bieringer.de - robtex.com
bieringer.de
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | co2.bieringer.net ⭐ | ||||||
| A | 2a02:c206:3012:2939::1🇩🇪 CONTABO2a02:c206::/32 | ||||||
| PTR | co2.bieringer.net | ||||||
| A | 158.220.124.161🇩🇪 CONTABO158.220.112.0/20 | ||||||
| PTR | co2.bieringer.net | ||||||
| TXT | v=spf1 ip4:5.189.185.206 ip6:2a02:c207:3005:9207::1 ip4:158.220.124.161 ip6:2... | ||||||
| SOA | ns1.first-ns.dehostmaster@bieringer.de 2026-04-23 #14 | ||||||
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=1777173978 | ||||||
rank #19938 in the tld
WOT: SAFE (62/100)
Subdomains
Same first word
bieringer.net |
bieringer.de |
bieringer.org |
Similar names
DNS History
7 records (4 active, 3 former)
●NSns1.first-ns.de2015-07-16 → 2026-04-26 · 2 obs
● 2026-04-26 03:36:30
●NSrobotns2.second-ns.de2015-07-16 → 2026-04-26 · 2 obs
● 2026-04-26 03:36:30
●NSrobotns3.second-ns.com2015-07-16 → 2026-04-26 · 2 obs
● 2026-04-26 03:36:30
●MXco2.bieringer.net2026-03-29 → 2026-04-26 · 3 obs
● 2026-03-29 14:51:04
● 2026-04-26 03:36:30
○MXst2.bieringer.name2015-07-16 → 2016-07-14 · 4 obs
● 2016-07-14 13:59:04
○ 2020-07-05 08:23:32
○ 2026-04-26 03:36:30
○MXst2.bieringer.net2015-07-16 → 2020-07-05 · 4 obs
● 2020-07-05 08:23:32
○ 2026-03-29 14:51:04
○ 2026-04-26 03:36:30
○A85.214.150.732015-07-16 → 2020-07-05 · 4 obs
● 2020-07-05 08:23:32
○ 2026-03-29 14:51:04
○ 2026-04-26 03:36:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| bieringer.de | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bieringer.de (unsigned zone)
⏱️ Timing
Total: 1506ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| MX | 1 | co2.bieringer.net (pri: 20) |
| TXT | 1 | v=spf1 ip4:5.189.185.206 ip6:2a02:c207:3 |
| SOA | 1 | ns1.first-ns.de hostmaster.bieringer.de |
Analysis
Hierarchy
bieringer.de is a parent of mx20.bieringer.de and mx40.bieringer.de.
Name Servers
bieringer.de is delegated to three name servers robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
bieringer.de at least partially shares name servers with other domains, for instance rola-express.gr, elpri.de, tierschutz-magdeburg.de, zahntechnik-pacher.de and trackyourbed.com.
Host names with two IP numbers:
robotns3.second-ns.com points to: 2001:67c:192c::add:a3 and 193.47.99.3.
ns1.first-ns.de points to: 2a01:4f8:0:a101::a:1 and 213.239.242.238.
robotns2.second-ns.de points to: 2a01:4f8:0:1::5ddc:2 and 213.133.100.103.
Mail Servers
bieringer.de is handled by a single mail server, co2.bieringer.net.
bieringer.de shares its mail server setup with other domains, including co2.bieringer.net and deepspace6.net.
bieringer.de shares mail servers with other domains to some extent, for instance bieringer.net.
these mail servers are commonly used with the mail servers co1.bieringer.net.
co2.bieringer.net resolves to two IP numbers: 2a02:c206:3012:2939::1 and 158.220.124.161.