4knowledge.com - dns.ninja

`4knowledge.com`

DNSSEC	⚠️ Not signed
A	74.208.236.59^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
		PTR	`74-208-236-59.elastic-ssl.ui-r.com`
NS	`ns29.1and1.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:5021:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1033.ui-dns.de`
		A	217.160.80.33^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1033.ui-dns.de`
NS	`ns30.1and1.com`
		A	2001:8d8:fe:53:0:d9a0:5120:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1032.ui-dns.biz`
		A	217.160.81.32^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1032.ui-dns.biz`
MX	`mx00.1and1.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.1and1.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns29.1and1.com`hostmaster@1and1.com 2016-07-25 #3

`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=1782939591

WOT: UNKNOWN (70/100)

Same first word

4knowledge.de

4knowledge.net

4knowledge.com

DNS History

7 records (5 active, 2 former)

●NSns29.1and1.com2007-10-28 → 2026-07-01 · 2 obs

● 2007-10-28 03:56:38
● 2026-07-01 21:28:56

●NSns30.1and1.com2007-10-28 → 2026-07-01 · 2 obs

● 2007-10-28 03:56:38
● 2026-07-01 21:28:56

●MXmx00.1and1.com2007-10-28 → 2026-07-01 · 2 obs

● 2007-10-28 03:56:38
● 2026-07-01 21:28:56

●MXmx01.1and1.com2007-10-28 → 2026-07-01 · 2 obs

● 2007-10-28 03:56:38
● 2026-07-01 21:28:56

○A216.250.121.22016-12-11 → 2016-12-11 · 4 obs

○ 2016-04-14 23:37:52
● 2016-12-11 06:36:56
○ 2026-03-18 06:09:08
○ 2026-07-01 21:28:56

●A74.208.236.592026-03-18 → 2026-07-01 · 3 obs

○ 2016-12-11 06:36:56
● 2026-03-18 06:09:08
● 2026-07-01 21:28:56

○A74.208.29.572007-10-28 → 2016-04-14 · 4 obs

● 2007-10-28 03:56:38
● 2016-04-14 23:37:52
○ 2016-12-11 06:36:56
○ 2026-07-01 21:28:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
4knowledge.com	ns29.1and1.com, ns30.1and1.com	4 records

✅ Authoritative Response

Server:217.160.81.32

NS records: ns29.1and1.com, ns30.1and1.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4knowledge.com (unsigned zone)

⏱️ Timing

Total: 242ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.59`
NS	2	`ns30.1and1.com, ns29.1and1.com`
MX	2	`mx01.1and1.com (pri: 10), mx00.1and1.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns29.1and1.com hostmaster.1and1.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns29.1and1.com, ns29.1and1.com, ns30.1and1.com...)

Analysis

IP Addresses

4knowledge.com directs to one IP number, which is 74.208.236.59.

Among the host names that share IP numbers with 4knowledge.com are johnvankirk.net, abravanel.org, oxy-arc.net and two others.

Name Servers

The NS records for 4knowledge.com delegate to ns29.1and1.com and ns30.1and1.com.

4knowledge.com has the same name server delegation as a number of other domains, such as digabode.org, sheahomes.net, flatline.ws and two more.

4knowledge.com partially shares its NS delegation with several other domains, including nexop.ca, pkpfoundation.org, tesororesort.com and two others.

In DNS configurations, these name servers often share authority with ns-us.1and1-dns.com, ns-us.1and1-dns.de, ns-us.1and1-dns.org and 5 other name servers.

ns29.1and1.com resolves to 217.160.80.33 and 2001:8d8:fe:53:0:d9a0:5021:100. Likewise, ns30.1and1.com resolves to 217.160.81.32 and 2001:8d8:fe:53:0:d9a0:5120:100 — two IP addresses apiece.

Mail Servers

The MX records for 4knowledge.com point to two mail servers: mx00.1and1.com and mx01.1and1.com.

4knowledge.com has the same mail server arrangement as a number of other domains, for example brodietech.com, kofp.ca, s224270667.onlinehome.us and two more.

4knowledge.com shares at least some of its mail servers with other domains — for example meetjtfoxx.com, u22938217.onlinehome-server.com, grupotechint.com and two more.

mx00.1and1.com resolves to 74.208.5.3. mx01.1and1.com resolves to 74.208.5.21. Both host names point to a single IP number.