check-x.de - robtex.com

check-x.de

DNSSEC⚠️ Not signed
A2a01:4f8:d0a:27bd::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww4.your-server.de
A88.198.219.246🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
NSns1.your-server.de ⭐
A2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.your-server.de
A213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRns1.your-server.de
NSns.second-ns.com
A2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns.second-ns.com
A213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns.second-ns.com
NSns3.second-ns.de
A2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRns3.second-ns.de
A193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRns3.second-ns.de
MXcheckx-de01c.mail.protection.outlook.com ⭐
A2a01:111:f403:ca27::🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-beup281cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca2d::🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca2d::1🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A2a01:111:f403:ca2d::2🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
A52.101.168.0🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-beup281cu00100.inbound.protection.outlook.com
A52.101.170.0🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A52.101.170.1🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A52.101.170.2🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
TXTMS=ms63220792
SOAns1.your-server.depostmaster@your-server.de 2026-02-02 #3

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=1776196861

Same first word

check-x.de

Similar names

x-check.de
x-check.com
x-check.co.uk
x-check.eu
x-check.net

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSns.second-ns.comns1.your-server.dens3.second-ns.dedns1.estugo-webhosting.comdns2.estugo-webhosting.comdns4.estugo-webhosting.comdns5.estugo-webhosting.comns1.estugo-webhosting.comns2.estugo-webhosting.comns3.estugo-webhosting.comns4.estugo-webhosting.comMXcheckx-de01c.mail.protection.outlook.commail.check-x.deA2a01:4f8:d0a:27bd::288.198.219.24637.218.252.24
○NSdns1.estugo-webhosting.com2015-06-20 → 2016-01-22 · 4 obs
● 2015-06-20 00:49:22
● 2016-01-22 19:55:12
○ 2016-04-13 08:10:16
○ 2026-04-14 20:24:54
○NSdns2.estugo-webhosting.com2015-06-20 → 2016-01-22 · 4 obs
● 2015-06-20 00:49:22
● 2016-01-22 19:55:12
○ 2016-04-13 08:10:16
○ 2026-04-14 20:24:54
○NSdns4.estugo-webhosting.com2015-06-20 → 2016-01-22 · 4 obs
● 2015-06-20 00:49:22
● 2016-01-22 19:55:12
○ 2016-04-13 08:10:16
○ 2026-04-14 20:24:54
○NSdns5.estugo-webhosting.com2015-06-20 → 2016-01-22 · 4 obs
● 2015-06-20 00:49:22
● 2016-01-22 19:55:12
○ 2016-04-13 08:10:16
○ 2026-04-14 20:24:54
●NSns.second-ns.com2026-04-11 → 2026-04-14 · 3 obs
○ 2017-05-13 07:54:30
● 2026-04-11 11:08:24
● 2026-04-14 20:24:54
○NSns1.estugo-webhosting.com2016-04-13 → 2017-05-13 · 5 obs
○ 2016-01-22 19:55:12
● 2016-04-13 08:10:16
● 2017-05-13 07:54:30
○ 2026-04-11 11:08:24
○ 2026-04-14 20:24:54
●NSns1.your-server.de2026-04-11 → 2026-04-14 · 3 obs
○ 2017-05-13 07:54:30
● 2026-04-11 11:08:24
● 2026-04-14 20:24:54
○NSns2.estugo-webhosting.com2016-04-13 → 2017-05-13 · 5 obs
○ 2016-01-22 19:55:12
● 2016-04-13 08:10:16
● 2017-05-13 07:54:30
○ 2026-04-11 11:08:24
○ 2026-04-14 20:24:54
○NSns3.estugo-webhosting.com2016-04-13 → 2017-05-13 · 5 obs
○ 2016-01-22 19:55:12
● 2016-04-13 08:10:16
● 2017-05-13 07:54:30
○ 2026-04-11 11:08:24
○ 2026-04-14 20:24:54
●NSns3.second-ns.de2026-04-11 → 2026-04-14 · 3 obs
○ 2017-05-13 07:54:30
● 2026-04-11 11:08:24
● 2026-04-14 20:24:54
○NSns4.estugo-webhosting.com2016-04-13 → 2017-05-13 · 5 obs
○ 2016-01-22 19:55:12
● 2016-04-13 08:10:16
● 2017-05-13 07:54:30
○ 2026-04-11 11:08:24
○ 2026-04-14 20:24:54
●MXcheckx-de01c.mail.protection.outlook.com2026-04-11 → 2026-04-14 · 3 obs
○ 2017-05-13 07:54:30
● 2026-04-11 11:08:24
● 2026-04-14 20:24:54
○MXmail.check-x.de2015-06-20 → 2017-05-13 · 4 obs
● 2015-06-20 00:49:22
● 2017-05-13 07:54:30
○ 2026-04-11 11:08:24
○ 2026-04-14 20:24:54
●A2a01:4f8:d0a:27bd::22026-04-11 → 2026-04-14 · 3 obs
○ 2017-05-13 07:54:30
● 2026-04-11 11:08:24
● 2026-04-14 20:24:54
○A37.218.252.242015-06-20 → 2017-05-13 · 4 obs
● 2015-06-20 00:49:22
● 2017-05-13 07:54:30
○ 2026-04-11 11:08:24
○ 2026-04-14 20:24:54
●A88.198.219.2462026-04-11 → 2026-04-14 · 3 obs
○ 2017-05-13 07:54:30
● 2026-04-11 11:08:24
● 2026-04-14 20:24:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
check-x.dens.second-ns.com, ns3.second-ns.de, ns1.your-server.de4 records

✅ Authoritative Response

Server:213.239.204.242

NS records: ns.second-ns.com, ns3.second-ns.de, ns1.your-server.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for check-x.de (unsigned zone)

⏱️ Timing

Total: 3843ms | Queries: -

📄 Records

TypeCountSample Data
A188.198.219.246
AAAA12a01:4f8:d0a:27bd::2
NS3ns.second-ns.com, ns1.your-server.de...
MX1checkx-de01c.mail.protection.outlook.com
TXT2MS=ms63220792, v=spf1 include:spf.protection.outlook.co
SOA1ns1.your-server.de postmaster.your-serve

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.second-ns.de, ns1.your-server.de, ns3.second-ns.de...)

Analysis

IP Addresses

check-x.de resolves to two IP numbers: 2a01:4f8:d0a:27bd::2 and 88.198.219.246.

Other host names, for instance adler.solar, ruth-pfau-forum.de, plantarom.de, registryofnaturehabitats.org and mail.ftappsrv.com share IP numbers with check-x.de.

Name Servers

check-x.de delegates to three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

check-x.de shares some name servers with other domains, for example furcast.de, dormisette.de, hp-spitzfaden.de, prosleduetmedia.com and neuero-farm.de.

Host names with two IP numbers:

ns.second-ns.com: 2a01:4f8:0:a101::b:1 and 213.239.204.242

ns3.second-ns.de: 2001:67c:192c::add:b3 and 193.47.99.4

ns1.your-server.de: 2a01:4f8:0:1::5ddc:1 and 213.133.100.102

Mail Servers

check-x.de is handled by a single mail server, checkx-de01c.mail.protection.outlook.com.

Host checkx-de01c.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca27::, 2a01:111:f403:ca2d::, 2a01:111:f403:ca2d::1, 2a01:111:f403:ca2d::2, 52.101.168.0, 52.101.170.0, 52.101.170.1 and 52.101.170.2.