topcoder.de - dns.ninja
topcoder.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=1780589844 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSns1.sedoparking.com2015-05-11 → 2017-04-05 · 4 obs
● 2017-04-05 01:13:22
○ 2026-02-16 03:24:18
○ 2026-06-04 16:24:04
○NSns2.sedoparking.com2015-05-11 → 2017-04-05 · 4 obs
● 2017-04-05 01:13:22
○ 2026-02-16 03:24:18
○ 2026-06-04 16:24:04
●NSsl1.sedo.com2026-02-16 → 2026-06-04 · 3 obs
● 2026-02-16 03:24:18
● 2026-06-04 16:24:04
●NSsl2.sedo.com2026-02-16 → 2026-06-04 · 3 obs
● 2026-02-16 03:24:18
● 2026-06-04 16:24:04
●MXlocalhost2016-09-13 → 2026-06-04 · 3 obs
● 2016-09-13 03:16:06
● 2026-06-04 16:24:04
○MXmail.b-io.co2015-05-11 → 2015-05-11 · 3 obs
○ 2015-10-15 09:19:02
○ 2026-06-04 16:24:04
○MXmail.nickstel.com2015-10-15 → 2016-04-01 · 5 obs
● 2015-10-15 09:19:02
● 2016-04-01 16:56:42
○ 2016-09-13 03:16:06
○ 2026-06-04 16:24:04
○A72.52.4.1192015-05-11 → 2017-04-05 · 4 obs
● 2017-04-05 01:13:22
○ 2026-02-16 03:24:18
○ 2026-06-04 16:24:04
●A91.195.241.2322026-02-16 → 2026-06-04 · 3 obs
● 2026-02-16 03:24:18
● 2026-06-04 16:24:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| topcoder.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 topcoder.de (unsigned zone)
⏱️ Timing
Total: 1819ms | 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
topcoder.de resolves to one IP address: 91.195.241.232.
iers.eu, 521.de, mx.dress.amsterdam and two other host names share IP numbers with topcoder.de.
Name Servers
Two name servers handle the delegation for topcoder.de: sl1.sedo.com and sl2.sedo.com.
topcoder.de uses the same name servers as several other domains — among them nrw.virtualservices.eu, icreate.at, abc-group.eu and two more.
At least some of topcoder.de's name servers are shared with other domains, for example futuresight.eu and kuota.eu.
These name servers tend to be used in conjunction with the name servers verification-cujzgbvstbwsjpnpf88ldf.ns101.verify.hn.
Each of sl1.sedo.com and sl2.sedo.com has one IP address: sl1.sedo.com uses 91.195.240.173 and sl2.sedo.com uses 91.195.241.173.
Mail Servers
Mail for topcoder.de is handled by a single mail server, localhost.
topcoder.de uses an identical mail server configuration to several other domains — among them securedate.de, mail.radline.com, taxi-koeln.de and two more.