upstack.co - dns.ninja
upstack.co
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=1759681558 | ||||||
Same first word
Similar names
DNS History
16 records (10 active, 6 former)
●NSns-1499.awsdns-59.org2017-09-29 → 2026-06-13 · 2 obs
● 2026-06-13 20:50:10
●NSns-1708.awsdns-21.co.uk2017-09-29 → 2026-06-13 · 2 obs
● 2026-06-13 20:50:10
●NSns-188.awsdns-23.com2017-09-29 → 2026-06-13 · 2 obs
● 2026-06-13 20:50:10
●NSns-608.awsdns-12.net2017-09-29 → 2026-06-13 · 2 obs
● 2026-06-13 20:50:10
●MXalt1.aspmx.l.google.com2017-09-29 → 2026-06-13 · 2 obs
● 2026-06-13 20:50:10
●MXalt2.aspmx.l.google.com2017-09-29 → 2026-06-13 · 2 obs
● 2026-06-13 20:50:10
●MXalt3.aspmx.l.google.com2026-06-13 → 2026-06-13 · 3 obs
● 2026-06-13 19:24:00
● 2026-06-13 20:50:10
●MXalt4.aspmx.l.google.com2026-06-13 → 2026-06-13 · 3 obs
● 2026-06-13 19:24:00
● 2026-06-13 20:50:10
●MXaspmx.l.google.com2017-09-29 → 2026-06-13 · 2 obs
● 2026-06-13 20:50:10
○MXaspmx2.googlemail.com2017-09-29 → 2017-09-29 · 3 obs
○ 2026-06-13 19:24:00
○ 2026-06-13 20:50:10
○MXaspmx3.googlemail.com2017-09-29 → 2017-09-29 · 3 obs
○ 2026-06-13 19:24:00
○ 2026-06-13 20:50:10
○A52.33.83.1772017-09-29 → 2017-09-29 · 3 obs
○ 2026-06-13 19:24:00
○ 2026-06-13 20:50:10
●A54.71.83.2322026-06-13 → 2026-06-13 · 3 obs
● 2026-06-13 19:24:00
● 2026-06-13 20:50:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, d.registrydns.co, a.registrydns.co, b.registrydns.co | - |
| upstack.co | ns-1708.awsdns-21.co.uk, ns-1499.awsdns-59.org, ns-608.awsdns-12.net, ns-188.awsdns-23.com | - |
✅ Authoritative Response
Server:205.251.198.172
NS records: ns-1708.awsdns-21.co.uk, ns-1499.awsdns-59.org, ns-608.awsdns-12.net, ns-188.awsdns-23.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for upstack.co (unsigned zone)
⏱️ Timing
Total: 2161ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.71.83.232 |
| NS | 4 | ns-1499.awsdns-59.org, ns-1708.awsdns-21.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | v=spf1 include:zoho.com ~all, zoho-verification=zb11224161.zmverify.zo |
| SOA | 1 | ns-608.awsdns-12.net awsdns-hostmaster.a |
Analysis
IP Addresses
upstack.co resolves to just one IP address, 54.71.83.232.
upstack.co shares its IP numbers with other host names, including upstackhq.com, ec2-54-71-83-232.us-west-2.compute.amazonaws.com, www.airtalent.com and airtalent.com.
Name Servers
upstack.co is delegated to four name servers, ns-188.awsdns-23.com, ns-608.awsdns-12.net, ns-1499.awsdns-59.org and ns-1708.awsdns-21.co.uk.
There is at least partial name server overlap between upstack.co and other domains — mangaka.app, ponhub.pro, worldskillsleadersforum.com and two more among them.
These name servers regularly appear alongside ns-92.awsdns-11.com, sdns3.ultradns.com, ns-531.awsdns-02.net and 4 other name servers in NS record sets.
All four hostnames — ns-188.awsdns-23.com, ns-608.awsdns-12.net, ns-1499.awsdns-59.org and ns-1708.awsdns-21.co.uk — resolve to two IP numbers apiece: ns-188.awsdns-23.com to 205.251.192.188 and 2600:9000:5300:bc00::1; ns-608.awsdns-12.net to 205.251.194.96 and 2600:9000:5302:6000::1; ns-1499.awsdns-59.org to 205.251.197.219 and 2600:9000:5305:db00::1; ns-1708.awsdns-21.co.uk to 205.251.198.172 and 2600:9000:5306:ac00::1.
Mail Servers
Five mail servers handle upstack.co: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
There is at least a partial MX overlap between upstack.co and other domains, including ns500841.ns500841.ns500841.ns500794.ns500821.ns500821.ns500821.ns500794.ns500821.ns500821.ns500795.ns500790.ns500795.lustypartnersfinder.com, skytrain.biz, mmaartmartial.wpengine.com and two others.
alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
The A records for aspmx.l.google.com return 172.253.63.27 and 2607:f8b0:4004:c1b::1a.
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::1b.
The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1b.
The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1b.