blfirst.com - robtex.com
blfirst.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 | 217.160.0.90🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3 | ||||||
| NS | docks08.rzone.de ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:8🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks08.rzone.de | ||||||
| A | 217.160.80.135🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks08.rzone.de | ||||||
| NS | shades06.rzone.de | ||||||
| A | 2607:f1c0:fe:53:185:132:34:133🇺🇸 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 | shades06.rzone.de | ||||||
| A | 185.132.34.133🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades06.rzone.de | ||||||
| MX | smtpin.rzone.de ⭐ | ||||||
| A | 2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| A | 81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| SOA | docks08.rzone.dehostmaster@strato-rz.de 2020-06-24 #15 | ||||||
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=1774644197 | ||||||
Same first word
blfirst.com |
Similar names
DNS History
7 records (5 active, 2 former)
●A2001:8d8:100f:f000::2002026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 21:00:44
●A217.160.0.902026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 21:00:44
○A2a01:238:20a:202:1082::2017-12-23 → 2017-12-23 · 2 obs
○ 2026-03-27 21:00:44
○A81.169.145.822017-12-23 → 2017-12-23 · 2 obs
○ 2026-03-27 21:00:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| blfirst.com | shades06.rzone.de, docks08.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.133
NS records: shades06.rzone.de, docks08.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for blfirst.com (unsigned zone)
⏱️ Timing
Total: 933ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.0.90 |
| AAAA | 1 | 2001:8d8:100f:f000::200 |
| NS | 2 | docks08.rzone.de, shades06.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | docks08.rzone.de hostmaster.strato-rz.de |
Analysis
IP Addresses
blfirst.com has two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.90.
Other host names, for instance axellecourtage.fr, efg-wittenberge.de, radiehl.de, www.alva-contax-gmbh.org and duesseldoc.de share IP numbers with blfirst.com.
Name Servers
blfirst.com's delegation uses two name servers: docks08.rzone.de and shades06.rzone.de.
blfirst.com uses the same name server setup as other domains, such as stardust-lyrics.de, foede.com, wilmsen-solingen.de, podologie-in-bochum.com and djbauer.com.
blfirst.com at least partially shares name servers with other domains, including froggtoggs.at, erbatur.com, taurentor.com, 0711kids.com and eurad.de.
These name servers are commonly used with shades01.rzone.de, shades02.rzone.de, shades13.rzone.de, docks04.rzone.de, docks15.rzone.de, shades08.rzone.de, docks05.rzone.de, docks16.rzone.de, shades12.rzone.de and shades07.rzone.de.
Host names with two IPs:
docks08.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:8 and 217.160.80.135
shades06.rzone.de points to 2607:f1c0:fe:53:185:132:34:133 and 185.132.34.133
Mail Servers
A single mail server handles blfirst.com, smtpin.rzone.de.
blfirst.com shares the same mail server setup as other domains, for instance meidabank.com, hjst.info, morango.eslebt.de, mail.roemer-apotheke-sb.de and fitschen-it.de.
The host name smtpin.rzone.de resolves to two IP numbers: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.