reference.bio - robtex.com
reference.bio
| 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 | ||||||
| TXT | v=spf1 include:_smtp.udag.de ~all | ||||||
| SOA | ns.udag.dehostmaster@united-domains.de 2025-12-09 #52 | ||||||
bio
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.bio ⭐ | ||||||
| NS | a2.nic.bio | ||||||
| NS | b0.nic.bio | ||||||
| NS | c0.nic.bio | ||||||
| SOA | a0.nic.biohostmaster@donuts.email serial=1775930898 | ||||||
Subdomains
ns1.reference.bio |
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSns.udag.de2026-03-15 → 2026-04-11 · 3 obs
● 2026-03-15 08:31:50
● 2026-04-11 18:42:02
●NSns.udag.net2026-03-15 → 2026-04-11 · 3 obs
● 2026-03-15 08:31:50
● 2026-04-11 18:42:02
●NSns.udag.org2026-03-15 → 2026-04-11 · 3 obs
● 2026-03-15 08:31:50
● 2026-04-11 18:42:02
○NSns1.reference.bio2017-09-25 → 2017-09-25 · 3 obs
○ 2026-03-15 08:31:50
○ 2026-04-11 18:42:02
○NSns1a.dodns.net2017-09-25 → 2017-09-25 · 3 obs
○ 2026-03-15 08:31:50
○ 2026-04-11 18:42:02
○NSns2a.dodns.net2017-09-25 → 2017-09-25 · 3 obs
○ 2026-03-15 08:31:50
○ 2026-04-11 18:42:02
○A89.31.143.202017-09-25 → 2017-09-25 · 3 obs
○ 2026-03-15 08:31:50
○ 2026-04-11 18:42:02
●A89.31.143.902026-03-15 → 2026-04-11 · 3 obs
● 2026-03-15 08:31:50
● 2026-04-11 18:42:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| bio | c0.nic.bio, a2.nic.bio, b0.nic.bio, a0.nic.bio | 8 records |
| reference.bio | ns.udag.de, ns.udag.org, ns.udag.net | - |
✅ Authoritative Response
Server:217.160.80.253
NS records: ns.udag.de, ns.udag.org, ns.udag.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for reference.bio (unsigned zone)
⏱️ Timing
Total: 443ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.31.143.90 |
| NS | 3 | ns.udag.net, ns.udag.org... |
| TXT | 1 | v=spf1 include:_smtp.udag.de ~all |
| SOA | 1 | ns.udag.de hostmaster.united-domains.de |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (c0.nic.bio, c0.nic.bio, a2.nic.bio...)
Analysis
Hierarchy
reference.bio is the parent of ns1.reference.bio.
IP Addresses
reference.bio resolves to one IP number: 89.31.143.90.
other host names including mercedesbuscamper.com, aglajabrix.de, flugzeugfliegen.com, mail.operative-fa.com and princetom.de share IP numbers with reference.bio.
Name Servers
reference.bio is delegated to three name servers ns.udag.de, ns.udag.net and ns.udag.org.
reference.bio at least partially shares name servers with other domains, for instance ambrus.eu, sirl-gruppe.de, skiamade.ru, ultragelb.com and lisa-reisen.de.
Host names with two IP numbers:
ns.udag.de points to: 2001:8d8:fe:53:217:160:80:253 and 217.160.80.253.
ns.udag.net points to: 2607:f1c0:fe:53:185:132:33:253 and 185.132.33.253.
ns.udag.org points to: 2607:f1c0:fe:53:185:132:34:253 and 185.132.34.253.