groknull.com - dns.ninja

`groknull.com`

DNSSEC	⚠️ Not signed
A	2602:f4dc:0:2:130:12:69:55^{AS4017072602:f4dc::/48 655 North Franklin Street Tampa, FL 33602 United States}
		PTR	`pris.assertnull.com`
A	130.12.69.55^{AS46172130.12.68.0/22 X-ID Superblock}
NS	`ashton.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cad^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ashton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ad^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ashton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ad^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ashton.ns.cloudflare.com`
		A	108.162.195.173^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ashton.ns.cloudflare.com`
		A	162.159.44.173^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ashton.ns.cloudflare.com`
		A	172.64.35.173^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ashton.ns.cloudflare.com`
NS	`marlowe.ns.cloudflare.com`
		A	2606:4700:50::a29f:26d4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marlowe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marlowe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marlowe.ns.cloudflare.com`
		A	108.162.194.212^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marlowe.ns.cloudflare.com`
		A	162.159.38.212^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marlowe.ns.cloudflare.com`
		A	172.64.34.212^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marlowe.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=wxmDZOtuoNrtSdox`
TXT	`v=spf1 mx a ip4:130.12.69.55/32 ip4:96.31.83.186/32 ip6:2602:f4dc:0:2:130:12:...`
SOA	`ashton.ns.cloudflare.com`dns@cloudflare.com serial=2409964294

`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=1784860957

Subdomains

pris.groknull.com

smtp.groknull.com

Same first word

groknull.com

Similar names

gullkorn.no

DNS History

11 records (6 active, 5 former)

●NSashton.ns.cloudflare.com2026-07-02 → 2026-07-24 · 3 obs

○ 2017-04-07 09:36:46
● 2026-07-02 15:41:18
● 2026-07-24 02:49:30

●NSmarlowe.ns.cloudflare.com2026-07-02 → 2026-07-24 · 3 obs

○ 2017-04-07 09:36:46
● 2026-07-02 15:41:18
● 2026-07-24 02:49:30

○NSns35.domaincontrol.com2015-05-26 → 2017-04-07 · 4 obs

● 2015-05-26 07:33:30
● 2017-04-07 09:36:46
○ 2026-07-02 15:41:18
○ 2026-07-24 02:49:30

○NSns36.domaincontrol.com2015-05-26 → 2017-04-07 · 4 obs

● 2015-05-26 07:33:30
● 2017-04-07 09:36:46
○ 2026-07-02 15:41:18
○ 2026-07-24 02:49:30

●MXmx01.mail.icloud.com2026-07-02 → 2026-07-24 · 3 obs

○ 2017-04-07 09:36:46
● 2026-07-02 15:41:18
● 2026-07-24 02:49:30

●MXmx02.mail.icloud.com2026-07-02 → 2026-07-24 · 3 obs

○ 2017-04-07 09:36:46
● 2026-07-02 15:41:18
● 2026-07-24 02:49:30

○MXsmtp.groknull.com2015-05-26 → 2017-04-07 · 4 obs

● 2015-05-26 07:33:30
● 2017-04-07 09:36:46
○ 2026-07-02 15:41:18
○ 2026-07-24 02:49:30

●A130.12.69.552026-07-02 → 2026-07-24 · 3 obs

○ 2017-04-07 09:36:46
● 2026-07-02 15:41:18
● 2026-07-24 02:49:30

●A2602:f4dc:0:2:130:12:69:552026-07-02 → 2026-07-24 · 3 obs

○ 2017-04-07 09:36:46
● 2026-07-02 15:41:18
● 2026-07-24 02:49:30

○A2604:4500:0:b:406a:ebff:fe0f:64d72015-05-26 → 2017-04-07 · 4 obs

● 2015-05-26 07:33:30
● 2017-04-07 09:36:46
○ 2026-07-02 15:41:18
○ 2026-07-24 02:49:30

○A96.31.83.1862015-05-26 → 2017-04-07 · 4 obs

● 2015-05-26 07:33:30
● 2017-04-07 09:36:46
○ 2026-07-02 15:41:18
○ 2026-07-24 02:49:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
groknull.com	marlowe.ns.cloudflare.com, ashton.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.173

NS records: marlowe.ns.cloudflare.com, ashton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groknull.com (unsigned zone)

⏱️ Timing

Total: 229ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`130.12.69.55`
AAAA	1	`2602:f4dc:0:2:130:12:69:55`
NS	2	`ashton.ns.cloudflare.com, marlowe.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	2	`apple-domain=wxmDZOtuoNrtSdox, v=spf1 mx a ip4:130.12.69.55/32 ip4:96.3`
SOA	1	`ashton.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

pris.groknull.com and smtp.groknull.com each fall under groknull.com as their parent domain.

IP Addresses

groknull.com points to the IP addresses 130.12.69.55 and 2602:f4dc:0:2:130:12:69:55

Two other host names, along with pris.assertnull.com, assertnull.com and ralston.email, also share IP numbers with groknull.com.

Name Servers

The NS records for groknull.com delegate to ashton.ns.cloudflare.com and marlowe.ns.cloudflare.com.

groknull.com shares its NS records with other domains, for example yeswqwq.workers.dev, nyle.ai, assertnull.com and two others.

There is at least partial name server overlap between groknull.com and other domains — kasih5000.space, centelia.net, teslatoto299.com and two more among them.

These name servers are routinely deployed together with the name servers naya.ns.cloudflare.com.

DNS names with 6 IP addresses:

ashton.ns.cloudflare.com maps to 108.162.195.173, 162.159.44.173, 172.64.35.173 and 3 additional IP addresses.

marlowe.ns.cloudflare.com maps to 108.162.194.212, 162.159.38.212, 172.64.34.212 and 3 additional IP addresses.

Mail Servers

groknull.com is served by two mail servers, mx01.mail.icloud.com and mx02.mail.icloud.com.

Among the domains sharing a mail server setup with groknull.com are rockandreview.com, louiseeimermann.com, islovedead.com and two others.

Some mail servers of groknull.com are also used by other domains, notably booksnblessings.com and belcourt.email.

DNS names with 6 IP addresses:

mx01.mail.icloud.com maps to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 additional IP addresses.

mx02.mail.icloud.com maps to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 additional IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.42.251.62 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.56.9.31 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.152.5 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.154.33 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.155.25 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.156.30 IP addresses.