isc4u.de - robtex.com

isc4u.de

DNSSEC⚠️ Not signed
NSpdns82.ultradns.com ⭐
A2001:502:f3ff::76🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns82.ultradns.com
A156.154.64.82🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRpdns82.ultradns.com
NSpdns82.ultradns.biz
A2610:a1:1015::76🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns82.ultradns.biz
A156.154.66.82🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRpdns82.ultradns.biz
NSpdns82.ultradns.net
A2610:a1:1014::76🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns82.ultradns.net
A156.154.65.82🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRpdns82.ultradns.net
NSpdns82.ultradns.org
A2001:502:4612::76🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns82.ultradns.org
A156.154.67.82🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRpdns82.ultradns.org
MXisc4u-de.mail.protection.outlook.com ⭐
A52.101.11.17🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sn1pr0501cu00301.inbound.protection.outlook.com
A52.101.40.24🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cy5pr05cu00100.inbound.protection.outlook.com
A52.101.41.28🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj0pr03cu01504.inbound.protection.outlook.com
A52.101.194.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ch0pr04cu00504.inbound.protection.outlook.com
TXTv=spf1 include:_spf.oneomnicom.com -all
TXTgoogle-site-verification=3DmxrhnIoyF9QENtQefVqF5CY9ews4fbjj8siCkvMLA
TXTbox-domain-verification=9ee37f7ae37efe84cc4fe80cbb6d595cf05afdd79d4f096e05878...
TXTatlassian-domain-verification=jnECo5N3FFedMZvGze/NG2GaOw0UEzP3iXUmtmPDs29kJD2...
SOApdns82.ultradns.comhostmaster@omnicomgroup.com 2020-11-28 #61

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=1774389741

Subdomains

smtp3.isc4u.de
achat.isc4u.de
coffinit.isc4u.de
achat02.isc4u.de
pan-demo-wpch01.isc4u.de
gneiss.isc4u.de
pan-wp01.isc4u.de
smtp1.isc4u.de

Same first word

isc4u.co.uk
isc4u.de
isc4u.net

Similar names

csi4u.com
sci4u.info
csi4u.net
sci4u.eu
sci4u.biz
ics4u.eu
sci4u.org
sci4u.com
sci4u.us
sci4u.ru
ics4u.com
i4cus.co
sci4u.de
i4cus.tech
sci4u.net
i4cus.com
csi4u.org

DNS History

15 records (5 active, 10 former)

201020122014201620182020202220242026NSpdns82.ultradns.bizpdns82.ultradns.compdns82.ultradns.netpdns82.ultradns.orga.sec-ns.deachat.isc4u.netc.sec-ns.deketchup.isc4u.netmajo.isc4u.netMXisc4u-de.mail.protection.outlook.commxa-00291101.gslb.pphosted.commxb-00291101.gslb.pphosted.comsmtp1.isc4u.desmtp2.isc4u.desmtp3.isc4u.de
○NSa.sec-ns.de2009-01-24 → 2016-12-30 · 4 obs
● 2009-01-24 09:24:32
● 2016-12-30 08:10:52
○ 2018-08-04 03:48:10
○ 2026-03-24 22:23:28
○NSachat.isc4u.net2009-01-24 → 2016-12-30 · 4 obs
● 2009-01-24 09:24:32
● 2016-12-30 08:10:52
○ 2018-08-04 03:48:10
○ 2026-03-24 22:23:28
○NSc.sec-ns.de2009-01-24 → 2016-12-30 · 4 obs
● 2009-01-24 09:24:32
● 2016-12-30 08:10:52
○ 2018-08-04 03:48:10
○ 2026-03-24 22:23:28
○NSketchup.isc4u.net2018-08-04 → 2018-08-04 · 4 obs
○ 2016-12-30 08:10:52
● 2018-08-04 03:48:10
○ 2026-02-20 03:07:14
○ 2026-03-24 22:23:28
○NSmajo.isc4u.net2018-08-04 → 2018-08-04 · 4 obs
○ 2016-12-30 08:10:52
● 2018-08-04 03:48:10
○ 2026-02-20 03:07:14
○ 2026-03-24 22:23:28
●NSpdns82.ultradns.biz2026-02-20 → 2026-03-24 · 3 obs
○ 2018-08-04 03:48:10
● 2026-02-20 03:07:14
● 2026-03-24 22:23:28
●NSpdns82.ultradns.com2026-02-20 → 2026-03-24 · 3 obs
○ 2018-08-04 03:48:10
● 2026-02-20 03:07:14
● 2026-03-24 22:23:28
●NSpdns82.ultradns.net2026-02-20 → 2026-03-24 · 3 obs
○ 2018-08-04 03:48:10
● 2026-02-20 03:07:14
● 2026-03-24 22:23:28
●NSpdns82.ultradns.org2026-02-20 → 2026-03-24 · 3 obs
○ 2018-08-04 03:48:10
● 2026-02-20 03:07:14
● 2026-03-24 22:23:28
●MXisc4u-de.mail.protection.outlook.com2026-02-20 → 2026-03-24 · 3 obs
○ 2018-08-04 03:48:10
● 2026-02-20 03:07:14
● 2026-03-24 22:23:28
○MXmxa-00291101.gslb.pphosted.com2018-08-04 → 2018-08-04 · 4 obs
○ 2016-12-30 08:10:52
● 2018-08-04 03:48:10
○ 2026-02-20 03:07:14
○ 2026-03-24 22:23:28
○MXmxb-00291101.gslb.pphosted.com2018-08-04 → 2018-08-04 · 4 obs
○ 2016-12-30 08:10:52
● 2018-08-04 03:48:10
○ 2026-02-20 03:07:14
○ 2026-03-24 22:23:28
○MXsmtp1.isc4u.de2009-01-24 → 2016-12-30 · 4 obs
● 2009-01-24 09:24:32
● 2016-12-30 08:10:52
○ 2018-08-04 03:48:10
○ 2026-03-24 22:23:28
○MXsmtp2.isc4u.de2009-01-24 → 2016-05-06 · 4 obs
● 2009-01-24 09:24:32
● 2016-05-06 18:26:54
○ 2016-11-14 23:12:34
○ 2026-03-24 22:23:28
○MXsmtp3.isc4u.de2009-01-24 → 2016-12-30 · 4 obs
● 2009-01-24 09:24:32
● 2016-12-30 08:10:52
○ 2018-08-04 03:48:10
○ 2026-03-24 22:23:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
isc4u.depdns82.ultradns.org, pdns82.ultradns.net, pdns82.ultradns.biz, pdns82.ultradns.com-

✅ Authoritative Response

Server:156.154.66.82

NS records: pdns82.ultradns.org, pdns82.ultradns.net, pdns82.ultradns.biz, pdns82.ultradns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isc4u.de (unsigned zone)

⏱️ Timing

Total: 1120ms | Queries: -

📄 Records

TypeCountSample Data
NS4pdns82.ultradns.biz, pdns82.ultradns.com...
MX1isc4u-de.mail.protection.outlook.com (pr
TXT4v=spf1 include:_spf.oneomnicom.com -all, google-site-verification=3DmxrhnIoyF9QEN...
SOA1pdns82.ultradns.com hostmaster.omnicomgr

Analysis

Hierarchy

isc4u.de is a parent of smtp3.isc4u.de, achat.isc4u.de, coffinit.isc4u.de, achat02.isc4u.de, pan-demo-wpch01.isc4u.de and a few other host names.

Name Servers

isc4u.de is delegated to four name servers: pdns82.ultradns.biz, pdns82.ultradns.com, pdns82.ultradns.net and pdns82.ultradns.org.

isc4u.de at least partially shares name servers with other domains, for instance grahamcapital.com, zoetisgrassroots.com, adelphiresearchinternational.com, designer.be and mediacenter.nl.

Host names with two IP numbers: pdns82.ultradns.biz points to 2610:a1:1015::76 and 156.154.66.82; pdns82.ultradns.com points to 2001:502:f3ff::76 and 156.154.64.82; pdns82.ultradns.net points to 2610:a1:1014::76 and 156.154.65.82; pdns82.ultradns.org points to 2001:502:4612::76 and 156.154.67.82.

Mail Servers

isc4u.de is handled by a single mail server, isc4u-de.mail.protection.outlook.com.

The host name isc4u-de.mail.protection.outlook.com has four IP numbers: 52.101.11.17, 52.101.40.24, 52.101.41.28 and 52.101.194.12.