simpson.com - dns.ninja

`simpson.com`

DNSSEC	⚠️ Not signed
NS	`ns63.worldnic.com` ⭐
		A	162.159.26.185^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns64.worldnic.com`
		A	162.159.27.127^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`us-smtp-inbound-1.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
MX	`us-smtp-inbound-2.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
MX	`simpson-com.mail.protection.outlook.com`⁽¹⁰⁾
		A	2a01:111:f403:c946::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:f905::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr02cu00203.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.9.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr05cu00504.inbound.protection.outlook.com`
		A	52.101.9.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr03cu00206.inbound.protection.outlook.com`
		A	52.101.9.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	52.101.41.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00103.inbound.protection.outlook.com`
TXT	`MS=ms13275623`
TXT	`include:_spf.messagegears.net`
TXT	`ats330bc8l9uk53b49kcbbrtkm`
TXT	`dena0puncpm7bjk6rh63v04j0j`
TXT	`duo_sso_verification=7v3bbCgIesvW1cX6yTH0JTWld0JF0g4ZXZZawwSJ8XTvt66IlbOKnDH6...`
TXT	`qvtlpv5t0bgp19shqegtdimi4s`
TXT	`v=spf1 ip4:50.237.43.114 ip4:207.224.235.250 ip4:64.226.125.68 ip4:68.168.242...`
TXT	`e2ma-verification=fasab`
SOA	`NS63.WORLDNIC.com`namehost@WORLDNIC.com serial=126062212

`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=1783957907

Subdomains

barracuda.simpson.com

meetme.simpson.com

simpson-bh.simpson.com

files.simpson.com

www.simpson.com

Same first word

simpson.at

simpson.se

simpson.org

simpson.ie

simpson.associates

simpson.io

simpson.edu

simpson.k12.ms.us

simpson.cn

simpson.biz.id

simpson.pro

simpson.in

simpson.com.au

simpson.de

simpson.ch

simpson.email

simpson.house

simpson.ru

simpson.im

simpson.k12.ky.us

simpson.nyc

simpson.co.nz

simpson.la

simpson.co

simpson.me

simpson.name

simpson.net

simpson.jp

simpson.li

simpson.org.nz

simpson.construction

simpson.co.uk

simpson.world

simpson.fm

simpson.cl

simpson.ms.us

simpson.us

simpson.center

simpson.es

simpson.com

Similar names

mipsson.com

inmossp.com

psimons.com

simspon.com

impsons.com

nospmis.com

simpons.com

spomins.com

pionsms.com

sinospm.com

pssimon.gitlab.io

DNS History

12 records (5 active, 7 former)

○NSns1.opticfusion.net2008-12-06 → 2008-12-06 · 3 obs

● 2008-12-06 10:01:28
○ 2015-06-11 22:13:54
○ 2026-07-13 16:13:36

○NSns2.opticfusion.net2008-12-06 → 2008-12-06 · 3 obs

● 2008-12-06 10:01:28
○ 2015-06-11 22:13:54
○ 2026-07-13 16:13:36

●NSns63.worldnic.com2015-06-11 → 2026-07-13 · 3 obs

○ 2008-12-06 10:01:28
● 2015-06-11 22:13:54
● 2026-07-13 16:13:36

●NSns64.worldnic.com2015-06-11 → 2026-07-13 · 3 obs

○ 2008-12-06 10:01:28
● 2015-06-11 22:13:54
● 2026-07-13 16:13:36

○NSsimpson-bh.simpson.com2008-12-06 → 2008-12-06 · 3 obs

● 2008-12-06 10:01:28
○ 2015-06-11 22:13:54
○ 2026-07-13 16:13:36

○MXbarracuda.simpson.com2008-12-06 → 2016-12-24 · 4 obs

● 2008-12-06 10:01:28
● 2016-12-24 22:10:08
○ 2026-03-01 08:28:04
○ 2026-07-13 16:13:36

●MXsimpson-com.mail.protection.outlook.com2026-03-01 → 2026-07-13 · 3 obs

○ 2016-12-24 22:10:08
● 2026-03-01 08:28:04
● 2026-07-13 16:13:36

●MXus-smtp-inbound-1.mimecast.com2026-03-01 → 2026-07-13 · 3 obs

○ 2016-12-24 22:10:08
● 2026-03-01 08:28:04
● 2026-07-13 16:13:36

●MXus-smtp-inbound-2.mimecast.com2026-03-01 → 2026-07-13 · 3 obs

○ 2016-12-24 22:10:08
● 2026-03-01 08:28:04
● 2026-07-13 16:13:36

○A205.178.189.1312015-12-20 → 2016-12-24 · 5 obs

○ 2015-10-30 18:11:06
● 2015-12-20 06:51:38
● 2016-12-24 22:10:08
○ 2026-03-01 08:28:04
○ 2026-07-13 16:13:36

○A208.115.111.1712015-06-11 → 2015-10-30 · 5 obs

○ 2008-12-06 10:01:28
● 2015-06-11 22:13:54
● 2015-10-30 18:11:06
○ 2015-12-20 06:51:38
○ 2026-07-13 16:13:36

○A209.147.124.112008-12-06 → 2008-12-06 · 3 obs

● 2008-12-06 10:01:28
○ 2015-06-11 22:13:54
○ 2026-07-13 16:13:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
simpson.com	ns63.worldnic.com, ns64.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.185

NS records: ns63.worldnic.com, ns64.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simpson.com (unsigned zone)

⏱️ Timing

Total: 216ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns64.worldnic.com, ns63.worldnic.com`
MX	3	`us-smtp-inbound-2.mimecast.com (pri: 0), us-smtp-inbound-1.mimecast.com (pri: 0)...`
TXT	8	`MS=ms13275623, include:_spf.messagegears.net...`
SOA	1	`NS63.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns63.worldnic.com, ns64.worldnic.com)

Analysis

Hierarchy

The domain simpson.com serves as parent to barracuda.simpson.com, meetme.simpson.com, simpson-bh.simpson.com, files.simpson.com and www.simpson.com.

Name Servers

simpson.com uses two name servers for its delegation: ns63.worldnic.com and ns64.worldnic.com.

simpson.com shares its NS records with other domains, for example maklouta.com, pilotpat.com, americanoriginals.org and two others.

At least some of simpson.com's name servers are also used by other domains, among them okta-verify.com.

Each of ns63.worldnic.com and ns64.worldnic.com has one IP address: ns63.worldnic.com uses 162.159.26.185 and ns64.worldnic.com uses 162.159.27.127.

Mail Servers

The MX records for simpson.com list three mail servers: us-smtp-inbound-1.mimecast.com, us-smtp-inbound-2.mimecast.com and simpson-com.mail.protection.outlook.com.

There is at least a partial MX overlap between simpson.com and other domains, including steamboatsprings.net, naikgroup.com, roses.com and two others.

DNS names with 8 IP addresses:

Hostname simpson-com.mail.protection.outlook.com directs to 52.101.9.12, 52.101.9.14 and 52.101.9.26 along with 5 other IP addresses.

DNS names with 6 IP addresses:

Hostname us-smtp-inbound-1.mimecast.com directs to 170.10.128.141, 170.10.128.221 and 170.10.128.242 along with 3 other IP addresses.

Hostname us-smtp-inbound-2.mimecast.com directs to 170.10.128.141, 170.10.128.221 and 170.10.128.242 along with 3 other IP addresses.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.128.141 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.128.221 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.128.242 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.132.141 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.132.221 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.132.242 IP addresses each.