null-pointer.de - robtex.com
null-pointer.de
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1774823468 | ||||||
Subdomains
mail.null-pointer.de |
Same first word
null-pointer.org |
null-pointer.co.uk |
null-pointer.de |
null-pointer.eu |
DNS History
14 records (7 active, 7 former)
○NSns.stratoserver.net2015-06-30 → 2016-01-28 · 4 obs
● 2016-01-28 17:46:18
○ 2016-06-18 09:36:06
○ 2026-03-29 22:33:44
○NSns2.stratoserver.net2015-06-30 → 2016-01-28 · 4 obs
● 2016-01-28 17:46:18
○ 2016-06-18 09:36:06
○ 2026-03-29 22:33:44
●NSroot-dns.netcup.net2016-06-18 → 2026-03-29 · 3 obs
● 2016-06-18 09:36:06
● 2026-03-29 22:33:44
●NSsecond-dns.netcup.net2016-06-18 → 2026-03-29 · 3 obs
● 2016-06-18 09:36:06
● 2026-03-29 22:33:44
●NSthird-dns.netcup.net2016-06-18 → 2026-03-29 · 3 obs
● 2016-06-18 09:36:06
● 2026-03-29 22:33:44
○MX3h3.de2016-06-18 → 2016-06-18 · 4 obs
● 2016-06-18 09:36:06
○ 2017-02-12 07:07:10
○ 2026-03-29 22:33:44
○MXmail.server30.de2017-02-12 → 2017-02-12 · 4 obs
● 2017-02-12 07:07:10
○ 2020-02-14 19:12:52
○ 2026-03-29 22:33:44
●MXmx0.3h3.de2020-02-14 → 2026-03-29 · 3 obs
● 2020-02-14 19:12:52
● 2026-03-29 22:33:44
●MXmx1.3h3.de2020-02-14 → 2026-03-29 · 3 obs
● 2020-02-14 19:12:52
● 2026-03-29 22:33:44
○MXnull-pointer.de2015-06-30 → 2016-01-28 · 4 obs
● 2016-01-28 17:46:18
○ 2016-06-18 09:36:06
○ 2026-03-29 22:33:44
●MXsecure.3h3.de2020-02-14 → 2026-03-29 · 3 obs
● 2020-02-14 19:12:52
● 2026-03-29 22:33:44
○A144.76.37.2482017-02-12 → 2020-02-14 · 4 obs
● 2017-02-12 07:07:10
● 2020-02-14 19:12:52
○ 2026-03-29 22:33:44
●A5.9.61.1352026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 22:33:44
○A81.169.231.2382015-06-30 → 2016-06-18 · 4 obs
● 2016-06-18 09:36:06
○ 2017-02-12 07:07:10
○ 2026-03-29 22:33:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| null-pointer.de | third-dns.netcup.net, second-dns.netcup.net, root-dns.netcup.net | - |
✅ Authoritative Response
Server:188.68.63.68
NS records: third-dns.netcup.net, second-dns.netcup.net, root-dns.netcup.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1307ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.9.61.135 |
| NS | 3 | root-dns.netcup.net, second-dns.netcup.net... |
| MX | 3 | mx1.3h3.de (pri: 30), mx0.3h3.de (pri: 20)... |
| TXT | 2 | v=spf1 ip4:188.68.59.105 ip4:46.38.231.3, v=DMARC1; p=none; rua=mailto:postmaster@ |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
null-pointer.de is the parent of mail.null-pointer.de.
IP Addresses
null-pointer.de resolves to one IP number: 5.9.61.135.
other host names including 1w1.de, annetteduffner.de, 5short.de, 3h3.de and mail.null-pointer.de share IP numbers with null-pointer.de.
Name Servers
null-pointer.de is delegated to three name servers root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
null-pointer.de at least partially shares name servers with other domains, for instance hde.at, utl-logistik.de, flugversand.de, epitext.de and werkzeugverleih24.de.
Host names with two IP numbers:
root-dns.netcup.net points to: 2a03:4000:0:1::e1e1 and 46.38.225.225.
second-dns.netcup.net points to: 2a03:4000:2:24b::c7c7 and 37.221.199.199.
third-dns.netcup.net points to: 2a03:4001:0:106::3f44 and 188.68.63.68.
Mail Servers
null-pointer.de is handled by three mail servers: mx0.3h3.de, mx1.3h3.de and secure.3h3.de.
null-pointer.de shares some mail servers with other domains, at least partially, for instance server4000.de, 5short.de, 3h3.de, maximeveit.de and server1000.de.
Host names with a single IP:
mx0.3h3.de points to: 46.38.243.56.
mx1.3h3.de points to: 46.38.243.56.
secure.3h3.de points to: 46.38.243.56.
Host names that point to 46.38.243.56: mx0.3h3.de, mx1.3h3.de and secure.3h3.de.