www.proofofexistence.com - robtex.com
www.proofofexistence.com
proofofexistence.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.151.81.223🇺🇸 Amazon54.151.0.0/17 EC2 SFO prefix | ||||||
| NS | brit.ns.cloudflare.com ⭐ | ||||||
| NS | norm.ns.cloudflare.com | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(20) | ||||||
| MX | alt2.aspmx.l.google.com(20) | ||||||
| MX | aspmx2.googlemail.com(30) | ||||||
| MX | aspmx3.googlemail.com(30) | ||||||
| TXT | google-site-verification=CGWsl8qK3mE7dGp6XrfpkFW24MvLQtZZxvcTTK1k72A | ||||||
| TXT | v=spf1 include:_spf.google.com ~all | ||||||
| SOA | brit.ns.cloudflare.comdns@cloudflare.com serial=2410815291 | ||||||
rank #530280 globally
rank #220779 in the tld
WOT: SAFE (80/100)
Same first word
Similar names
DNS History
21 records (1 active, 20 former)
○NSdns1.name-services.com2015-11-12 → 2015-11-12 · 3 obs
○ 2016-01-28 23:23:46
○ 2026-08-03 13:12:54
○A173.194.206.1212015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A173.194.72.1212015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A2404:6800:4003:c01::792015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A2404:6800:4008:c01::792015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A2404:6800:4008:c04::792015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A2607:f8b0:400c:c10::792015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A2607:f8b0:400d:c08::792015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A2607:f8b0:400e:c02::792015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A2607:f8b0:400e:c04::792015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A2a00:1450:400b:c02::792015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A52.21.34.1602015-11-12 → 2016-04-24 · 5 obs
● 2015-11-12 04:12:22
● 2016-04-24 09:07:42
○ 2017-01-08 07:43:14
○ 2026-08-03 13:12:54
○A64.233.186.1212015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A74.125.129.1212015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A74.125.130.1212015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A74.125.204.1212015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A74.125.24.1212015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A74.125.28.1212015-05-14 → 2015-05-14 · 3 obs
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○A98.124.199.12017-01-08 → 2017-01-08 · 4 obs
● 2017-01-08 07:43:14
○ 2018-05-21 19:17:06
○ 2026-08-03 13:12:54
○CNAMEghs.googlehosted.com2015-05-14 → 2015-05-14 · 3 obs
○ 2015-11-12 04:12:22
○ 2026-08-03 13:12:54
●CNAMEproofofexistence.com2018-05-21 → 2026-08-03 · 3 obs
● 2018-05-21 19:17:06
● 2026-08-03 13:12:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| proofofexistence.com | norm.ns.cloudflare.com, brit.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.134
NS records: norm.ns.cloudflare.com, brit.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for proofofexistence.com (unsigned zone)
⏱️ Timing
Total: 137ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | proofofexistence.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (norm.ns.cloudflare.com, norm.ns.cloudflare.com, norm.ns.cloudflare.com...)
Analysis
IP Addresses
www.proofofexistence.com has exactly one IP address — 54.151.81.223.
Host names such as ec2-54-151-81-223.us-west-1.compute.amazonaws.com, proofofexistence.com and poex.io share their IP numbers with www.proofofexistence.com.
Name Servers
The NS records for www.proofofexistence.com delegate to brit.ns.cloudflare.com and norm.ns.cloudflare.com.
The name server configuration of www.proofofexistence.com is shared with other domains, for instance ispratis.com, terim.uz, btctele.com and two others.
There is at least partial name server overlap between www.proofofexistence.com and other domains — aiihe.edu.au, peterdavehello.org, 402000.com and two more among them.
These name servers frequently co-occur with the name servers lady.ns.cloudflare.com and isla.ns.cloudflare.com.
Hosts with 6 IP addresses each:
brit.ns.cloudflare.com maps to 108.162.192.78, 172.64.32.78, 173.245.58.78 and 3 additional IP addresses.
norm.ns.cloudflare.com maps to 108.162.193.134, 172.64.33.134, 173.245.59.134 and 3 additional IP addresses.
Mail Servers
Five mail servers handle www.proofofexistence.com: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
At least some of the mail servers used by www.proofofexistence.com are shared with other domains: electromag.com.mx, nappanee.in.gov, ns500759.ns500759.ns500759.ns500759.ns500758.ns500736.ns500735.ns500698.ns500576.ns500708.ns500576.ns500686.ns500652.ns500576.trackreceptor.com and two others among them.
These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.
Host names pointing to two IP addresses:
The A records for aspmx2.googlemail.com return 108.177.123.26 and 2800:3f0:4003:c0f::1b.
The A records for aspmx3.googlemail.com return 172.253.116.27 and 2a00:1450:400b:c02::1b.
The A records for aspmx.l.google.com return 142.251.163.27 and 2607:f8b0:4004:c06::1b.
The A records for alt1.aspmx.l.google.com return 108.177.123.26 and 2800:3f0:4003:c0f::1b.
The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 2800:3f0:4003:c0f::1b IP addresses.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 108.177.123.26 IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.27 IP addresses.