`nullmx.stsubhub.com`

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

`stsubhub.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`
	TXT	`v=spf1 -all`
	SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2022-10-11 #2

Same first word

nullmx.net

nullmx.org

nullmx.com

Similar names

mlnxul.com

DNS History

3 records (1 active, 2 former)

○A209.181.247.1052008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 07:22:22
○ 2015-06-07 14:59:54
○ 2026-03-27 16:02:06

●A3.33.139.322026-03-27 → 2026-03-27 · 2 obs

○ 2016-04-10 12:28:08
● 2026-03-27 16:02:06

○A72.52.10.142015-06-07 → 2016-04-10 · 4 obs

○ 2008-03-16 07:22:22
● 2015-06-07 14:59:54
● 2016-04-10 12:28:08
○ 2026-03-27 16:02:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
stsubhub.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com...	14 records

✅ Authoritative Response

Server:149.112.160.2

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 stsubhub.com (unsigned zone)

⏱️ Timing

Total: 222ms | 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.stsubhub.com points to IP number 3.33.139.32.

For instance, other host names bednarzlaw.lawoffice.com, eightyseven.biz, carfax-oneowner.com, xinhuaftseindex.com and carfaxdenmark.info share IP numbers with nullmx.stsubhub.com.

nullmx.stsubhub.com - robtex.com