protonmails.co - robtex.com
protonmails.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.161.77.67🇺🇸 HETZNER-CLOUD2-AS5.161.77.0/24 | ||||||
| PTR | mail.protonmails.co | ||||||
| NS | mail.protonmails.co ⭐ ⚠️ Not in parent delegation | ||||||
| A | 5.161.77.67🇺🇸 HETZNER-CLOUD2-AS5.161.77.0/24 | ||||||
| PTR | mail.protonmails.co | ||||||
| NS | ns1.protonmails.co ⚠️ Not in zone NS records | ||||||
| NS | ns2.protonmails.co ⚠️ Not in zone NS records | ||||||
| MX | mail.protonmails.co ⭐ | ||||||
| A | 5.161.77.67🇺🇸 HETZNER-CLOUD2-AS5.161.77.0/24 | ||||||
| PTR | mail.protonmails.co | ||||||
| TXT | v=spf1 a mx a:protonmails.co ip4:5.161.77.67 ip6:2a01:4ff:f0:2c44::1 ?all | ||||||
| SOA | mail.protonmails.coroot@mail.protonmails.co serial=1643177659 | ||||||
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=1759658902 | ||||||
Subdomains
mail.protonmails.co |
Same first word
protonmails.co |
protonmails.info |
Similar names
DNS History
5 records (5 active, 0 former)
●NSmail.protonmails.co2026-03-18 → 2026-05-15 · 2 obs
● 2026-05-15 19:51:20
●NSns1.protonmails.co2026-03-18 → 2026-05-15 · 2 obs
● 2026-05-15 19:51:20
●NSns2.protonmails.co2026-03-18 → 2026-05-15 · 2 obs
● 2026-05-15 19:51:20
●MXmail.protonmails.co2026-03-18 → 2026-05-15 · 2 obs
● 2026-05-15 19:51:20
●A5.161.77.672026-03-18 → 2026-05-15 · 2 obs
● 2026-05-15 19:51:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| protonmails.co | ns1.protonmails.co, ns2.protonmails.co | 2 records |
✅ Authoritative Response
Server:5.161.77.67
NS records: ns1.protonmails.co, ns2.protonmails.co
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for protonmails.co (unsigned zone)
⏱️ Timing
Total: 257ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.161.77.67 |
| NS | 1 | mail.protonmails.co |
| MX | 1 | mail.protonmails.co (pri: 5) |
| TXT | 1 | v=spf1 a mx a:protonmails.co ip4:5.161.7 |
| SOA | 1 | mail.protonmails.co root.mail.protonmail |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.protonmails.co, ns2.protonmails.co)
Analysis
Hierarchy
protonmails.co is the parent of mail.protonmails.co.
IP Addresses
protonmails.co resolves to one IP number: 5.161.77.67.
Other host names, for instance etexmail.com, mail.protonmails.co and mail.etexmail.com share IP numbers with protonmails.co.
Name Servers
protonmails.co is delegated to three name servers mail.protonmails.co, ns1.protonmails.co and ns2.protonmails.co.
protonmails.co at least partially shares name servers with other domains, for instance etexmail.com.
These name servers are commonly used alongside ns1.etexmail.com and ns2.etexmail.com.
Hostnames with a single IP:
mail.protonmails.co points to 5.161.77.67.
Mail Servers
protonmails.co is handled by a single mail server, mail.protonmails.co.