`grokked.com`

DNSSEC	⚠️ Not signed
A	103.168.172.37^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
		PTR	`www.messagingengine.com`
A	103.168.172.52^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
NS	`ns1.messagingengine.com` ⭐
		A	162.159.24.178^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.messagingengine.com`
NS	`ns2.messagingengine.com`
		A	162.159.25.191^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.messagingengine.com`
MX	`us1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`us2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`v=spf1 include:spf.messagingengine.com ?all`
SOA	`ns1.messagingengine.com`postmaster@messagingengine.com 2026-08-05 #0

`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=1786669719

Subdomains

ns2.grokked.com

Same first word

grokked.com

DNS History

16 records (6 active, 10 former)

○NSdns1.stabletransit.com2015-07-16 → 2016-02-28 · 4 obs

● 2015-07-16 11:50:28
● 2016-02-28 10:14:32
○ 2016-11-27 10:32:50
○ 2026-08-14 01:22:40

○NSdns2.stabletransit.com2015-07-16 → 2016-02-28 · 4 obs

● 2015-07-16 11:50:28
● 2016-02-28 10:14:32
○ 2016-11-27 10:32:50
○ 2026-08-14 01:22:40

○NSns-1300.awsdns-34.org2016-11-27 → 2016-11-27 · 4 obs

○ 2016-02-28 10:14:32
● 2016-11-27 10:32:50
○ 2026-07-08 10:21:48
○ 2026-08-14 01:22:40

○NSns-1862.awsdns-40.co.uk2016-11-27 → 2016-11-27 · 4 obs

○ 2016-02-28 10:14:32
● 2016-11-27 10:32:50
○ 2026-07-08 10:21:48
○ 2026-08-14 01:22:40

○NSns-455.awsdns-56.com2016-11-27 → 2016-11-27 · 4 obs

○ 2016-02-28 10:14:32
● 2016-11-27 10:32:50
○ 2026-07-08 10:21:48
○ 2026-08-14 01:22:40

○NSns-692.awsdns-22.net2016-11-27 → 2016-11-27 · 4 obs

○ 2016-02-28 10:14:32
● 2016-11-27 10:32:50
○ 2026-07-08 10:21:48
○ 2026-08-14 01:22:40

○NSns.rackspace.com2015-07-16 → 2016-02-28 · 4 obs

● 2015-07-16 11:50:28
● 2016-02-28 10:14:32
○ 2016-11-27 10:32:50
○ 2026-08-14 01:22:40

●NSns1.messagingengine.com2026-07-08 → 2026-08-14 · 3 obs

○ 2016-11-27 10:32:50
● 2026-07-08 10:21:48
● 2026-08-14 01:22:40

●NSns2.messagingengine.com2026-07-08 → 2026-08-14 · 3 obs

○ 2016-11-27 10:32:50
● 2026-07-08 10:21:48
● 2026-08-14 01:22:40

○MXin1-smtp.messagingengine.com2015-07-16 → 2016-11-27 · 4 obs

● 2015-07-16 11:50:28
● 2016-11-27 10:32:50
○ 2026-07-08 10:21:48
○ 2026-08-14 01:22:40

○MXin2-smtp.messagingengine.com2015-07-16 → 2016-11-27 · 4 obs

● 2015-07-16 11:50:28
● 2016-11-27 10:32:50
○ 2026-07-08 10:21:48
○ 2026-08-14 01:22:40

●MXus1-smtp.messagingengine.com2026-07-08 → 2026-08-14 · 3 obs

○ 2016-11-27 10:32:50
● 2026-07-08 10:21:48
● 2026-08-14 01:22:40

●MXus2-smtp.messagingengine.com2026-07-08 → 2026-08-14 · 3 obs

○ 2016-11-27 10:32:50
● 2026-07-08 10:21:48
● 2026-08-14 01:22:40

●A103.168.172.372026-07-08 → 2026-08-14 · 3 obs

○ 2016-11-27 10:32:50
● 2026-07-08 10:21:48
● 2026-08-14 01:22:40

●A103.168.172.522026-07-08 → 2026-08-14 · 3 obs

○ 2016-11-27 10:32:50
● 2026-07-08 10:21:48
● 2026-08-14 01:22:40

○A54.159.124.1912016-11-27 → 2016-11-27 · 3 obs

● 2016-11-27 10:32:50
○ 2026-07-08 10:21:48
○ 2026-08-14 01:22:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
grokked.com	ns1.messagingengine.com, ns2.messagingengine.com	2 records

✅ Authoritative Response

Server:162.159.25.191

NS records: ns1.messagingengine.com, ns2.messagingengine.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grokked.com (unsigned zone)

⏱️ Timing

Total: 151ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`103.168.172.37, 103.168.172.52`
NS	2	`ns1.messagingengine.com, ns2.messagingengine.com`
MX	2	`us1-smtp.messagingengine.com (pri: 10), us2-smtp.messagingengine.com (pri: 20)`
TXT	1	`v=spf1 include:spf.messagingengine.com ?`
SOA	1	`ns1.messagingengine.com postmaster.messa`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.messagingengine.com, ns2.messagingengine.com)

Analysis

Hierarchy

grokked.com is the parent zone for ns2.grokked.com.

IP Addresses

grokked.com directs to two IP numbers, 103.168.172.37 and 103.168.172.52

Among the host names that share IP numbers with grokked.com are spanischunterricht.ch, proxyten.com, lnn.net and two others.

Name Servers

Two name servers handle the delegation for grokked.com: ns1.messagingengine.com and ns2.messagingengine.com.

grokked.com has the same name server delegation as a number of other domains, such as michaelbeer.net, johneo.com, lostarchives.net and two more.

grokked.com partially shares its name servers with domains like mrhappy.com and mushroomclone.com.

ns1.messagingengine.com resolves to 162.159.24.178. ns2.messagingengine.com resolves to 162.159.25.191. Both host names point to a single IP number.

Mail Servers

The MX records for grokked.com point to two mail servers: us1-smtp.messagingengine.com and us2-smtp.messagingengine.com.

grokked.com has the same mail server arrangement as a number of other domains, for example hanzigrids.com, bilde.com, sqlitebrowser.app and two more.

Host names resolving to 8 IP numbers:

us1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217 and 103.168.172.218 among others, with 5 other IP addresses in total.

Hosts pointing to four IP addresses:

us2-smtp.messagingengine.com maps to the following IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

grokked.com - robtex.com

grokked.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`grokked.com`

`com`