`nullmx.rockhardinc.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns2.afternic.com` ⭐ ⚠️ Not in parent delegation
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
NS	`ns1.afternic.com` ⚠️ Not in parent delegation
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
TXT	`v=spf1 -all`
SOA	`ns2.afternic.com`dns@jomax.net serial=1

`rockhardinc.com`

	DNSSEC	⚠️ Not signed
	A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
	A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
	NS	`ns2.afternic.com` ⭐
	NS	`ns1.afternic.com`
	TXT	`v=spf1 -all`
	SOA	`ns2.afternic.com`dns@jomax.net serial=1

Same first word

nullmx.org

nullmx.com

nullmx.net

DNS History

5 records (4 active, 1 former)

●NSns1.afternic.com2026-05-08 → 2026-07-15 · 2 obs

● 2026-05-08 09:40:54
● 2026-07-15 06:41:22

●NSns2.afternic.com2026-05-08 → 2026-07-15 · 2 obs

● 2026-05-08 09:40:54
● 2026-07-15 06:41:22

●A13.248.169.482026-05-08 → 2026-07-15 · 2 obs

● 2026-05-08 09:40:54
● 2026-07-15 06:41:22

●A76.223.54.1462026-05-08 → 2026-07-15 · 2 obs

● 2026-05-08 09:40:54
● 2026-07-15 06:41:22

○A91.195.240.942026-05-08 → 2026-07-15 · 2 obs

○ 2026-05-08 09:40:54
○ 2026-07-15 06:41:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
rockhardinc.com	ns1.afternic.com, ns2.afternic.com	4 records

✅ Authoritative Response

Server:97.74.98.69

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rockhardinc.com (unsigned zone)

⏱️ Timing

Total: 85ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.54.146, 13.248.169.48`
NS	2	`ns1.afternic.com, ns2.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

nullmx.rockhardinc.com points to the IP addresses 13.248.169.48 and 76.223.54.146

attentionhack.com, wavetank.com, universityareaapartments.com and two other host names share IP numbers with nullmx.rockhardinc.com.

Name Servers

Two name servers handle the delegation for nullmx.rockhardinc.com: ns1.afternic.com and ns2.afternic.com.

nullmx.rockhardinc.com uses the same name servers as several other domains — among them knit.com.cn, heartrhythmspecialists.com, gamemaxx.com and two more.

There is at least partial name server overlap between nullmx.rockhardinc.com and other domains — salisty.com, xfvs.com, yeeshedo.com and two more among them.

ns1.afternic.com and ns2.afternic.com both carry two IP addresses. The A records for ns1.afternic.com are 97.74.98.69 and 2603:5:2126::45; the A records for ns2.afternic.com are 173.201.66.69 and 2603:5:2226::45.

nullmx.rockhardinc.com - robtex.com