quadpluseu.com - robtex.com
quadpluseu.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | authns1.qwest.net ⭐ | ||||||
| A | 2001:428::5🇺🇸 AS2092001:428::/32 | ||||||
| PTR | authns1.qwest.net | ||||||
| A | 63.150.72.4🇺🇸 AS20963.144.0.0/12 | ||||||
| PTR | authns1.centurylink.net | ||||||
| PTR | authns1.qwest.net | ||||||
| PTR | authns1.lumen.tech | ||||||
| NS | authns2.qwest.net | ||||||
| A | 2001:428::6🇺🇸 AS2092001:428::/32 | ||||||
| PTR | authns2.qwest.net | ||||||
| A | 208.44.130.120🇺🇸 AS209208.44.0.0/14 | ||||||
| PTR | authns2.centurylink.net | ||||||
| PTR | authns2.qwest.net | ||||||
| PTR | authns2.lumen.tech | ||||||
| MX | mail.quadpluseu.com ⭐ | ||||||
| A | 67.129.226.128🇺🇸 AS20967.128.0.0/13 | ||||||
| PTR | mail.quadplus-eu.com | ||||||
| PTR | mail.quadpluseu.com | ||||||
| SOA | authns1.qwest.netdns-admin@qwestip.net serial=2150915000 | ||||||
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=1774686097 | ||||||
Subdomains
mail.quadpluseu.com |
Same first word
quadpluseu.com |
DNS History
3 records (3 active, 0 former)
●MXmail.quadpluseu.com2015-08-14 → 2026-03-28 · 2 obs
● 2026-03-28 08:38:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net... | - |
| quadpluseu.com | authns1.qwest.net, authns2.qwest.net | - |
✅ Authoritative Response
Server:63.150.72.4
NS records: authns1.qwest.net, authns2.qwest.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for quadpluseu.com (unsigned zone)
⏱️ Timing
Total: 393ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | authns2.qwest.net, authns1.qwest.net |
| MX | 1 | mail.quadpluseu.com (pri: 10) |
| SOA | 1 | authns1.qwest.net dns-admin.qwestip.net |
Analysis
Hierarchy
quadpluseu.com is the parent of mail.quadpluseu.com.
Name Servers
quadpluseu.com's delegation uses two name servers, authns1.qwest.net and authns2.qwest.net.
quadpluseu.com shares the same name server setup as other domains, for example mkwn.centurytel.net, 24.52.71.in-addr.arpa, 189.164.72.in-addr.arpa, 95.0.71.in-addr.arpa and 14.6.184.in-addr.arpa.
quadpluseu.com at least partially shares name servers with other domains, including 1.241.198.in-addr.arpa, wwwcenturylink.net, empolst.com, hendersonexecutiveairport.net and 80.40.64.in-addr.arpa.
These name servers are typically used together with the name servers authns1.centurylink.net, authns2.centurylink.net, dns0.madisonriver.net, dns1.madisonriver.net, dns2.madisonriver.net, dns3.madisonriver.net, authns2.dnvr.qwest.net, authns1.mpls.qwest.net, authns3.sttl.qwest.net and dca-ans-01.inet.qwest.net.
Host names with two IPs:
authns1.qwest.net points to: 2001:428::5 and 63.150.72.4
authns2.qwest.net points to: 2001:428::6 and 208.44.130.120
Mail Servers
quadpluseu.com is handled by a single mail server, mail.quadpluseu.com.
mail.quadpluseu.com points to a single IP: 67.129.226.128.