`c-office.de`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	217.160.0.254^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1053.ui-dns.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:5235:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.com`
		A	217.160.82.53^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.com`
NS	`ns1053.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5135:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.biz`
		A	217.160.81.53^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.biz`
NS	`ns1053.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:5035:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.de`
		A	217.160.80.53^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.de`
NS	`ns1053.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5335:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.org`
		A	217.160.83.53^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.org`
MX	`coffice-de0c.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
TXT	`MS=9E29C93B93FE21B7FAB87347D08B28F71BE17C89`
TXT	`v=spf1 include:spf.protection.outlook.com ~all`
SOA	`ns1053.ui-dns.com`hostmaster@kundenserver.de 2017-05-05 #31

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1777218020

Subdomains

mail.c-office.de

Same first word

c-office.com

c-office.es

c-office.jp

c-office.nl

c-office.de

Similar names

office-c.net

DNS History

20 records (7 active, 13 former)

○NSns-de.1and1-dns.biz2016-07-10 → 2017-05-17 · 5 obs

○ 2016-03-12 20:43:04
● 2016-07-10 14:15:24
● 2017-05-17 14:51:06
○ 2026-04-26 15:52:44
○ 2026-04-26 15:52:46

○NSns-de.1and1-dns.com2016-07-10 → 2017-05-17 · 5 obs

○ 2016-03-12 20:43:04
● 2016-07-10 14:15:24
● 2017-05-17 14:51:06
○ 2026-04-26 15:52:44
○ 2026-04-26 15:52:46

○NSns-de.1and1-dns.de2016-07-10 → 2017-05-17 · 5 obs

○ 2016-03-12 20:43:04
● 2016-07-10 14:15:24
● 2017-05-17 14:51:06
○ 2026-04-26 15:52:44
○ 2026-04-26 15:52:46

○NSns-de.1and1-dns.org2016-07-10 → 2017-05-17 · 5 obs

○ 2016-03-12 20:43:04
● 2016-07-10 14:15:24
● 2017-05-17 14:51:06
○ 2026-04-26 15:52:44
○ 2026-04-26 15:52:46

○NSns.schlund.de2015-08-17 → 2016-03-12 · 4 obs

● 2015-08-17 09:38:22
● 2016-03-12 20:43:04
○ 2016-07-10 14:15:24
○ 2026-04-26 15:52:46

●NSns1053.ui-dns.biz2026-04-26 → 2026-04-26 · 3 obs

○ 2017-05-17 14:51:06
● 2026-04-26 15:52:44
● 2026-04-26 15:52:46

●NSns1053.ui-dns.com2026-04-26 → 2026-04-26 · 3 obs

○ 2017-05-17 14:51:06
● 2026-04-26 15:52:44
● 2026-04-26 15:52:46

●NSns1053.ui-dns.de2026-04-26 → 2026-04-26 · 3 obs

○ 2017-05-17 14:51:06
● 2026-04-26 15:52:44
● 2026-04-26 15:52:46

●NSns1053.ui-dns.org2026-04-26 → 2026-04-26 · 3 obs

○ 2017-05-17 14:51:06
● 2026-04-26 15:52:44
● 2026-04-26 15:52:46

○NSns2.schlund.de2015-08-17 → 2016-03-12 · 4 obs

● 2015-08-17 09:38:22
● 2016-03-12 20:43:04
○ 2016-07-10 14:15:24
○ 2026-04-26 15:52:46

●MXcoffice-de0c.mail.protection.outlook.com2026-04-26 → 2026-04-26 · 3 obs

○ 2017-05-17 14:51:06
● 2026-04-26 15:52:44
● 2026-04-26 15:52:46

○MXmail.c-office.de2015-08-17 → 2017-05-17 · 4 obs

● 2015-08-17 09:38:22
● 2017-05-17 14:51:06
○ 2026-04-26 15:52:44
○ 2026-04-26 15:52:46

○MXmx00.kundenserver.de2015-08-17 → 2016-03-12 · 4 obs

● 2015-08-17 09:38:22
● 2016-03-12 20:43:04
○ 2016-07-10 14:15:24
○ 2026-04-26 15:52:46

○MXmx01.kundenserver.de2015-08-17 → 2016-03-12 · 4 obs

● 2015-08-17 09:38:22
● 2016-03-12 20:43:04
○ 2016-07-10 14:15:24
○ 2026-04-26 15:52:46

○MXmx01.schlund.de2015-08-17 → 2016-03-12 · 4 obs

● 2015-08-17 09:38:22
● 2016-03-12 20:43:04
○ 2016-07-10 14:15:24
○ 2026-04-26 15:52:46

●A2001:8d8:100f:f000::2002026-04-26 → 2026-04-26 · 3 obs

○ 2017-05-17 14:51:06
● 2026-04-26 15:52:44
● 2026-04-26 15:52:46

○A2001:8d8:100f:f000::22d2016-07-10 → 2017-05-17 · 5 obs

○ 2016-03-12 20:43:04
● 2016-07-10 14:15:24
● 2017-05-17 14:51:06
○ 2026-04-26 15:52:44
○ 2026-04-26 15:52:46

○A217.160.0.2362016-07-10 → 2017-05-17 · 5 obs

○ 2016-03-12 20:43:04
● 2016-07-10 14:15:24
● 2017-05-17 14:51:06
○ 2026-04-26 15:52:44
○ 2026-04-26 15:52:46

●A217.160.0.2542026-04-26 → 2026-04-26 · 3 obs

○ 2017-05-17 14:51:06
● 2026-04-26 15:52:44
● 2026-04-26 15:52:46

○A82.165.73.1622015-08-17 → 2016-03-12 · 4 obs

● 2015-08-17 09:38:22
● 2016-03-12 20:43:04
○ 2016-07-10 14:15:24
○ 2026-04-26 15:52:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
c-office.de	ns1053.ui-dns.de, ns1053.ui-dns.biz, ns1053.ui-dns.com, ns1053.ui-dns.org	-

✅ Authoritative Response

Server:217.160.83.53

NS records: ns1053.ui-dns.de, ns1053.ui-dns.biz, ns1053.ui-dns.com, ns1053.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c-office.de (unsigned zone)

⏱️ Timing

Total: 911ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.254`
AAAA	1	`2001:8d8:100f:f000::200`
NS	4	`ns1053.ui-dns.com, ns1053.ui-dns.org...`
MX	1	`coffice-de0c.mail.protection.outlook.com`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=9E29C93B93FE21B7FAB87347D08B28F71BE17`
SOA	1	`ns1053.ui-dns.com hostmaster.kundenserve`

Analysis

Hierarchy

c-office.de is parent of mail.c-office.de.

IP Addresses

c-office.de points to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.254.

Other host names, for instance audittrust.de, werkzeug-seite.de, atavoladicanela.com, lokin.de and andessun.com share IP numbers with c-office.de.

Name Servers

c-office.de is delegated to four name servers: ns1053.ui-dns.biz, ns1053.ui-dns.com, ns1053.ui-dns.de and ns1053.ui-dns.org.

c-office.de at least partially shares its name servers with other domains, for instance borisapenbrink.de, abbey-lane.com, stuck-ewald.de, langentepe.de and rka.legal.

these name servers are commonly used together with ns1101.ui-dns.com, ns1084.ui-dns.biz, ns1070.ui-dns.de and ns1074.ui-dns.com.

Host names with two IPs: ns1053.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5135:100 and 217.160.81.53; ns1053.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5235:100 and 217.160.82.53; ns1053.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:5035:100 and 217.160.80.53; ns1053.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5335:100 and 217.160.83.53.

Mail Servers

c-office.de is served by a single mail server, coffice-de0c.mail.protection.outlook.com.

The host name coffice-de0c.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::d, 52.101.68.16, 52.101.73.2, 52.101.73.11 and 52.101.73.16.

c-office.de - robtex.com

c-office.de

de

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`c-office.de`

`de`