contentoptimizer.de - robtex.com

contentoptimizer.de

DNSSEC⚠️ Not signed
A142.132.249.29🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC
PTRmail.content-optimizer.de
NShydrogen.ns.hetzner.com ⭐
A2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRhydrogen.ns.hetzner.com
A213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRhydrogen.ns.hetzner.com
NShelium.ns.hetzner.de
A2001:67c:192c::add:5🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRhelium.ns.hetzner.de
A193.47.99.5🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRhelium.ns.hetzner.de
NSoxygen.ns.hetzner.com
A2a01:4f8:0:1::add:2992🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRoxygen.ns.hetzner.com
A88.198.229.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
PTRoxygen.ns.hetzner.com
MXsmtp.google.com ⭐
A2607:f8b0:4023:1004::1a🇺🇸 Google2607:f8b0::/32
PTRrq-in-f26.1e100.net
A2607:f8b0:4023:1004::1b🇺🇸 Google2607:f8b0::/32
PTRrq-in-f27.1e100.net
A2607:f8b0:4023:1011::1a🇺🇸 Google2607:f8b0::/32
PTRncdfwo-in-f26.1e100.net
A2607:f8b0:4023:1011::1b🇺🇸 Google2607:f8b0::/32
PTRncdfwo-in-f27.1e100.net
A142.250.26.26🇺🇸 Google142.250.26.0/24
PTRncdfwo-in-f26.1e100.net
A142.250.26.27🇺🇸 Google142.250.26.0/24
PTRncdfwo-in-f27.1e100.net
A142.250.114.27🇺🇸 Google142.250.114.0/24
PTRrr-in-f27.1e100.net
A142.250.115.26🇺🇸 Google142.250.115.0/24
PTRrq-in-f26.1e100.net
A142.250.115.27🇺🇸 Google142.250.115.0/24
PTRrq-in-f27.1e100.net
TXTgoogle-site-verification=ZY0hledTc2cc4aLr4jsGa9xtMdS0YTJT7Cx4lCx0Y_s
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-02-18 #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=1771291602

Same first word

contentoptimizer.de

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NShelium.ns.hetzner.dehydrogen.ns.hetzner.comoxygen.ns.hetzner.comnsa8.schlundtech.densb8.schlundtech.densc8.schlundtech.densd8.schlundtech.deMXsmtp.google.com176.28.13.136176.28.13.13691.250.103.60A142.132.249.2946.30.60.134
●NShelium.ns.hetzner.de2026-03-11 → 2026-03-13 · 3 obs
○ 2017-04-18 08:45:56
● 2026-03-11 16:52:56
● 2026-03-13 00:01:24
●NShydrogen.ns.hetzner.com2026-03-11 → 2026-03-13 · 3 obs
○ 2017-04-18 08:45:56
● 2026-03-11 16:52:56
● 2026-03-13 00:01:24
○NSnsa8.schlundtech.de2015-06-01 → 2017-04-18 · 4 obs
● 2015-06-01 08:03:28
● 2017-04-18 08:45:56
○ 2026-03-11 16:52:56
○ 2026-03-13 00:01:24
○NSnsb8.schlundtech.de2015-06-01 → 2017-04-18 · 4 obs
● 2015-06-01 08:03:28
● 2017-04-18 08:45:56
○ 2026-03-11 16:52:56
○ 2026-03-13 00:01:24
○NSnsc8.schlundtech.de2015-06-01 → 2017-04-18 · 4 obs
● 2015-06-01 08:03:28
● 2017-04-18 08:45:56
○ 2026-03-11 16:52:56
○ 2026-03-13 00:01:24
○NSnsd8.schlundtech.de2015-06-01 → 2017-04-18 · 4 obs
● 2015-06-01 08:03:28
● 2017-04-18 08:45:56
○ 2026-03-11 16:52:56
○ 2026-03-13 00:01:24
●NSoxygen.ns.hetzner.com2026-03-11 → 2026-03-13 · 3 obs
○ 2017-04-18 08:45:56
● 2026-03-11 16:52:56
● 2026-03-13 00:01:24
○MX176.28.13.1362015-10-26 → 2016-04-07 · 5 obs
○ 2015-06-01 08:03:28
● 2015-10-26 11:04:42
● 2016-04-07 19:05:56
○ 2016-09-24 13:18:58
○ 2026-03-13 00:01:24
○MX176.28.13.1362015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 08:03:28
○ 2015-10-26 11:04:42
○ 2026-03-13 00:01:24
○MX91.250.103.602016-09-24 → 2017-04-18 · 5 obs
○ 2016-04-07 19:05:56
● 2016-09-24 13:18:58
● 2017-04-18 08:45:56
○ 2026-03-11 16:52:56
○ 2026-03-13 00:01:24
●MXsmtp.google.com2026-03-11 → 2026-03-13 · 3 obs
○ 2017-04-18 08:45:56
● 2026-03-11 16:52:56
● 2026-03-13 00:01:24
●A142.132.249.292026-03-11 → 2026-03-13 · 3 obs
○ 2017-04-18 08:45:56
● 2026-03-11 16:52:56
● 2026-03-13 00:01:24
○A46.30.60.1342015-06-01 → 2017-04-18 · 4 obs
● 2015-06-01 08:03:28
● 2017-04-18 08:45:56
○ 2026-03-11 16:52:56
○ 2026-03-13 00:01:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
def.nic.de, a.nic.de, z.nic.de-
contentoptimizer.dehelium.ns.hetzner.de, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com-

✅ Authoritative Response

Server: 213.133.100.98

NS records: helium.ns.hetzner.de, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contentoptimizer.de (unsigned zone)

⏱️ Timing

Total: 4572ms | Queries: -

📄 Records

TypeCountSample Data
A1142.132.249.29
NS3helium.ns.hetzner.de, hydrogen.ns.hetzner.com...
MX1smtp.google.com (pri: 1)
TXT1google-site-verification=ZY0hledTc2cc4aL
SOA1hydrogen.ns.hetzner.com dns.hetzner.com

Analysis

IP Addresses

contentoptimizer.de points to a single IP: 142.132.249.29.

Other host names, for instance 91.250.103.60.content-optimizer.de, photosyncme.com, content-optimizer.de.cpgn.de, jotaworks.net and mail.content-optimizer.de share IP numbers with contentoptimizer.de.

Name Servers

contentoptimizer.de is delegated to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

contentoptimizer.de at least partially shares its name servers with other domains, for instance klawitter-haustechnik.de, soft-land.org, infomaxnet.de, coracing.de and hautarzt-dr-gelber.de.

Host names with two IP numbers:

hydrogen.ns.hetzner.com points to: 2a01:4f8:0:1::add:1098 and 213.133.100.98.

oxygen.ns.hetzner.com points to: 2a01:4f8:0:1::add:2992 and 88.198.229.192.

helium.ns.hetzner.de points to: 2001:67c:192c::add:5 and 193.47.99.5.

Mail Servers

contentoptimizer.de is served by a single mail server, smtp.google.com.

contentoptimizer.de uses the same mail server setup as other domains such as wiredpea.com, refloat.com, theskirtboutique.shop, l2promotions.com and osbez.ru.

contentoptimizer.de shares some mail servers with other domains, including cubiux.com, aimindfactory.com, thespacegeek.com, decentdecorind.in and powerpepper.net.

these mail servers are often used with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx.l.google.com.

smtp.google.com points to nine IP numbers: 2607:f8b0:4023:1004::1a, 2607:f8b0:4023:1004::1b, 2607:f8b0:4023:1011::1a, 2607:f8b0:4023:1011::1b, 142.250.26.26, 142.250.26.27, 142.250.114.27, 142.250.115.26 and 142.250.115.27.