`columbus-clean.com`

DNSSEC	⚠️ Not signed
A	85.220.229.66^{🇩🇪 MK-NETZDIENSTE-AS85.220.128.0/17 MK Netzdienste GmbH & Co. KG Block-3}
		PTR	`vweb319.mk.de`
NS	`ns1.mk.de` ⭐
		A	2001:1640::12:30^{🇩🇪 MK-NETZDIENSTE-AS2001:1640::/32 MK Netzdienste GmbH & Co. KG}
			PTR	`ns1.mk.de`
		A	213.172.96.2^{🇩🇪 MK-NETZDIENSTE-AS213.172.96.0/19 MK Netzdienste GmbH}
			PTR	`ns1.mk.de`
NS	`ns2.mk.de`
		A	2001:1640::12:31^{🇩🇪 MK-NETZDIENSTE-AS2001:1640::/32 MK Netzdienste GmbH & Co. KG}
			PTR	`ns2.mk.de`
		A	213.172.97.2^{🇩🇪 MK-NETZDIENSTE-AS213.172.96.0/19 MK Netzdienste GmbH}
MX	`mx01.hornetsecurity.com` ⭐
		A	94.100.132.8^{🇩🇪 MK-NETZDIENSTE-AS94.100.132.0/23 ANTISPAMEUROPE-NET via AS25394}
			PTR	`mx01.hornetsecurity.com`
MX	`mx02.hornetsecurity.com`⁽²⁰⁾
		A	94.100.136.8^{🇩🇪 SSERV-AS94.100.136.0/23 ANTISPAMEUROPE via as24679.net}
			PTR	`mx02.hornetsecurity.com`
MX	`mx03.hornetsecurity.com`⁽³⁰⁾
		A	94.100.134.8^{🇩🇪 NCORE-AS94.100.134.0/24 antispameurope GmbH via as12676}
			PTR	`mx03.hornetsecurity.com`
MX	`mx04.hornetsecurity.com`⁽⁴⁰⁾
		A	94.100.136.7^{🇩🇪 SSERV-AS94.100.136.0/23 ANTISPAMEUROPE via as24679.net}
			PTR	`mx04.hornetsecurity.com`
TXT	`sophos-domain-verification=81f41f9f8bbac8e180a815cc39533b380b633b7c`
TXT	`MS=ms82650438`
TXT	`sophos-domain-verification=9bae9e68f3dc97c8cde3bddc59b228c365febf5109f4081f83...`
TXT	`v=spf1 a a:cloud7-vm306.de-nserver.de a:vweb319.mk.de ip4:82.100.208.56/29 ip...`
SOA	`ns1.mk.de`hostmaster@mk.de 2021-07-14 #57

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774662362

Subdomains

www.columbus-clean.com

mail.columbus-clean.com

Same first word

columbus-clean.biz

columbus-clean.com

DNS History

8 records (7 active, 1 former)

●NSns1.mk.de2015-06-26 → 2026-03-28 · 2 obs

● 2015-06-26 01:58:30
● 2026-03-28 02:02:52

●NSns2.mk.de2015-06-26 → 2026-03-28 · 2 obs

● 2015-06-26 01:58:30
● 2026-03-28 02:02:52

○MXmail.columbus-clean.com2015-06-26 → 2017-02-01 · 4 obs

● 2015-06-26 01:58:30
● 2017-02-01 02:52:48
○ 2026-02-15 15:23:06
○ 2026-03-28 02:02:52

●MXmx01.hornetsecurity.com2026-02-15 → 2026-03-28 · 3 obs

○ 2017-02-01 02:52:48
● 2026-02-15 15:23:06
● 2026-03-28 02:02:52

●MXmx02.hornetsecurity.com2026-02-15 → 2026-03-28 · 3 obs

○ 2017-02-01 02:52:48
● 2026-02-15 15:23:06
● 2026-03-28 02:02:52

●MXmx03.hornetsecurity.com2026-02-15 → 2026-03-28 · 3 obs

○ 2017-02-01 02:52:48
● 2026-02-15 15:23:06
● 2026-03-28 02:02:52

●MXmx04.hornetsecurity.com2026-02-15 → 2026-03-28 · 3 obs

○ 2017-02-01 02:52:48
● 2026-02-15 15:23:06
● 2026-03-28 02:02:52

●A85.220.229.662026-02-15 → 2026-03-28 · 2 obs

● 2026-02-15 15:23:06
● 2026-03-28 02:02:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net...	-
columbus-clean.com	ns1.mk.de, ns2.mk.de	-

✅ Authoritative Response

Server:213.172.96.2

NS records: ns1.mk.de, ns2.mk.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for columbus-clean.com (unsigned zone)

⏱️ Timing

Total: 2797ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.220.229.66`
NS	2	`ns2.mk.de, ns1.mk.de`
MX	4	`mx01.hornetsecurity.com (pri: 10), mx02.hornetsecurity.com (pri: 20)...`
TXT	4	`sophos-domain-verification=81f41f9f8bbac, MS=ms82650438...`
SOA	1	`ns1.mk.de hostmaster.mk.de`

Analysis

Hierarchy

columbus-clean.com is a parent of www.columbus-clean.com and mail.columbus-clean.com.

IP Addresses

columbus-clean.com points to a single IP address: 85.220.229.66.

Other host names, such as vweb319.mk.de and staehle.de, share IP numbers with columbus-clean.com.

Name Servers

Two name servers ns1.mk.de and ns2.mk.de handle the delegation for columbus-clean.com.

columbus-clean.com shares the same name server setup as other domains, for example kh-sbk.de, as-wegas.de, hec-gmbh.com, ibid.de and happy-baby-shop.de.

Host names with two IP numbers:

ns1.mk.de points to 2001:1640::12:30 and 213.172.96.2.

ns2.mk.de points to 2001:1640::12:31 and 213.172.97.2.

Mail Servers

columbus-clean.com is served by four mail servers: mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com.

columbus-clean.com shares at least partially some mail servers with other domains, for instance tannhausen.de, rieder-hof.de, altoba.de, sbb.ca and avstumpfl.com.

Host names with one IP number:

mx01.hornetsecurity.com points to: 94.100.132.8

mx02.hornetsecurity.com points to: 94.100.136.8

mx03.hornetsecurity.com points to: 94.100.134.8

mx04.hornetsecurity.com points to: 94.100.136.7

columbus-clean.com - robtex.com