`nullmx.doorsecurity.com`

DNSSEC

⚠️ Not signed

`doorsecurity.com`

	DNSSEC	⚠️ Not signed
	A	2600:1f14:ea2:fa00:adf0:3752:c0d:c399^{🇺🇸 Amazon2600:1f14:800::/37 AMAZON AWS}
	A	2600:1f14:ea2:fa01:5b9d:903b:3f1c:af5f^{🇺🇸 Amazon2600:1f14:800::/37 AMAZON AWS}
	A	54.69.174.226^{🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix}
	A	184.32.128.45^{🇺🇸 Amazon184.32.0.0/14 EC2 Prefix}
	NS	`ns1.venture.com` ⭐
	NS	`ns2.venture.com`
	TXT	`v=spf1 -all`
	SOA	`ns1.venture.com`hostmaster@venture.com 2026-03-14 #13

Previously MX for

doorsecurity.com

Same first word

nullmx.org

nullmx.com

nullmx.net

Similar names

mlnxul.com

DNS History

5 records (0 active, 5 former)

○NSbuy.internettraffic.com2015-10-25 → 2016-05-06 · 3 obs

● 2015-10-25 21:17:58
● 2016-05-06 19:23:54
○ 2026-03-22 18:54:12

○NSsell.internettraffic.com2015-10-25 → 2016-05-06 · 3 obs

● 2015-10-25 21:17:58
● 2016-05-06 19:23:54
○ 2026-03-22 18:54:12

○A209.181.247.1052015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 11:01:34
○ 2015-10-25 21:17:58
○ 2026-03-22 18:54:12

○A69.172.201.1532016-05-06 → 2016-05-06 · 3 obs

○ 2016-01-20 13:57:06
● 2016-05-06 19:23:54
○ 2026-03-22 18:54:12

○A69.172.201.2082015-10-25 → 2016-01-20 · 5 obs

○ 2015-05-30 11:01:34
● 2015-10-25 21:17:58
● 2016-01-20 13:57:06
○ 2016-05-06 19:23:54
○ 2026-03-22 18:54:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
doorsecurity.com	ns2.venture.com, ns1.venture.com	2 records

✅ Authoritative Response

Server: 34.217.229.194

NS records: ns2.venture.com, ns1.venture.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doorsecurity.com (unsigned zone)

⏱️ Timing

Total: 204ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.venture.com, ns1.venture.com)

nullmx.doorsecurity.com - robtex.com