ot491.de - robtex.com
ot491.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.22.116.128🇩🇪 ONE-NETWORK89.22.96.0/19 | ||||||
| PTR | server.vetternwirtschaft.de | ||||||
| NS | cns1.alfahosting.info ⭐ | ||||||
| A | 2a01:64c0:0:5000::8🇩🇪 CLOUDPIT2a01:64c0::/32 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| A | 109.237.142.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| NS | cns2.alfahosting.info | ||||||
| A | 2a01:4f8:2b02:a88::105🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | cns2.cloudpit.com | ||||||
| A | 148.251.254.105🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2 | ||||||
| PTR | cns2.cloudpit.com | ||||||
| NS | cns3.alfahosting.info | ||||||
| A | 2a02:2b80:101:5000::8🇩🇪 CLOUDPIT2a02:2b80:101::/48 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| A | 109.237.143.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| MX | mail.ot491.de ⭐ | ||||||
| A | 89.22.116.128🇩🇪 ONE-NETWORK89.22.96.0/19 | ||||||
| PTR | server.vetternwirtschaft.de | ||||||
| TXT | v=spf1 a mx ip4:89.22.116.128 ~all | ||||||
| TXT | google-site-verification=I2SvzVUIvZIduQYhRKJLgOP9MQaTX6g1IjEhqjwaYZg | ||||||
| SOA | cns1.alfahosting.infotimo@vetter.tv 2025-03-28 #2 | ||||||
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=1785872176 | ||||||
Previously MX for
ot491.de |
Subdomains
mail.ot491.de |
Same first word
ot491.de |
Similar names
DNS History
9 records (5 active, 4 former)
●NScns1.alfahosting.info2026-02-15 → 2026-08-04 · 3 obs
● 2026-02-15 11:14:10
● 2026-08-04 20:16:58
●NScns2.alfahosting.info2026-02-15 → 2026-08-04 · 3 obs
● 2026-02-15 11:14:10
● 2026-08-04 20:16:58
●NScns3.alfahosting.info2026-02-15 → 2026-08-04 · 3 obs
● 2026-02-15 11:14:10
● 2026-08-04 20:16:58
○NSns1.sillywdk.net2015-07-21 → 2020-01-08 · 4 obs
● 2020-01-08 20:44:14
○ 2026-02-15 11:14:10
○ 2026-08-04 20:16:58
○NSns2.sillywdk.net2015-07-21 → 2020-01-08 · 4 obs
● 2020-01-08 20:44:14
○ 2026-02-15 11:14:10
○ 2026-08-04 20:16:58
●MXmail.ot491.de2026-02-15 → 2026-08-04 · 3 obs
● 2026-02-15 11:14:10
● 2026-08-04 20:16:58
○MXot491.de2015-07-21 → 2020-01-08 · 4 obs
● 2020-01-08 20:44:14
○ 2026-02-15 11:14:10
○ 2026-08-04 20:16:58
○A80.83.113.542015-07-21 → 2020-01-08 · 4 obs
● 2020-01-08 20:44:14
○ 2026-02-15 11:14:10
○ 2026-08-04 20:16:58
●A89.22.116.1282026-02-15 → 2026-08-04 · 3 obs
● 2026-02-15 11:14:10
● 2026-08-04 20:16:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| ot491.de | cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info | - |
✅ Authoritative Response
Server:109.237.143.8
NS records: cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ot491.de (unsigned zone)
⏱️ Timing
Total: 1010ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.22.116.128 |
| NS | 3 | cns2.alfahosting.info, cns3.alfahosting.info... |
| MX | 1 | mail.ot491.de (pri: 10) |
| TXT | 2 | v=spf1 a mx ip4:89.22.116.128 ~all, google-site-verification=I2SvzVUIvZIduQY |
| SOA | 1 | cns1.alfahosting.info timo.vetter.tv |
Analysis
Hierarchy
mail.ot491.de is a subdomain of ot491.de.
IP Addresses
ot491.de has exactly one IP address — 89.22.116.128.
mc-immobilien.eu, equitherm.de, mail.alfini.info plus two other host names have IP numbers in common with ot491.de.
Name Servers
ot491.de has three name servers — cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
The name servers of ot491.de overlap at least partially with those of other domains — among them tierheim-dillenburg.de, desertrats.at, meet-the-beat.de and two more.
Each of cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info points to two IP numbers. cns1.alfahosting.info points to 109.237.142.8 and 2a01:64c0:0:5000::8. cns2.alfahosting.info points to 148.251.254.105 and 2a01:4f8:2b02:a88::105. cns3.alfahosting.info points to 109.237.143.8 and 2a02:2b80:101:5000::8.
Mail Servers
ot491.de uses one mail server — mail.ot491.de.
mail.ot491.de points to one IP number — 89.22.116.128.