celspac.com - dns.ninja
celspac.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 147.251.5.239🇨🇿 CESNET147.251.0.0/16 MUNI-TCZ | ||||||
| NS | ns2.muni.cz ⭐ | ||||||
| A | 2001:718:801:406::10🇨🇿 CESNET2001:718::/32 6-TCZ | ||||||
| PTR | ns2.muni.cz | ||||||
| A | 147.251.6.10🇨🇿 CESNET147.251.0.0/16 MUNI-TCZ | ||||||
| PTR | ns2.muni.cz | ||||||
| PTR | dior.ics.muni.cz | ||||||
| NS | ns.muni.cz | ||||||
| A | 2001:718:801:404::33🇨🇿 CESNET2001:718::/32 6-TCZ | ||||||
| PTR | ns.muni.cz | ||||||
| PTR | ns.ics.muni.cz | ||||||
| A | 147.251.4.33🇨🇿 CESNET147.251.0.0/16 MUNI-TCZ | ||||||
| PTR | ns.muni.cz | ||||||
| PTR | ns.ics.muni.cz | ||||||
| MX | mail.recetox.muni.cz ⭐ | ||||||
| A | 147.251.71.44🇨🇿 CESNET147.251.0.0/16 MUNI-TCZ | ||||||
| PTR | pub-rcx-vmware44.cetoc.muni.cz | ||||||
| SOA | ns.muni.czmoucka@muni.cz 2024-02-29 #4 | ||||||
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=1782384130 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSns.muni.cz2026-02-22 → 2026-06-25 · 3 obs
● 2026-02-22 18:04:28
● 2026-06-25 10:50:02
○NSns.web4u.cz2015-05-27 → 2018-12-16 · 4 obs
● 2018-12-16 05:39:46
○ 2026-02-22 18:04:28
○ 2026-06-25 10:50:02
●NSns2.muni.cz2026-02-22 → 2026-06-25 · 3 obs
● 2026-02-22 18:04:28
● 2026-06-25 10:50:02
○NSns2.web4u.cz2015-05-27 → 2018-12-16 · 4 obs
● 2018-12-16 05:39:46
○ 2026-02-22 18:04:28
○ 2026-06-25 10:50:02
○MXmail.celspac.com2015-05-27 → 2018-12-16 · 4 obs
● 2018-12-16 05:39:46
○ 2026-02-22 18:04:28
○ 2026-06-25 10:50:02
●MXmail.recetox.muni.cz2026-02-22 → 2026-06-25 · 3 obs
● 2026-02-22 18:04:28
● 2026-06-25 10:50:02
●A147.251.5.2392026-02-22 → 2026-06-25 · 3 obs
● 2026-02-22 18:04:28
● 2026-06-25 10:50:02
○A81.91.86.122015-05-27 → 2018-12-16 · 4 obs
● 2018-12-16 05:39:46
○ 2026-02-22 18:04:28
○ 2026-06-25 10:50:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| celspac.com | ns.muni.cz, ns2.muni.cz | - |
✅ Authoritative Response
Server:147.251.4.33
NS records: ns.muni.cz, ns2.muni.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for celspac.com (unsigned zone)
⏱️ Timing
Total: 3844ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 147.251.5.239 |
| NS | 2 | ns.muni.cz, ns2.muni.cz |
| MX | 1 | mail.recetox.muni.cz (pri: 100) |
| SOA | 1 | ns.muni.cz moucka.muni.cz |
Analysis
IP Addresses
celspac.com directs to one IP number, which is 147.251.5.239.
Among the host names that share IP numbers with celspac.com are cerit-sc.cz, telc.muni.cz, c4e.cz and two others.
Name Servers
celspac.com is delegated to two name servers: ns2.muni.cz and ns.muni.cz.
celspac.com has the same name server delegation as a number of other domains, such as fidentis.cz, 178.251.147.in-addr.arpa, 171.251.147.in-addr.arpa and two more.
celspac.com has at least partial name server overlap with other domains, such as elportal.muni.cz, obchod.muni.cz, 80.251.147.in-addr.arpa and two others.
nsa.ces.net, ns.ukb.muni.cz and anxur.fi.muni.cz — plus 7 other name servers — are commonly paired with these name servers.
ns2.muni.cz and ns.muni.cz each resolve to two IP addresses: ns2.muni.cz points to 147.251.6.10 and 2001:718:801:406::10, while ns.muni.cz points to 147.251.4.33 and 2001:718:801:404::33.
Mail Servers
celspac.com routes its mail through a single mail server, mail.recetox.muni.cz.
mail.recetox.muni.cz resolves to a single IP number: 147.251.71.44.