siebert-pt.de - robtex.com
siebert-pt.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:221:11cd:9734:4c26:6044:5f33🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | redirect.checkdomain.de | ||||||
| A | 88.99.101.251🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| NS | ns2.checkdomain.de ⭐ | ||||||
| A | 2a01:4f8:2b02:a88::106🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns2.checkdomain.de | ||||||
| A | 5.9.190.98🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| PTR | ns2.checkdomain.de | ||||||
| NS | ns.checkdomain.de | ||||||
| A | 2a02:2b80:101:5000::9🇩🇪 CLOUDPIT2a02:2b80:101::/48 | ||||||
| A | 109.237.143.11🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | ns1.checkdomain.de | ||||||
| MX | mx03.secure-mailgate.com ⭐ | ||||||
| A | 46.243.88.174🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node03.secure-mailgate.com | ||||||
| A | 46.243.88.176🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node04.secure-mailgate.com | ||||||
| MX | mx04.secure-mailgate.com(20) | ||||||
| A | 46.243.88.175🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node03.secure-mailgate.com | ||||||
| A | 46.243.88.177🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node04.secure-mailgate.com | ||||||
| TXT | v=spf1 include:host42.spf.checkdomain.de ?all | ||||||
| TXT | google-site-verification=d49c7IWnUuwXKhx1T0BV_qtICg0Pxn-_EMyO9j0s1q0 | ||||||
| SOA | ns.checkdomain.dehostmaster@checkdomain.de 2026-06-16 #1 | ||||||
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=1784850502 | ||||||
Same first word
siebert-pt.de |
Similar names
DNS History
10 records (6 active, 4 former)
●NSns.checkdomain.de2018-05-08 → 2026-07-24 · 2 obs
● 2026-07-24 00:14:02
●NSns2.checkdomain.de2018-05-08 → 2026-07-24 · 2 obs
● 2026-07-24 00:14:02
○MXmailproxy.siebert-pt.de2018-05-08 → 2018-05-08 · 3 obs
○ 2026-02-23 01:59:00
○ 2026-07-24 00:14:02
○MXmailproxy2.siebert-pt.de2018-05-08 → 2018-05-08 · 3 obs
○ 2026-02-23 01:59:00
○ 2026-07-24 00:14:02
●MXmx03.secure-mailgate.com2026-02-23 → 2026-07-24 · 3 obs
● 2026-02-23 01:59:00
● 2026-07-24 00:14:02
●MXmx04.secure-mailgate.com2026-02-23 → 2026-07-24 · 3 obs
● 2026-02-23 01:59:00
● 2026-07-24 00:14:02
○A188.40.78.2532018-05-08 → 2018-05-08 · 3 obs
○ 2026-02-23 01:59:00
○ 2026-07-24 00:14:02
●A2a01:4f8:221:11cd:9734:4c26:6044:5f332026-02-23 → 2026-07-24 · 3 obs
● 2026-02-23 01:59:00
● 2026-07-24 00:14:02
○A2a01:4f8:221:1383:5cc8:5919:9700:fcc52018-05-08 → 2018-05-08 · 3 obs
○ 2026-02-23 01:59:00
○ 2026-07-24 00:14:02
●A88.99.101.2512026-02-23 → 2026-07-24 · 3 obs
● 2026-02-23 01:59:00
● 2026-07-24 00:14:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| siebert-pt.de | ns.checkdomain.de, ns2.checkdomain.de | 4 records |
✅ Authoritative Response
Server:109.237.143.11
NS records: ns.checkdomain.de, ns2.checkdomain.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for siebert-pt.de (unsigned zone)
⏱️ Timing
Total: 867ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.99.101.251 |
| AAAA | 1 | 2a01:4f8:221:11cd:9734:4c26:6044:5f33 |
| NS | 2 | ns.checkdomain.de, ns2.checkdomain.de |
| MX | 2 | mx03.secure-mailgate.com (pri: 10), mx04.secure-mailgate.com (pri: 20) |
| TXT | 2 | v=spf1 include:host42.spf.checkdomain.de, google-site-verification=d49c7IWnUuwXKhx |
| SOA | 1 | ns.checkdomain.de hostmaster.checkdomain |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.checkdomain.de, ns.checkdomain.de, ns2.checkdomain.de...)
Analysis
IP Addresses
siebert-pt.de resolves to the IP addresses 88.99.101.251 and 2a01:4f8:221:11cd:9734:4c26:6044:5f33
urbanic.de, archdaily.hu, www.loanlink.de and two other host names share IP numbers with siebert-pt.de.
Name Servers
The NS records for siebert-pt.de delegate to ns2.checkdomain.de and ns.checkdomain.de.
siebert-pt.de uses the same name servers as several other domains — among them novora.ch, defence-consulting.com, menden-lahrfeld.de and two more.
ns2.checkdomain.de resolves to 5.9.190.98 and 2a01:4f8:2b02:a88::106. Likewise, ns.checkdomain.de resolves to 109.237.143.11 and 2a02:2b80:101:5000::9 — two IP addresses apiece.
Mail Servers
Mail for siebert-pt.de is handled by two mail servers — mx03.secure-mailgate.com and mx04.secure-mailgate.com.
siebert-pt.de uses an identical mail server configuration to several other domains — among them childrens-university.net, wohnungen-auerbach.de, xlarge1.net and two more.
At least a portion of siebert-pt.de's mail servers are also used by other domains, for example valbert.org.
mx03.secure-mailgate.com resolves to 46.243.88.174 and 46.243.88.176. Likewise, mx04.secure-mailgate.com resolves to 46.243.88.175 and 46.243.88.177 — two IP addresses apiece.