b2b4u.org - robtex.com
b2b4u.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.221.108.182🇩🇪 CLARANET-AS213.221.64.0/18 CLARANET-DE 8196:1 8196:100 | ||||||
| PTR | leonardo.webstrategy.de | ||||||
| NS | dns3.webstrategy.de ⭐ | ||||||
| A | 2001:67c:1bc::13🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast | ||||||
| PTR | pns01.kyberio-dns.com | ||||||
| A | 192.174.68.13🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net | ||||||
| PTR | pns01.kyberio-dns.com | ||||||
| NS | dns4.webstrategy.de | ||||||
| A | 2001:67c:10b8::13🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net | ||||||
| PTR | pns02.kyberio-dns.de | ||||||
| A | 176.97.158.13🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net | ||||||
| PTR | pns02.kyberio-dns.de | ||||||
| MX | mail.b2b4u.org ⭐ | ||||||
| A | 213.221.108.182🇩🇪 CLARANET-AS213.221.64.0/18 CLARANET-DE 8196:1 8196:100 | ||||||
| PTR | leonardo.webstrategy.de | ||||||
| SOA | dns3.webstrategy.dehostmaster@webstrategy.de 2024-12-03 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774776075 | ||||||
Subdomains
mail.b2b4u.org |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns3.webstrategy.de2015-06-07 → 2026-03-29 · 2 obs
● 2026-03-29 09:53:08
●NSdns4.webstrategy.de2015-06-07 → 2026-03-29 · 2 obs
● 2026-03-29 09:53:08
●MXmail.b2b4u.org2015-06-07 → 2026-03-29 · 2 obs
● 2026-03-29 09:53:08
●A213.221.108.1822015-06-07 → 2026-03-29 · 2 obs
● 2026-03-29 09:53:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| b2b4u.org | dns4.webstrategy.de, dns3.webstrategy.de | - |
✅ Authoritative Response
Server:192.174.68.13
NS records: dns4.webstrategy.de, dns3.webstrategy.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b2b4u.org (unsigned zone)
⏱️ Timing
Total: 416ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.221.108.182 |
| NS | 2 | dns3.webstrategy.de, dns4.webstrategy.de |
| MX | 1 | mail.b2b4u.org (pri: 10) |
| SOA | 1 | dns3.webstrategy.de hostmaster.webstrate |
Analysis
Hierarchy
mail.b2b4u.org is a child of b2b4u.org.
IP Addresses
b2b4u.org resolves to one IP number: 213.221.108.182.
Other host names, for instance mail.logbuchkreuzfahrt.de, mail.methodso(0x666170)pliedalgebra.com, mail.ilittleblackbook.com, algebraic-methods.com and besseres-hoeren.de share IP numbers with b2b4u.org.
Name Servers
b2b4u.org's delegation uses two name servers: dns3.webstrategy.de and dns4.webstrategy.de.
b2b4u.org uses the same name server setup as other domains, such as irkt.de, plastischechirurgie-badsoden.de, kliniken-mtk.de, stefan-musch.de and privatklinik-main-taunus.de.
b2b4u.org at least partially shares name servers with other domains, including trailxperience.com, flirt-cafe.net, hnac.de, windelpate.de and artculture.de.
Host names with two IPs:
dns3.webstrategy.de points to 2001:67c:1bc::13 and 192.174.68.13
dns4.webstrategy.de points to 2001:67c:10b8::13 and 176.97.158.13
Mail Servers
A single mail server handles b2b4u.org, mail.b2b4u.org.
Host name mail.b2b4u.org resolves to a single IP: 213.221.108.182.