`nullmx.penfedorg.com`

DNSSEC	⚠️ Not signed
A	103.224.212.203^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
		PTR	`lb-212-203.above.com`
NS	`ns1.abovedomains.com` ⭐ ⚠️ Not in parent delegation
		A	103.224.182.9^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns1.above.com`
		A	103.224.212.9^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns1.above.com`
NS	`ns2.abovedomains.com` ⚠️ Not in parent delegation
		A	103.224.182.10^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns2.above.com`
		A	103.224.212.10^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns2.above.com`
MX	`park-mx.above.com` ⭐
		A	103.224.212.34^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`park-mx.above.com`
TXT	`0ad094978b47130a6a809a0396525cae21191ed6`
TXT	`v=spf1 ip6:fdcf:abda:4154::/48 -all`
SOA	`ns1.abovedomains.com`hostmaster@trellian.com 2026-03-27 #1

`penfedorg.com`

	DNSSEC	⚠️ Not signed
	A	103.224.212.203^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
	NS	`ns1.abovedomains.com` ⭐
	NS	`ns2.abovedomains.com`
	MX	`park-mx.above.com` ⭐
	TXT	`v=spf1 ip6:fdcf:abda:4154::/48 -all`
	TXT	`0ad094978b47130a6a809a0396525cae21191ed6`
	SOA	`ns1.abovedomains.com`hostmaster@trellian.com 2026-03-27 #1

Same first word

nullmx.net

nullmx.org

nullmx.com

Similar names

mlnxul.com

DNS History

7 records (4 active, 3 former)

●NSns1.abovedomains.com2026-03-01 → 2026-03-26 · 2 obs

● 2026-03-01 16:02:22
● 2026-03-26 13:37:48

●NSns2.abovedomains.com2026-03-01 → 2026-03-26 · 2 obs

● 2026-03-01 16:02:22
● 2026-03-26 13:37:48

●MXpark-mx.above.com2026-03-01 → 2026-03-26 · 2 obs

● 2026-03-01 16:02:22
● 2026-03-26 13:37:48

○A103.224.182.2412026-03-01 → 2026-03-26 · 2 obs

○ 2026-03-01 16:02:22
○ 2026-03-26 13:37:48

●A103.224.212.2032026-03-01 → 2026-03-26 · 3 obs

○ 2016-09-17 15:24:34
● 2026-03-01 16:02:22
● 2026-03-26 13:37:48

○A173.192.64.1472015-08-21 → 2016-09-17 · 5 obs

○ 2008-03-18 05:07:54
● 2015-08-21 13:01:38
● 2016-09-17 15:24:34
○ 2026-03-01 16:02:22
○ 2026-03-26 13:37:48

○A209.181.247.1052008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 05:07:54
○ 2015-08-21 13:01:38
○ 2026-03-26 13:37:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
penfedorg.com	ns1.abovedomains.com, ns2.abovedomains.com	4 records

✅ Authoritative Response

Server:103.224.182.9

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for penfedorg.com (unsigned zone)

⏱️ Timing

Total: 257ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.224.212.203`
NS	2	`ns1.abovedomains.com, ns2.abovedomains.com`
MX	1	`park-mx.above.com (pri: 10)`
TXT	2	`0ad094978b47130a6a809a0396525cae21191ed6, v=spf1 ip6:fdcf:abda:4154::/48 -all`
SOA	1	`ns1.abovedomains.com hostmaster.trellian`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

nullmx.penfedorg.com resolves to a single IP: 103.224.212.203.

Other host names, for instance mail.upup.pw, ww1.hdcfbank.com, thebigday.it, ns.pensa.com and www.company.fm share IP numbers with nullmx.penfedorg.com.

Name Servers

nullmx.penfedorg.com has two name servers: ns1.abovedomains.com and ns2.abovedomains.com.

nullmx.penfedorg.com shares the same name server setup as other domains, for example bleat.it, medicosportivo.it, mail2.neureal.com, 2.rim2.com and fileadda.com.

nullmx.penfedorg.com shares some name servers with other domains, for example batisto.com, domainrevenue.com, www.yzwy.cc, health-n-energy.com and mail.srmedu.com.

these name servers are often used with ns15.abovedomains.com, ns16.abovedomains.com, 5014.ns1.abovedomains.com, 5014.ns2.abovedomains.com, contact-us-at.edoms.biz, domain-may-be-for-sale-at.edoms.biz, ns1.above.com, ns2.above.com, 421.ns1.abovedomains.com and 421.ns2.abovedomains.com.

Host names with two IP numbers:

ns1.abovedomains.com points to: 103.224.182.9 and 103.224.212.9; ns2.abovedomains.com points to: 103.224.182.10 and 103.224.212.10.

Mail Servers

nullmx.penfedorg.com is handled by a single mail server, park-mx.above.com.

nullmx.penfedorg.com shares the mail server setup with other domains, for example (0x65726f746963)-heels.de, fastmob.xyz, bigpobd.com, mx2.subfinderonline.com and chipnex.com.

Host name park-mx.above.com points to IP 103.224.212.34.

nullmx.penfedorg.com - robtex.com