randk.com - dns.ninja

`randk.com`

DNSSEC	⚠️ Not signed
A	104.18.0.4^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.1.4^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`nina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a88^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c088^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2088^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nina.ns.cloudflare.com`
		A	108.162.192.136^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	172.64.32.136^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	173.245.58.136^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
NS	`thomas.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thomas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thomas.ns.cloudflare.com`
		A	108.162.193.238^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
		A	172.64.33.238^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
		A	173.245.59.238^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
MX	`randk-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c922::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:f905::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr02cu00203.inbound.protection.outlook.com`
		A	2a01:111:f403:f910::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.9.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00103.inbound.protection.outlook.com`
		A	52.101.41.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00305.inbound.protection.outlook.com`
		A	52.101.50.7^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr21cu00207.inbound.protection.outlook.com`
		A	52.101.194.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00303.inbound.protection.outlook.com`
TXT	`9jns30vj4u5vkaar9hfnrlnteo`
TXT	`MS=ms12803894`
TXT	`smartsheet-site-validation=KVysksndYBDXCx-WQBpkdctvvLPsx88d`
TXT	`v=spf1 mx a:x.uslbm.us include:spfm.uslbm.us ~all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.0.4, 104.18.1.4
SOA	`nina.ns.cloudflare.com`dns@cloudflare.com serial=2408388360

`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=1783236066

Subdomains

mail.randk.com

Same first word

randk.co.uk

randk.pro

randk.com.tw

randk.ru

randk.com

randk.net

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nkrad.com

DNS History

19 records (5 active, 14 former)

○NSdarl.ns.cloudflare.com2016-04-26 → 2017-11-28 · 5 obs

○ 2015-12-31 17:54:30
● 2016-04-26 07:10:24
● 2017-11-28 04:31:42
○ 2026-02-28 11:19:54
○ 2026-07-05 07:37:56

○NSlucy.ns.cloudflare.com2016-04-26 → 2017-11-28 · 5 obs

○ 2015-12-31 17:54:30
● 2016-04-26 07:10:24
● 2017-11-28 04:31:42
○ 2026-02-28 11:19:54
○ 2026-07-05 07:37:56

●NSnina.ns.cloudflare.com2026-02-28 → 2026-07-05 · 3 obs

○ 2017-11-28 04:31:42
● 2026-02-28 11:19:54
● 2026-07-05 07:37:56

○NSns37.domaincontrol.com2015-05-27 → 2015-12-31 · 4 obs

● 2015-05-27 11:30:22
● 2015-12-31 17:54:30
○ 2016-04-26 07:10:24
○ 2026-07-05 07:37:56

○NSns38.domaincontrol.com2015-05-27 → 2015-12-31 · 4 obs

● 2015-05-27 11:30:22
● 2015-12-31 17:54:30
○ 2016-04-26 07:10:24
○ 2026-07-05 07:37:56

●NSthomas.ns.cloudflare.com2026-02-28 → 2026-07-05 · 3 obs

○ 2017-11-28 04:31:42
● 2026-02-28 11:19:54
● 2026-07-05 07:37:56

○MXmail.randk.com2016-04-26 → 2016-04-26 · 4 obs

○ 2015-12-31 17:54:30
● 2016-04-26 07:10:24
○ 2016-12-05 04:20:38
○ 2026-07-05 07:37:56

○MXmailstore1.secureserver.net2015-05-27 → 2015-12-31 · 4 obs

● 2015-05-27 11:30:22
● 2015-12-31 17:54:30
○ 2016-04-26 07:10:24
○ 2026-07-05 07:37:56

●MXrandk-com.mail.protection.outlook.com2026-02-28 → 2026-07-05 · 3 obs

○ 2017-11-28 04:31:42
● 2026-02-28 11:19:54
● 2026-07-05 07:37:56

○MXsmtp.secureserver.net2015-05-27 → 2015-12-31 · 4 obs

● 2015-05-27 11:30:22
● 2015-12-31 17:54:30
○ 2016-04-26 07:10:24
○ 2026-07-05 07:37:56

○MXus-smtp-inbound-1.mimecast.com2016-12-05 → 2017-11-28 · 5 obs

○ 2016-04-26 07:10:24
● 2016-12-05 04:20:38
● 2017-11-28 04:31:42
○ 2026-02-28 11:19:54
○ 2026-07-05 07:37:56

○MXus-smtp-inbound-2.mimecast.com2016-12-05 → 2017-11-28 · 5 obs

○ 2016-04-26 07:10:24
● 2016-12-05 04:20:38
● 2017-11-28 04:31:42
○ 2026-02-28 11:19:54
○ 2026-07-05 07:37:56

●A104.18.0.42026-02-28 → 2026-07-05 · 3 obs

○ 2017-11-28 04:31:42
● 2026-02-28 11:19:54
● 2026-07-05 07:37:56

●A104.18.1.42026-02-28 → 2026-07-05 · 3 obs

○ 2017-11-28 04:31:42
● 2026-02-28 11:19:54
● 2026-07-05 07:37:56

○A104.27.136.1382016-04-26 → 2017-11-28 · 5 obs

○ 2015-12-31 17:54:30
● 2016-04-26 07:10:24
● 2017-11-28 04:31:42
○ 2026-02-28 11:19:54
○ 2026-07-05 07:37:56

○A104.27.137.1382016-04-26 → 2017-11-28 · 5 obs

○ 2015-12-31 17:54:30
● 2016-04-26 07:10:24
● 2017-11-28 04:31:42
○ 2026-02-28 11:19:54
○ 2026-07-05 07:37:56

○A2400:cb00:2048:1::681b:888a2016-12-05 → 2017-11-28 · 5 obs

○ 2016-04-26 07:10:24
● 2016-12-05 04:20:38
● 2017-11-28 04:31:42
○ 2026-02-28 11:19:54
○ 2026-07-05 07:37:56

○A2400:cb00:2048:1::681b:898a2016-12-05 → 2017-11-28 · 5 obs

○ 2016-04-26 07:10:24
● 2016-12-05 04:20:38
● 2017-11-28 04:31:42
○ 2026-02-28 11:19:54
○ 2026-07-05 07:37:56

○A50.63.202.152015-05-27 → 2015-12-31 · 4 obs

● 2015-05-27 11:30:22
● 2015-12-31 17:54:30
○ 2016-04-26 07:10:24
○ 2026-07-05 07:37:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...	-
randk.com	nina.ns.cloudflare.com, thomas.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.238

NS records: nina.ns.cloudflare.com, thomas.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 423ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.0.4, 104.18.1.4`
NS	2	`nina.ns.cloudflare.com, thomas.ns.cloudflare.com`
MX	1	`randk-com.mail.protection.outlook.com (p`
TXT	4	`9jns30vj4u5vkaar9hfnrlnteo, MS=ms12803894...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`nina.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nina.ns.cloudflare.com, nina.ns.cloudflare.com, nina.ns.cloudflare.com...)

Analysis

Hierarchy

mail.randk.com is delegated beneath randk.com.

IP Addresses

randk.com points to the IP addresses 104.18.0.4 and 104.18.1.4

Among the host names that share IP numbers with randk.com are www.efficient-attic-austin.com, www.cargiant.co.uk, racheloil.com and two others.

Name Servers

randk.com uses two name servers for its delegation: nina.ns.cloudflare.com and thomas.ns.cloudflare.com.

randk.com has the same name server delegation as a number of other domains, such as barronskitchens.com, hinesroofing.com, mckinney-lumber.net and two more.

There is at least partial name server overlap between randk.com and other domains — jtxnt.com, korone.zip, vortexbetprime.com and two more among them.

These name servers tend to appear in combination with the name servers wally.ns.cloudflare.com, adrian.ns.cloudflare.com, vita.ns.cloudflare.com and kip.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname nina.ns.cloudflare.com directs to 108.162.192.136, 172.64.32.136 and 173.245.58.136 along with 3 other IP addresses.

Hostname thomas.ns.cloudflare.com directs to 108.162.193.238, 172.64.33.238 and 173.245.59.238 along with 3 other IP addresses.

Mail Servers

randk.com routes its mail through a single mail server, randk-com.mail.protection.outlook.com.

randk-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.9.11, 52.101.41.21 and 52.101.50.7, along with 5 other.