mailblast.co - robtex.com
mailblast.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a07:7800::155🇬🇧 TWENTYI2a07:7800::/48 | ||||||
| A | 185.151.30.155🇬🇧 TWENTYI185.151.30.0/24 | ||||||
| NS | ns1.stackdns.com ⭐ | ||||||
| A | 35.197.225.59🇬🇧 Google35.197.224.0/20 | ||||||
| PTR | 59.225.197.35.bc.googleusercontent.com | ||||||
| NS | ns2.stackdns.com | ||||||
| A | 146.148.28.88🇧🇪 Google146.148.16.0/20 | ||||||
| PTR | 88.28.148.146.bc.googleusercontent.com | ||||||
| NS | ns3.stackdns.com | ||||||
| A | 35.198.79.191🇩🇪 Google35.198.64.0/20 | ||||||
| PTR | 191.79.198.35.bc.googleusercontent.com | ||||||
| NS | ns4.stackdns.com | ||||||
| A | 104.196.137.209🇺🇸 Google104.196.128.0/20 | ||||||
| PTR | 209.137.196.104.bc.googleusercontent.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 | ns1.stackdns.comhostmaster@stackdns.com serial=1776007892 | ||||||
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=1759731613 | ||||||
Same first word
Similar names
DNS History
14 records (7 active, 7 former)
○NSns1.p21.dynect.net2015-06-11 → 2017-04-24 · 4 obs
● 2017-04-24 04:25:26
○ 2026-06-23 02:36:54
○ 2026-08-12 20:57:20
●NSns1.stackdns.com2026-06-23 → 2026-08-12 · 3 obs
● 2026-06-23 02:36:54
● 2026-08-12 20:57:20
○NSns2.p21.dynect.net2015-06-11 → 2017-04-24 · 4 obs
● 2017-04-24 04:25:26
○ 2026-06-23 02:36:54
○ 2026-08-12 20:57:20
●NSns2.stackdns.com2026-06-23 → 2026-08-12 · 3 obs
● 2026-06-23 02:36:54
● 2026-08-12 20:57:20
○NSns3.p21.dynect.net2015-06-11 → 2017-04-24 · 4 obs
● 2017-04-24 04:25:26
○ 2026-06-23 02:36:54
○ 2026-08-12 20:57:20
●NSns3.stackdns.com2026-06-23 → 2026-08-12 · 3 obs
● 2026-06-23 02:36:54
● 2026-08-12 20:57:20
○NSns4.p21.dynect.net2015-06-11 → 2017-04-24 · 4 obs
● 2017-04-24 04:25:26
○ 2026-06-23 02:36:54
○ 2026-08-12 20:57:20
●NSns4.stackdns.com2026-06-23 → 2026-08-12 · 3 obs
● 2026-06-23 02:36:54
● 2026-08-12 20:57:20
○MXmail.mailblast.co2015-06-11 → 2017-04-24 · 4 obs
● 2017-04-24 04:25:26
○ 2026-06-23 02:36:54
○ 2026-08-12 20:57:20
●MXmx.stackmail.com2026-06-23 → 2026-08-12 · 3 obs
● 2026-06-23 02:36:54
● 2026-08-12 20:57:20
○A103.20.247.802015-06-11 → 2016-03-25 · 4 obs
● 2016-03-25 12:15:48
○ 2016-08-07 21:18:18
○ 2026-08-12 20:57:20
○A103.20.247.832016-08-07 → 2017-04-24 · 5 obs
● 2016-08-07 21:18:18
● 2017-04-24 04:25:26
○ 2026-06-23 02:36:54
○ 2026-08-12 20:57:20
●A185.151.30.1552026-06-23 → 2026-08-12 · 3 obs
● 2026-06-23 02:36:54
● 2026-08-12 20:57:20
●A2a07:7800::1552026-06-23 → 2026-08-12 · 3 obs
● 2026-06-23 02:36:54
● 2026-08-12 20:57:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| mailblast.co | ns2.stackdns.com, ns1.stackdns.com, ns3.stackdns.com, ns4.stackdns.com | - |
✅ Authoritative Response
Server:146.148.28.88
NS records: ns2.stackdns.com, ns1.stackdns.com, ns3.stackdns.com, ns4.stackdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mailblast.co (unsigned zone)
⏱️ Timing
Total: 626ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.151.30.155 |
| AAAA | 1 | 2a07:7800::155 |
| NS | 4 | ns4.stackdns.com, ns1.stackdns.com... |
| MX | 1 | mx.stackmail.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.stackmail.com a mx -a |
| SOA | 1 | ns1.stackdns.com hostmaster.stackdns.com |
Analysis
IP Addresses
mailblast.co has two IP addresses: 185.151.30.155 and 2a07:7800::155
Additional host names — defexx.com, archana.com, limpleystoke.co.uk and two others — share IP numbers with mailblast.co.
Name Servers
mailblast.co has four authoritative name servers: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.
At least some of mailblast.co's name servers are shared with other domains, for example ceredigionarttrail.org.uk, jcgates.com, newbarns.cumbria.sch.uk and two more.
These name servers tend to be deployed in combination with the name servers ns1.1ahostingpro.ch and ns2.1ahostingpro.ch.
ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com each resolve to one IP address: ns1.stackdns.com resolves to 35.197.225.59, ns2.stackdns.com resolves to 146.148.28.88, ns3.stackdns.com resolves to 35.198.79.191 and ns4.stackdns.com resolves to 104.196.137.209.
Mail Servers
mailblast.co has one mail server: mx.stackmail.com.
mailblast.co shares the same mail server setup as other domains, including auctionofhorrors.com, ballantraeparishchurch.org.uk, musiclikedirt.com and two others.
There is one IP number for mx.stackmail.com: 185.151.28.67.