firstio.com - dns.ninja
firstio.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.155.0.230 | ||||||
| PTR | startersite.uk.chimera.uk2group.com | ||||||
| NS | ultra103.uk2.net ⭐ | ||||||
| A | 213.155.0.224 | ||||||
| PTR | dns2.uk.chimera.uk2group.com | ||||||
| NS | ultra104.uk2.net | ||||||
| A | 213.155.0.226 | ||||||
| PTR | dns3.uk.chimera.uk2group.com | ||||||
| MX | mx.stackmail.com ⭐ | ||||||
| A | 185.151.28.67🇬🇧 TWENTYI185.151.28.0/24 | ||||||
| PTR | mx.stackmail.com | ||||||
| TXT | v=spf1 include:spf.stackmail.com a mx -all | ||||||
| SOA | ultra103.uk2.nethostmaster@firstio@com 2013-07-02 #13 | ||||||
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=1783835492 | ||||||
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
○MXmx.firstio.com.cust.a.hostedemail.com2015-08-02 → 2017-04-04 · 4 obs
● 2017-04-04 12:18:08
○ 2026-03-28 14:20:48
○ 2026-07-12 06:21:52
●MXmx.stackmail.com2026-03-28 → 2026-07-12 · 3 obs
● 2026-03-28 14:20:48
● 2026-07-12 06:21:52
●A213.155.0.2302026-06-30 → 2026-07-12 · 3 obs
● 2026-06-30 22:02:38
● 2026-07-12 06:21:52
○A46.23.69.442026-03-28 → 2026-03-28 · 4 obs
● 2026-03-28 14:20:48
○ 2026-06-30 22:02:38
○ 2026-07-12 06:21:52
○A83.170.69.532015-08-02 → 2017-04-04 · 4 obs
● 2017-04-04 12:18:08
○ 2026-03-28 14:20:48
○ 2026-07-12 06:21:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| firstio.com | ultra103.uk2.net, ultra104.uk2.net | - |
✅ Authoritative Response
Server:213.155.0.226
NS records: ultra103.uk2.net, ultra104.uk2.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstio.com (unsigned zone)
⏱️ Timing
Total: 1661ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.155.0.230 |
| NS | 2 | ultra104.uk2.net, ultra103.uk2.net |
| MX | 1 | mx.stackmail.com (pri: 0) |
| TXT | 1 | v=spf1 include:spf.stackmail.com a mx -a |
| SOA | 1 | ultra103.uk2.net hostmaster@firstio.com |
Analysis
IP Addresses
firstio.com resolves to just one IP address, 213.155.0.230.
Two other host names, along with elelim.com, wymondhamrotary.org.uk and pokerchaps.com, also share IP numbers with firstio.com.
Name Servers
firstio.com uses two name servers for its delegation: ultra103.uk2.net and ultra104.uk2.net.
firstio.com shares its NS records with other domains, for example vetclinic.co.uk, midlandpallettrucks.com, christianmeyer.co.uk and two others.
At least some of firstio.com's name servers are shared with other domains, for example skifamily.co.uk, lizardservices.com, ncclondon.org and two more.
These name servers are often deployed together with the name servers dns3.uk2.net, dns2.uk2.net, dns1.uk2.net and uk2net.com.
Each of ultra103.uk2.net and ultra104.uk2.net has one IP address: ultra103.uk2.net uses 213.155.0.224 and ultra104.uk2.net uses 213.155.0.226.
Mail Servers
The sole mail server for firstio.com is mx.stackmail.com.
Among the domains sharing a mail server setup with firstio.com are caer.ca, dollakis.com, wholesaleconnections.co and two others.
mx.stackmail.com directs to just one IP number, 185.151.28.67.