`irsresolution.com`

DNSSEC	⚠️ Not signed
A	205.147.88.159^{🇺🇸 ORACLE-OCI-31898205.147.88.0/23 Zenedge WAF}
NS	`ns51.worldnic.com` ⭐
		A	162.159.26.165^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-26-165.defastlink.net`
NS	`ns52.worldnic.com`
		A	162.159.27.8^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-27-8.defastlink.net`
MX	`mx1-us1.ppe-hosted.com` ⭐
		A	67.231.154.162^{🇺🇸 Proofpoint67.231.154.0/24 Inc.}
			PTR	`mx1-us1.ppe-hosted.com`
		A	148.163.129.50^{🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc.}
			PTR	`mx1-us1.ppe-hosted.com`
MX	`mx2-us1.ppe-hosted.com`⁽²⁰⁾
		A	67.231.154.163^{🇺🇸 Proofpoint67.231.154.0/24 Inc.}
			PTR	`mx2-us1.ppe-hosted.com`
		A	148.163.129.51^{🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc.}
			PTR	`mx2-us1.ppe-hosted.com`
TXT	`MS=ms57614416`
TXT	`v=spf1 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com -all`
SOA	`NS51.WORLDNIC.com`namehost@WORLDNIC.com serial=119042507

`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

Subdomains

mail2.irsresolution.com

mail.irsresolution.com

Same first word

irsresolution.com

irsresolution.co

Similar names

soulinteriors.hu

DNS History

8 records (5 active, 3 former)

●NSns51.worldnic.com2015-07-07 → 2026-03-22 · 2 obs

● 2015-07-07 17:43:16
● 2026-03-22 15:58:10

●NSns52.worldnic.com2015-07-07 → 2026-03-22 · 2 obs

● 2015-07-07 17:43:16
● 2026-03-22 15:58:10

○MXmail.irsresolution.com2015-07-07 → 2018-08-27 · 4 obs

● 2015-07-07 17:43:16
● 2018-08-27 20:02:52
○ 2026-02-26 01:10:32
○ 2026-03-22 15:58:10

○MXmail2.irsresolution.com2015-07-07 → 2018-08-27 · 4 obs

● 2015-07-07 17:43:16
● 2018-08-27 20:02:52
○ 2026-02-26 01:10:32
○ 2026-03-22 15:58:10

●MXmx1-us1.ppe-hosted.com2026-02-26 → 2026-03-22 · 3 obs

○ 2018-08-27 20:02:52
● 2026-02-26 01:10:32
● 2026-03-22 15:58:10

●MXmx2-us1.ppe-hosted.com2026-02-26 → 2026-03-22 · 3 obs

○ 2018-08-27 20:02:52
● 2026-02-26 01:10:32
● 2026-03-22 15:58:10

●A205.147.88.1592026-02-26 → 2026-03-22 · 3 obs

○ 2018-08-27 20:02:52
● 2026-02-26 01:10:32
● 2026-03-22 15:58:10

○A72.52.163.732015-07-07 → 2018-08-27 · 4 obs

● 2015-07-07 17:43:16
● 2018-08-27 20:02:52
○ 2026-02-26 01:10:32
○ 2026-03-22 15:58:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
irsresolution.com	ns51.worldnic.com, ns52.worldnic.com	2 records

✅ Authoritative Response

Server: 162.159.26.165

NS records: ns51.worldnic.com, ns52.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for irsresolution.com (unsigned zone)

⏱️ Timing

Total: 226ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`205.147.88.159`
NS	2	`ns51.worldnic.com, ns52.worldnic.com`
MX	2	`mx1-us1.ppe-hosted.com (pri: 10), mx2-us1.ppe-hosted.com (pri: 20)`
TXT	2	`v=spf1 a:dispatch-us.ppe-hosted.com incl, MS=ms57614416`
SOA	1	`NS51.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns51.worldnic.com, ns52.worldnic.com)

Analysis

Hierarchy

irsresolution.com is the parent of mail2.irsresolution.com and mail.irsresolution.com.

IP Addresses

irsresolution.com resolves to a single IP: 205.147.88.159.

Other host names, for instance rworleyconstruction.com, dumaspumping.com, smartsolutionspest.com, ispachildress.com and handdocs.com share IP numbers with irsresolution.com.

Name Servers

irsresolution.com has two name servers: ns51.worldnic.com and ns52.worldnic.com.

irsresolution.com shares the same name server setup as other domains, for example poboy.us, liftcharts.com, mcsgc.com, mountainproperties.com and boltzdesign.com.

irsresolution.com partially shares name servers with other domains, for instance ddstudio.com.

Host names with a single IP:

ns51.worldnic.com points to 162.159.26.165

ns52.worldnic.com points to 162.159.27.8

Mail Servers

irsresolution.com is served by two mail servers: mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com.

irsresolution.com shares the mail server setup with other domains, for example soniresources.com, mexicas.com, toigofoundation.org, esslaw.com and ownyourparadise.com.

irsresolution.com shares some mail servers with other domains, at least partially; for instance dc9.net, mecokc.com, icwae.org, robicrefrigeration.com and stringnswing.com.

Host names with two IP numbers:

mx1-us1.ppe-hosted.com points to: 67.231.154.162 and 148.163.129.50; mx2-us1.ppe-hosted.com points to: 67.231.154.163 and 148.163.129.51.

irsresolution.com - robtex.com