estool.de - robtex.com
estool.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.67.69.51🇩🇪 SYNLINQ45.67.69.0/24 | ||||||
| PTR | 45.67.69.51.1nic.de | ||||||
| NS | ns1-tec.de ⭐ | ||||||
| A | 2a09:71c0::101:0:12🇩🇪 SYNLINQ2a09:71c0::/29 | ||||||
| A | 45.67.68.12🇩🇪 SYNLINQ45.67.68.0/24 | ||||||
| PTR | ns1-tec.de | ||||||
| NS | ns2-tec.de | ||||||
| A | 2a0d:c2c0:1:d::12🇩🇪 SkyLink2a0d:c2c0::/29 | ||||||
| A | 92.246.85.245🇩🇪 SkyLink92.246.85.0/24 | ||||||
| PTR | ns2-tec.de | ||||||
| MX | mx1.securemail.name ⭐ | ||||||
| A | 92.246.85.247🇩🇪 SkyLink92.246.85.0/24 | ||||||
| PTR | mx.securemail.name | ||||||
| MX | mx2.securemail.name ⭐ | ||||||
| A | 92.246.85.247🇩🇪 SkyLink92.246.85.0/24 | ||||||
| PTR | mx.securemail.name | ||||||
| TXT | v=spf1 include:spf.securemail.name a mx ~all | ||||||
| SOA | ns1-tec.dewebmaster@estool.de 2026-02-18 #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=1771291602 | ||||||
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●MXmx1.securemail.name2015-05-16 → 2026-03-10 · 2 obs
● 2026-03-10 21:11:22
●MXmx2.securemail.name2015-05-16 → 2026-03-10 · 2 obs
● 2026-03-10 21:11:22
○A136.243.196.262017-04-01 → 2017-04-01 · 4 obs
● 2017-04-01 07:40:22
○ 2026-03-10 21:11:20
○ 2026-03-10 21:11:22
○A213.239.234.1112015-05-16 → 2016-08-10 · 4 obs
● 2016-08-10 20:49:20
○ 2017-04-01 07:40:22
○ 2026-03-10 21:11:22
●A45.67.69.512026-03-10 → 2026-03-10 · 3 obs
● 2026-03-10 21:11:20
● 2026-03-10 21:11:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | s.de.net, f.nic.de, l.de.net, a.nic.de... | 12 records |
| estool.de | ns1-tec.de, ns2-tec.de | 4 records |
✅ Authoritative Response
Server: 92.246.85.245
NS records: ns1-tec.de, ns2-tec.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for estool.de (unsigned zone)
⏱️ Timing
Total: 949ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.67.69.51 |
| NS | 2 | ns2-tec.de, ns1-tec.de |
| MX | 2 | mx1.securemail.name (pri: 100), mx2.securemail.name (pri: 100) |
| TXT | 1 | v=spf1 include:spf.securemail.name a mx |
| SOA | 1 | ns1-tec.de webmaster.estool.de |
📌 Glue Records Collected
Total: 16
In-bailiwick: 6 (a.nic.de, f.nic.de, z.nic.de...)
Out-of-bailiwick: 10 (s.de.net, n.de.net, l.de.net...)
Analysis
IP Addresses
estool.de points to a single IP number: 45.67.69.51.
Other host names, for instance pc-it.de, mail.nrw.jurabib.de, wickeltisch-shop.de, shopasia.de and gileraersatzteile.de share IP numbers with estool.de.
Name Servers
Delegation for estool.de rests with two name servers, ns1-tec.de and ns2-tec.de.
estool.de shares the same name server setup as other domains, including maenner-liebe.de, sales-services24.com, vermieter1x1.de, impavit.com and storywelt.net.
estool.de partially shares name servers with other domains; for instance volkshosting.org and in-hamburg.de.
Host names with two IP numbers: ns1-tec.de points to 2a09:71c0::101:0:12 and 45.67.68.12; ns2-tec.de points to 2a0d:c2c0:1:d::12 and 92.246.85.245.
Mail Servers
estool.de is handled by two mail servers: mx1.securemail.name and mx2.securemail.name.
estool.de uses the same mail server configuration as other domains, such as niklasm.de, gesundheits-werbung.de, posty.de, paedagogik-fernstudium.de and anwaltswebseite.de.
estool.de shares some mail servers with other domains at least partially, for example rechnungswesen-portal.de.
Host names sharing a single IP:
mx1.securemail.name points to 92.246.85.247
mx2.securemail.name points to 92.246.85.247
Host names that point to 92.246.85.247: mx1.securemail.name and mx2.securemail.name