writebyte.com - robtex.com
writebyte.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 82.71.204.9🇬🇧 ZEN-AS82.71.0.0/16 Zen Internet Ltd | ||||||
| PTR | cp06.hosting.zen.net.uk | ||||||
| NS | ns0.zen.co.uk ⭐ | ||||||
| A | 2a02:8010:7:1::53🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd | ||||||
| PTR | ns0.zen.co.uk | ||||||
| A | 212.23.8.1🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd | ||||||
| PTR | ns0.zen.co.uk | ||||||
| NS | ns1.zen.co.uk | ||||||
| A | 2a02:8010:2:8::53🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd | ||||||
| PTR | ns1.zen.co.uk | ||||||
| A | 212.23.3.1🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd | ||||||
| PTR | ns1.zen.co.uk | ||||||
| MX | mail.writebyte.com ⭐ | ||||||
| A | 82.71.204.9🇬🇧 ZEN-AS82.71.0.0/16 Zen Internet Ltd | ||||||
| PTR | cp06.hosting.zen.net.uk | ||||||
| TXT | v=spf1 include:_cphspf.zen.co.uk include:_spf.zen.co.uk include:_spfcoremail.... | ||||||
| SOA | ns0.zen.co.ukdnsmaster@zen.co.uk 2025-09-22 #1 | ||||||
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=1787822675 | ||||||
Subdomains
mail.writebyte.com |
Same first word
Similar names
Previous names
Next names
DNS History
6 records (4 active, 2 former)
○NSunamuno.zen.co.uk2015-07-20 → 2017-06-22 · 4 obs
● 2017-06-22 07:56:48
○ 2026-02-16 20:52:56
○ 2026-08-27 09:52:06
●MXmail.writebyte.com2026-02-16 → 2026-08-27 · 3 obs
● 2026-02-16 20:52:56
● 2026-08-27 09:52:06
○MXmailcluster.zen.co.uk2015-07-20 → 2017-06-22 · 4 obs
● 2017-06-22 07:56:48
○ 2026-02-16 20:52:56
○ 2026-08-27 09:52:06
●A82.71.204.92015-07-20 → 2026-08-27 · 2 obs
● 2026-08-27 09:52:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| writebyte.com | ns0.zen.co.uk, ns1.zen.co.uk | - |
✅ Authoritative Response
Server:212.23.3.1
NS records: ns0.zen.co.uk, ns1.zen.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for writebyte.com (unsigned zone)
⏱️ Timing
Total: 560ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 82.71.204.9 |
| NS | 2 | ns1.zen.co.uk, ns0.zen.co.uk |
| MX | 1 | mail.writebyte.com (pri: 10) |
| TXT | 1 | v=spf1 include:_cphspf.zen.co.uk include |
| SOA | 1 | ns0.zen.co.uk dnsmaster.zen.co.uk |
Analysis
Hierarchy
mail.writebyte.com is a subdomain of writebyte.com.
IP Addresses
writebyte.com points to a single IP number: 82.71.204.9.
Additional host names — roydon.com, www.ruskinhomes.co.uk, bswltd.com and two others — share IP numbers with writebyte.com.
Name Servers
DNS delegation for writebyte.com points to two name servers: ns0.zen.co.uk and ns1.zen.co.uk.
writebyte.com shares its name server setup with other domains, including pcliberica.com, eastfieldrailpunk.co.uk, 243.155.217.in-addr.arpa and two others.
The name servers of writebyte.com overlap at least partially with those of other domains — among them optimalperformance.co.uk, combebank.co.uk, sloots.co.uk and two more.
These name servers commonly appear in combination with the name servers unamuno.zen.co.uk.
ns0.zen.co.uk directs to 212.23.8.1 and 2a02:8010:7:1::53. ns1.zen.co.uk directs to 212.23.3.1 and 2a02:8010:2:8::53. Each host name carries two IP addresses.
Mail Servers
writebyte.com has one mail server: mail.writebyte.com.
mail.writebyte.com has exactly one IP number: 82.71.204.9.