dbcourse.com - dns.ninja

`dbcourse.com`

DNSSEC	⚠️ Not signed
A	217.160.0.152^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
		PTR	`217-160-0-152.elastic-ssl.ui-r.com`
NS	`ns1033.ui-dns.de` ⭐
		A	2001:8d8:fe:53:0:d9a0:5021:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1033.ui-dns.de`
		A	217.160.80.33^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1033.ui-dns.de`
NS	`ns1033.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5121:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1033.ui-dns.biz`
		A	217.160.81.33^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1033.ui-dns.biz`
NS	`ns1033.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5221:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1033.ui-dns.com`
		A	217.160.82.33^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1033.ui-dns.com`
NS	`ns1033.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5321:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1033.ui-dns.org`
		A	217.160.83.33^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1033.ui-dns.org`
MX	`mx00.ionos.de` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.de` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1033.ui-dns.de`hostmaster@schlund.de 2016-04-19 #3

`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=1781066268

Same first word

dbcourse.com

Similar names

subcoder.com

sourcedb.com

budscore.com

bdsource.net

credobus.hu

bdcourse.com

bdsource.info

budscore.ca

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brucodes.com

sourcedb.de

obscured.com

scorebud.com

coursedb.com

obscured.se

dbsource.net

bdsource.com

berdusco.com

credobus.com

subcoder.ru

corebuds.com

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obscured.co

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obscured.info

DNS History

13 records (7 active, 6 former)

●NSns1033.ui-dns.biz2020-03-03 → 2026-06-10 · 3 obs

○ 2017-01-29 16:41:24
● 2020-03-03 16:54:48
● 2026-06-10 04:53:22

●NSns1033.ui-dns.com2020-03-03 → 2026-06-10 · 3 obs

○ 2017-01-29 16:41:24
● 2020-03-03 16:54:48
● 2026-06-10 04:53:22

●NSns1033.ui-dns.de2020-03-03 → 2026-06-10 · 3 obs

○ 2017-01-29 16:41:24
● 2020-03-03 16:54:48
● 2026-06-10 04:53:22

●NSns1033.ui-dns.org2020-03-03 → 2026-06-10 · 3 obs

○ 2017-01-29 16:41:24
● 2020-03-03 16:54:48
● 2026-06-10 04:53:22

○NSns7.schlund.de2015-06-24 → 2017-01-29 · 4 obs

● 2015-06-24 00:11:58
● 2017-01-29 16:41:24
○ 2020-03-03 16:54:48
○ 2026-06-10 04:53:22

○NSns8.schlund.de2015-06-24 → 2017-01-29 · 4 obs

● 2015-06-24 00:11:58
● 2017-01-29 16:41:24
○ 2020-03-03 16:54:48
○ 2026-06-10 04:53:22

●MXmx00.ionos.de2026-03-26 → 2026-06-10 · 3 obs

○ 2020-03-03 16:54:48
● 2026-03-26 06:11:00
● 2026-06-10 04:53:22

○MXmx00.schlund.de2015-06-24 → 2020-03-03 · 4 obs

● 2015-06-24 00:11:58
● 2020-03-03 16:54:48
○ 2026-03-26 06:11:00
○ 2026-06-10 04:53:22

●MXmx01.ionos.de2026-03-26 → 2026-06-10 · 3 obs

○ 2020-03-03 16:54:48
● 2026-03-26 06:11:00
● 2026-06-10 04:53:22

○MXmx01.schlund.de2015-06-24 → 2020-03-03 · 4 obs

● 2015-06-24 00:11:58
● 2020-03-03 16:54:48
○ 2026-03-26 06:11:00
○ 2026-06-10 04:53:22

●A217.160.0.1522026-03-26 → 2026-06-10 · 3 obs

○ 2020-03-03 16:54:48
● 2026-03-26 06:11:00
● 2026-06-10 04:53:22

○A217.160.231.1442016-04-19 → 2020-03-03 · 5 obs

○ 2016-01-18 23:18:46
● 2016-04-19 07:59:18
● 2020-03-03 16:54:48
○ 2026-03-26 06:11:00
○ 2026-06-10 04:53:22

○A82.165.92.92015-06-24 → 2016-01-18 · 4 obs

● 2015-06-24 00:11:58
● 2016-01-18 23:18:46
○ 2016-04-19 07:59:18
○ 2026-06-10 04:53:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net...	-
dbcourse.com	ns1033.ui-dns.de, ns1033.ui-dns.biz, ns1033.ui-dns.org, ns1033.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.80.33

NS records: ns1033.ui-dns.de, ns1033.ui-dns.biz, ns1033.ui-dns.org, ns1033.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dbcourse.com (unsigned zone)

⏱️ Timing

Total: 523ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.152`
NS	4	`ns1033.ui-dns.de, ns1033.ui-dns.biz...`
MX	2	`mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1033.ui-dns.de hostmaster.schlund.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1033.ui-dns.com, ns1033.ui-dns.com)

Analysis

IP Addresses

dbcourse.com directs to one IP number, which is 217.160.0.152.

Among the host names that share IP numbers with dbcourse.com are annarour.com, royalfleet.co.uk, dewald-leuchten-studio.de and two others.

Name Servers

dbcourse.com is served by 4 authoritative name servers: ns1033.ui-dns.biz, ns1033.ui-dns.com, ns1033.ui-dns.de and ns1033.ui-dns.org.

There is at least partial name server overlap between dbcourse.com and other domains — saveyourpearls.com, cataldus3d.co.uk, moneyplaya.com and two more among them.

These name servers are routinely co-deployed with the name servers ns1080.ui-dns.biz, ns1094.ui-dns.org, ns1017.ui-dns.com and two others.

All four hostnames — ns1033.ui-dns.biz, ns1033.ui-dns.com, ns1033.ui-dns.de and ns1033.ui-dns.org — resolve to two IP numbers apiece: ns1033.ui-dns.biz to 217.160.81.33 and 2001:8d8:fe:53:0:d9a0:5121:100; ns1033.ui-dns.com to 217.160.82.33 and 2001:8d8:fe:53:0:d9a0:5221:100; ns1033.ui-dns.de to 217.160.80.33 and 2001:8d8:fe:53:0:d9a0:5021:100; ns1033.ui-dns.org to 217.160.83.33 and 2001:8d8:fe:53:0:d9a0:5321:100.

Mail Servers

The MX records for dbcourse.com point to two mail servers: mx00.ionos.de and mx01.ionos.de.

dbcourse.com has the same mail server arrangement as a number of other domains, for example die-zehn-gebote.info, coating-forum.de, kalameili.de and two more.

mx00.ionos.de → 212.227.15.41 and mx01.ionos.de → 217.72.192.67: one IP number per host name.