`mail.lockusup.com`

	DNSSEC	⚠️ Not signed
	A	2a03:3c00:a002:239::110d^{🇳🇱 PREVIDER-AS2a03:3c00:8000::/34 NL-ANTAGONIST-20230327}
	A	141.138.169.239^{🇳🇱 PREVIDER-AS141.138.168.0/22 NL-ANTAGONIST-20090921 Antagonist B.V., Enschede, NL}

`lockusup.com`

	DNSSEC	🔒 Signed (DS record present)
	A	2a03:3c00:a002:239::110d^{🇳🇱 PREVIDER-AS2a03:3c00:8000::/34 NL-ANTAGONIST-20230327}
	A	141.138.169.239^{🇳🇱 PREVIDER-AS141.138.168.0/22 NL-ANTAGONIST-20090921 Antagonist B.V., Enschede, NL}
	NS	`webhostingserver.g1-dns.one` ⭐
	NS	`webhostingserver.g1-dns.com`
	MX	`mail.lockusup.com` ⭐
	TXT	`v=spf1 a mx include:_spf.webhostingserver.nl ~all`
	SOA	`webhostingserver.g1-dns.one`hostmaster@webhostingserver.nl 2026-04-13 #2

MX for

lockusup.com

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DNS History

2 records (2 active, 0 former)

●A141.138.169.2392026-04-26 → 2026-04-26 · 2 obs

● 2026-04-26 19:34:38
● 2026-04-26 21:07:10

●A2a03:3c00:a002:239::110d2026-04-26 → 2026-04-26 · 2 obs

● 2026-04-26 19:34:38
● 2026-04-26 21:07:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
lockusup.com	webhostingserver.g1-dns.com, webhostingserver.g1-dns.one	2 records

✅ Authoritative Response

Server:195.206.121.15

NS records: webhostingserver.g1-dns.com, webhostingserver.g1-dns.one

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 936ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`141.138.169.239`
AAAA	1	`2a03:3c00:a002:239::110d`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (webhostingserver.g1-dns.com, webhostingserver.g1-dns.com)

Analysis

Mail Server Role

mail.lockusup.com serves as the mail server for lockusup.com.

IP Addresses

mail.lockusup.com resolves to two IP numbers: 2a03:3c00:a002:239::110d and 141.138.169.239.

Other host names, for instance mail.sturier.com, bturf.be, www.cencalli.com, toinevandegoolberg.nl and mimpi.nl share IP numbers with mail.lockusup.com.

mail.lockusup.com - robtex.com