ns-de.1and1-dns.org.

knowledgebase.expert partially shares its NS delegation with several other domains, including einzelnachhilfe.team, ollywood.gmbh, gantke.gmbh and two others.

ns-de.1and1-dns.biz, ns-de.1and1-dns.com, ns-de.1and1-dns.de and ns-de.1and1-dns.org each carry two IP addresses. ns-de.1and1-dns.biz has 185.132.33.1 and 2607:f1c0:fe:53:185:132:33:1; ns-de.1and1-dns.com has 185.132.34.1 and 2607:f1c0:fe:53:185:132:34:1; ns-de.1and1-dns.de has 185.132.32.1 and 2607:f1c0:fe:53:185:132:32:1; ns-de.1and1-dns.org has 217.160.83.1 and 2001:8d8:fe:53:0:d9a0:5301:100.

Mail Servers

The MX records for knowledgebase.expert point to two mail servers: mx00.ionos.de and mx01.ionos.de.

knowledgebase.expert has the same mail server arrangement as a number of other domains, for example usteidl.de, enexion.nl, cocoemimi.com and two more.

mx00.ionos.de resolves to 212.227.15.41. mx01.ionos.de resolves to 217.72.192.67. Both host names point to a single IP number.