`markrosenfeld.com`

DNSSEC	⚠️ Not signed
A	184.98.199.33^{🇺🇸 AS209184.98.0.0/16}
		PTR	`184-98-199-33.phnx.qwest.net`
NS	`ns1.dreamhost.com` ⭐
		A	162.159.26.14^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dreamhost.com`
NS	`ns2.dreamhost.com`
		A	162.159.26.81^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dreamhost.com`
NS	`ns3.dreamhost.com`
		A	162.159.27.84^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.dreamhost.com`
MX	`markrosenfeld-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c927::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.9.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00205.inbound.protection.outlook.com`
		A	52.101.11.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.41.54^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00506.inbound.protection.outlook.com`
		A	52.101.194.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch1pr04cu00103.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.dreamhost.com`hostmaster@dreamhost.com 2026-03-18 #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=1771291435

Same first word

markrosenfeld.com

DNS History

10 records (5 active, 5 former)

○NSns07.domaincontrol.com2015-05-05 → 2016-08-10 · 4 obs

● 2015-05-05 17:57:04
● 2016-08-10 18:20:02
○ 2018-07-23 21:30:54
○ 2026-03-23 20:44:34

○NSns08.domaincontrol.com2015-05-05 → 2016-08-10 · 4 obs

● 2015-05-05 17:57:04
● 2016-08-10 18:20:02
○ 2018-07-23 21:30:54
○ 2026-03-23 20:44:34

●NSns1.dreamhost.com2018-07-23 → 2026-03-23 · 3 obs

○ 2016-08-10 18:20:02
● 2018-07-23 21:30:54
● 2026-03-23 20:44:34

●NSns2.dreamhost.com2018-07-23 → 2026-03-23 · 3 obs

○ 2016-08-10 18:20:02
● 2018-07-23 21:30:54
● 2026-03-23 20:44:34

●NSns3.dreamhost.com2018-07-23 → 2026-03-23 · 3 obs

○ 2016-08-10 18:20:02
● 2018-07-23 21:30:54
● 2026-03-23 20:44:34

○MXmail.nextrep.com2015-05-05 → 2016-08-10 · 4 obs

● 2015-05-05 17:57:04
● 2016-08-10 18:20:02
○ 2018-07-23 21:30:54
○ 2026-03-23 20:44:34

●MXmarkrosenfeld-com.mail.protection.outlook.com2018-07-23 → 2026-03-23 · 3 obs

○ 2016-08-10 18:20:02
● 2018-07-23 21:30:54
● 2026-03-23 20:44:34

●A184.98.199.332026-02-27 → 2026-03-23 · 3 obs

○ 2018-07-23 21:30:54
● 2026-02-27 15:21:40
● 2026-03-23 20:44:34

○A68.14.210.1672015-05-05 → 2018-07-23 · 4 obs

● 2015-05-05 17:57:04
● 2018-07-23 21:30:54
○ 2026-02-27 15:21:40
○ 2026-03-23 20:44:34

○A71.35.20.1452026-02-27 → 2026-03-23 · 2 obs

○ 2026-02-27 15:21:40
○ 2026-03-23 20:44:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...	-
markrosenfeld.com	ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com	3 records

✅ Authoritative Response

Server:162.159.26.14

NS records: ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for markrosenfeld.com (unsigned zone)

⏱️ Timing

Total: 1692ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`184.98.199.33`
NS	3	`ns1.dreamhost.com, ns2.dreamhost.com...`
MX	1	`markrosenfeld-com.mail.protection.outloo`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.dreamhost.com hostmaster.dreamhost.c`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com)

Analysis

IP Addresses

markrosenfeld.com resolves to one IP number: 184.98.199.33.

Name Servers

markrosenfeld.com is delegated to three name servers: ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com.

markrosenfeld.com at least partially shares name servers with other domains, including a-peer.com, dankatie.com, cbrac.com, pujo.net and numbersandnotes.com.

Host names with a single IP:

ns1.dreamhost.com points to 162.159.26.14; ns2.dreamhost.com points to 162.159.26.81; ns3.dreamhost.com points to 162.159.27.84.

Mail Servers

A single mail server handles markrosenfeld.com, markrosenfeld-com.mail.protection.outlook.com.

Host markrosenfeld-com.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:c927::, 2a01:111:f403:c946::, 2a01:111:f403:c946::7, 2a01:111:f403:f90d::1, 52.101.9.21, 52.101.11.17, 52.101.41.54 and 52.101.194.3.

markrosenfeld.com - robtex.com