`markholthusen.com`

DNSSEC	⚠️ Not signed
A	198.49.23.145^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`ns-cloud-a1.googledomains.com` ⭐
		A	2001:4860:4802:32::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a1.googledomains.com`
		A	216.239.32.106^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-a1.googledomains.com`
NS	`ns-cloud-a2.googledomains.com`
		A	2001:4860:4802:34::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a2.googledomains.com`
		A	216.239.34.106^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-a2.googledomains.com`
NS	`ns-cloud-a3.googledomains.com`
		A	2001:4860:4802:36::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a3.googledomains.com`
		A	216.239.36.106^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-a3.googledomains.com`
NS	`ns-cloud-a4.googledomains.com`
		A	2001:4860:4802:38::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a4.googledomains.com`
		A	216.239.38.106^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-a4.googledomains.com`
MX	`markholthusen-com.mail.protection.outlook.com` ⭐
TXT	`v=spf1 include:secureserver.net -all`
TXT	`zoho-verification=zb11535200.zmverify.zoho.com`
SOA	`ns-cloud-a1.googledomains.com`cloud-dns-hostmaster@google.com serial=1

`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=1778765891

WOT: UNKNOWN (70/100)

Subdomains

mail.markholthusen.com

DNS History

12 records (6 active, 6 former)

●NSns-cloud-a1.googledomains.com2026-05-14 → 2026-05-14 · 3 obs

○ 2017-11-01 15:28:04
● 2026-05-14 13:43:20
● 2026-05-14 13:43:22

●NSns-cloud-a2.googledomains.com2026-05-14 → 2026-05-14 · 3 obs

○ 2017-11-01 15:28:04
● 2026-05-14 13:43:20
● 2026-05-14 13:43:22

●NSns-cloud-a3.googledomains.com2026-05-14 → 2026-05-14 · 3 obs

○ 2017-11-01 15:28:04
● 2026-05-14 13:43:20
● 2026-05-14 13:43:22

●NSns-cloud-a4.googledomains.com2026-05-14 → 2026-05-14 · 3 obs

○ 2017-11-01 15:28:04
● 2026-05-14 13:43:20
● 2026-05-14 13:43:22

○NSns1.mediatemple.net2015-05-29 → 2017-11-01 · 4 obs

● 2015-05-29 23:32:58
● 2017-11-01 15:28:04
○ 2026-05-14 13:43:20
○ 2026-05-14 13:43:22

○NSns2.mediatemple.net2015-05-29 → 2017-11-01 · 4 obs

● 2015-05-29 23:32:58
● 2017-11-01 15:28:04
○ 2026-05-14 13:43:20
○ 2026-05-14 13:43:22

○MXmail.markholthusen.com2015-05-29 → 2017-11-01 · 4 obs

● 2015-05-29 23:32:58
● 2017-11-01 15:28:04
○ 2026-05-14 13:43:20
○ 2026-05-14 13:43:22

●MXmarkholthusen-com.mail.protection.outlook.com2026-05-14 → 2026-05-14 · 3 obs

○ 2017-11-01 15:28:04
● 2026-05-14 13:43:20
● 2026-05-14 13:43:22

○A198.185.159.1442015-05-29 → 2017-11-01 · 4 obs

● 2015-05-29 23:32:58
● 2017-11-01 15:28:04
○ 2026-05-14 13:43:20
○ 2026-05-14 13:43:22

○A198.185.159.1452015-05-29 → 2017-11-01 · 4 obs

● 2015-05-29 23:32:58
● 2017-11-01 15:28:04
○ 2026-05-14 13:43:20
○ 2026-05-14 13:43:22

○A198.49.23.1442015-05-29 → 2017-11-01 · 4 obs

● 2015-05-29 23:32:58
● 2017-11-01 15:28:04
○ 2026-05-14 13:43:20
○ 2026-05-14 13:43:22

●A198.49.23.1452015-05-29 → 2026-05-14 · 2 obs

● 2015-05-29 23:32:58
● 2026-05-14 13:43:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...	-
markholthusen.com	ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.32.106

NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for markholthusen.com (unsigned zone)

⏱️ Timing

Total: 875ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.49.23.145`
NS	4	`ns-cloud-a2.googledomains.com, ns-cloud-a1.googledomains.com...`
MX	1	`markholthusen-com.mail.protection.outloo`
TXT	2	`v=spf1 include:secureserver.net -all, zoho-verification=zb11535200.zmverify.zo`
SOA	1	`ns-cloud-a1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)

Analysis

Hierarchy

The parent of mail.markholthusen.com is markholthusen.com.

IP Addresses

markholthusen.com points to a single IP address: 198.49.23.145.

Other host names such as aeromethow.org, stonesstillspeak.com, ameo.ch, springcareerservices.com and this-d.com share IPs with markholthusen.com.

Name Servers

markholthusen.com is delegated to four name servers: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.

markholthusen.com at least partially shares name servers with other domains, for example hinland.com, vivintsales.com, tobiasmarjanovic.com, ngfq5dstrk.com and isidorefarms.com.

Host names with two IP numbers:

ns-cloud-a1.googledomains.com points to: 2001:4860:4802:32::6a and 216.239.32.106

ns-cloud-a2.googledomains.com points to: 2001:4860:4802:34::6a and 216.239.34.106

ns-cloud-a3.googledomains.com points to: 2001:4860:4802:36::6a and 216.239.36.106

ns-cloud-a4.googledomains.com points to: 2001:4860:4802:38::6a and 216.239.38.106

Mail Servers

The markholthusen-com.mail.protection.outlook.com mail server handles markholthusen.com.

markholthusen.com - robtex.com