`michelsonlab.com`

DNSSEC	⚠️ Not signed
A	192.254.189.52^{🇺🇸 EIGI192.254.128.0/18}
		PTR	`192-254-189-52.unifiedlayer.com`
NS	`ns97.worldnic.com` ⭐
		A	162.159.26.217^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns98.worldnic.com`
		A	162.159.27.155^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`d200138a.ess.barracudanetworks.com` ⭐
		A	209.222.82.252^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.253^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.255^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
MX	`d200138b.ess.barracudanetworks.com`⁽²⁰⁾
		A	209.222.82.252^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.253^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.255^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
TXT	`v=spf1 ip4:47.176.41.42/32 a:smtp.michelsonlab.com ip4:207.211.41.113/32 incl...`
TXT	`0ed1fe018ab6eaf556f17b45ca9aca37107b767c0c`
SOA	`NS97.WORLDNIC.com`namehost@WORLDNIC.com serial=124090520

`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=1778614396

Subdomains

smtp.michelsonlab.com

www.michelsonlab.com

Same first word

michelsonlab.com

DNS History

9 records (5 active, 4 former)

●NSns97.worldnic.com2015-07-12 → 2026-05-12 · 2 obs

● 2015-07-12 03:11:06
● 2026-05-12 19:44:40

●NSns98.worldnic.com2015-07-12 → 2026-05-12 · 2 obs

● 2015-07-12 03:11:06
● 2026-05-12 19:44:40

●MXd200138a.ess.barracudanetworks.com2026-02-20 → 2026-05-12 · 3 obs

○ 2017-03-29 23:18:50
● 2026-02-20 08:52:02
● 2026-05-12 19:44:40

●MXd200138b.ess.barracudanetworks.com2026-02-20 → 2026-05-12 · 3 obs

○ 2017-03-29 23:18:50
● 2026-02-20 08:52:02
● 2026-05-12 19:44:40

○MXmichelsonlab.com.c2.mx1.ik2.com2015-07-12 → 2017-03-29 · 4 obs

● 2015-07-12 03:11:06
● 2017-03-29 23:18:50
○ 2026-02-20 08:52:02
○ 2026-05-12 19:44:40

○MXmichelsonlab.com.c2.mx2.ik2.io2015-07-12 → 2017-03-29 · 4 obs

● 2015-07-12 03:11:06
● 2017-03-29 23:18:50
○ 2026-02-20 08:52:02
○ 2026-05-12 19:44:40

○MXmichelsonlab.com.c2.mx3.ik2.eu2015-07-12 → 2017-03-29 · 4 obs

● 2015-07-12 03:11:06
● 2017-03-29 23:18:50
○ 2026-02-20 08:52:02
○ 2026-05-12 19:44:40

●A192.254.189.522026-02-20 → 2026-05-12 · 3 obs

○ 2017-03-29 23:18:50
● 2026-02-20 08:52:02
● 2026-05-12 19:44:40

○A64.60.54.1652015-07-12 → 2017-03-29 · 4 obs

● 2015-07-12 03:11:06
● 2017-03-29 23:18:50
○ 2026-02-20 08:52:02
○ 2026-05-12 19:44:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
michelsonlab.com	ns97.worldnic.com, ns98.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.217

NS records: ns97.worldnic.com, ns98.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for michelsonlab.com (unsigned zone)

⏱️ Timing

Total: 1684ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.254.189.52`
NS	2	`ns98.worldnic.com, ns97.worldnic.com`
MX	2	`d200138a.ess.barracudanetworks.com (pri:, d200138b.ess.barracudanetworks.com (pri:`
TXT	2	`v=spf1 ip4:47.176.41.42/32 a:smtp.michel, 0ed1fe018ab6eaf556f17b45ca9aca37107b767c`
SOA	1	`NS97.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns97.worldnic.com, ns98.worldnic.com)

Analysis

Hierarchy

michelsonlab.com is a parent of smtp.michelsonlab.com and www.michelsonlab.com.

IP Addresses

michelsonlab.com resolves to one IP number: 192.254.189.52.

Other host names, for instance mail.paulsolves.com, gateaccesshouston.com, jrspeech.com, michaelrichan.com and mail.jrspeech.com share IP numbers with michelsonlab.com.

Name Servers

michelsonlab.com's delegation uses two name servers: ns97.worldnic.com and ns98.worldnic.com.

michelsonlab.com uses the same name server setup as other domains, such as bovinesomatatropin.org, coaccounting.com, pgisd.net, difeos.com and kordik.com.

michelsonlab.com at least partially shares name servers with other domains, for example tshirtexpress.nyc.

Host names with a single IP address: ns97.worldnic.com points to 162.159.26.217; ns98.worldnic.com points to 162.159.27.155.

Mail Servers

michelsonlab.com is served by two mail servers d200138a.ess.barracudanetworks.com and d200138b.ess.barracudanetworks.com.

Host names with three IP numbers

d200138a.ess.barracudanetworks.com points to: 209.222.82.252, 209.222.82.253 and 209.222.82.255

d200138b.ess.barracudanetworks.com points to: 209.222.82.252, 209.222.82.253 and 209.222.82.255

Host names that point to 209.222.82.252: d200138a.ess.barracudanetworks.com and d200138b.ess.barracudanetworks.com

Host names that point to 209.222.82.253: d200138a.ess.barracudanetworks.com and d200138b.ess.barracudanetworks.com

Host names that point to 209.222.82.255: d200138a.ess.barracudanetworks.com and d200138b.ess.barracudanetworks.com

michelsonlab.com - robtex.com