proton.co - robtex.com
proton.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.237.57.21🇺🇸 Amazon54.237.0.0/16 EC2 IAD prefix | ||||||
| PTR | ns1.namepros-dns.com | ||||||
| NS | ns1.namepros-dns.com ⭐ | ||||||
| A | 54.237.57.21🇺🇸 Amazon54.237.0.0/16 EC2 IAD prefix | ||||||
| PTR | ns1.namepros-dns.com | ||||||
| NS | ns2.zss5p6352r53spzb3phzhs8p.ns.namepros-dns.is ⚠️ Not in parent delegation | ||||||
| A | 3.233.30.191🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix | ||||||
| PTR | ns2.namepros-dns.com | ||||||
| NS | zss5p6352r53spzb3phzhs8pdh6583j8.ns.namepros-dns.is ⚠️ Not in zone NS records | ||||||
| A | 3.233.30.191🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix | ||||||
| PTR | ns2.namepros-dns.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.namepros-dns.comdns@namepros.com serial=14485766 | ||||||
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=1759706148 | ||||||
Subdomains
mes.proton.co |
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NSbuy.internettraffic.com2015-08-02 → 2016-08-22 · 4 obs
● 2016-08-22 21:39:52
○ 2016-09-08 09:47:10
○ 2026-07-15 08:25:02
●NSns1.namepros-dns.com2026-06-26 → 2026-07-15 · 3 obs
● 2026-06-26 13:42:52
● 2026-07-15 08:25:02
○NSns1.uniregistrymarket.link2016-09-08 → 2017-06-03 · 5 obs
● 2016-09-08 09:47:10
● 2017-06-03 14:56:04
○ 2026-06-26 13:42:52
○ 2026-07-15 08:25:02
○NSns2.uniregistrymarket.link2016-09-08 → 2017-06-03 · 5 obs
● 2016-09-08 09:47:10
● 2017-06-03 14:56:04
○ 2026-06-26 13:42:52
○ 2026-07-15 08:25:02
●NSns2.zss5p6352r53spzb3phzhs8p.ns.namepros-dns.is2026-06-26 → 2026-07-15 · 3 obs
● 2026-06-26 13:42:52
● 2026-07-15 08:25:02
○NSsell.internettraffic.com2015-08-02 → 2016-08-22 · 4 obs
● 2016-08-22 21:39:52
○ 2016-09-08 09:47:10
○ 2026-07-15 08:25:02
●NSzss5p6352r53spzb3phzhs8pdh6583j8.ns.namepros-dns.is2026-06-26 → 2026-07-15 · 3 obs
● 2026-06-26 13:42:52
● 2026-07-15 08:25:02
●A54.237.57.212026-06-26 → 2026-07-15 · 3 obs
● 2026-06-26 13:42:52
● 2026-07-15 08:25:02
○A69.172.201.1532016-05-19 → 2017-06-03 · 5 obs
● 2016-05-19 06:24:46
● 2017-06-03 14:56:04
○ 2026-06-26 13:42:52
○ 2026-07-15 08:25:02
○A69.172.201.2082015-08-02 → 2016-04-02 · 4 obs
● 2016-04-02 16:18:40
○ 2016-05-19 06:24:46
○ 2026-07-15 08:25:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, d.registrydns.co, c.registrydns.co, b.registrydns.co | - |
| proton.co | ns1.namepros-dns.com, zss5p6352r53spzb3phzhs8pdh6583j8.ns.namepros-dns.is | - |
✅ Authoritative Response
Server:54.237.57.21
NS records: ns1.namepros-dns.com, zss5p6352r53spzb3phzhs8pdh6583j8.ns.namepros-dns.is
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for proton.co (unsigned zone)
⏱️ Timing
Total: 351ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.237.57.21 |
| NS | 2 | ns1.namepros-dns.com, ns2.zss5p6352r53spzb3phzhs8p.ns.namepros |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.namepros-dns.com dns.namepros.com |
Analysis
Hierarchy
proton.co is a parent domain of mes.proton.co.
IP Addresses
proton.co resolves to just one IP address, 54.237.57.21.
Two other host names, along with thesainteclaire.com, localist.net and mx.vivamente.com, also share IP numbers with proton.co.
Name Servers
The authoritative name servers for proton.co are ns1.namepros-dns.com, zss5p6352r53spzb3phzhs8pdh6583j8.ns.namepros-dns.is and ns2.zss5p6352r53spzb3phzhs8p.ns.namepros-dns.is — three in total.
proton.co shares at least some of its name servers with other domains, including emeraldlodge.com, adsdept.com, klang.co and two others.
These name servers are frequently seen alongside ns2.abdulbasit.ns.namepros-dns.is, ns2.f5f895r3r6zmmpsm2h92.ns.namepros-dns.is, ns2.brokerage.ns.namepros-dns.is and 7 other name servers.
ns1.namepros-dns.com has IP address 54.237.57.21, and zss5p6352r53spzb3phzhs8pdh6583j8.ns.namepros-dns.is and ns2.zss5p6352r53spzb3phzhs8p.ns.namepros-dns.is both have IP address 3.233.30.191.
Both zss5p6352r53spzb3phzhs8pdh6583j8.ns.namepros-dns.is and ns2.zss5p6352r53spzb3phzhs8p.ns.namepros-dns.is resolve to 3.233.30.191 IP addresses each.