rtb2.de - dns.ninja
rtb2.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.31.143.90🇩🇪 UDAG89.31.143.0/24 | ||||||
| NS | ns.udag.de ⭐ | ||||||
| A | 2001:8d8:fe:53:217:160:80:253🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns.udag.de | ||||||
| A | 217.160.80.253🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | ns.udag.de | ||||||
| NS | ns.udag.net | ||||||
| A | 2607:f1c0:fe:53:185:132:33:253🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns.udag.net | ||||||
| A | 185.132.33.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns.udag.net | ||||||
| NS | ns.udag.org | ||||||
| A | 2607:f1c0:fe:53:185:132:34:253🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns.udag.org | ||||||
| A | 185.132.34.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns.udag.org | ||||||
| MX | mx00.udag.de ⭐ | ||||||
| A | 62.146.106.39🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH | ||||||
| PTR | mx00.udag.de | ||||||
| MX | mx01.udag.de(20) | ||||||
| A | 62.146.106.40🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH | ||||||
| PTR | mx01.udag.de | ||||||
| TXT | v=spf1 include:_smtp.udag.de ~all | ||||||
| SOA | ns.udag.dehostmaster@united-domains.de 2023-08-30 #52 | ||||||
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.dedns-operations@denic.de serial=1783447975 | ||||||
Subdomains
mail.rtb2.de |
Same first word
Similar names
rb2t.bet |
b2tr.net |
brt2.com |
br2t.com |
brt2.net |
b2tr.com |
trb2.com |
r2bt.com |
b2tr.de |
bt2r.com |
2btr.com |
rt2b.com |
br2t.com.br |
btr2.com |
2rtb.com |
tbr2.com |
rt2b.ru |
DNS History
10 records (6 active, 4 former)
●NSns.udag.de2026-05-31 → 2026-07-07 · 3 obs
● 2026-05-31 17:45:38
● 2026-07-07 18:33:36
●NSns.udag.net2026-05-31 → 2026-07-07 · 3 obs
● 2026-05-31 17:45:38
● 2026-07-07 18:33:36
●NSns.udag.org2026-05-31 → 2026-07-07 · 3 obs
● 2026-05-31 17:45:38
● 2026-07-07 18:33:36
○NSw1.dnsservice.net2015-08-10 → 2018-06-15 · 4 obs
● 2018-06-15 02:28:44
○ 2026-05-31 17:45:38
○ 2026-07-07 18:33:36
○NSw2.dnsservice.net2015-08-10 → 2018-06-15 · 4 obs
● 2018-06-15 02:28:44
○ 2026-05-31 17:45:38
○ 2026-07-07 18:33:36
○MXmail.rtb2.de2015-08-10 → 2018-06-15 · 4 obs
● 2018-06-15 02:28:44
○ 2026-05-31 17:45:38
○ 2026-07-07 18:33:36
●MXmx00.udag.de2026-05-31 → 2026-07-07 · 3 obs
● 2026-05-31 17:45:38
● 2026-07-07 18:33:36
●MXmx01.udag.de2026-05-31 → 2026-07-07 · 3 obs
● 2026-05-31 17:45:38
● 2026-07-07 18:33:36
○A212.172.221.112015-08-10 → 2018-06-15 · 4 obs
● 2018-06-15 02:28:44
○ 2026-05-31 17:45:38
○ 2026-07-07 18:33:36
●A89.31.143.902026-05-31 → 2026-07-07 · 3 obs
● 2026-05-31 17:45:38
● 2026-07-07 18:33:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| rtb2.de | ns.udag.org, ns.udag.net, ns.udag.de | 2 records |
✅ Authoritative Response
Server:185.132.34.253
NS records: ns.udag.org, ns.udag.net, ns.udag.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtb2.de (unsigned zone)
⏱️ Timing
Total: 650ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.31.143.90 |
| NS | 3 | ns.udag.de, ns.udag.net... |
| MX | 2 | mx00.udag.de (pri: 10), mx01.udag.de (pri: 20) |
| TXT | 1 | v=spf1 include:_smtp.udag.de ~all |
| SOA | 1 | ns.udag.de hostmaster.united-domains.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.udag.de, ns.udag.de)
Analysis
Hierarchy
mail.rtb2.de is a subdomain of rtb2.de.
IP Addresses
rtb2.de directs to one IP number, which is 89.31.143.90.
Among the host names that share IP numbers with rtb2.de are gebrauchteteile-bmw.de, weingut-kries.de, nana-and-friends.de and two others.
Name Servers
rtb2.de is served by three name servers: ns.udag.de, ns.udag.net and ns.udag.org.
The name servers of rtb2.de overlap at least partially with those of other domains — among them systeam.gmbh, peepshow.cash, jueliger.net and two more.
The hostnames ns.udag.de, ns.udag.net and ns.udag.org each direct to two IP addresses — ns.udag.de to 217.160.80.253 and 2001:8d8:fe:53:217:160:80:253, ns.udag.net to 185.132.33.253 and 2607:f1c0:fe:53:185:132:33:253, and ns.udag.org to 185.132.34.253 and 2607:f1c0:fe:53:185:132:34:253.
Mail Servers
The MX records for rtb2.de point to two mail servers: mx00.udag.de and mx01.udag.de.
rtb2.de has the same mail server arrangement as a number of other domains, for example manhart.directory, motorhomeconversions.org, kv-shop.de and two more.
rtb2.de has mail servers in common with other domains — pressmatrix.it being one example.
Both mx00.udag.de and mx01.udag.de have a single IP address each — mx00.udag.de resolves to 62.146.106.39 while mx01.udag.de resolves to 62.146.106.40.