`nullmx.railroadrunner.com`

DNSSEC	⚠️ Not signed
A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`aeedc42b70c898c66.awsglobalaccelerator.com`

`railroadrunner.com`

	DNSSEC	⚠️ Not signed
	A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}
	NS	`ns1.markmonitor.com` ⭐
	NS	`ns2.markmonitor.com`
	NS	`ns3.markmonitor.com`
	NS	`ns4.markmonitor.com`
	NS	`ns5.markmonitor.com`
	NS	`ns6.markmonitor.com`
	NS	`ns7.markmonitor.com`
	SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2014-08-01 #2

Same first word

nullmx.net

nullmx.org

nullmx.com

Similar names

mlnxul.com

DNS History

2 records (1 active, 1 former)

●A3.33.139.322026-02-21 → 2026-05-12 · 3 obs

○ 2016-04-23 05:19:20
● 2026-02-21 06:05:54
● 2026-05-12 20:02:34

○A72.52.10.142015-08-11 → 2016-04-23 · 4 obs

● 2015-08-11 21:33:54
● 2016-04-23 05:19:20
○ 2026-02-21 06:05:54
○ 2026-05-12 20:02:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net...	-
railroadrunner.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com...	14 records

✅ Authoritative Response

Server:176.97.158.1

NS records: ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com, ns7.markmonitor.com, ns2.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for railroadrunner.com (unsigned zone)

⏱️ Timing

Total: 196ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.33.139.32`

📌 Glue Records Collected

Total: 14

Out-of-bailiwick: 14 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)

Analysis

IP Addresses

nullmx.railroadrunner.com points to a single IP address: 3.33.139.32.

Other host names such as prepared-1study.com, ichotelsgroup.it, carfaxadvantage.com, www.increasemyfico.info and audemarspiguet-musee.com share IPs with nullmx.railroadrunner.com.

nullmx.railroadrunner.com - robtex.com