knowledge.ie - dns.ninja

`knowledge.ie`

DNSSEC	⚠️ Not signed
A	151.80.18.19^{🇫🇷 OVH151.80.0.0/16}
		PTR	`capricorn.gripcomms.com`
NS	`ns1.blacknightdns.com` ⭐
		A	78.153.203.12^{🇮🇪 BLACKNIGHT-AS78.153.192.0/19 IE-BLACKNIGHT-NET2-PA}
			PTR	`ns1.blacknightdns.com`
NS	`ns2.blacknightdns.com`
		A	81.17.240.172^{🇮🇪 BLACKNIGHT-AS81.17.240.0/24 IE-BLACKNIGHT-INFRA}
			PTR	`ns2.blacknightdns.com`
NS	`ns3.blacknightdns.com`
		A	2a00:fea0:dead::beef^{🇮🇳 GRANSY2a00:fea0::/32 Anycast DNS project}
		A	185.28.194.194^{🇨🇿 GRANSY185.28.194.0/24 Network of Gransy s.r.o.}
			PTR	`ns2.anycastdns.cz`
NS	`ns4.blacknightdns.com`
		A	185.38.108.108^{🇨🇿 GRANSY185.38.108.0/24 Anycast DNS project}
			PTR	`ns1.anycastdns.cz`
MX	`knowledge-ie.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
TXT	`MS=ms20859123`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.blacknightdns.com`hostmaster@knowledge.ie 2026-04-01 #28

`ie`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.ie` ⭐
	NS	`c.ns.ie`
	NS	`d.ns.ie`
	NS	`e.ns.ie`
	NS	`h.ns.ie`
	NS	`i.ns.ie`
	SOA	`a.ns.ie`tld-tech@weare.ie serial=2607302100

Same first word

knowledge.com.br

knowledge.tank.jp

knowledge.company

knowledge.pl

knowledge.pk

knowledge.community

knowledge.kitchen

knowledge.li

knowledge.at

knowledge.la

knowledge.org.ua

knowledge.it

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knowledge.org.tw

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knowledge.agency

knowledge.cn.com

knowledge.co.th

knowledge.be

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knowledge.kz

knowledge.ie

knowledge.net

Similar names

ledgeknow.com

degenkolw.dk

knolwedge.com

egdelwonk.com

knowlegde.com

kwonglede.com

DNS History

18 records (6 active, 12 former)

○NSdns1.ieinternet.net2015-06-16 → 2020-01-18 · 4 obs

● 2015-06-16 07:30:54
● 2020-01-18 08:37:40
○ 2026-03-10 00:44:28
○ 2026-07-30 22:12:24

○NSdns2.ieinternet.net2015-06-16 → 2020-01-18 · 4 obs

● 2015-06-16 07:30:54
● 2020-01-18 08:37:40
○ 2026-03-10 00:44:28
○ 2026-07-30 22:12:24

○NSdns3.ieinternet.net2015-06-16 → 2020-01-18 · 4 obs

● 2015-06-16 07:30:54
● 2020-01-18 08:37:40
○ 2026-03-10 00:44:28
○ 2026-07-30 22:12:24

○NSns1.blacknight.com2026-03-10 → 2026-03-26 · 5 obs

○ 2020-01-18 08:37:40
● 2026-03-10 00:44:28
● 2026-03-26 06:36:56
○ 2026-06-05 09:34:46
○ 2026-07-30 22:12:24

●NSns1.blacknightdns.com2026-06-05 → 2026-07-30 · 3 obs

○ 2026-03-26 06:36:56
● 2026-06-05 09:34:46
● 2026-07-30 22:12:24

○NSns2.blacknight.com2026-03-10 → 2026-03-26 · 5 obs

○ 2020-01-18 08:37:40
● 2026-03-10 00:44:28
● 2026-03-26 06:36:56
○ 2026-06-05 09:34:46
○ 2026-07-30 22:12:24

●NSns2.blacknightdns.com2026-06-05 → 2026-07-30 · 3 obs

○ 2026-03-26 06:36:56
● 2026-06-05 09:34:46
● 2026-07-30 22:12:24

○NSns3.blacknight.com2026-03-10 → 2026-03-26 · 5 obs

○ 2020-01-18 08:37:40
● 2026-03-10 00:44:28
● 2026-03-26 06:36:56
○ 2026-06-05 09:34:46
○ 2026-07-30 22:12:24

●NSns3.blacknightdns.com2026-06-05 → 2026-07-30 · 3 obs

○ 2026-03-26 06:36:56
● 2026-06-05 09:34:46
● 2026-07-30 22:12:24

○NSns4.blacknight.com2026-03-10 → 2026-03-26 · 5 obs

○ 2020-01-18 08:37:40
● 2026-03-10 00:44:28
● 2026-03-26 06:36:56
○ 2026-06-05 09:34:46
○ 2026-07-30 22:12:24

●NSns4.blacknightdns.com2026-06-05 → 2026-07-30 · 3 obs

○ 2026-03-26 06:36:56
● 2026-06-05 09:34:46
● 2026-07-30 22:12:24

●MXknowledge-ie.mail.protection.outlook.com2026-03-10 → 2026-07-30 · 6 obs

○ 2020-01-18 08:37:40
● 2026-03-10 00:44:28
○ 2026-03-26 06:36:56
○ 2026-06-05 09:34:46
● 2026-06-12 02:15:18
● 2026-07-30 22:12:24

○MXmxcluster-01.customer.mailwall.com2015-06-16 → 2020-01-18 · 4 obs

● 2015-06-16 07:30:54
● 2020-01-18 08:37:40
○ 2026-03-10 00:44:28
○ 2026-07-30 22:12:24

○MXmxcluster-02.customer.mailwall.com2015-06-16 → 2020-01-18 · 4 obs

● 2015-06-16 07:30:54
● 2020-01-18 08:37:40
○ 2026-03-10 00:44:28
○ 2026-07-30 22:12:24

○A149.3.135.822016-07-12 → 2017-03-14 · 5 obs

○ 2016-03-11 10:33:38
● 2016-07-12 03:09:10
● 2017-03-14 09:33:44
○ 2020-01-18 08:37:40
○ 2026-07-30 22:12:24

●A151.80.18.192026-03-10 → 2026-07-30 · 5 obs

○ 2020-01-18 08:37:40
● 2026-03-10 00:44:28
○ 2026-03-26 06:36:56
● 2026-06-05 09:34:46
● 2026-07-30 22:12:24

○A178.63.96.1342020-01-18 → 2020-01-18 · 4 obs

○ 2017-03-14 09:33:44
● 2020-01-18 08:37:40
○ 2026-03-10 00:44:28
○ 2026-07-30 22:12:24

○A192.169.198.672015-06-16 → 2016-03-11 · 4 obs

● 2015-06-16 07:30:54
● 2016-03-11 10:33:38
○ 2016-07-12 03:09:10
○ 2026-07-30 22:12:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ie	a.ns.ie, c.ns.ie, d.ns.ie, e.ns.ie...	-
knowledge.ie	ns1.blacknightdns.com, ns3.blacknightdns.com, ns2.blacknightdns.com, ns4.blacknightdns.com	-

✅ Authoritative Response

Server:185.38.108.108

NS records: ns1.blacknightdns.com, ns3.blacknightdns.com, ns2.blacknightdns.com, ns4.blacknightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge.ie (unsigned zone)

⏱️ Timing

Total: 1456ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`151.80.18.19`
NS	4	`ns1.blacknightdns.com, ns2.blacknightdns.com...`
TXT	2	`MS=ms20859123, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.blacknightdns.com hostmaster.knowled`

Analysis

IP Addresses

knowledge.ie points to a single IP number: 151.80.18.19.

jarekwoznica.net, capricorn.gripcomms.com and gripcomms.com are examples of other host names that share IP numbers with knowledge.ie.

Name Servers

knowledge.ie has four authoritative name servers: ns1.blacknightdns.com, ns2.blacknightdns.com, ns3.blacknightdns.com and ns4.blacknightdns.com.

knowledge.ie has at least partial name server overlap with other domains, such as dublinoldschool.com, dotsys.co.uk, psireland.ie and two others.

Host names with two IP numbers:

The A records for ns3.blacknightdns.com return 185.28.194.194 and 2a00:fea0:dead::beef.

Host names pointing to a single IP address:

ns1.blacknightdns.com resolves to the IP address 78.153.203.12.

ns2.blacknightdns.com resolves to the IP address 81.17.240.172.

ns4.blacknightdns.com resolves to the IP address 185.38.108.108.

Mail Servers

knowledge.ie has one mail server: knowledge-ie.mail.protection.outlook.com.

knowledge-ie.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.32, 52.101.73.4, 52.101.73.6 and 5 other.