contera.de - dns.ninja

contera.de

DNSSEC⚠️ Not signed
A80.228.10.202🇩🇪 EWETEL80.228.0.0/16 DE-EWETEL-20011218
PTR202.gwport.de
NSns1.gwport.de ⭐
A195.191.92.140🇩🇪 CRONON-AS195.191.92.0/23 VAUTRON-SRS-NET
PTRns1.ns-serve.net
NSns2.gwport.de
A195.191.93.140🇩🇪 CRONON-AS195.191.92.0/23 VAUTRON-SRS-NET
PTRns2.ns-serve.net
MXmx01.gwport.de ⭐
A80.228.10.253🇩🇪 EWETEL80.228.0.0/16 DE-EWETEL-20011218
PTRmx01.gwport.de
TXTv=DMARC1; p=reject; rua=mailto:669f5c37@mxtoolbox.dmarc-report.com; ruf=mailt...
TXTv=spf1 mx a -all
SOAns1.gwport.deroot@ns1.gwport.de serial=1697437760

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1782764449

Same first word

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contera.de
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contera.dk

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DNS History

12 records (4 active, 8 former)

20162017201820192020202120222023202420252026NSns1.gwport.dens2.gwport.dens1.evision.netns2.evision.netMXmx01.gwport.demx01.evision.netmx01.itconet.demx02.evision.netmx02.itconet.demx03.itconet.deA80.228.10.20283.141.18.202
○NSns1.evision.net2015-05-08 → 2018-01-18 · 4 obs
● 2015-05-08 23:28:26
● 2018-01-18 15:11:44
○ 2026-03-31 08:07:58
○ 2026-06-29 20:23:58
●NSns1.gwport.de2026-03-31 → 2026-06-29 · 3 obs
○ 2018-01-18 15:11:44
● 2026-03-31 08:07:58
● 2026-06-29 20:23:58
○NSns2.evision.net2015-05-08 → 2018-01-18 · 4 obs
● 2015-05-08 23:28:26
● 2018-01-18 15:11:44
○ 2026-03-31 08:07:58
○ 2026-06-29 20:23:58
●NSns2.gwport.de2026-03-31 → 2026-06-29 · 3 obs
○ 2018-01-18 15:11:44
● 2026-03-31 08:07:58
● 2026-06-29 20:23:58
○MXmx01.evision.net2015-05-08 → 2016-09-12 · 4 obs
● 2015-05-08 23:28:26
● 2016-09-12 03:26:32
○ 2018-01-18 15:11:44
○ 2026-06-29 20:23:58
●MXmx01.gwport.de2026-03-31 → 2026-06-29 · 3 obs
○ 2018-01-18 15:11:44
● 2026-03-31 08:07:58
● 2026-06-29 20:23:58
○MXmx01.itconet.de2018-01-18 → 2018-01-18 · 4 obs
○ 2016-09-12 03:26:32
● 2018-01-18 15:11:44
○ 2026-03-31 08:07:58
○ 2026-06-29 20:23:58
○MXmx02.evision.net2015-05-08 → 2016-09-12 · 4 obs
● 2015-05-08 23:28:26
● 2016-09-12 03:26:32
○ 2018-01-18 15:11:44
○ 2026-06-29 20:23:58
○MXmx02.itconet.de2018-01-18 → 2018-01-18 · 4 obs
○ 2016-09-12 03:26:32
● 2018-01-18 15:11:44
○ 2026-03-31 08:07:58
○ 2026-06-29 20:23:58
○MXmx03.itconet.de2018-01-18 → 2018-01-18 · 4 obs
○ 2016-09-12 03:26:32
● 2018-01-18 15:11:44
○ 2026-03-31 08:07:58
○ 2026-06-29 20:23:58
●A80.228.10.2022026-03-31 → 2026-06-29 · 3 obs
○ 2018-01-18 15:11:44
● 2026-03-31 08:07:58
● 2026-06-29 20:23:58
○A83.141.18.2022015-05-08 → 2018-01-18 · 4 obs
● 2015-05-08 23:28:26
● 2018-01-18 15:11:44
○ 2026-03-31 08:07:58
○ 2026-06-29 20:23:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
contera.dens1.gwport.de, ns2.gwport.de2 records

✅ Authoritative Response

Server:195.191.92.140

NS records: ns1.gwport.de, ns2.gwport.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contera.de (unsigned zone)

⏱️ Timing

Total: 670ms | Queries: -

📄 Records

TypeCountSample Data
A180.228.10.202
NS2ns1.gwport.de, ns2.gwport.de
MX1mx01.gwport.de (pri: 10)
TXT2v=DMARC1; p=reject; rua=mailto:669f5c37@, v=spf1 mx a -all
SOA1ns1.gwport.de root.ns1.gwport.de

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.gwport.de, ns1.gwport.de)

Analysis

IP Addresses

contera.de points to a single IP number: 80.228.10.202.

Additional host names — wilk-import.de, dialin-80-228-10-202.ewetel.net, gestaltpaedagogikausbildung.de and two others — share IP numbers with contera.de.

Name Servers

contera.de is served by two delegated name servers, ns1.gwport.de and ns2.gwport.de.

contera.de shares its name server setup with other domains, including dgik.org, lit-group.com, jmueller.de and two others.

contera.de shares at least some of its name servers with other domains, including elternkompass.org, internationale-aktionswaren-messe.com, storelution.com and two others.

These name servers are frequently paired with the name servers ns1.evision.net and ns2.evision.net.

ns1.gwport.de and ns2.gwport.de each resolve to one IP number: ns1.gwport.de points to 195.191.92.140 and ns2.gwport.de points to 195.191.93.140.

Mail Servers

contera.de has one mail server: mx01.gwport.de.

contera.de shares the same mail server setup as other domains, including grundschule-moorriem.de, evision.net, stickan.de and two others.

contera.de shares at least some of its mail servers with other domains, such as d-comm-summit.de and 9de.de.

These mail servers are frequently seen alongside the mail servers mail.d-comm-summit.de.

There is one IP number for mx01.gwport.de: 80.228.10.253.