sphericalduck.org - robtex.com
sphericalduck.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1783737174 | ||||||
Subdomains
mail.sphericalduck.org |
Same first word
sphericalduck.org |
DNS History
9 records (5 active, 4 former)
○NSns.heartinternet.co.uk2015-06-21 → 2017-08-23 · 4 obs
● 2017-08-23 03:13:24
○ 2026-07-02 07:27:04
○ 2026-07-11 02:46:44
●NSns.heartinternet.uk2026-07-02 → 2026-07-11 · 3 obs
● 2026-07-02 07:27:04
● 2026-07-11 02:46:44
○NSns2.heartinternet.co.uk2015-06-21 → 2017-08-23 · 4 obs
● 2017-08-23 03:13:24
○ 2026-07-02 07:27:04
○ 2026-07-11 02:46:44
●NSns2.heartinternet.uk2026-07-02 → 2026-07-11 · 3 obs
● 2026-07-02 07:27:04
● 2026-07-11 02:46:44
●MXin1-smtp.messagingengine.com2017-08-23 → 2026-07-11 · 3 obs
● 2017-08-23 03:13:24
● 2026-07-11 02:46:44
●MXin2-smtp.messagingengine.com2017-08-23 → 2026-07-11 · 3 obs
● 2017-08-23 03:13:24
● 2026-07-11 02:46:44
○MXmail.sphericalduck.org2015-06-21 → 2016-09-23 · 4 obs
● 2016-09-23 13:42:36
○ 2017-08-23 03:13:24
○ 2026-07-11 02:46:44
●A5.196.91.862016-09-23 → 2026-07-11 · 3 obs
● 2016-09-23 13:42:36
● 2026-07-11 02:46:44
○A80.252.125.102015-06-21 → 2016-04-06 · 4 obs
● 2016-04-06 16:14:40
○ 2016-09-23 13:42:36
○ 2026-07-11 02:46:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| sphericalduck.org | ns2.heartinternet.uk, ns.heartinternet.uk | - |
✅ Authoritative Response
Server:79.170.40.2
NS records: ns2.heartinternet.uk, ns.heartinternet.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sphericalduck.org (unsigned zone)
⏱️ Timing
Total: 936ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.196.91.86 |
| NS | 2 | ns.heartinternet.uk, ns2.heartinternet.uk |
| MX | 2 | in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20) |
| TXT | 1 | v=spf1 include:spf.messagingengine.com i |
| SOA | 1 | ns.heartinternet.uk hostmaster.mainnames |
Analysis
Hierarchy
mail.sphericalduck.org is delegated beneath sphericalduck.org.
IP Addresses
sphericalduck.org points to a single IP number: 5.196.91.86.
Additional host names — survex.com, git.xapian.org, ns348311.ip-5-196-91.eu and two others — share IP numbers with sphericalduck.org.
Name Servers
sphericalduck.org is served by two delegated name servers, ns2.heartinternet.uk and ns.heartinternet.uk.
sphericalduck.org shares its name server setup with other domains, including southborough.kent.sch.uk, rsgs.org, gay-(0x736578)-uk.com and two others.
The DNS delegation for sphericalduck.org at least partly coincides with that of other domains, karneyonline.com being one example.
These name servers are routinely deployed together with the name servers ns1.heartinternet.uk.
ns2.heartinternet.uk → 79.170.43.3 and ns.heartinternet.uk → 79.170.40.2: one IP number per host name.
Mail Servers
sphericalduck.org has two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.
sphericalduck.org shares the same mail server setup as other domains, including dgwheeler.com, missingallen.com, mitchellcamm.com and two others.
sphericalduck.org and other domains — wifi.works for instance — share at least some mail servers.
Host names with 8 IP numbers:
in1-smtp.messagingengine.com carries IP addresses 103.168.172.216, 103.168.172.217 and 103.168.172.218, with 5 other addresses beyond those.
Host names resolving to four IP addresses:
in2-smtp.messagingengine.com resolves to four IP addresses — 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.