`nullmx.collegeboardtests.com`

DNSSEC	⚠️ Not signed
A	3.33.243.145^{🇺🇸 Amazon3.33.240.0/20}
		PTR	`a3edc0dabdef92d6d.awsglobalaccelerator.com`
A	15.197.204.56^{🇺🇸 Amazon15.197.192.0/20}
TXT	`v=spf1 -all`

`collegeboardtests.com`

	DNSSEC	⚠️ Not signed
	A	3.33.243.145^{🇺🇸 Amazon3.33.240.0/20}
	A	15.197.204.56^{🇺🇸 Amazon15.197.192.0/20}
	NS	`ns37.domaincontrol.com` ⭐
	NS	`ns38.domaincontrol.com`
	SOA	`ns37.domaincontrol.com`dns@jomax.net 2023-03-31 #16

Same first word

nullmx.org

nullmx.com

nullmx.net

DNS History

7 records (2 active, 5 former)

○NSbuy.internettraffic.com2015-10-27 → 2016-04-18 · 4 obs

● 2015-10-27 00:31:14
● 2016-04-18 00:35:36
○ 2026-03-26 23:41:20
○ 2026-06-06 03:54:12

○NSsell.internettraffic.com2015-10-27 → 2016-04-18 · 4 obs

● 2015-10-27 00:31:14
● 2016-04-18 00:35:36
○ 2026-03-26 23:41:20
○ 2026-06-06 03:54:12

●A15.197.204.562026-03-26 → 2026-06-06 · 3 obs

○ 2016-04-18 00:35:36
● 2026-03-26 23:41:20
● 2026-06-06 03:54:12

○A209.181.247.1052015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 23:59:40
○ 2015-10-27 00:31:14
○ 2026-06-06 03:54:12

●A3.33.243.1452026-03-26 → 2026-06-06 · 3 obs

○ 2016-04-18 00:35:36
● 2026-03-26 23:41:20
● 2026-06-06 03:54:12

○A69.172.201.1532016-04-18 → 2016-04-18 · 4 obs

○ 2016-01-25 08:17:38
● 2016-04-18 00:35:36
○ 2026-03-26 23:41:20
○ 2026-06-06 03:54:12

○A69.172.201.2082015-10-27 → 2016-01-25 · 5 obs

○ 2015-06-14 23:59:40
● 2015-10-27 00:31:14
● 2016-01-25 08:17:38
○ 2016-04-18 00:35:36
○ 2026-06-06 03:54:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...	-
collegeboardtests.com	ns37.domaincontrol.com, ns38.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.108.19

NS records: ns37.domaincontrol.com, ns38.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for collegeboardtests.com (unsigned zone)

⏱️ Timing

Total: 1705ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.197.204.56, 3.33.243.145`
TXT	1	`v=spf1 -all`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns37.domaincontrol.com, ns37.domaincontrol.com, ns38.domaincontrol.com...)

Analysis

IP Addresses

nullmx.collegeboardtests.com points to two IP numbers: 3.33.243.145 and 15.197.204.56.

Among the host names that share IP numbers with nullmx.collegeboardtests.com are geoautoparts123.com, treasuredives.com, avigt.com and two others.

nullmx.collegeboardtests.com - robtex.com