fiberby.net - robtex.com
fiberby.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | authns1.fiberby.net ⭐ | ||||||
| A | 2a03:5440:0:102::53🇩🇰 FIBERBY2a03:5440::/29 Fiberby IPv6 | ||||||
| PTR | authns1.fiberby.net | ||||||
| A | 193.104.135.46🇩🇰 FIBERBY193.104.135.0/24 Fiberby | ||||||
| PTR | authns1.fiberby.net | ||||||
| NS | authns2.fiberby.net | ||||||
| A | 2a03:5440:0:202::53🇩🇰 FIBERBY2a03:5440::/29 Fiberby IPv6 | ||||||
| PTR | authns2.fiberby.net | ||||||
| A | 193.104.135.50🇩🇰 FIBERBY193.104.135.0/24 Fiberby | ||||||
| PTR | authns2.fiberby.net | ||||||
| NS | authns3.fiberby.net | ||||||
| A | 2a03:5440:0:302::53🇩🇰 FIBERBY2a03:5440::/29 Fiberby IPv6 | ||||||
| PTR | authns3.fiberby.net | ||||||
| A | 193.104.135.54🇩🇰 FIBERBY193.104.135.0/24 Fiberby | ||||||
| PTR | authns3.fiberby.net | ||||||
| NS | authns4.fiberby.net | ||||||
| A | 2001:1af8:4700:a134:23::53🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb | ||||||
| PTR | authns4.fiberby.net | ||||||
| A | 5.79.113.128🇳🇱 LEASEWEB-NL-AMS-015.79.64.0/18 LEASEWEB | ||||||
| PTR | authns4.fiberby.net | ||||||
| MX | mail1.fiberby.net ⭐ | ||||||
| A | 193.104.135.124🇩🇰 FIBERBY193.104.135.0/24 Fiberby | ||||||
| PTR | mail1.fiberby.net | ||||||
| TXT | google-site-verification=CNHgHdNQGUo60nJSC915QwweUJGZIDcCyFi-u312HJY | ||||||
| TXT | v=spf1 include:spf.fiberby.net -all | ||||||
| SOA | authns1.fiberby.nethostmaster@fiberby.net 2026-03-17 #0 | ||||||
net
| 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=1774660707 | ||||||
Subdomains
tgctr1.fiberby.net |
anycast-ns.fiberby.net |
web1.fiberby.net |
authns3.fiberby.net |
speed1.fiberby.net |
mail1.fiberby.net |
web2.fiberby.net |
mail2.fiberby.net |
vgcmr1.fiberby.net |
authns2.fiberby.net |
ip4.fiberby.net |
inxcr1.fiberby.net |
authns4.fiberby.net |
authns1.fiberby.net |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSauthns1.fiberby.dk2015-08-06 → 2018-12-13 · 4 obs
● 2018-12-13 09:34:00
○ 2026-02-23 00:12:18
○ 2026-03-28 01:22:34
●NSauthns1.fiberby.net2026-02-23 → 2026-03-28 · 3 obs
● 2026-02-23 00:12:18
● 2026-03-28 01:22:34
○NSauthns2.fiberby.dk2015-08-06 → 2018-12-13 · 4 obs
● 2018-12-13 09:34:00
○ 2026-02-23 00:12:18
○ 2026-03-28 01:22:34
●NSauthns2.fiberby.net2026-02-23 → 2026-03-28 · 3 obs
● 2026-02-23 00:12:18
● 2026-03-28 01:22:34
○NSauthns3.fiberby.dk2015-08-06 → 2018-12-13 · 4 obs
● 2018-12-13 09:34:00
○ 2026-02-23 00:12:18
○ 2026-03-28 01:22:34
●NSauthns3.fiberby.net2026-02-23 → 2026-03-28 · 3 obs
● 2026-02-23 00:12:18
● 2026-03-28 01:22:34
●NSauthns4.fiberby.net2026-02-23 → 2026-03-28 · 3 obs
● 2026-02-23 00:12:18
● 2026-03-28 01:22:34
○MXmail.fiberby.net2015-08-06 → 2017-01-01 · 4 obs
● 2017-01-01 06:06:24
○ 2018-12-13 09:34:00
○ 2026-03-28 01:22:34
●MXmail1.fiberby.net2018-12-13 → 2026-03-28 · 3 obs
● 2018-12-13 09:34:00
● 2026-03-28 01:22:34
○A193.104.135.2072015-08-06 → 2015-08-06 · 3 obs
○ 2015-11-24 03:46:18
○ 2026-03-28 01:22:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | g.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net... | - |
| fiberby.net | authns1.fiberby.net, authns2.fiberby.net, authns3.fiberby.net, authns4.fiberby.net | 8 records |
✅ Authoritative Response
Server:193.104.135.46
NS records: authns1.fiberby.net, authns2.fiberby.net, authns3.fiberby.net, authns4.fiberby.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fiberby.net (unsigned zone)
⏱️ Timing
Total: 289ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | authns4.fiberby.net, authns2.fiberby.net... |
| MX | 1 | mail1.fiberby.net (pri: 10) |
| TXT | 2 | google-site-verification=CNHgHdNQGUo60nJ, v=spf1 include:spf.fiberby.net -all |
| SOA | 1 | authns1.fiberby.net hostmaster.fiberby.n |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (authns1.fiberby.net, authns1.fiberby.net, authns2.fiberby.net...)
Analysis
Hierarchy
fiberby.net is the parent of tgctr1.fiberby.net, anycast-ns.fiberby.net, web1.fiberby.net, authns3.fiberby.net, speed1.fiberby.net and a few other host names.
Name Servers
fiberby.net is delegated to four name servers: authns1.fiberby.net, authns2.fiberby.net, authns3.fiberby.net and authns4.fiberby.net.
fiberby.net at least partially shares name servers with other domains, for instance 239.23.89.in-addr.arpa, 0.4.4.5.3.0.a.2.ip6.arpa, 0.0.0.0.0.0.0.0.0.4.4.5.3.0.a.2.ip6.arpa, 246.23.89.in-addr.arpa and fiberby.dk.
These name servers are commonly used with ns1.fiberby.dk, ns2.fiberby.dk and ns3.fiberby.dk.
Host names with two IP numbers:
authns1.fiberby.net points to 2a03:5440:0:102::53 and 193.104.135.46; authns2.fiberby.net points to 2a03:5440:0:202::53 and 193.104.135.50; authns3.fiberby.net points to 2a03:5440:0:302::53 and 193.104.135.54; authns4.fiberby.net points to 2001:1af8:4700:a134:23::53 and 5.79.113.128.
Mail Servers
fiberby.net is handled by a single mail server, mail1.fiberby.net.
mail1.fiberby.net resolves to IP 193.104.135.124.