rbgrading.com - dns.ninja

`rbgrading.com`

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	217.160.0.139^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns-de.1and1-dns.de` ⭐
		A	2001:8d8:fe:53:0:d9a0:5001:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-de.1and1-dns.de`
		A	217.160.80.1^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-de.1and1-dns.de`
NS	`ns-de.1and1-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5101:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-de.1and1-dns.biz`
		A	217.160.81.1^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-de.1and1-dns.biz`
NS	`ns-de.1and1-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5201:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-de.1and1-dns.com`
		A	217.160.82.1^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-de.1and1-dns.com`
NS	`ns-de.1and1-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5301:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-de.1and1-dns.org`
		A	217.160.83.1^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-de.1and1-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	`ns-de.1and1-dns.de`hostmaster@kundenserver.de 2016-11-09 #6

`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=1781125223

Same first word

rbgrading.com

DNS History

12 records (8 active, 4 former)

●NSns-de.1and1-dns.biz2017-03-28 → 2026-06-10 · 2 obs

● 2017-03-28 22:27:10
● 2026-06-10 21:16:32

●NSns-de.1and1-dns.com2017-03-28 → 2026-06-10 · 2 obs

● 2017-03-28 22:27:10
● 2026-06-10 21:16:32

●NSns-de.1and1-dns.de2017-03-28 → 2026-06-10 · 2 obs

● 2017-03-28 22:27:10
● 2026-06-10 21:16:32

●NSns-de.1and1-dns.org2017-03-28 → 2026-06-10 · 2 obs

● 2017-03-28 22:27:10
● 2026-06-10 21:16:32

●MXmx00.ionos.de2026-02-22 → 2026-06-10 · 3 obs

○ 2017-03-28 22:27:10
● 2026-02-22 01:15:58
● 2026-06-10 21:16:32

○MXmx00.kundenserver.de2017-03-28 → 2017-03-28 · 3 obs

● 2017-03-28 22:27:10
○ 2026-02-22 01:15:58
○ 2026-06-10 21:16:32

●MXmx01.ionos.de2026-02-22 → 2026-06-10 · 3 obs

○ 2017-03-28 22:27:10
● 2026-02-22 01:15:58
● 2026-06-10 21:16:32

○MXmx01.kundenserver.de2017-03-28 → 2017-03-28 · 3 obs

● 2017-03-28 22:27:10
○ 2026-02-22 01:15:58
○ 2026-06-10 21:16:32

●A2001:8d8:100f:f000::2002026-06-10 → 2026-06-10 · 3 obs

○ 2026-02-22 01:15:58
● 2026-06-10 21:16:30
● 2026-06-10 21:16:32

○A2001:8d8:100f:f000::20b2017-03-28 → 2026-02-22 · 4 obs

● 2017-03-28 22:27:10
● 2026-02-22 01:15:58
○ 2026-06-10 21:16:30
○ 2026-06-10 21:16:32

●A217.160.0.1392026-06-10 → 2026-06-10 · 3 obs

○ 2026-02-22 01:15:58
● 2026-06-10 21:16:30
● 2026-06-10 21:16:32

○A217.160.0.1722017-03-28 → 2026-02-22 · 4 obs

● 2017-03-28 22:27:10
● 2026-02-22 01:15:58
○ 2026-06-10 21:16:30
○ 2026-06-10 21:16:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rbgrading.com	ns-de.1and1-dns.de, ns-de.1and1-dns.biz, ns-de.1and1-dns.com, ns-de.1and1-dns.org	2 records

✅ Authoritative Response

Server:217.160.80.1

NS records: ns-de.1and1-dns.de, ns-de.1and1-dns.biz, ns-de.1and1-dns.com, ns-de.1and1-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rbgrading.com (unsigned zone)

⏱️ Timing

Total: 750ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.139`
AAAA	1	`2001:8d8:100f:f000::200`
NS	4	`ns-de.1and1-dns.com, ns-de.1and1-dns.org...`
MX	2	`mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns-de.1and1-dns.de hostmaster.kundenserv`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-de.1and1-dns.com, ns-de.1and1-dns.com)

Analysis

IP Addresses

rbgrading.com points to two IP numbers: 217.160.0.139 and 2001:8d8:100f:f000::200.

bauer-michael.com, otherland.tv, www.angelbedarf-roloff.de plus two other host names have IP numbers in common with rbgrading.com.

Name Servers

rbgrading.com is delegated to four name servers, ns-de.1and1-dns.biz, ns-de.1and1-dns.com, ns-de.1and1-dns.de and ns-de.1and1-dns.org.

rbgrading.com has at least partial name server overlap with other domains, such as physio.institute, wlan.academy, zulassung.jetzt and two others.

ns-de.1and1-dns.biz, ns-de.1and1-dns.com, ns-de.1and1-dns.de and ns-de.1and1-dns.org all point to exactly two IP numbers each: ns-de.1and1-dns.biz → 217.160.81.1 and 2001:8d8:fe:53:0:d9a0:5101:100; ns-de.1and1-dns.com → 217.160.82.1 and 2001:8d8:fe:53:0:d9a0:5201:100; ns-de.1and1-dns.de → 217.160.80.1 and 2001:8d8:fe:53:0:d9a0:5001:100; ns-de.1and1-dns.org → 217.160.83.1 and 2001:8d8:fe:53:0:d9a0:5301:100.

Mail Servers

rbgrading.com uses two mail servers, mx00.ionos.de and mx01.ionos.de.

The mail server setup of rbgrading.com matches that of other domains such as emling.de, vogel-frank.de, emmf.de and two others.

mx00.ionos.de directs to 212.227.15.41 and mx01.ionos.de directs to 217.72.192.67; each host name points to exactly one IP number.