constructivecomputing.com - dns.ninja
constructivecomputing.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 74.208.236.80🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc. | ||||||
| PTR | 74-208-236-80.elastic-ssl.ui-r.com | ||||||
| NS | ns51.1and1.com ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:32:30🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns1030.ui-dns.de | ||||||
| A | 185.132.32.30🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns1030.ui-dns.de | ||||||
| NS | ns52.1and1.com | ||||||
| A | 2607:f1c0:fe:53:185:132:33:29🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns1029.ui-dns.biz | ||||||
| A | 185.132.33.29🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns1029.ui-dns.biz | ||||||
| MX | mx00.1and1.com ⭐ | ||||||
| A | 74.208.114.65🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc. | ||||||
| PTR | mx00.perfora.net | ||||||
| MX | mx01.1and1.com ⭐ | ||||||
| A | 74.208.114.66🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc. | ||||||
| PTR | mx01.perfora.net | ||||||
| TXT | v=spf1 include:dn(0x736578)it.com include:_spf-us.ionos.com ~all | ||||||
| SOA | ns51.1and1.comhostmaster@1and1.com 2017-06-10 #12 | ||||||
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=1791460159 | ||||||
Subdomains
www.constructivecomputing.com |
Same first word
constructivecomputing.com |
Previous names
Next names
DNS History
6 records (5 active, 1 former)
●A74.208.236.802020-01-25 → 2026-10-08 · 3 obs
● 2020-01-25 16:04:10
● 2026-10-08 12:15:42
○A74.208.253.1012015-06-16 → 2017-02-14 · 4 obs
● 2017-02-14 10:12:32
○ 2020-01-25 16:04:10
○ 2026-10-08 12:15:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| constructivecomputing.com | ns51.1and1.com, ns52.1and1.com | 4 records |
✅ Authoritative Response
Server:217.160.80.30
NS records: ns51.1and1.com, ns52.1and1.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for constructivecomputing.com (unsigned zone)
⏱️ Timing
Total: 649ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 74.208.236.80 |
| NS | 2 | ns51.1and1.com, ns52.1and1.com |
| MX | 2 | mx01.1and1.com (pri: 10), mx00.1and1.com (pri: 10) |
| TXT | 1 | v=spf1 include:dn(0x736578)it.com include:_spf- |
| SOA | 1 | ns51.1and1.com hostmaster.1and1.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns51.1and1.com, ns51.1and1.com, ns52.1and1.com...)
Analysis
Hierarchy
www.constructivecomputing.com is a subdomain of constructivecomputing.com.
IP Addresses
constructivecomputing.com directs to one IP number, which is 74.208.236.80.
Among the host names that share IP numbers with constructivecomputing.com are oakandacresllc.com, jewynews.com, grandt.tv and two others.
Name Servers
constructivecomputing.com has two authoritative name servers — ns51.1and1.com and ns52.1and1.com.
constructivecomputing.com has the same name server delegation as a number of other domains, such as shadowmario.com, leoprieto.com, daygig.net and two more.
The name servers of constructivecomputing.com overlap at least partially with those of other domains — among them integrany.com, pc-duo.com, staplesfoundation.org and two more.
These name servers commonly appear in delegations together with ns-us.1and1-dns.com, ns-us.1and1-dns.de, ns-us.1and1-dns.org and 5 other.
Both ns51.1and1.com and ns52.1and1.com have two IP addresses each. ns51.1and1.com resolves to 185.132.32.30 and 2607:f1c0:fe:53:185:132:32:30; ns52.1and1.com resolves to 185.132.33.29 and 2607:f1c0:fe:53:185:132:33:29.
Mail Servers
The MX records for constructivecomputing.com point to two mail servers: mx00.1and1.com and mx01.1and1.com.
constructivecomputing.com has the same mail server arrangement as a number of other domains, for example zissele.com, freshandhealthyliving.com, blowndeadline.net and two more.
constructivecomputing.com shares at least some of its mail servers with other domains — for example backroadbaggage.com, nh4h.org, ny360.org and two more.
Both mx00.1and1.com and mx01.1and1.com have a single IP address each — mx00.1and1.com resolves to 74.208.114.65 while mx01.1and1.com resolves to 74.208.114.66.