coreweb.de - dns.ninja

coreweb.de

DNSSEC⚠️ Not signed
A2a01:4f8:c01f:ea::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRcoreweb.de
A116.202.7.154🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC
NSns1.first-ns.de
A2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.first-ns.de
A213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns1.first-ns.de
NSrobotns2.second-ns.de
A2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRrobotns2.second-ns.de
A213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRrobotns2.second-ns.de
NSrobotns3.second-ns.com
A2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRrobotns3.second-ns.com
A193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRrobotns3.second-ns.com
MXcoreweb-de.mail.protection.outlook.com
A2a01:111:f403:ca04::2🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-du2pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca04::6🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00406.inbound.protection.outlook.com
A2a01:111:f403:ca09::3🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am6pr04cu00303.inbound.protection.outlook.com
A2a01:111:f403:ca09::8🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
A52.101.68.10🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbbpr03cu00102.inbound.protection.outlook.com
A52.101.73.4🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am0pr83cu00404.inbound.protection.outlook.com
A52.101.73.26🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr05cu01302.inbound.protection.outlook.com
A52.101.73.28🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am7pr05cu00204.inbound.protection.outlook.com
TXTapple-domain-verification=3aRxYGvVNQlasDp7
TXTv=spf1 include:spf.protection.outlook.com -all
TXT1password-site-verification=S5WT6CHBO5GTXNROEKKKFFKB5E
SOAns1.first-ns.deinfrastructure@coreweb-service.de 2026-04-29 #0

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=1782614505

PTR for

Subdomains

Same first word

Similar names

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSns1.first-ns.derobotns2.second-ns.derobotns3.second-ns.comdocks12.rzone.deshades12.rzone.deMXcoreweb-de.mail.protection.outlook.comsmtp.rzone.deA116.202.7.1542a01:4f8:c01f:ea::1138.201.116.2242a01:238:20a:202:1149::81.169.145.149
NSdocks12.rzone.de2015-07-14 → 2017-02-17 · 4 obs
● 2015-07-14 14:31:26
● 2017-02-17 09:04:48
○ 2026-03-13 11:57:12
○ 2026-06-28 02:57:52
NSns1.first-ns.de2026-03-13 → 2026-06-28 · 3 obs
○ 2017-02-17 09:04:48
● 2026-03-13 11:57:12
● 2026-06-28 02:57:52
NSrobotns2.second-ns.de2026-03-13 → 2026-06-28 · 3 obs
○ 2017-02-17 09:04:48
● 2026-03-13 11:57:12
● 2026-06-28 02:57:52
NSrobotns3.second-ns.com2026-03-13 → 2026-06-28 · 3 obs
○ 2017-02-17 09:04:48
● 2026-03-13 11:57:12
● 2026-06-28 02:57:52
NSshades12.rzone.de2015-07-14 → 2017-02-17 · 4 obs
● 2015-07-14 14:31:26
● 2017-02-17 09:04:48
○ 2026-03-13 11:57:12
○ 2026-06-28 02:57:52
MXcoreweb-de.mail.protection.outlook.com2016-06-22 → 2026-06-28 · 3 obs
○ 2016-02-11 11:30:54
● 2016-06-22 13:19:40
● 2026-06-28 02:57:52
MXsmtp.rzone.de2015-07-14 → 2016-02-11 · 4 obs
● 2015-07-14 14:31:26
● 2016-02-11 11:30:54
○ 2016-06-22 13:19:40
○ 2026-06-28 02:57:52
A116.202.7.1542026-03-13 → 2026-06-28 · 3 obs
○ 2017-02-17 09:04:48
● 2026-03-13 11:57:12
● 2026-06-28 02:57:52
A138.201.116.2242017-02-17 → 2017-02-17 · 4 obs
○ 2016-06-22 13:19:40
● 2017-02-17 09:04:48
○ 2026-03-13 11:57:12
○ 2026-06-28 02:57:52
A2a01:238:20a:202:1149::2015-07-14 → 2016-06-22 · 4 obs
● 2015-07-14 14:31:26
● 2016-06-22 13:19:40
○ 2017-02-17 09:04:48
○ 2026-06-28 02:57:52
A2a01:4f8:c01f:ea::12026-03-13 → 2026-06-28 · 3 obs
○ 2017-02-17 09:04:48
● 2026-03-13 11:57:12
● 2026-06-28 02:57:52
A81.169.145.1492015-07-14 → 2016-06-22 · 4 obs
● 2015-07-14 14:31:26
● 2016-06-22 13:19:40
○ 2017-02-17 09:04:48
○ 2026-06-28 02:57:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
def.nic.de, z.nic.de, a.nic.de-
coreweb.derobotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de-

✅ Authoritative Response

Server:193.47.99.3

NS records: robotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coreweb.de (unsigned zone)

⏱️ Timing

Total: 923ms | Queries: -

📄 Records

TypeCountSample Data
A1116.202.7.154
AAAA12a01:4f8:c01f:ea::1
NS3ns1.first-ns.de, robotns2.second-ns.de...
MX1coreweb-de.mail.protection.outlook.com (
TXT3v=spf1 include:spf.protection.outlook.co, 1password-site-verification=S5WT6CHBO5GT...
SOA1ns1.first-ns.de infrastructure.coreweb-s

Analysis

Hierarchy

www.coreweb.de is delegated beneath coreweb.de.

IP Addresses

coreweb.de has two IP addresses: 116.202.7.154 and 2a01:4f8:c01f:ea::1

There are other host names — www.coreweb.de among them — that share IP numbers with coreweb.de.

Name Servers

DNS for coreweb.de is handled by three authoritative name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

There is at least partial name server overlap between coreweb.de and other domains — that.world, deutsche-altersvorsorge.de, wakolbinger.com and two more among them.

The name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de are often found in combination with these name servers.

Three hostnames — robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de — each have two IP addresses: robotns3.second-ns.com has 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de has 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de has 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.

Mail Servers

coreweb.de uses one mail server — coreweb-de.mail.protection.outlook.com.

coreweb-de.mail.protection.outlook.com has 8 IP addresses: 52.101.68.10, 52.101.73.4, 52.101.73.26 plus 5 more.