duabus.com - dns.ninja

`duabus.com`

DNSSEC	⚠️ Not signed
A	81.169.221.250^{🇩🇪 STRATO81.169.128.0/17 AG}
		PTR	`h2953523.stratoserver.net`
NS	`ns1.webgo.de` ⭐
		A	2a00:5fc1:0:120:89:44:8:112^{🇩🇪 DE-WEBGO2a00:5fc1::/32}
		A	89.44.8.112^{🇩🇪 DE-WEBGO89.44.8.0/24 webgo GmbH}
NS	`ns2.webgo.de`
		A	2a00:5fc1:0:120:89:44:8:111^{🇩🇪 DE-WEBGO2a00:5fc1::/32}
		A	89.44.8.111^{🇩🇪 DE-WEBGO89.44.8.0/24 webgo GmbH}
NS	`ns3.webgo.de`
		A	2a00:5fc1:0:120:89:44:8:124^{🇩🇪 DE-WEBGO2a00:5fc1::/32}
		A	89.44.8.124^{🇩🇪 DE-WEBGO89.44.8.0/24 webgo GmbH}
NS	`ns4.webgo.de`
		A	2001:4ba0:ffff:81::1^{🇩🇪 MYLOC-AS2001:4ba0::/32 myLoc managed IT AG}
		A	217.79.184.5^{🇩🇪 MYLOC-AS217.79.176.0/20 myLoc managed IT AG}
			PTR	`ns4.webgo.de`
MX	`mx1.duabus.com` ⭐
		A	81.169.221.250^{🇩🇪 STRATO81.169.128.0/17 AG}
			PTR	`h2953523.stratoserver.net`
MX	`duabus.com`⁽²⁰⁾
		A	81.169.221.250^{🇩🇪 STRATO81.169.128.0/17 AG}
			PTR	`h2953523.stratoserver.net`
TXT	`v=spf1 a mx ip4:81.169.221.250 ip4:37.17.224.0/21 ip4:185.30.32.0/22 ip4:88.8...`
SOA	`ns1.webgo.de`hostmaster@webgo.de 2025-05-22 #2

`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=1785182297

MX for

duabus.com

Subdomains

mx1.duabus.com

Same first word

duabus.com

Similar names

bausud.blogspot.com.br

dubusa.com

dabusu.com

subuda.com

sudbau.hu

DNS History

10 records (7 active, 3 former)

○NSns1.cheapdomains.com.au2016-12-16 → 2017-10-06 · 4 obs

● 2016-12-16 02:13:28
● 2017-10-06 10:30:30
○ 2026-04-07 00:41:06
○ 2026-07-27 20:24:54

●NSns1.webgo.de2026-04-07 → 2026-07-27 · 3 obs

○ 2017-10-06 10:30:30
● 2026-04-07 00:41:06
● 2026-07-27 20:24:54

○NSns2.cheapdomains.com.au2016-12-16 → 2017-10-06 · 4 obs

● 2016-12-16 02:13:28
● 2017-10-06 10:30:30
○ 2026-04-07 00:41:06
○ 2026-07-27 20:24:54

●NSns2.webgo.de2026-04-07 → 2026-07-27 · 3 obs

○ 2017-10-06 10:30:30
● 2026-04-07 00:41:06
● 2026-07-27 20:24:54

●NSns3.webgo.de2026-04-07 → 2026-07-27 · 3 obs

○ 2017-10-06 10:30:30
● 2026-04-07 00:41:06
● 2026-07-27 20:24:54

●NSns4.webgo.de2026-04-07 → 2026-07-27 · 3 obs

○ 2017-10-06 10:30:30
● 2026-04-07 00:41:06
● 2026-07-27 20:24:54

●MXduabus.com2026-04-07 → 2026-07-27 · 2 obs

● 2026-04-07 00:41:06
● 2026-07-27 20:24:54

●MXmx1.duabus.com2026-04-07 → 2026-07-27 · 2 obs

● 2026-04-07 00:41:06
● 2026-07-27 20:24:54

○A203.170.80.2522016-12-16 → 2017-10-06 · 4 obs

● 2016-12-16 02:13:28
● 2017-10-06 10:30:30
○ 2026-04-07 00:41:06
○ 2026-07-27 20:24:54

●A81.169.221.2502026-04-07 → 2026-07-27 · 3 obs

○ 2017-10-06 10:30:30
● 2026-04-07 00:41:06
● 2026-07-27 20:24:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
duabus.com	ns1.webgo.de, ns2.webgo.de, ns3.webgo.de, ns4.webgo.de	-

✅ Authoritative Response

Server:217.79.184.5

NS records: ns1.webgo.de, ns2.webgo.de, ns3.webgo.de, ns4.webgo.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duabus.com (unsigned zone)

⏱️ Timing

Total: 688ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.221.250`
NS	4	`ns4.webgo.de, ns2.webgo.de...`
MX	2	`mx1.duabus.com (pri: 10), duabus.com (pri: 20)`
TXT	1	`v=spf1 a mx ip4:81.169.221.250 ip4:37.17`
SOA	1	`ns1.webgo.de hostmaster.webgo.de`

Analysis

Hierarchy

duabus.com is the parent zone for mx1.duabus.com.

Mail Server Role

duabus.com serves as a mail server for duabus.com.

mx1.duabus.com routinely functions as a mail server together with duabus.com.

IP Addresses

duabus.com has exactly one IP address — 81.169.221.250.

duabus.com shares its IP numbers with other host names, including mx1.duabus.com, edle-raeume.de, h2953523.stratoserver.net and edle-raeume.at.

Name Servers

Four name servers handle the delegation for duabus.com: ns1.webgo.de, ns2.webgo.de, ns3.webgo.de and ns4.webgo.de.

duabus.com partially shares its NS delegation with several other domains, including netztech.net, falten-weg-botox.de, v165515.goserver.host and two others.

ns1.webgo.de, ns2.webgo.de, ns3.webgo.de and ns4.webgo.de each carry two IP addresses. ns1.webgo.de has 89.44.8.112 and 2a00:5fc1:0:120:89:44:8:112; ns2.webgo.de has 89.44.8.111 and 2a00:5fc1:0:120:89:44:8:111; ns3.webgo.de has 89.44.8.124 and 2a00:5fc1:0:120:89:44:8:124; ns4.webgo.de has 217.79.184.5 and 2001:4ba0:ffff:81::1.

Mail Servers

duabus.com delegates mail to two mail servers, namely duabus.com and mx1.duabus.com.

Each of duabus.com and mx1.duabus.com points to exactly one IP address: 81.169.221.250.

duabus.com and mx1.duabus.com each have 81.169.221.250 IP addresses.