back2back.de - dns.ninja
back2back.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl1.sedo.com ⭐ | ||||||
| A | 91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl2.sedo.com | ||||||
| A | 91.195.241.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| MX | localhost ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | sl1.sedo.comhostmaster@sedo.de 2018-05-16 #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=1781812213 | ||||||
Same first word
back2back.no |
back2back.info |
back2back.nu |
back2back.us |
back2back.in |
back2back.de |
back2back.mx |
back2back.ae |
back2back.com |
back2back.co |
back2back.co.za |
back2back.ca |
back2back.tv |
back2back.org |
back2back.com.br |
DNS History
12 records (4 active, 8 former)
○NSdocks18.rzone.de2015-08-06 → 2020-03-31 · 3 obs
● 2020-03-31 17:03:30
○ 2026-06-18 19:52:44
○NSshades02.rzone.de2015-08-06 → 2020-03-31 · 3 obs
● 2020-03-31 17:03:30
○ 2026-06-18 19:52:44
●MXlocalhost2026-06-18 → 2026-06-18 · 2 obs
● 2026-06-18 19:52:44
○MXsmtp.rzone.de2015-08-06 → 2017-03-26 · 4 obs
● 2017-03-26 10:57:02
○ 2020-03-31 17:03:30
○ 2026-06-18 19:52:44
○MXsmtpin.rzone.de2020-03-31 → 2020-03-31 · 3 obs
● 2020-03-31 17:03:30
○ 2026-06-18 19:52:44
○A2a01:238:20a:202:1086::2020-03-31 → 2020-03-31 · 3 obs
● 2020-03-31 17:03:30
○ 2026-06-18 19:52:44
○A2a01:238:20a:202:1169::2015-08-06 → 2017-03-26 · 4 obs
● 2017-03-26 10:57:02
○ 2020-03-31 17:03:30
○ 2026-06-18 19:52:44
○A81.169.145.1692015-08-06 → 2017-03-26 · 4 obs
● 2017-03-26 10:57:02
○ 2020-03-31 17:03:30
○ 2026-06-18 19:52:44
○A81.169.145.862020-03-31 → 2020-03-31 · 3 obs
● 2020-03-31 17:03:30
○ 2026-06-18 19:52:44
●A91.195.241.2322026-06-18 → 2026-06-18 · 2 obs
● 2026-06-18 19:52:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| back2back.de | sl1.sedo.com, sl2.sedo.com | - |
✅ Authoritative Response
Server:91.195.241.173
NS records: sl1.sedo.com, sl2.sedo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for back2back.de (unsigned zone)
⏱️ Timing
Total: 794ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.195.241.232 |
| NS | 2 | sl1.sedo.com, sl2.sedo.com |
| MX | 1 | localhost (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | sl1.sedo.com hostmaster.sedo.de |
Analysis
IP Addresses
back2back.de resolves to just one IP address, 91.195.241.232.
Two other host names, along with netadvisor.de, emca.online and laptopparts.eu, also share IP numbers with back2back.de.
Name Servers
back2back.de has two authoritative name servers — sl1.sedo.com and sl2.sedo.com.
back2back.de shares its NS records with other domains, for example spacekey.de, ssp-gmbh.de, horspiste.be and two others.
Both sl1.sedo.com and sl2.sedo.com have a single IP address each — sl1.sedo.com resolves to 91.195.240.173 while sl2.sedo.com resolves to 91.195.241.173.
Mail Servers
The sole mail server for back2back.de is localhost.
Among the domains sharing a mail server setup with back2back.de are kastamonukuyukebabi.com, andromatics.com, onlyon.com and two others.