`markriechman.com`

DNSSEC	⚠️ Not signed
A	52.53.54.161^{🇺🇸 Amazon52.52.0.0/15 EC2 SFO prefix}
		PTR	`ec2-52-53-54-161.us-west-1.compute.amazonaws.com`
NS	`ns-1529.awsdns-63.org` ⭐
		A	2600:9000:5305:f900::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1529.awsdns-63.org`
		A	205.251.197.249^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1529.awsdns-63.org`
NS	`ns-1844.awsdns-38.co.uk`
		A	2600:9000:5307:3400::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1844.awsdns-38.co.uk`
		A	205.251.199.52^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1844.awsdns-38.co.uk`
NS	`ns-437.awsdns-54.com`
		A	2600:9000:5301:b500::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-437.awsdns-54.com`
		A	205.251.193.181^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-437.awsdns-54.com`
NS	`ns-939.awsdns-53.net`
		A	2600:9000:5303:ab00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-939.awsdns-53.net`
		A	205.251.195.171^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-939.awsdns-53.net`
SOA	`ns-1529.awsdns-63.org`awsdns-hostmaster@amazon.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=1774724462

WOT: SAFE (68/100)

Same first word

markriechman.com

DNS History

11 records (5 active, 6 former)

●NSns-1529.awsdns-63.org2026-03-04 → 2026-03-28 · 3 obs

○ 2018-08-19 00:38:48
● 2026-03-04 17:17:22
● 2026-03-28 19:08:04

●NSns-1844.awsdns-38.co.uk2026-03-04 → 2026-03-28 · 3 obs

○ 2018-08-19 00:38:48
● 2026-03-04 17:17:22
● 2026-03-28 19:08:04

●NSns-437.awsdns-54.com2026-03-04 → 2026-03-28 · 3 obs

○ 2018-08-19 00:38:48
● 2026-03-04 17:17:22
● 2026-03-28 19:08:04

●NSns-939.awsdns-53.net2026-03-04 → 2026-03-28 · 3 obs

○ 2018-08-19 00:38:48
● 2026-03-04 17:17:22
● 2026-03-28 19:08:04

○NSns91.worldnic.com2015-06-04 → 2018-08-19 · 4 obs

● 2015-06-04 11:10:04
● 2018-08-19 00:38:48
○ 2026-03-04 17:17:22
○ 2026-03-28 19:08:04

○NSns92.worldnic.com2015-06-04 → 2018-08-19 · 4 obs

● 2015-06-04 11:10:04
● 2018-08-19 00:38:48
○ 2026-03-04 17:17:22
○ 2026-03-28 19:08:04

○MXinbound.markriechman.com.netsolmail.net2015-06-04 → 2017-01-10 · 4 obs

● 2015-06-04 11:10:04
● 2017-01-10 15:18:46
○ 2018-08-19 00:38:48
○ 2026-03-28 19:08:04

○MXmx1.netsolmail.net2018-08-19 → 2018-08-19 · 4 obs

○ 2017-01-10 15:18:46
● 2018-08-19 00:38:48
○ 2026-03-04 17:17:22
○ 2026-03-28 19:08:04

○A199.115.216.22018-08-19 → 2018-08-19 · 4 obs

○ 2017-01-10 15:18:46
● 2018-08-19 00:38:48
○ 2026-03-04 17:17:22
○ 2026-03-28 19:08:04

○A208.77.209.1282015-06-04 → 2017-01-10 · 4 obs

● 2015-06-04 11:10:04
● 2017-01-10 15:18:46
○ 2018-08-19 00:38:48
○ 2026-03-28 19:08:04

●A52.53.54.1612026-03-04 → 2026-03-28 · 3 obs

○ 2018-08-19 00:38:48
● 2026-03-04 17:17:22
● 2026-03-28 19:08:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
markriechman.com	ns-437.awsdns-54.com, ns-939.awsdns-53.net, ns-1844.awsdns-38.co.uk, ns-1529.awsdns-63.org	1 record

✅ Authoritative Response

Server:205.251.193.181

NS records: ns-437.awsdns-54.com, ns-939.awsdns-53.net, ns-1844.awsdns-38.co.uk, ns-1529.awsdns-63.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for markriechman.com (unsigned zone)

⏱️ Timing

Total: 350ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.53.54.161`
NS	4	`ns-1529.awsdns-63.org, ns-1844.awsdns-38.co.uk...`
SOA	1	`ns-1529.awsdns-63.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-437.awsdns-54.com)

Analysis

IP Addresses

markriechman.com resolves to one IP number: 52.53.54.161.

other host names including doctormikedmd.com, deepriverdentistry.com, thenewarkdentist.com, dedental.com and lawrencechendds.com share IP numbers with markriechman.com.

Name Servers

markriechman.com is delegated to four name servers: ns-437.awsdns-54.com, ns-939.awsdns-53.net, ns-1529.awsdns-63.org and ns-1844.awsdns-38.co.uk.

markriechman.com at least partially shares name servers with other domains, for instance websiteswift.com, factify.com, nissanpace.com, softwarefordoctors.net and iqraa.bh.

Host names with two IP numbers:

ns-437.awsdns-54.com points to 2600:9000:5301:b500::1 and 205.251.193.181; ns-939.awsdns-53.net points to 2600:9000:5303:ab00::1 and 205.251.195.171; ns-1529.awsdns-63.org points to 2600:9000:5305:f900::1 and 205.251.197.249; ns-1844.awsdns-38.co.uk points to 2600:9000:5307:3400::1 and 205.251.199.52.

markriechman.com - robtex.com