mail.duboulder.com - robtex.com
mail.duboulder.com
| DNSSEC | โ ๏ธ Not signed | ||||||
duboulder.com
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | gerald.ns.cloudflare.com โญ | ||||||
| NS | vita.ns.cloudflare.com | ||||||
| MX | mail.protonmail.ch โญ | ||||||
| MX | mailsec.protonmail.ch(20) | ||||||
| TXT | protonmail-verification=172298e431943400f9b45aebd99c076985dd9be7 | ||||||
| TXT | v=spf1 include:_spf.protonmail.ch mx ~all | ||||||
| SOA | gerald.ns.cloudflare.comdns@cloudflare.com serial=2407999797 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (0 active, 1 former)
โA65.103.98.1952015-06-13 โ 2016-09-14 ยท 3 obs
โ 2015-06-13 21:02:00
โ 2016-09-14 04:22:54
โ 2026-07-18 23:18:30
โ 2016-09-14 04:22:54
โ 2026-07-18 23:18:30
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net... | - |
| duboulder.com | gerald.ns.cloudflare.com, vita.ns.cloudflare.com | 12 records |
โ Authoritative Response
Server:108.162.193.168
NS records: gerald.ns.cloudflare.com, vita.ns.cloudflare.com
๐ DNSSEC Status
๐ Secure (DNSSEC validated)
Chain of trust verified from root to domain
โฑ๏ธ Timing
Total: 158ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|
๐ Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (gerald.ns.cloudflare.com, gerald.ns.cloudflare.com, gerald.ns.cloudflare.com...)