subcert.com - dns.ninja
subcert.com
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=1783470176 | ||||||
Same first word
subcert.com |
Similar names
DNS History
6 records (5 active, 1 former)
●MXmail.protonmail.ch2017-03-16 → 2026-07-08 · 2 obs
● 2026-07-08 00:49:08
○A89.161.239.2522017-03-16 → 2017-03-16 · 3 obs
○ 2020-01-22 13:20:40
○ 2026-07-08 00:49:08
●A89.161.255.322020-01-22 → 2026-07-08 · 3 obs
● 2020-01-22 13:20:40
● 2026-07-08 00:49:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| subcert.com | dns.home.pl, dns2.home.pl, dns3.home.pl | - |
✅ Authoritative Response
Server:217.160.81.248
NS records: dns.home.pl, dns2.home.pl, dns3.home.pl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 497ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.161.255.32 |
| NS | 3 | dns3.home.pl, dns.home.pl... |
| MX | 1 | mail.protonmail.ch (pri: 10) |
| TXT | 2 | protonmail-verification=dd127a46b48c6537, v=spf1 include:_spf.protonmail.ch mx ~al |
| SOA | 1 | dns.home.pl admin.home.pl |
Analysis
IP Addresses
subcert.com resolves to just one IP address, 89.161.255.32.
Two other host names, along with czarnow.com, boxsystem.eu and prus.co, also share IP numbers with subcert.com.
Name Servers
DNS for subcert.com is handled by three authoritative name servers: dns2.home.pl, dns3.home.pl and dns.home.pl.
subcert.com partially shares its NS delegation with several other domains, including kpsn.pl, cloudserver041344.home.pl, gudel.pl and two others.
Three hostnames — dns2.home.pl, dns3.home.pl and dns.home.pl — each have two IP addresses: dns2.home.pl has 217.160.81.248 and 2001:8d8:fe:53:6870::2, dns3.home.pl has 185.132.34.251 and 2607:f1c0:fe:53:185:132:34:251, and dns.home.pl has 217.160.80.244 and 2001:8d8:fe:53:6870::1.
Mail Servers
The sole mail server for subcert.com is mail.protonmail.ch.
Among the domains sharing a mail server setup with subcert.com are mrochain.com, myaddress.ch, mobilemeld.com and two others.
There is at least a partial MX overlap between subcert.com and other domains, including jwright.me, eyolfson.com, scorchedcode.com and two others.
These mail servers often co-occur with the mail servers mailsec.protonmail.ch.
mail.protonmail.ch has three IP addresses: 176.119.200.128, 185.70.42.128 and 185.205.70.128.