3fff.co.uk - robtex.com
3fff.co.uk
co.uk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.nic.uk ⭐ ⚠️ Not in parent delegation | ||||||
| NS | dns2.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | dns3.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | dns4.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsa.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsb.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsc.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsd.nic.uk ⚠️ Not in parent delegation | ||||||
| SOA | dns1.nic.ukhostmaster@nominet.org.uk serial=1775939599 | ||||||
rank #13909 in the tld
WOT: SAFE (74/100)
Subdomains
mailserver.3fff.co.uk |
Same first word
Similar names
DNS History
13 records (7 active, 6 former)
○NSns1.livedns.co.uk2015-08-11 → 2016-07-19 · 4 obs
● 2016-07-19 23:56:18
○ 2017-04-03 21:57:08
○ 2026-04-11 20:40:12
○NSns2.livedns.co.uk2015-08-11 → 2016-07-19 · 4 obs
● 2016-07-19 23:56:18
○ 2017-04-03 21:57:08
○ 2026-04-11 20:40:12
○NSns3.livedns.co.uk2015-08-11 → 2016-07-19 · 4 obs
● 2016-07-19 23:56:18
○ 2017-04-03 21:57:08
○ 2026-04-11 20:40:12
●NSns4.srv.host-it.co.uk2017-04-03 → 2026-04-11 · 3 obs
● 2017-04-03 21:57:08
● 2026-04-11 20:40:12
●NSns5.srv.host-it.com2017-04-03 → 2026-04-11 · 3 obs
● 2017-04-03 21:57:08
● 2026-04-11 20:40:12
●NSns6.srv.host-it.co.uk2017-04-03 → 2026-04-11 · 3 obs
● 2017-04-03 21:57:08
● 2026-04-11 20:40:12
●MXd206669.a.ess.uk.barracudanetworks.com2026-04-11 → 2026-04-11 · 3 obs
● 2026-04-11 20:40:10
● 2026-04-11 20:40:12
●MXd206669.b.ess.uk.barracudanetworks.com2026-04-11 → 2026-04-11 · 3 obs
● 2026-04-11 20:40:10
● 2026-04-11 20:40:12
○MXmail.3fff.co.uk2017-04-03 → 2017-04-03 · 4 obs
● 2017-04-03 21:57:08
○ 2026-04-11 20:40:10
○ 2026-04-11 20:40:12
○MXmailserver.3fff.co.uk2015-08-11 → 2016-07-19 · 4 obs
● 2016-07-19 23:56:18
○ 2017-04-03 21:57:08
○ 2026-04-11 20:40:12
●A2001:41d0:301::282026-04-11 → 2026-04-11 · 3 obs
● 2026-04-11 20:40:10
● 2026-04-11 20:40:12
●A51.91.236.1932026-04-11 → 2026-04-11 · 3 obs
● 2026-04-11 20:40:10
● 2026-04-11 20:40:12
○A83.170.124.52015-08-11 → 2017-04-03 · 4 obs
● 2017-04-03 21:57:08
○ 2026-04-11 20:40:10
○ 2026-04-11 20:40:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | dns3.nic.uk, dns1.nic.uk, nsb.nic.uk, nsd.nic.uk... | - |
| 3fff.co.uk | ns4.srv.host-it.co.uk, ns5.srv.host-it.com, ns6.srv.host-it.co.uk | - |
✅ Authoritative Response
Server:80.93.170.56
NS records: ns4.srv.host-it.co.uk, ns5.srv.host-it.com, ns6.srv.host-it.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 3fff.co.uk (unsigned zone)
⏱️ Timing
Total: 724ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.91.236.193 |
| AAAA | 1 | 2001:41d0:301::28 |
| NS | 3 | ns6.srv.host-it.co.uk, ns5.srv.host-it.com... |
| MX | 2 | d206669.b.ess.uk.barracudanetworks.com (, d206669.a.ess.uk.barracudanetworks.com ( |
| TXT | 3 | v=spf1 a mx include:spf.ess.uk.barracuda, google-site-verification=J-fSXszIQJt_ney... |
| SOA | 1 | ns6.srv.host-it.co.uk becky.abcmacintosh |
Analysis
Hierarchy
3fff.co.uk is the parent of mailserver.3fff.co.uk.
IP Addresses
3fff.co.uk resolves to two IP numbers: 2001:41d0:301::28 and 51.91.236.193.
other host names including sophrologie-lyon.com, koc.fr, residentiels.fr, postmaster.egtcsarl.com and berkut-group.com share IP numbers with 3fff.co.uk.
Name Servers
3fff.co.uk is delegated to three name servers ns5.srv.host-it.com, ns4.srv.host-it.co.uk and ns6.srv.host-it.co.uk.
3fff.co.uk at least partially shares name servers with other domains, for instance cilexregulation.org.uk, steelenet.co.uk, therift.biz, primecomputerservices.co.uk and londonschoolofpetgrooming.com.
these name servers are commonly used alongside ns5.srv.host-it.co.uk.
Host names with one IP number: ns5.srv.host-it.com points to 80.93.170.55; ns4.srv.host-it.co.uk points to 80.93.170.54; ns6.srv.host-it.co.uk points to 80.93.170.56.
Mail Servers
Two mail servers handle 3fff.co.uk: d206669.a.ess.uk.barracudanetworks.com and d206669.b.ess.uk.barracudanetworks.com.
3fff.co.uk shares its mail server setup with other domains, including 3fffafrica.com and abcmacintosh.com.
Host names with three IPs:
d206669.a.ess.uk.barracudanetworks.com points to: 18.133.136.186, 18.133.136.187 and 18.133.136.188.
d206669.b.ess.uk.barracudanetworks.com points to: 18.133.136.186, 18.133.136.187 and 18.133.136.188.
Hosts pointing to 18.133.136.186: d206669.a.ess.uk.barracudanetworks.com and d206669.b.ess.uk.barracudanetworks.com.
Hosts pointing to 18.133.136.187: d206669.a.ess.uk.barracudanetworks.com and d206669.b.ess.uk.barracudanetworks.com.
Hosts pointing to 18.133.136.188: d206669.a.ess.uk.barracudanetworks.com and d206669.b.ess.uk.barracudanetworks.com.