doesum.it - dns.ninja
doesum.it
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:7b8:618:a:213:154:231:200🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands | ||||||
| PTR | web0100.theory7.net | ||||||
| A | 213.154.231.200🇳🇱 NL-BIT213.154.224.0/19 BIT B.V. | ||||||
| NS | ns.theory7.eu ⭐ | ||||||
| A | 2a01:4f8:1c1e:4918::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 188.245.108.163🇩🇪 Hetzner188.245.0.0/16 HETZNER-DC | ||||||
| PTR | static.163.108.245.188.clients.your-server.de | ||||||
| NS | ns.theory7.net | ||||||
| A | 2001:1af8:4700:a125:22::53🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb | ||||||
| A | 62.212.95.148🇳🇱 LEASEWEB-NL-AMS-0162.212.64.0/19 LEASEWEB | ||||||
| NS | ns.theory7.nl | ||||||
| A | 2001:7b8:618:a:213:154:231:141🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands | ||||||
| PTR | dns.theory7.nl | ||||||
| A | 213.154.231.141🇳🇱 NL-BIT213.154.224.0/19 BIT B.V. | ||||||
| MX | mail.doesum.it ⭐ | ||||||
| A | 2001:7b8:618:a:213:154:231:200🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands | ||||||
| PTR | web0100.theory7.net | ||||||
| A | 213.154.231.200🇳🇱 NL-BIT213.154.224.0/19 BIT B.V. | ||||||
| TXT | v=spf1 a mx ip4:213.154.231.200 include:filter.theory7.net ip6:2001:7b8:618... | ||||||
| SOA | ns.theory7.euhostmaster@doesum.it 2025-08-20 #3 | ||||||
it
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.it ⭐ | ||||||
| NS | a.dns.it | ||||||
| NS | m.dns.it | ||||||
| NS | nameserver.cnr.it | ||||||
| NS | r.dns.it | ||||||
| NS | v.dns.it | ||||||
| SOA | dns.nic.ithostmaster@nic.it 2026-08-05 #23 | ||||||
Subdomains
mail.doesum.it |
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
○NSdns1.vpshosting.nl2015-08-17 → 2017-05-15 · 4 obs
● 2017-05-15 23:53:16
○ 2026-02-21 21:49:34
○ 2026-08-05 21:54:24
○NSdns2.vpshosting.nl2015-08-17 → 2017-05-15 · 4 obs
● 2017-05-15 23:53:16
○ 2026-02-21 21:49:34
○ 2026-08-05 21:54:24
●NSns.theory7.eu2026-02-21 → 2026-08-05 · 3 obs
● 2026-02-21 21:49:34
● 2026-08-05 21:54:24
●NSns.theory7.net2026-02-21 → 2026-08-05 · 3 obs
● 2026-02-21 21:49:34
● 2026-08-05 21:54:24
●NSns.theory7.nl2026-02-21 → 2026-08-05 · 3 obs
● 2026-02-21 21:49:34
● 2026-08-05 21:54:24
●MXmail.doesum.it2015-08-17 → 2026-08-05 · 2 obs
● 2026-08-05 21:54:24
●A2001:7b8:618:a:213:154:231:2002026-02-21 → 2026-08-05 · 3 obs
● 2026-02-21 21:49:34
● 2026-08-05 21:54:24
●A213.154.231.2002026-02-21 → 2026-08-05 · 3 obs
● 2026-02-21 21:49:34
● 2026-08-05 21:54:24
○A91.233.105.2542015-08-17 → 2017-05-15 · 4 obs
● 2017-05-15 23:53:16
○ 2026-02-21 21:49:34
○ 2026-08-05 21:54:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| it | a.dns.it, m.dns.it, dns.nic.it, v.dns.it... | - |
| doesum.it | ns.theory7.net, ns.theory7.nl, ns.theory7.eu | - |
✅ Authoritative Response
Server:188.245.108.163
NS records: ns.theory7.net, ns.theory7.nl, ns.theory7.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for doesum.it (unsigned zone)
⏱️ Timing
Total: 931ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.154.231.200 |
| AAAA | 1 | 2001:7b8:618:a:213:154:231:200 |
| NS | 3 | ns.theory7.eu, ns.theory7.net... |
| MX | 1 | mail.doesum.it (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:213.154.231.200 include |
| SOA | 1 | ns.theory7.eu hostmaster.doesum.it |
Analysis
Hierarchy
mail.doesum.it is delegated beneath doesum.it.
IP Addresses
doesum.it has two IP addresses: 213.154.231.200 and 2001:7b8:618:a:213:154:231:200
Among the host names that share IP numbers with doesum.it are mail.vansteen.eu, mail.pfbvanish.de, groeituin013.nl and two others.
Name Servers
doesum.it is delegated to three name servers: ns.theory7.eu, ns.theory7.net and ns.theory7.nl.
There is at least partial name server overlap between doesum.it and other domains — 20w50.com, meboer.nl, stalen-deur.com and two more among them.
These name servers tend to appear in combination with the name servers ns1.lucky.dedicated.theory7.net, ns2.lucky.dedicated.theory7.net, ns1.criticalhost.nl and ns2.criticalhost.nl.
ns.theory7.eu, ns.theory7.net and ns.theory7.nl each resolve to two IP addresses: ns.theory7.eu resolves to 188.245.108.163 and 2a01:4f8:1c1e:4918::1; ns.theory7.net resolves to 62.212.95.148 and 2001:1af8:4700:a125:22::53; ns.theory7.nl resolves to 213.154.231.141 and 2001:7b8:618:a:213:154:231:141.
Mail Servers
doesum.it routes its mail through a single mail server, mail.doesum.it.
mail.doesum.it carries two IP numbers: 213.154.231.200 and 2001:7b8:618:a:213:154:231:200.