knowledgeretention.help - dns.ninja

`knowledgeretention.help`

DNSSEC	⚠️ Not signed
A	216.150.1.129^{🇨🇦 Amazon216.150.1.0/24 EC2 Prefix}
A	216.150.16.193^{🇨🇦 Amazon216.150.16.0/24 EC2 Prefix}
NS	`ns1.vercel-dns.com` ⭐
		A	2620:4d:4000:6259:7:13:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p13.nsone.net`
		A	198.51.44.13^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p13.nsone.net`
NS	`ns2.vercel-dns.com`
		A	2a00:edc0:6259:7:13::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p13.nsone.net`
		A	198.51.45.13^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p13.nsone.net`
MX	`knowledgeretention-help.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr02cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:f909::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr04cu00201.inbound.protection.outlook.com`
		A	52.101.9.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	52.101.9.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00205.inbound.protection.outlook.com`
		A	52.101.40.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy4pr03cu00101.inbound.protection.outlook.com`
		A	52.101.41.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00305.inbound.protection.outlook.com`
TXT	`MS=ms81797760`
TXT	`google-site-verification=edItsnebTUw2sc6kUaYT5OHGncftsyTcfG1QXg31qzA`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.vercel-dns.com`hostmaster@nsone.net serial=1783645503

`help`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.nic.help`
	NS	`b.nic.help`
	NS	`c.nic.help`
	NS	`d.nic.help`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1785534891

⚠️ On DNS blocklist: tif

Subdomains

www.knowledgeretention.help

Same first word

knowledgeretention.org

knowledgeretention.help

DNS History

6 records (5 active, 1 former)

●NSns1.vercel-dns.com2026-07-26 → 2026-07-31 · 2 obs

● 2026-07-26 18:02:42
● 2026-07-31 22:51:20

●NSns2.vercel-dns.com2026-07-26 → 2026-07-31 · 2 obs

● 2026-07-26 18:02:42
● 2026-07-31 22:51:20

●MXknowledgeretention-help.mail.protection.outlook.com2026-07-26 → 2026-07-31 · 2 obs

● 2026-07-26 18:02:42
● 2026-07-31 22:51:20

○A216.150.1.12026-07-26 → 2026-07-26 · 2 obs

● 2026-07-26 18:02:42
○ 2026-07-31 22:51:20

●A216.150.1.1292026-07-26 → 2026-07-31 · 2 obs

● 2026-07-26 18:02:42
● 2026-07-31 22:51:20

●A216.150.16.1932026-07-31 → 2026-07-31 · 2 obs

○ 2026-07-26 18:02:42
● 2026-07-31 22:51:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
help	a.nic.help, b.nic.help, c.nic.help, d.nic.help	8 records
knowledgeretention.help	ns1.vercel-dns.com, ns2.vercel-dns.com	-

✅ Authoritative Response

Server:198.51.45.13

NS records: ns1.vercel-dns.com, ns2.vercel-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgeretention.help (unsigned zone)

⏱️ Timing

Total: 362ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`216.150.1.1, 216.150.1.129`
NS	2	`ns1.vercel-dns.com, ns2.vercel-dns.com`
MX	1	`knowledgeretention-help.mail.protection.`
TXT	3	`MS=ms81797760, google-site-verification=edItsnebTUw2sc6...`
SOA	1	`ns1.vercel-dns.com hostmaster.nsone.net`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.nic.help, a.nic.help, b.nic.help...)

Analysis

Hierarchy

The domain www.knowledgeretention.help falls under the parent knowledgeretention.help.

IP Addresses

knowledgeretention.help points to the IP addresses 216.150.1.129 and 216.150.16.193

Additional host names — pirislabs.io, www.zodiacando.com, de4ecbda14e6b458.vercel-dns-017.com and two others — share IP numbers with knowledgeretention.help.

Name Servers

Two name servers handle the delegation for knowledgeretention.help: ns1.vercel-dns.com and ns2.vercel-dns.com.

knowledgeretention.help shares its name server setup with other domains, including heritageresortsharkbay.com.au, kontraposto.com, praygram.net and two others.

knowledgeretention.help has some name servers in common with other domains such as sleekapp.io, geekmasher.dev and young-old.com

ns1.vercel-dns.com and ns2.vercel-dns.com both carry two IP addresses. The A records for ns1.vercel-dns.com are 198.51.44.13 and 2620:4d:4000:6259:7:13:0:1; the A records for ns2.vercel-dns.com are 198.51.45.13 and 2a00:edc0:6259:7:13::2.

Mail Servers

knowledgeretention.help has one mail server: knowledgeretention-help.mail.protection.outlook.com.

knowledgeretention-help.mail.protection.outlook.com points to 8 IP numbers: 52.101.9.2, 52.101.9.21, 52.101.40.1 and 5 other.