publicfirst.co - robtex.com
publicfirst.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 77.72.2.29🇬🇧 KRYSTAL77.72.2.0/24 | ||||||
| PTR | morgan.krystal.uk | ||||||
| NS | ns1.krystal.uk ⭐ ⚠️ Not in parent delegation | ||||||
| A | 77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd | ||||||
| PTR | ns1.krystal.uk | ||||||
| NS | ns1.krystal.co.uk ⚠️ Not in zone NS records | ||||||
| A | 77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd | ||||||
| PTR | ns1.krystal.uk | ||||||
| NS | ns2.krystal.co.uk ⚠️ Not in zone NS records | ||||||
| A | 139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies | ||||||
| PTR | ns2.krystal.uk | ||||||
| NS | ns2.krystal.uk ⚠️ Not in parent delegation | ||||||
| A | 139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies | ||||||
| PTR | ns2.krystal.uk | ||||||
| MX | mx1.krystal.uk ⭐ | ||||||
| A | 185.53.56.44🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx1.strikemail.co.uk | ||||||
| A | 185.53.56.46🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx1.strikemail.co.uk | ||||||
| MX | mx2.krystal.uk(20) | ||||||
| A | 185.53.56.45🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx2.strikemail.co.uk | ||||||
| A | 185.53.56.47🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx2.strikemail.co.uk | ||||||
| TXT | v=spf1 include:relay.k.io ip4:77.72.1.19 a mx ip4:77.72.2.29 v=spf1 include:_... | ||||||
| SOA | ns1.krystal.ukadmin@k-validator-morgan.krystal.uk 2026-02-27 #0 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759618457 | ||||||
rank #2937 in the tld
Same first word
publicfirst.co.uk |
publicfirst.co |
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.krystal.co.uk2026-03-02 → 2026-03-26 · 2 obs
● 2026-03-26 06:50:24
●NSns1.krystal.uk2026-03-02 → 2026-03-26 · 2 obs
● 2026-03-26 06:50:24
●NSns2.krystal.co.uk2026-03-02 → 2026-03-26 · 2 obs
● 2026-03-26 06:50:24
●NSns2.krystal.uk2026-03-02 → 2026-03-26 · 2 obs
● 2026-03-26 06:50:24
●MXmx1.krystal.uk2026-03-02 → 2026-03-26 · 2 obs
● 2026-03-26 06:50:24
●MXmx2.krystal.uk2026-03-02 → 2026-03-26 · 2 obs
● 2026-03-26 06:50:24
●A77.72.2.292026-03-02 → 2026-03-26 · 2 obs
● 2026-03-26 06:50:24
🔍 DNS Trace
Analysis
IP Addresses
publicfirst.co points to IP number: 77.72.2.29.
Other host names such as theportreatharms.co.uk, st-benets.durham.sch.uk, bordesley.it, toprated.co.za and wasc.org.uk share IPs with publicfirst.co.
Name Servers
publicfirst.co is delegated to four name servers: ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk.
publicfirst.co at least partially shares name servers with other domains, for instance irail.co.uk, casuarina.org.uk, liquid25.com, funparx.co.uk and blitzpics.com.
These name servers are commonly used alongside ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.cloudhosting.co.uk, ns2.cloudhosting.co.uk, ns2.uksrv.co.uk, ns1.uksrv.co.uk, ns1.krystal.io, ns2.krystal.io, ns3.krystal.io and ns4.krystal.io.
Host names with a single IP address:
ns1.krystal.uk maps to 77.72.0.11
ns2.krystal.uk maps to 139.162.230.184
ns1.krystal.co.uk maps to 77.72.0.11
ns2.krystal.co.uk maps to 139.162.230.184
Host names mapping to 77.72.0.11: ns1.krystal.uk and ns1.krystal.co.uk
Host names mapping to 139.162.230.184: ns2.krystal.uk and ns2.krystal.co.uk
Mail Servers
publicfirst.co is handled by two mail servers: mx1.krystal.uk and mx2.krystal.uk.
The mail server setup for publicfirst.co matches that of other domains, for instance fukfmh3.co.uk, isabellefraysse.com, bratchen.co.uk, gloves4masons.com and store-3.co.uk.
Host names with two IP numbers: mx1.krystal.uk points to: 185.53.56.44 and 185.53.56.46; mx2.krystal.uk points to: 185.53.56.45 and 185.53.56.47.