`nullmx.firstcyber.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

`firstcyber.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	`ns1.afternic.com` ⭐
	NS	`ns2.afternic.com`
	TXT	`v=spf1 -all`
	SOA	`ns1.afternic.com`dns@jomax.net serial=1

Same first word

nullmx.org

nullmx.com

nullmx.net

Similar names

mlnxul.com

DNS History

6 records (4 active, 2 former)

●NSns1.afternic.com2026-03-24 → 2026-03-24 · 1 obs

● 2026-03-24 04:49:56

●NSns2.afternic.com2026-03-24 → 2026-03-24 · 1 obs

● 2026-03-24 04:49:56

●A13.248.169.482026-03-24 → 2026-03-24 · 2 obs

○ 2016-06-25 00:29:40
● 2026-03-24 04:49:56

○A174.137.132.1002015-05-03 → 2016-06-25 · 4 obs

○ 2008-03-20 01:30:12
● 2015-05-03 10:33:00
● 2016-06-25 00:29:40
○ 2026-03-24 04:49:56

○A209.181.247.1052008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 01:30:12
○ 2015-05-03 10:33:00
○ 2026-03-24 04:49:56

●A76.223.54.1462026-03-24 → 2026-03-24 · 2 obs

○ 2016-06-25 00:29:40
● 2026-03-24 04:49:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...	-
firstcyber.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 firstcyber.com (unsigned zone)

⏱️ Timing

Total: 171ms | 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.firstcyber.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names such as 2660.com, hostmaster.psr.us, azweld.com, curlim.com and mx1.mpwellness.com share IPs with nullmx.firstcyber.com.

Name Servers

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

nullmx.firstcyber.com shares the same name server setup as other domains, for example www.tangnuan.com, amatolo.com, xts.info, storyangel.com and fly.anticrap.com.

nullmx.firstcyber.com at least partially shares name servers with other domains, for example kiwy.io, rencontrechat.fr, chiaprotein.com, articlesocean.com and mrstub.com.

These name servers are commonly used with verification-a3pihk92cq8kttu6igu5bi.ns101.verify.hn and verification-eorcralmdryyztntp2thfm.ns101.verify.hn and verification-ma5paqvqbfktbubzbdsvzb.ns101.verify.hn.

Host names with two IP numbers:

ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69.

ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69.

nullmx.firstcyber.com - robtex.com