`mail.null-pointer.de`

DNSSEC	⚠️ Not signed
A	5.9.61.135^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
		PTR	`3h3.de`

`null-pointer.de`

	DNSSEC	⚠️ Not signed
	A	5.9.61.135^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
	NS	`root-dns.netcup.net` ⭐
	NS	`second-dns.netcup.net`
	NS	`third-dns.netcup.net`
	MX	`secure.3h3.de` ⭐
	MX	`mx0.3h3.de`⁽²⁰⁾
	MX	`mx1.3h3.de`⁽³⁰⁾
	TXT	`v=DMARC1; p=none; rua=mailto:postmaster@3h3.de; ruf=mailto:postmaster@3h3.de;...`
	TXT	`v=spf1 ip4:188.68.59.105 ip4:46.38.231.32 ip4:188.68.62.112 ip4:46.38.243.56 ...`
	SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2026-03-22 #45

Same first word

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DNS History

3 records (1 active, 2 former)

○MXnull-pointer.de2015-06-07 → 2016-03-26 · 4 obs

● 2015-06-07 12:33:34
● 2016-03-26 05:19:12
○ 2016-07-14 16:05:24
○ 2026-03-30 02:42:50

●A5.9.61.1352026-03-30 → 2026-03-30 · 3 obs

○ 2016-07-14 16:05:24
● 2026-03-30 02:42:48
● 2026-03-30 02:42:50

○A81.169.231.2382015-06-07 → 2016-07-14 · 4 obs

● 2015-06-07 12:33:34
● 2016-07-14 16:05:24
○ 2026-03-30 02:42:48
○ 2026-03-30 02:42:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
null-pointer.de	root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:37.221.199.199

NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1080ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.9.61.135`

Analysis

IP Addresses

mail.null-pointer.de points to a single IP address: 5.9.61.135.

Other host names such as null-pointer.de, 5short.de, 3h3.de, 1w1.de and annetteduffner.de share IPs with mail.null-pointer.de.

mail.null-pointer.de - robtex.com