`nullmx.sinclairbroadcast.com`

DNSSEC

⚠️ Not signed

`sinclairbroadcast.com`

	DNSSEC	⚠️ Not signed
	A	75.2.103.146^{🇺🇸 Amazon75.2.96.0/20}
	A	99.83.188.150^{🇺🇸 Amazon99.83.176.0/20}
	NS	`ns01.gcd-dns.com` ⭐
	NS	`ns02.gcd-dns.com`
	SOA	`ns01.gcd-dns.com`dns@jomax.net 2025-06-06 #2

Previously MX for

sinclairbroadcast.com

Same first word

nullmx.net

nullmx.org

nullmx.com

Similar names

mlnxul.com

DNS History

10 records (0 active, 10 former)

○A184.168.221.392015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 07:57:36
○ 2026-03-27 20:02:46
○ 2026-03-27 20:02:48

○A184.168.221.412015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 07:57:36
○ 2026-03-27 20:02:46
○ 2026-03-27 20:02:48

○A184.168.221.422016-08-09 → 2016-08-09 · 4 obs

○ 2016-03-12 21:23:26
● 2016-08-09 08:20:56
○ 2026-03-27 20:02:46
○ 2026-03-27 20:02:48

○A184.168.221.602015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 07:57:36
○ 2026-03-27 20:02:46
○ 2026-03-27 20:02:48

○A184.168.221.622016-03-12 → 2016-03-12 · 4 obs

○ 2015-11-20 20:15:36
● 2016-03-12 21:23:26
○ 2016-08-09 08:20:56
○ 2026-03-27 20:02:48

○A184.168.221.632015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 07:57:36
○ 2026-03-27 20:02:46
○ 2026-03-27 20:02:48

○A50.63.202.362015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 07:57:36
○ 2026-03-27 20:02:46
○ 2026-03-27 20:02:48

○A50.63.202.402015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 07:57:36
○ 2015-11-20 20:15:36
○ 2026-03-27 20:02:48

○A50.63.202.562015-11-20 → 2015-11-20 · 4 obs

○ 2015-06-29 07:57:36
● 2015-11-20 20:15:36
○ 2016-03-12 21:23:26
○ 2026-03-27 20:02:48

○A50.63.202.612015-06-29 → 2015-06-29 · 3 obs

● 2015-06-29 07:57:36
○ 2026-03-27 20:02:46
○ 2026-03-27 20:02:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net...	-
sinclairbroadcast.com	ns02.gcd-dns.com, ns01.gcd-dns.com	4 records

✅ Authoritative Response

Server:97.74.110.50

NS records: ns02.gcd-dns.com, ns01.gcd-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sinclairbroadcast.com (unsigned zone)

⏱️ Timing

Total: 1729ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns02.gcd-dns.com, ns02.gcd-dns.com, ns01.gcd-dns.com...)

nullmx.sinclairbroadcast.com - robtex.com