red-21.co - robtex.com
red-21.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=1759658377 | ||||||
Subdomains
www.red-21.co |
Same first word
red-21.co |
DNS History
9 records (9 active, 0 former)
●NSns27.domaincontrol.com2026-03-10 → 2026-05-15 · 2 obs
● 2026-05-15 04:22:44
●NSns28.domaincontrol.com2026-03-10 → 2026-05-15 · 2 obs
● 2026-05-15 04:22:44
●MX2yuarea7h3ib42f232ehbc4vvqrwowc7kbwtvkj4bcpvfg34js5a.mx-verification.google.com2026-03-10 → 2026-05-15 · 2 obs
● 2026-05-15 04:22:44
●MXalt1.aspmx.l.google.com2026-03-10 → 2026-05-15 · 2 obs
● 2026-05-15 04:22:44
●MXalt2.aspmx.l.google.com2026-03-10 → 2026-05-15 · 2 obs
● 2026-05-15 04:22:44
●MXalt3.aspmx.l.google.com2026-03-10 → 2026-05-15 · 2 obs
● 2026-05-15 04:22:44
●MXalt4.aspmx.l.google.com2026-03-10 → 2026-05-15 · 2 obs
● 2026-05-15 04:22:44
●MXaspmx.l.google.com2026-03-10 → 2026-05-15 · 2 obs
● 2026-05-15 04:22:44
●A52.221.155.82026-03-10 → 2026-05-15 · 2 obs
● 2026-05-15 04:22:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | d.registrydns.co, a.registrydns.co, b.registrydns.co, c.registrydns.co | - |
| red-21.co | ns28.domaincontrol.com, ns27.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.71.14
NS records: ns28.domaincontrol.com, ns27.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for red-21.co (unsigned zone)
⏱️ Timing
Total: 746ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.221.155.8 |
| NS | 2 | ns27.domaincontrol.com, ns28.domaincontrol.com |
| MX | 6 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| SOA | 1 | ns27.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
The parent of www.red-21.co is red-21.co.
IP Addresses
red-21.co points to a single IP address: 52.221.155.8.
Other host names such as lucyisgood.com, murmurlady.com, lhidscreative.com.tw, laptopart.net and tsuistudio.com share IPs with red-21.co.
Name Servers
Two name servers ns27.domaincontrol.com and ns28.domaincontrol.com handle the delegation for red-21.co.
red-21.co shares the same name server setup as other domains, for example jbdelivery.ca, natrofoods.com, similarweb.company, axiosis.ai and mtgtrading.net.
Host names with two IP numbers:
ns27.domaincontrol.com points to 2603:5:2171::e and 97.74.103.14.
ns28.domaincontrol.com points to 2603:5:2271::e and 173.201.71.14.
Mail Servers
red-21.co is handled by six mail servers: aspmx.l.google.com, 2yuarea7h3ib42f232ehbc4vvqrwowc7kbwtvkj4bcpvfg34js5a.mx-verification.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
red-21.co shares at least partially some mail servers with other domains, for instance ns500759.ns500759.ns500735.ns500698.ns500576.ns500619.ns500686.ns500576.ns500576.ns500652.tracksymphony.com, ns500734.ns500734.ns500734.ns500699.ns500699.ns500699.ns500693.ns500588.ns500588.ns500683.ns500588.ns500588.ns500588.ns500632.dtrkdll.com, ns500759.ns500758.ns500698.ns500698.ns500759.ns500698.ns500698.ns500698.ns500735.ns500708.ns500708.ns500619.ns500698.ns500576.ns500619.ns500576.trackreceptor.com, ns500768.ns500758.ns500759.ns500758.ns500758.ns500698.ns500735.ns500698.ns500576.ns500708.ns500698.ns500698.ns500619.ns500576.trackreceptor.com and ns500754.ns500671.ns500731.ns500671.ns500704.ns500731.ns500705.ns500671.ns500688.ns500671.ns500705.ns500688.ns500649.ns500649.ns500666.ns500142.lusty(0x736c7574)z.com.
These mail servers are often used with aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names with two IP numbers
Each host name points to two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4004:c1b::1a and 142.251.167.26
alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.26
alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.26
alt3.aspmx.l.google.com points to 2607:f8b0:4023:1015::1b and 172.253.135.27
alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27