reference.bio - dns.ninja
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=1781544553 | ||||||
Subdomains
ns1.reference.bio |
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSns.udag.de2026-03-15 → 2026-06-15 · 3 obs
● 2026-03-15 08:31:50
● 2026-06-15 18:31:28
●NSns.udag.net2026-03-15 → 2026-06-15 · 3 obs
● 2026-03-15 08:31:50
● 2026-06-15 18:31:28
●NSns.udag.org2026-03-15 → 2026-06-15 · 3 obs
● 2026-03-15 08:31:50
● 2026-06-15 18:31:28
○NSns1.reference.bio2017-09-25 → 2017-09-25 · 3 obs
○ 2026-03-15 08:31:50
○ 2026-06-15 18:31:28
○NSns1a.dodns.net2017-09-25 → 2017-09-25 · 3 obs
○ 2026-03-15 08:31:50
○ 2026-06-15 18:31:28
○NSns2a.dodns.net2017-09-25 → 2017-09-25 · 3 obs
○ 2026-03-15 08:31:50
○ 2026-06-15 18:31:28
○A89.31.143.202017-09-25 → 2017-09-25 · 3 obs
○ 2026-03-15 08:31:50
○ 2026-06-15 18:31:28
●A89.31.143.902026-03-15 → 2026-06-15 · 3 obs
● 2026-03-15 08:31:50
● 2026-06-15 18:31:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| bio | a0.nic.bio, a2.nic.bio, b0.nic.bio, c0.nic.bio | 8 records |
| reference.bio | ns.udag.net, ns.udag.org, ns.udag.de | - |
✅ Authoritative Response
Server:185.132.33.253
NS records: ns.udag.net, ns.udag.org, ns.udag.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for reference.bio (unsigned zone)
⏱️ Timing
Total: 177ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.31.143.90 |
| NS | 3 | ns.udag.net, ns.udag.de... |
| 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 (a0.nic.bio, a0.nic.bio, a2.nic.bio...)
Analysis
Hierarchy
The domain ns1.reference.bio falls under the parent reference.bio.
IP Addresses
reference.bio directs to one IP number, which is 89.31.143.90.
Among the host names that share IP numbers with reference.bio are mercedesbuscamper.com, aglajabrix.de, flugzeugfliegen.com and two others.
Name Servers
Three name servers are authoritative for reference.bio: ns.udag.de, ns.udag.net and ns.udag.org.
At least some of reference.bio's name servers are shared with other domains, for example ambrus.eu, sirl-gruppe.de, skiamade.ru and two more.
ns.udag.de resolves to 217.160.80.253 and 2001:8d8:fe:53:217:160:80:253. ns.udag.net resolves to 185.132.33.253 and 2607:f1c0:fe:53:185:132:33:253. ns.udag.org resolves to 185.132.34.253 and 2607:f1c0:fe:53:185:132:34:253. All three hostnames point to two IP numbers each.