`nullmx.heatblocks.com`

	CNAME	`traff-http.hugedomains.com`
	CNAME	`hdl-prd-http-daa3a53645bc3b3a.elb.us-east-1.amazonaws.com`
	DNSSEC	⚠️ Not signed
	A	2600:1f18:4ae:c605:f094:2a0a:4985:526e^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
	A	2600:1f18:4ae:c606:def:b9d9:eb9e:7766^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
	A	52.201.53.166^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
	A	98.82.42.139^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}

`heatblocks.com`

	DNSSEC	⚠️ Not signed
	A	2600:1f18:4ae:c605:f094:2a0a:4985:526e^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
	A	2600:1f18:4ae:c606:def:b9d9:eb9e:7766^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
	A	52.201.53.166^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
	A	98.82.42.139^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
	NS	`ns1.namebrightdns.com` ⭐
	NS	`nsg1.namebrightdns.com`
	NS	`nsg2.namebrightdns.com`
	TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
	TXT	`v=spf1 -all`
	SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-07-25 #1

Previously MX for

heatblocks.com

Same first word

nullmx.net

nullmx.org

nullmx.com

DNS History

11 records (7 active, 4 former)

○NSns1.afternic.com2015-07-10 → 2016-04-01 · 4 obs

● 2015-07-10 19:14:02
● 2016-04-01 01:57:54
○ 2026-03-23 07:46:00
○ 2026-07-25 22:12:16

●NSnsg1.namebrightdns.com2026-07-25 → 2026-07-25 · 2 obs

○ 2026-03-23 07:46:00
● 2026-07-25 22:12:16

●NSnsg2.namebrightdns.com2026-07-25 → 2026-07-25 · 2 obs

○ 2026-03-23 07:46:00
● 2026-07-25 22:12:16

○A184.168.221.1042015-07-10 → 2016-04-01 · 4 obs

● 2015-07-10 19:14:02
● 2016-04-01 01:57:54
○ 2026-03-23 07:46:00
○ 2026-07-25 22:12:16

○A213.249.67.102026-03-23 → 2026-07-25 · 2 obs

○ 2026-03-23 07:46:00
○ 2026-07-25 22:12:16

●A2600:1f18:4ae:c605:f094:2a0a:4985:526e2026-07-25 → 2026-07-25 · 2 obs

○ 2026-03-23 07:46:00
● 2026-07-25 22:12:16

●A2600:1f18:4ae:c606:def:b9d9:eb9e:77662026-07-25 → 2026-07-25 · 2 obs

○ 2026-03-23 07:46:00
● 2026-07-25 22:12:16

○A2a01:448:2001::102026-03-23 → 2026-07-25 · 2 obs

○ 2026-03-23 07:46:00
○ 2026-07-25 22:12:16

●A52.201.53.1662026-07-25 → 2026-07-25 · 2 obs

○ 2026-03-23 07:46:00
● 2026-07-25 22:12:16

●A98.82.42.1392026-07-25 → 2026-07-25 · 2 obs

○ 2026-03-23 07:46:00
● 2026-07-25 22:12:16

●CNAMEtraff-http.hugedomains.com2026-07-25 → 2026-07-25 · 1 obs

● 2026-07-25 22:12:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
heatblocks.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:54.162.235.48

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for heatblocks.com (unsigned zone)

⏱️ Timing

Total: 106ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`98.82.42.139, 52.201.53.166`
AAAA	2	`2600:1f18:4ae:c605:f094:2a0a:4985:526e, 2600:1f18:4ae:c606:def:b9d9:eb9e:7766`
NS	2	`nsg1.namebrightdns.com, nsg2.namebrightdns.com`
CNAME	1	`traff-http.hugedomains.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

nullmx.heatblocks.com directs to four IP numbers, which are 52.201.53.166, 98.82.42.139, 2600:1f18:4ae:c605:f094:2a0a:4985:526e and 2600:1f18:4ae:c606:def:b9d9:eb9e:7766.

Among the host names that share IP numbers with nullmx.heatblocks.com are dotindia.net, ns1.graytimes.com, hillslater.com and two others.

nullmx.heatblocks.com - robtex.com