doublecom.de - dns.ninja

doublecom.de

DNSSEC⚠️ Not signed
A2a03:4000:61:72e7::19:7467🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
A202.61.233.21🇩🇪 netcup-AS202.61.233.0/24
NSroot-dns.netcup.net ⭐
A2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRroot-dns.netcup.net
A46.38.225.225🇩🇪 netcup-AS46.38.225.0/24
PTRroot-dns.netcup.net
NSsecond-dns.netcup.net
A2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRsecond-dns.netcup.net
A37.221.199.199🇩🇪 netcup-AS37.221.196.0/22
PTRsecond-dns.netcup.net
NSthird-dns.netcup.net
A2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH
PTRthird-dns.netcup.net
A188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH
PTRthird-dns.netcup.net
MXmail.doublecom.de ⭐
A202.61.233.23🇩🇪 netcup-AS202.61.233.0/24
PTRmxe917.netcup.net
MXmxe917.netcup.net(50)
A2a03:4000:0:520:141b:49ff:fe18:e589🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRmxe917.netcup.net
A202.61.233.23🇩🇪 netcup-AS202.61.233.0/24
PTRmxe917.netcup.net
TXTv=spf1 mx a include:_spf.webhosting.systems ~all
SOAroot-dns.netcup.netdnsadmin@netcup.net 2024-10-11 #16

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=1782890602

Subdomains

mail.doublecom.de

Same first word

doublecom.com.br
doublecom.de

Similar names

mobecloud.com

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSroot-dns.netcup.netsecond-dns.netcup.netthird-dns.netcup.netns.namespace4you.dens2.namespace4you.deMXmail.doublecom.demxe917.netcup.netmxf963.netcup.netmxlb.ispgateway.deA202.61.233.212a03:4000:61:72e7::19:7467134.119.2.1782a00:1158:0:407:281a::146.38.249.179
○NSns.namespace4you.de2015-07-11 → 2017-02-14 · 4 obs
● 2015-07-11 01:37:32
● 2017-02-14 09:45:28
○ 2020-01-04 20:09:00
○ 2026-07-01 07:36:42
○NSns2.namespace4you.de2015-07-11 → 2017-02-14 · 4 obs
● 2015-07-11 01:37:32
● 2017-02-14 09:45:28
○ 2020-01-04 20:09:00
○ 2026-07-01 07:36:42
●NSroot-dns.netcup.net2020-01-04 → 2026-07-01 · 3 obs
○ 2017-02-14 09:45:28
● 2020-01-04 20:09:00
● 2026-07-01 07:36:42
●NSsecond-dns.netcup.net2020-01-04 → 2026-07-01 · 3 obs
○ 2017-02-14 09:45:28
● 2020-01-04 20:09:00
● 2026-07-01 07:36:42
●NSthird-dns.netcup.net2020-01-04 → 2026-07-01 · 3 obs
○ 2017-02-14 09:45:28
● 2020-01-04 20:09:00
● 2026-07-01 07:36:42
●MXmail.doublecom.de2020-01-04 → 2026-07-01 · 3 obs
○ 2017-02-14 09:45:28
● 2020-01-04 20:09:00
● 2026-07-01 07:36:42
●MXmxe917.netcup.net2026-02-17 → 2026-07-01 · 3 obs
○ 2020-01-04 20:09:00
● 2026-02-17 13:58:54
● 2026-07-01 07:36:42
○MXmxf963.netcup.net2020-01-04 → 2020-01-04 · 4 obs
○ 2017-02-14 09:45:28
● 2020-01-04 20:09:00
○ 2026-02-17 13:58:54
○ 2026-07-01 07:36:42
○MXmxlb.ispgateway.de2015-07-11 → 2017-02-14 · 4 obs
● 2015-07-11 01:37:32
● 2017-02-14 09:45:28
○ 2020-01-04 20:09:00
○ 2026-07-01 07:36:42
○A134.119.2.1782015-07-11 → 2017-02-14 · 4 obs
● 2015-07-11 01:37:32
● 2017-02-14 09:45:28
○ 2020-01-04 20:09:00
○ 2026-07-01 07:36:42
●A202.61.233.212026-02-17 → 2026-07-01 · 3 obs
○ 2020-01-04 20:09:00
● 2026-02-17 13:58:54
● 2026-07-01 07:36:42
○A2a00:1158:0:407:281a::12015-07-11 → 2017-02-14 · 4 obs
● 2015-07-11 01:37:32
● 2017-02-14 09:45:28
○ 2020-01-04 20:09:00
○ 2026-07-01 07:36:42
●A2a03:4000:61:72e7::19:74672026-02-17 → 2026-07-01 · 3 obs
○ 2020-01-04 20:09:00
● 2026-02-17 13:58:54
● 2026-07-01 07:36:42
○A46.38.249.1792020-01-04 → 2020-01-04 · 4 obs
○ 2017-02-14 09:45:28
● 2020-01-04 20:09:00
○ 2026-02-17 13:58:54
○ 2026-07-01 07:36:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
doublecom.deroot-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net-

✅ Authoritative Response

Server:37.221.199.199

NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doublecom.de (unsigned zone)

⏱️ Timing

Total: 1129ms | Queries: -

📄 Records

TypeCountSample Data
A1202.61.233.21
AAAA12a03:4000:61:72e7::19:7467
NS3root-dns.netcup.net, third-dns.netcup.net...
MX2mail.doublecom.de (pri: 10), mxe917.netcup.net (pri: 50)
TXT1v=spf1 mx a include:_spf.webhosting.syst
SOA1root-dns.netcup.net dnsadmin.netcup.net

Analysis

Hierarchy

mail.doublecom.de is a subdomain of doublecom.de.

IP Addresses

doublecom.de has two IP addresses: 202.61.233.21 and 2a03:4000:61:72e7::19:7467

Among the host names that share IP numbers with doublecom.de are ns.gymnasium-altenholz.de, www.gymnasium-altenholz.de, ae915.netcup.net and two others.

Name Servers

The authoritative name servers for doublecom.de are root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net — three in total.

The name servers of doublecom.de overlap at least partially with those of other domains — among them dynpages.de, rhsweb.de, 12jaeger.de and two more.

root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net all resolve to exactly two IP numbers apiece: root-dns.netcup.net → 46.38.225.225 and 2a03:4000:0:1::e1e1; second-dns.netcup.net → 37.221.199.199 and 2a03:4000:2:24b::c7c7; third-dns.netcup.net → 188.68.63.68 and 2a03:4001:0:106::3f44.

Mail Servers

The MX records for doublecom.de point to two mail servers: mail.doublecom.de and mxe917.netcup.net.

doublecom.de shares at least some of its mail servers with other domains — for example niebergall.com, trauringberlin.de, rock-im-buni.de and two more.

Hosts with two IP numbers each:

mxe917.netcup.net directs traffic to 202.61.233.23 and 2a03:4000:0:520:141b:49ff:fe18:e589.

Hosts that resolve to one IP address:

mail.doublecom.de has the IP address 202.61.233.23.

Both mxe917.netcup.net and mail.doublecom.de resolve to 202.61.233.23 IP addresses each.