sendblue.com - robtex.com
sendblue.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=1774382122 | ||||||
Subdomains
dashboard.sendblue.com |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSalgin.ns.cloudflare.com2026-03-07 → 2026-03-24 · 2 obs
● 2026-03-24 20:03:04
●NSisla.ns.cloudflare.com2026-03-07 → 2026-03-24 · 2 obs
● 2026-03-24 20:03:04
●MXsmtp.google.com2026-03-07 → 2026-03-24 · 2 obs
● 2026-03-24 20:03:04
●A198.202.211.12026-03-07 → 2026-03-24 · 3 obs
● 2026-03-07 13:04:50
● 2026-03-24 20:03:04
○A207.148.248.1432015-10-30 → 2016-12-22 · 5 obs
● 2015-10-30 05:21:42
● 2016-12-22 15:09:04
○ 2026-03-07 13:04:50
○ 2026-03-24 20:03:04
●A2620:cb:2000::12026-03-07 → 2026-03-24 · 3 obs
● 2026-03-07 13:04:50
● 2026-03-24 20:03:04
○A66.151.181.492015-06-14 → 2015-06-14 · 3 obs
○ 2015-10-30 05:21:42
○ 2026-03-24 20:03:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net... | - |
| sendblue.com | isla.ns.cloudflare.com, algin.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.61
NS records: isla.ns.cloudflare.com, algin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sendblue.com (unsigned zone)
⏱️ Timing
Total: 222ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.202.211.1 |
| AAAA | 1 | 2620:cb:2000::1 |
| NS | 2 | algin.ns.cloudflare.com, isla.ns.cloudflare.com |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 8 | apple-domain-verification=TLRTOiWCjWTzCH, clickfunnels-domain-verification=jxnWmw... |
| SOA | 1 | algin.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (isla.ns.cloudflare.com, isla.ns.cloudflare.com, isla.ns.cloudflare.com...)
Analysis
Hierarchy
The parent of dashboard.sendblue.com is sendblue.com.
IP Addresses
sendblue.com points to two IP numbers: 2620:cb:2000::1 and 198.202.211.1.
Other host names such as runwayea.st, newlifeqca.com, blockly.com, thecork.co.uk and tennesseeguardrail.com share IPs with sendblue.com.
Name Servers
sendblue.com is delegated to two name servers: algin.ns.cloudflare.com and isla.ns.cloudflare.com.
sendblue.com shares the same name server setup as productivitygame.com, codefordemocracy.io, talmudtorah.com, vinomaly.com and v6-moving-pictures.com.
sendblue.com at least partially shares name servers with other domains, for instance shivasportsnews.com, kaskustoto874.space, ronlonfloorsystems.com, mspsss.org.ua and cowprotector.com.
these name servers are often used in conjunction with the name servers grace.ns.cloudflare.com.
Host names with six IP numbers:
algin.ns.cloudflare.com points to 2606:4700:58::adf5:3b3d, 2803:f800:50::6ca2:c13d, 2a06:98c1:50::ac40:213d, 108.162.193.61, 172.64.33.61 and 173.245.59.61.
isla.ns.cloudflare.com points to 2606:4700:50::adf5:3a77, 2803:f800:50::6ca2:c077, 2a06:98c1:50::ac40:2077, 108.162.192.119, 172.64.32.119 and 173.245.58.119.
Mail Servers
sendblue.com is handled by a single mail server, smtp.google.com.
The mail server setup for sendblue.com matches that of other domains, for instance server-backup.it, spbs.in, beharrygrouptt.com, mycigsaustralia.com and emailbasis.com.
sendblue.com shares at least partially some mail servers with other domains, including kharagpurva.org, legends.la, airlines24.com, conerlabs.com and homewithmeadowlark.com.
these mail servers are often used with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx.l.google.com.
The host name smtp.google.com points to nine IP numbers: 2a00:1450:400c:c04::1b, 2a00:1450:400c:c09::1b, 2a00:1450:400c:c0a::1a, 2a00:1450:400c:c0a::1b, 64.233.166.26, 64.233.166.27, 64.233.167.26, 64.233.167.27 and 74.125.206.27.