us1a.com - robtex.com
us1a.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | docks20.rzone.de ⚠️ Not in zone NS records | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:20🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks20.rzone.de | ||||||
| A | 217.160.80.147🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks20.rzone.de | ||||||
| NS | shades12.rzone.de ⚠️ Not in zone NS records | ||||||
| A | 2607:f1c0:fe:53:185:132:34:139🇺🇸 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 | shades12.rzone.de | ||||||
| A | 185.132.34.139🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades12.rzone.de | ||||||
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.netnstld@verisign-grs.com serial=1786545774 | ||||||
Same first word
us1a.com |
Similar names
DNS History
10 records (2 active, 8 former)
●NSdocks20.rzone.de2026-07-12 → 2026-08-12 · 3 obs
● 2026-07-12 01:01:10
● 2026-08-12 15:11:54
○NSns27.domaincontrol.com2015-06-06 → 2017-05-24 · 5 obs
● 2015-06-06 05:40:36
● 2017-05-24 08:13:36
○ 2026-07-12 01:01:10
○ 2026-08-12 15:11:54
○NSns28.domaincontrol.com2016-01-29 → 2017-05-24 · 5 obs
● 2016-01-29 12:33:58
● 2017-05-24 08:13:36
○ 2026-07-12 01:01:10
○ 2026-08-12 15:11:54
○NSnsc.ntx.net2007-10-27 → 2007-10-27 · 3 obs
○ 2015-06-06 05:40:36
○ 2026-08-12 15:11:54
○NSnsx.ntx.net2007-10-27 → 2007-10-27 · 3 obs
○ 2015-06-06 05:40:36
○ 2026-08-12 15:11:54
●NSshades12.rzone.de2026-07-12 → 2026-08-12 · 3 obs
● 2026-07-12 01:01:10
● 2026-08-12 15:11:54
○MXmailstore1.secureserver.net2015-06-06 → 2017-05-24 · 5 obs
● 2015-06-06 05:40:36
● 2017-05-24 08:13:36
○ 2026-07-12 01:01:10
○ 2026-08-12 15:11:54
○MXsmtp.secureserver.net2015-06-06 → 2017-05-24 · 5 obs
● 2015-06-06 05:40:36
● 2017-05-24 08:13:36
○ 2026-07-12 01:01:10
○ 2026-08-12 15:11:54
○A176.9.36.352015-06-06 → 2017-05-24 · 5 obs
● 2015-06-06 05:40:36
● 2017-05-24 08:13:36
○ 2026-07-12 01:01:10
○ 2026-08-12 15:11:54
○A209.1.144.1922007-10-27 → 2007-10-27 · 3 obs
○ 2015-06-06 05:40:36
○ 2026-08-12 15:11:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| us1a.com | shades12.rzone.de, docks20.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.139
NS records: shades12.rzone.de, docks20.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for us1a.com (unsigned zone)
⏱️ Timing
Total: 346ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
us1a.com uses two name servers for its delegation: docks20.rzone.de and shades12.rzone.de.
us1a.com has the same name server delegation as a number of other domains, such as autographshop.de, klindwort.biz, ondedi.com and two more.
The name servers of us1a.com overlap at least partially with those of other domains — among them lipho.eu, chairable.de, austinat.com and two more.
These name servers commonly appear in delegations together with shades04.rzone.de, shades06.rzone.de, docks08.rzone.de and 7 other.
The two host names docks20.rzone.de and shades12.rzone.de each have a pair of IP addresses: docks20.rzone.de has 217.160.80.147 and 2001:8d8:fe:53:5747:2a74:d:20, and shades12.rzone.de has 185.132.34.139 and 2607:f1c0:fe:53:185:132:34:139.