`mx4.osullivan-group.com`

	DNSSEC	⚠️ Not signed
	A	50.239.81.171^{🇺🇸 COMCAST-IBONE50.128.0.0/9 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054}

`osullivan-group.com`

	DNSSEC	⚠️ Not signed
	A	3.33.130.190^{🇺🇸 Amazon3.33.128.0/20}
	A	15.197.148.33^{🇺🇸 Amazon15.197.144.0/20}
	NS	`ns13.domaincontrol.com` ⭐
	NS	`ns14.domaincontrol.com`
	MX	`mx1.osullivan-group.com` ⭐
	MX	`mx2.osullivan-group.com`⁽²⁰⁾
	MX	`mx3.osullivan-group.com`⁽³⁰⁾
	MX	`mx4.osullivan-group.com`⁽⁴⁰⁾
	TXT	`v=spf1 mx ip4:173.161.144.149 ~all`
	TXT	`v=verifydomain MS=6240189`
	SOA	`ns13.domaincontrol.com`dns@jomax.net 2024-05-29 #1

MX for

osullivan-group.com

chefschats.com

airlinemenus.com

airlinemenus.net

Previously MX for

osccms.com

Same first word

mx4.gov.ru

mx4.cloudaccess.net

mx4.gouv.ci

mx4.biz

mx4.ch

mx4.pb.gov.br

mx4.me

mx4.info

mx4.com

mx4.de

mx4.uni5.net

mx4.pl

mx4.dk

mx4.vg

mx4.ca

mx4.fr

mx4.cn

mx4.org

mx4.kinghost.net

mx4.net

mx4.fitness

mx4.ru

mx4.in-berlin.de

Similar names

x4m.ru

x4m.co

m4x.ca

4xm.eu

4xm.pl

m4x.com

4xm.net

4xm.biz

m4x.net

xm4.de

x4m.it

4mx.com

4mx.it

4mx.se

4xm.be

x4m.cn

x4m.org

4mx.de

m4x.co.uk

m4x.us

m4x.org

4mx.at

4mx.net

xm4.ru

m4x.pl

xm4.com

4xm.ca

m4x.cn

m4x.pw

4xm.cn

m4x.nl

xm4.net

m4x.at

4xm.com

m4x.de

m4x.fr

m4x.fun

m4x.co

4mx.info

m4x.co.at

x4m.eu

m4x.ru

x4m.net

x4m.com

4xm.nl

x4m.de

4xm.de

4xm.dk

m4x.im

m4x.eu

m4x.info

m4x.dk

4xm.cc

DNS History

2 records (1 active, 1 former)

○A173.161.144.1482015-06-01 → 2016-12-30 · 4 obs

● 2015-06-01 12:14:48
● 2016-12-30 11:23:54
○ 2026-02-15 01:53:26
○ 2026-03-26 18:09:08

●A50.239.81.1712026-02-15 → 2026-03-26 · 3 obs

○ 2016-12-30 11:23:54
● 2026-02-15 01:53:26
● 2026-03-26 18:09:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
osullivan-group.com	ns13.domaincontrol.com, ns14.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.106.7

NS records: ns13.domaincontrol.com, ns14.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osullivan-group.com (unsigned zone)

⏱️ Timing

Total: 117ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.239.81.171`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns13.domaincontrol.com, ns13.domaincontrol.com, ns14.domaincontrol.com...)

Analysis

Mail Server Role

mx4.osullivan-group.com serves as the mail server for osullivan-group.com, chefschats.com, airlinemenus.com and airlinemenus.net.

Commonly, mx2.osullivan-group.com, mx3.osullivan-group.com and mx1.osullivan-group.com serve as mail servers together with mx4.osullivan-group.com.

IP Addresses

mx4.osullivan-group.com points to a single IP: 50.239.81.171.

Other host names, for instance mx2.osullivan-group.com, mx1.osullivan-group.com and mx3.osullivan-group.com share IP numbers with mx4.osullivan-group.com.

mx4.osullivan-group.com - robtex.com